utils.cpp revision 107a05f72e711c92545d0be648ab79c4f858f372
1f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross/* 2f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross * Copyright (C) 2008 The Android Open Source Project 3f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross * 4f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross * Licensed under the Apache License, Version 2.0 (the "License"); 5f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross * you may not use this file except in compliance with the License. 6f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross * You may obtain a copy of the License at 7f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross * 8f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross * http://www.apache.org/licenses/LICENSE-2.0 9f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross * 10f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross * Unless required by applicable law or agreed to in writing, software 11f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross * distributed under the License is distributed on an "AS IS" BASIS, 12f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross * See the License for the specific language governing permissions and 14f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross * limitations under the License. 15f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross */ 16f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 17f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <dirent.h> 18f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <errno.h> 19f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <fcntl.h> 20f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <limits.h> 21f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <poll.h> 22f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <signal.h> 23f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <stdarg.h> 24f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <stdio.h> 25f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <stdlib.h> 2636b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme#include <string> 27f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <string.h> 28f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <sys/inotify.h> 29f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <sys/stat.h> 30a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn#include <sys/sysconf.h> 31f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <sys/time.h> 32f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <sys/wait.h> 33f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <sys/klog.h> 34f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <time.h> 35f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <unistd.h> 3636b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme#include <vector> 37e7b6cf13f94f66ea446c95ab34040b0a577e43dcJohn Michelau#include <sys/prctl.h> 38f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 3971bbfc57974331dce79242ce806d92035fce06baFelipe Leme#define LOG_TAG "dumpstate" 40bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown#include <cutils/debugger.h> 4171bbfc57974331dce79242ce806d92035fce06baFelipe Leme#include <cutils/log.h> 42f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <cutils/properties.h> 43f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <cutils/sockets.h> 44f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <private/android_filesystem_config.h> 45f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 46957983787d7a753d34b582ae0165160f4ebf815cRobert Craig#include <selinux/android.h> 47957983787d7a753d34b582ae0165160f4ebf815cRobert Craig 48f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include "dumpstate.h" 49f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 501dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brownstatic const int64_t NANOS_PER_SEC = 1000000000; 511dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown 52bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown/* list of native processes to include in the native dumps */ 53bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brownstatic const char* native_processes_to_dump[] = { 549609bbd79668dbc3c8c16c773c92637de98bfa70Andy Hung "/system/bin/audioserver", 55f5248da50134b087cbe8b58d2e1d2310537911e3Chien-Yu Chen "/system/bin/cameraserver", 561fc4f80fc38f782f128102795481924a97a2d3c5James Dong "/system/bin/drmserver", 57bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown "/system/bin/mediaserver", 58bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown "/system/bin/sdcard", 59bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown "/system/bin/surfaceflinger", 60d907b32052aca02ad679e6ae786848d328723080keunyoung "/system/bin/vehicle_network_service", 61bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown NULL, 62bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown}; 63bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown 64608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe LemeDurationReporter::DurationReporter(const char *title) : DurationReporter(title, stdout) {} 65608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme 66608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe LemeDurationReporter::DurationReporter(const char *title, FILE *out) { 6778f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme title_ = title; 6878f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme if (title) { 6978f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme started_ = DurationReporter::nanotime(); 7078f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme } 71608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme out_ = out; 7278f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme} 7378f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme 7478f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe LemeDurationReporter::~DurationReporter() { 7578f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme if (title_) { 7678f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme uint64_t elapsed = DurationReporter::nanotime() - started_; 7778f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme // Use "Yoda grammar" to make it easier to grep|sort sections. 78608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme if (out_) { 79608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme fprintf(out_, "------ %.3fs was the duration of '%s' ------\n", 80608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme (float) elapsed / NANOS_PER_SEC, title_); 81608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme } else { 82cbce55d4fdbdd2e5a5515054c48d2116c5db2712Felipe Leme MYLOGD("Duration of '%s': %.3fs\n", title_, (float) elapsed / NANOS_PER_SEC); 83608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme } 8478f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme } 8578f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme} 8678f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme 8778f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Lemeuint64_t DurationReporter::DurationReporter::nanotime() { 8854bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris struct timespec ts; 8954bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris clock_gettime(CLOCK_MONOTONIC, &ts); 9078f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme return (uint64_t) ts.tv_sec * NANOS_PER_SEC + ts.tv_nsec; 9154bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris} 9254bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris 935ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlockvoid for_each_userid(void (*func)(int), const char *header) { 9493d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(); 955ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock DIR *d; 965ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock struct dirent *de; 975ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock 985ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock if (header) printf("\n------ %s ------\n", header); 995ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock func(0); 1005ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock 1015ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock if (!(d = opendir("/data/system/users"))) { 1025ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock printf("Failed to open /data/system/users (%s)\n", strerror(errno)); 1035ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock return; 1045ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock } 1055ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock 1065ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock while ((de = readdir(d))) { 1075ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock int userid; 1085ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock if (de->d_type != DT_DIR || !(userid = atoi(de->d_name))) { 1095ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock continue; 1105ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock } 1115ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock func(userid); 1125ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock } 1135ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock 1145ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock closedir(d); 1155ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock} 1165ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock 1170c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Crossstatic void __for_each_pid(void (*helper)(int, const char *, void *), const char *header, void *arg) { 118f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross DIR *d; 119f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross struct dirent *de; 120f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 121f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (!(d = opendir("/proc"))) { 122f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("Failed to open /proc (%s)\n", strerror(errno)); 123f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 124f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 125f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 126635ca31754ae734b0c540ac5600d58ae55cd4237Felipe Leme if (header) printf("\n------ %s ------\n", header); 127f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross while ((de = readdir(d))) { 128f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int pid; 129f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int fd; 130f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char cmdpath[255]; 131f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char cmdline[255]; 132f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 133f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (!(pid = atoi(de->d_name))) { 134f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross continue; 135f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 136f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 137f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross memset(cmdline, 0, sizeof(cmdline)); 138a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 139a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn snprintf(cmdpath, sizeof(cmdpath), "/proc/%d/cmdline", pid); 140a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if ((fd = TEMP_FAILURE_RETRY(open(cmdpath, O_RDONLY | O_CLOEXEC))) >= 0) { 141a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn TEMP_FAILURE_RETRY(read(fd, cmdline, sizeof(cmdline) - 2)); 142a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn close(fd); 143a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if (cmdline[0]) { 144a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn helper(pid, cmdline, arg); 145a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn continue; 146a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 147a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 148a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 149a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn // if no cmdline, a kernel thread has comm 150a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn snprintf(cmdpath, sizeof(cmdpath), "/proc/%d/comm", pid); 151a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if ((fd = TEMP_FAILURE_RETRY(open(cmdpath, O_RDONLY | O_CLOEXEC))) >= 0) { 152a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn TEMP_FAILURE_RETRY(read(fd, cmdline + 1, sizeof(cmdline) - 4)); 153f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross close(fd); 154a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if (cmdline[1]) { 155a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn cmdline[0] = '['; 156a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn size_t len = strcspn(cmdline, "\f\b\r\n"); 157a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn cmdline[len] = ']'; 158a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn cmdline[len+1] = '\0'; 159a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 160a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 161a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if (!cmdline[0]) { 162a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn strcpy(cmdline, "N/A"); 163f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 1640c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross helper(pid, cmdline, arg); 165f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 166f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 167f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross closedir(d); 168f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 169f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 1700c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Crossstatic void for_each_pid_helper(int pid, const char *cmdline, void *arg) { 1718620bb4118a68721d10c29529dc6978847d08d00Felipe Leme for_each_pid_func *func = (for_each_pid_func*) arg; 1720c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross func(pid, cmdline); 1730c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross} 1740c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1750c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Crossvoid for_each_pid(for_each_pid_func func, const char *header) { 17693d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(); 1778620bb4118a68721d10c29529dc6978847d08d00Felipe Leme __for_each_pid(for_each_pid_helper, header, (void *)func); 1780c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross} 1790c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1800c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Crossstatic void for_each_tid_helper(int pid, const char *cmdline, void *arg) { 1810c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross DIR *d; 1820c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross struct dirent *de; 1830c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross char taskpath[255]; 1848620bb4118a68721d10c29529dc6978847d08d00Felipe Leme for_each_tid_func *func = (for_each_tid_func *) arg; 1850c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1860c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross sprintf(taskpath, "/proc/%d/task", pid); 1870c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1880c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross if (!(d = opendir(taskpath))) { 1890c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross printf("Failed to open %s (%s)\n", taskpath, strerror(errno)); 1900c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross return; 1910c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross } 1920c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1930c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross func(pid, pid, cmdline); 1940c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1950c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross while ((de = readdir(d))) { 1960c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross int tid; 1970c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross int fd; 1980c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross char commpath[255]; 1990c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross char comm[255]; 2000c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 2010c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross if (!(tid = atoi(de->d_name))) { 2020c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross continue; 2030c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross } 2040c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 2050c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross if (tid == pid) 2060c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross continue; 2070c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 2080c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross sprintf(commpath,"/proc/%d/comm", tid); 2091493a3974a725d6873f317b774be333ca035a64cColin Cross memset(comm, 0, sizeof(comm)); 210cd67e9f059e270017d5defd8784c89dd8e6bcde7Nick Kralevich if ((fd = TEMP_FAILURE_RETRY(open(commpath, O_RDONLY | O_CLOEXEC))) < 0) { 2110c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross strcpy(comm, "N/A"); 2120c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross } else { 2130c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross char *c; 214a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn TEMP_FAILURE_RETRY(read(fd, comm, sizeof(comm) - 2)); 2150c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross close(fd); 2160c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 2170c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross c = strrchr(comm, '\n'); 2180c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross if (c) { 2190c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross *c = '\0'; 2200c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross } 2210c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross } 2220c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross func(pid, tid, comm); 2230c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross } 2240c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 2250c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross closedir(d); 2260c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross} 2270c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 2280c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Crossvoid for_each_tid(for_each_tid_func func, const char *header) { 22993d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(); 2308620bb4118a68721d10c29529dc6978847d08d00Felipe Leme __for_each_pid(for_each_tid_helper, header, (void *) func); 2310c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross} 2320c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 2330c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Crossvoid show_wchan(int pid, int tid, const char *name) { 23493d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(); 235f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char path[255]; 236f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char buffer[255]; 237a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn int fd, ret, save_errno; 2380c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross char name_buffer[255]; 239f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 240f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross memset(buffer, 0, sizeof(buffer)); 241f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 2420c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross sprintf(path, "/proc/%d/wchan", tid); 243cd67e9f059e270017d5defd8784c89dd8e6bcde7Nick Kralevich if ((fd = TEMP_FAILURE_RETRY(open(path, O_RDONLY | O_CLOEXEC))) < 0) { 244f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("Failed to open '%s' (%s)\n", path, strerror(errno)); 245f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 246f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 247f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 248a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn ret = TEMP_FAILURE_RETRY(read(fd, buffer, sizeof(buffer))); 249a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn save_errno = errno; 250a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn close(fd); 251a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 252a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if (ret < 0) { 253a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn printf("Failed to read '%s' (%s)\n", path, strerror(save_errno)); 254a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn return; 255f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 256f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 2570c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross snprintf(name_buffer, sizeof(name_buffer), "%*s%s", 2580c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross pid == tid ? 0 : 3, "", name); 2590c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 2600c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross printf("%-7d %-32s %s\n", tid, name_buffer, buffer); 261f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 262a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn return; 263a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn} 264a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 265a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn// print time in centiseconds 266a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzynstatic void snprcent(char *buffer, size_t len, size_t spc, 267a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn unsigned long long time) { 268a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn static long hz; // cache discovered hz 269a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 270a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if (hz <= 0) { 271a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn hz = sysconf(_SC_CLK_TCK); 272a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if (hz <= 0) { 273a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn hz = 1000; 274a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 275a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 276a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 277a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn // convert to centiseconds 278a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn time = (time * 100 + (hz / 2)) / hz; 279a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 280a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn char str[16]; 281a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 282a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn snprintf(str, sizeof(str), " %llu.%02u", 283a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn time / 100, (unsigned)(time % 100)); 284a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn size_t offset = strlen(buffer); 285a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn snprintf(buffer + offset, (len > offset) ? len - offset : 0, 286a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn "%*s", (spc > offset) ? (int)(spc - offset) : 0, str); 287a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn} 288a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 289a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn// print permille as a percent 290a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzynstatic void snprdec(char *buffer, size_t len, size_t spc, unsigned permille) { 291a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn char str[16]; 292a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 293a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn snprintf(str, sizeof(str), " %u.%u%%", permille / 10, permille % 10); 294a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn size_t offset = strlen(buffer); 295a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn snprintf(buffer + offset, (len > offset) ? len - offset : 0, 296a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn "%*s", (spc > offset) ? (int)(spc - offset) : 0, str); 297a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn} 298a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 299a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzynvoid show_showtime(int pid, const char *name) { 300a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn ON_DRY_RUN_RETURN(); 301a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn char path[255]; 302a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn char buffer[1023]; 303a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn int fd, ret, save_errno; 304a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 305a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn memset(buffer, 0, sizeof(buffer)); 306a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 307a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn sprintf(path, "/proc/%d/stat", pid); 308a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if ((fd = TEMP_FAILURE_RETRY(open(path, O_RDONLY | O_CLOEXEC))) < 0) { 309a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn printf("Failed to open '%s' (%s)\n", path, strerror(errno)); 310a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn return; 311a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 312a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 313a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn ret = TEMP_FAILURE_RETRY(read(fd, buffer, sizeof(buffer))); 314a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn save_errno = errno; 315f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross close(fd); 316a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 317a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if (ret < 0) { 318a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn printf("Failed to read '%s' (%s)\n", path, strerror(save_errno)); 319a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn return; 320a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 321a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 322a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn // field 14 is utime 323a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn // field 15 is stime 324a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn // field 42 is iotime 325a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn unsigned long long utime = 0, stime = 0, iotime = 0; 326a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if (sscanf(buffer, 32760292e5c8324475c5afbd0a6703b6b3ae2c94b1aXia Yang "%*u %*s %*s %*d %*d %*d %*d %*d %*d %*d %*d " 32860292e5c8324475c5afbd0a6703b6b3ae2c94b1aXia Yang "%*d %*d %llu %llu %*d %*d %*d %*d %*d %*d " 32960292e5c8324475c5afbd0a6703b6b3ae2c94b1aXia Yang "%*d %*d %*d %*d %*d %*d %*d %*d %*d %*d " 33060292e5c8324475c5afbd0a6703b6b3ae2c94b1aXia Yang "%*d %*d %*d %*d %*d %*d %*d %*d %*d %llu ", 331a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn &utime, &stime, &iotime) != 3) { 332a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn return; 333a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 334a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 335a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn unsigned long long total = utime + stime; 336a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if (!total) { 337a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn return; 338a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 339a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 340a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn unsigned permille = (iotime * 1000 + (total / 2)) / total; 341a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if (permille > 1000) { 342a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn permille = 1000; 343a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 344a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 345a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn // try to beautify and stabilize columns at <80 characters 346a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn snprintf(buffer, sizeof(buffer), "%-6d%s", pid, name); 347a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if ((name[0] != '[') || utime) { 348a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn snprcent(buffer, sizeof(buffer), 57, utime); 349a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 350a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn snprcent(buffer, sizeof(buffer), 65, stime); 351a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if ((name[0] != '[') || iotime) { 352a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn snprcent(buffer, sizeof(buffer), 73, iotime); 353a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 354a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if (iotime) { 355a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn snprdec(buffer, sizeof(buffer), 79, permille); 356a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 357a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn puts(buffer); // adds a trailing newline 358a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 359f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 360f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 361f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 362f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossvoid do_dmesg() { 36378f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme const char *title = "KERNEL LOG (dmesg)"; 36478f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme DurationReporter duration_reporter(title); 36578f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme printf("------ %s ------\n", title); 36678f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme 36793d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(); 3685f87b31d8076dff08b2363961b07fc052364fe95Elliott Hughes /* Get size of kernel buffer */ 3695f87b31d8076dff08b2363961b07fc052364fe95Elliott Hughes int size = klogctl(KLOG_SIZE_BUFFER, NULL, 0); 370f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (size <= 0) { 371f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("Unexpected klogctl return value: %d\n\n", size); 372f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 373f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 374f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char *buf = (char *) malloc(size + 1); 375f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (buf == NULL) { 376f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("memory allocation failed\n\n"); 377f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 378f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 379f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int retval = klogctl(KLOG_READ_ALL, buf, size); 380f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (retval < 0) { 381f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("klogctl failure\n\n"); 382f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross free(buf); 383f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 384f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 385f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross buf[retval] = '\0'; 386f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("%s\n\n", buf); 387f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross free(buf); 388f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 389f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 390f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 391f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossvoid do_showmap(int pid, const char *name) { 392f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char title[255]; 393f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char arg[255]; 394f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 395f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross sprintf(title, "SHOW MAP %d (%s)", pid, name); 396f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross sprintf(arg, "%d", pid); 397f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross run_command(title, 10, SU_PATH, "root", "showmap", arg, NULL); 398f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 399f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 40054bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferrisstatic int _dump_file_from_fd(const char *title, const char *path, int fd) { 401f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (title) { 402ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris printf("------ %s (%s", title, path); 403ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris 404f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross struct stat st; 405ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris // Only show the modification time of non-device files. 406ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris size_t path_len = strlen(path); 407ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris if ((path_len < 6 || memcmp(path, "/proc/", 6)) && 408ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris (path_len < 5 || memcmp(path, "/sys/", 5)) && 409ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris (path_len < 3 || memcmp(path, "/d/", 3)) && 410ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris !fstat(fd, &st)) { 411f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char stamp[80]; 412f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross time_t mtime = st.st_mtime; 413f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross strftime(stamp, sizeof(stamp), "%Y-%m-%d %H:%M:%S", localtime(&mtime)); 414f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf(": %s", stamp); 415f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 416f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf(") ------\n"); 417f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 41871bbfc57974331dce79242ce806d92035fce06baFelipe Leme ON_DRY_RUN({ update_progress(WEIGHT_FILE); close(fd); return 0; }); 419f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 42054bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris bool newline = false; 42154bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris fd_set read_set; 42254bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris struct timeval tm; 42354bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris while (1) { 42454bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris FD_ZERO(&read_set); 42554bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris FD_SET(fd, &read_set); 42654bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris /* Timeout if no data is read for 30 seconds. */ 42754bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris tm.tv_sec = 30; 42854bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris tm.tv_usec = 0; 42978f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme uint64_t elapsed = DurationReporter::nanotime(); 43054bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris int ret = TEMP_FAILURE_RETRY(select(fd + 1, &read_set, NULL, NULL, &tm)); 43154bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris if (ret == -1) { 43254bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris printf("*** %s: select failed: %s\n", path, strerror(errno)); 43354bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris newline = true; 43454bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris break; 43554bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris } else if (ret == 0) { 43678f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme elapsed = DurationReporter::nanotime() - elapsed; 43754bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris printf("*** %s: Timed out after %.3fs\n", path, 43854bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris (float) elapsed / NANOS_PER_SEC); 43954bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris newline = true; 44054bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris break; 44154bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris } else { 44254bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris char buffer[65536]; 44354bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris ssize_t bytes_read = TEMP_FAILURE_RETRY(read(fd, buffer, sizeof(buffer))); 44454bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris if (bytes_read > 0) { 44554bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris fwrite(buffer, bytes_read, 1, stdout); 44654bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris newline = (buffer[bytes_read-1] == '\n'); 44754bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris } else { 44854bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris if (bytes_read == -1) { 44954bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris printf("*** %s: Failed to read from fd: %s", path, strerror(errno)); 45054bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris newline = true; 45154bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris } 45254bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris break; 45354bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris } 454f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 455f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 45671bbfc57974331dce79242ce806d92035fce06baFelipe Leme update_progress(WEIGHT_FILE); 457997abb668b9248c2174c6cf169a0b7c6a02fd2cbElliott Hughes close(fd); 4587dc7f3221f26b771c266a26ec785eb74287922f1Christopher Ferris 459f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (!newline) printf("\n"); 460f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (title) printf("\n"); 461f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return 0; 462f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 463f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 46454bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris/* prints the contents of a file */ 46554bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferrisint dump_file(const char *title, const char *path) { 46678f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme DurationReporter duration_reporter(title); 46754bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris int fd = TEMP_FAILURE_RETRY(open(path, O_RDONLY | O_NONBLOCK | O_CLOEXEC)); 46854bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris if (fd < 0) { 46954bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris int err = errno; 47054bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris printf("*** %s: %s\n", path, strerror(err)); 47154bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris if (title) printf("\n"); 47254bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris return -1; 47354bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris } 47454bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris return _dump_file_from_fd(title, path, fd); 47554bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris} 47654bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris 477326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn/* calls skip to gate calling dump_from_fd recursively 478326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn * in the specified directory. dump_from_fd defaults to 479326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn * dump_file_from_fd above when set to NULL. skip defaults 480326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn * to false when set to NULL. dump_from_fd will always be 481326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn * called with title NULL. 482326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn */ 483326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzynint dump_files(const char *title, const char *dir, 484326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn bool (*skip)(const char *path), 485326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn int (*dump_from_fd)(const char *title, const char *path, int fd)) { 48678f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme DurationReporter duration_reporter(title); 487326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn DIR *dirp; 488326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn struct dirent *d; 489326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn char *newpath = NULL; 4908620bb4118a68721d10c29529dc6978847d08d00Felipe Leme const char *slash = "/"; 491326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn int fd, retval = 0; 492326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn 493326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (title) { 494326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn printf("------ %s (%s) ------\n", title, dir); 495326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 49693d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(0); 497326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn 498326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (dir[strlen(dir) - 1] == '/') { 499326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn ++slash; 500326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 501326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn dirp = opendir(dir); 502326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (dirp == NULL) { 503326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn retval = -errno; 504107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("%s: %s\n", dir, strerror(errno)); 505326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn return retval; 506326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 507326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn 508326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (!dump_from_fd) { 509326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn dump_from_fd = dump_file_from_fd; 510326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 511326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn for (; ((d = readdir(dirp))); free(newpath), newpath = NULL) { 512326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if ((d->d_name[0] == '.') 513326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn && (((d->d_name[1] == '.') && (d->d_name[2] == '\0')) 514326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn || (d->d_name[1] == '\0'))) { 515326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn continue; 516326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 517326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn asprintf(&newpath, "%s%s%s%s", dir, slash, d->d_name, 518326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn (d->d_type == DT_DIR) ? "/" : ""); 519326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (!newpath) { 520326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn retval = -errno; 521326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn continue; 522326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 523326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (skip && (*skip)(newpath)) { 524326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn continue; 525326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 526326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (d->d_type == DT_DIR) { 527326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn int ret = dump_files(NULL, newpath, skip, dump_from_fd); 528326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (ret < 0) { 529326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn retval = ret; 530326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 531326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn continue; 532326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 533326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn fd = TEMP_FAILURE_RETRY(open(newpath, O_RDONLY | O_NONBLOCK | O_CLOEXEC)); 534326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (fd < 0) { 535326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn retval = fd; 536326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn printf("*** %s: %s\n", newpath, strerror(errno)); 537326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn continue; 538326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 539326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn (*dump_from_fd)(NULL, newpath, fd); 540326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 541326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn closedir(dirp); 542326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (title) { 543326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn printf("\n"); 544326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 545326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn return retval; 546326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn} 547326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn 54854bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris/* fd must have been opened with the flag O_NONBLOCK. With this flag set, 54954bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris * it's possible to avoid issues where opening the file itself can get 55054bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris * stuck. 55154bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris */ 55254bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferrisint dump_file_from_fd(const char *title, const char *path, int fd) { 55354bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris int flags = fcntl(fd, F_GETFL); 55454bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris if (flags == -1) { 55554bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris printf("*** %s: failed to get flags on fd %d: %s\n", path, fd, strerror(errno)); 556ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris close(fd); 55754bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris return -1; 55854bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris } else if (!(flags & O_NONBLOCK)) { 55954bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris printf("*** %s: fd must have O_NONBLOCK set.\n", path); 560ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris close(fd); 56154bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris return -1; 56254bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris } 56354bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris return _dump_file_from_fd(title, path, fd); 5641dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown} 5651dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown 5661a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferrisbool waitpid_with_timeout(pid_t pid, int timeout_seconds, int* status) { 5671a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris sigset_t child_mask, old_mask; 5681a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris sigemptyset(&child_mask); 5691a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris sigaddset(&child_mask, SIGCHLD); 5701a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris 5711a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (sigprocmask(SIG_BLOCK, &child_mask, &old_mask) == -1) { 5721a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris printf("*** sigprocmask failed: %s\n", strerror(errno)); 5731a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris return false; 5741a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 5751a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris 5761a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris struct timespec ts; 5771a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris ts.tv_sec = timeout_seconds; 5781a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris ts.tv_nsec = 0; 5791a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris int ret = TEMP_FAILURE_RETRY(sigtimedwait(&child_mask, NULL, &ts)); 5801a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris int saved_errno = errno; 5811a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris // Set the signals back the way they were. 5821a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (sigprocmask(SIG_SETMASK, &old_mask, NULL) == -1) { 5831a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris printf("*** sigprocmask failed: %s\n", strerror(errno)); 5841a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (ret == 0) { 5851a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris return false; 5861a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 5871a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 5881a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (ret == -1) { 5891a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris errno = saved_errno; 5901a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (errno == EAGAIN) { 5911a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris errno = ETIMEDOUT; 5921a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } else { 5931a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris printf("*** sigtimedwait failed: %s\n", strerror(errno)); 5941a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 5951a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris return false; 5961a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 5971a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris 5981a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris pid_t child_pid = waitpid(pid, status, WNOHANG); 5991a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (child_pid != pid) { 6001a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (child_pid != -1) { 6011a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris printf("*** Waiting for pid %d, got pid %d instead\n", pid, child_pid); 6021a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } else { 6031a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris printf("*** waitpid failed: %s\n", strerror(errno)); 6041a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 6051a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris return false; 6061a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 6071a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris return true; 6081a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris} 6091a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris 610f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossint run_command(const char *title, int timeout_seconds, const char *command, ...) { 61178f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme DurationReporter duration_reporter(title); 612f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fflush(stdout); 61393d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme 61493d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme const char *args[1024] = {command}; 61593d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme size_t arg; 61693d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme va_list ap; 61793d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme va_start(ap, command); 61893d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme if (title) printf("------ %s (%s", title, command); 61993d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme for (arg = 1; arg < sizeof(args) / sizeof(args[0]); ++arg) { 62093d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme args[arg] = va_arg(ap, const char *); 62193d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme if (args[arg] == NULL) break; 62293d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme if (title) printf(" %s", args[arg]); 62393d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme } 62493d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme if (title) printf(") ------\n"); 62593d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme fflush(stdout); 62693d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme 62771bbfc57974331dce79242ce806d92035fce06baFelipe Leme ON_DRY_RUN({ update_progress(timeout_seconds); va_end(ap); return 0; }); 62893d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme 62971bbfc57974331dce79242ce806d92035fce06baFelipe Leme int status = run_command_always(title, timeout_seconds, args); 63071bbfc57974331dce79242ce806d92035fce06baFelipe Leme va_end(ap); 63171bbfc57974331dce79242ce806d92035fce06baFelipe Leme return status; 63293d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme} 63393d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme 63493d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme/* forks a command and waits for it to finish */ 63593d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Lemeint run_command_always(const char *title, int timeout_seconds, const char *args[]) { 63671bbfc57974331dce79242ce806d92035fce06baFelipe Leme /* TODO: for now we're simplifying the progress calculation by using the timeout as the weight. 63771bbfc57974331dce79242ce806d92035fce06baFelipe Leme * It's a good approximation for most cases, except when calling dumpsys, where its weight 63871bbfc57974331dce79242ce806d92035fce06baFelipe Leme * should be much higher proportionally to its timeout. */ 63971bbfc57974331dce79242ce806d92035fce06baFelipe Leme int weight = timeout_seconds; 64093d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme 64136b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme const char *command = args[0]; 64278f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme uint64_t start = DurationReporter::nanotime(); 643f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross pid_t pid = fork(); 644f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 645f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* handle error case */ 646f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (pid < 0) { 647f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("*** fork: %s\n", strerror(errno)); 648f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return pid; 649f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 650f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 651f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* handle child case */ 652f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (pid == 0) { 653f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 654e7b6cf13f94f66ea446c95ab34040b0a577e43dcJohn Michelau /* make sure the child dies when dumpstate dies */ 655e7b6cf13f94f66ea446c95ab34040b0a577e43dcJohn Michelau prctl(PR_SET_PDEATHSIG, SIGKILL); 656e7b6cf13f94f66ea446c95ab34040b0a577e43dcJohn Michelau 6572e671bbdb741c2926b6df7b240fdc31c7361f330Andres Morales /* just ignore SIGPIPE, will go down with parent's */ 6582e671bbdb741c2926b6df7b240fdc31c7361f330Andres Morales struct sigaction sigact; 6592e671bbdb741c2926b6df7b240fdc31c7361f330Andres Morales memset(&sigact, 0, sizeof(sigact)); 6602e671bbdb741c2926b6df7b240fdc31c7361f330Andres Morales sigact.sa_handler = SIG_IGN; 6612e671bbdb741c2926b6df7b240fdc31c7361f330Andres Morales sigaction(SIGPIPE, &sigact, NULL); 6622e671bbdb741c2926b6df7b240fdc31c7361f330Andres Morales 663f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross execvp(command, (char**) args); 664f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("*** exec(%s): %s\n", command, strerror(errno)); 665f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fflush(stdout); 666f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross _exit(-1); 667f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 668f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 669f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* handle parent case */ 6701a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris int status; 6711a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris bool ret = waitpid_with_timeout(pid, timeout_seconds, &status); 67278f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme uint64_t elapsed = DurationReporter::nanotime() - start; 6731a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (!ret) { 6741a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (errno == ETIMEDOUT) { 6751a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris printf("*** %s: Timed out after %.3fs (killing pid %d)\n", command, 6761a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris (float) elapsed / NANOS_PER_SEC, pid); 6771a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } else { 6781a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris printf("*** %s: Error after %.4fs (killing pid %d)\n", command, 6791a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris (float) elapsed / NANOS_PER_SEC, pid); 680f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 6811a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris kill(pid, SIGTERM); 6821a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (!waitpid_with_timeout(pid, 5, NULL)) { 6831a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris kill(pid, SIGKILL); 6841a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (!waitpid_with_timeout(pid, 5, NULL)) { 6851a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris printf("*** %s: Cannot kill %d even with SIGKILL.\n", command, pid); 6861a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 687f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 6881a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris return -1; 6891a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 690f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 6911a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (WIFSIGNALED(status)) { 6921a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris printf("*** %s: Killed by signal %d\n", command, WTERMSIG(status)); 6931a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } else if (WIFEXITED(status) && WEXITSTATUS(status) > 0) { 6941a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris printf("*** %s: Exit code %d\n", command, WEXITSTATUS(status)); 695f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 6961a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris 69771bbfc57974331dce79242ce806d92035fce06baFelipe Leme if (weight > 0) { 69871bbfc57974331dce79242ce806d92035fce06baFelipe Leme update_progress(weight); 69971bbfc57974331dce79242ce806d92035fce06baFelipe Leme } 7001a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris return status; 701f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 702f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 70336b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Lemevoid send_broadcast(const std::string& action, const std::vector<std::string>& args) { 70436b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme if (args.size() > 1000) { 705107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("send_broadcast: too many arguments (%d)\n", (int) args.size()); 70636b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme return; 70736b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme } 708d5e724a4d3f77024d311b1b4e01846e41fdbe98bFelipe Leme const char *am_args[1024] = { SU_PATH, "shell", "/system/bin/am", "broadcast", 709edb0b0c309dd1a48d127f691e6d9b29392d1af44Felipe Leme "--user", "0", "-a", action.c_str() }; 710d5e724a4d3f77024d311b1b4e01846e41fdbe98bFelipe Leme size_t am_index = 7; // Starts at the index of last initial value above. 71136b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme for (const std::string& arg : args) { 71236b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme am_args[++am_index] = arg.c_str(); 71336b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme } 71436b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme // Always terminate with NULL. 71536b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme am_args[am_index + 1] = NULL; 71688c7933df551f6dadd8cc931d104b01d6d1609e4Felipe Leme log_args("send_broadcast arguments", am_index, am_args); 71736b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme run_command_always(NULL, 5, am_args); 71836b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme} 71936b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme 720f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crosssize_t num_props = 0; 721f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossstatic char* props[2000]; 722f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 723f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossstatic void print_prop(const char *key, const char *name, void *user) { 724f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross (void) user; 725f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (num_props < sizeof(props) / sizeof(props[0])) { 726f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char buf[PROPERTY_KEY_MAX + PROPERTY_VALUE_MAX + 10]; 727f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross snprintf(buf, sizeof(buf), "[%s]: [%s]\n", key, name); 728f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross props[num_props++] = strdup(buf); 729f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 730f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 731f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 732f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossstatic int compare_prop(const void *a, const void *b) { 733f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return strcmp(*(char * const *) a, *(char * const *) b); 734f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 735f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 736f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross/* prints all the system properties */ 737f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossvoid print_properties() { 73878f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme const char* title = "SYSTEM PROPERTIES"; 73978f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme DurationReporter duration_reporter(title); 74078f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme printf("------ %s ------\n", title); 74193d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(); 742f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross size_t i; 743f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross num_props = 0; 744f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross property_list(print_prop, NULL); 745f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross qsort(&props, num_props, sizeof(props[0]), compare_prop); 746f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 747f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross for (i = 0; i < num_props; ++i) { 748f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fputs(props[i], stdout); 749f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross free(props[i]); 750f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 751f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("\n"); 752f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 753f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 754f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross/* redirect output to a service control socket */ 755f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossvoid redirect_to_socket(FILE *redirect, const char *service) { 756f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int s = android_get_control_socket(service); 757f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (s < 0) { 758107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("android_get_control_socket(%s): %s\n", service, strerror(errno)); 759f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross exit(1); 760f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 761cd67e9f059e270017d5defd8784c89dd8e6bcde7Nick Kralevich fcntl(s, F_SETFD, FD_CLOEXEC); 762f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (listen(s, 4) < 0) { 763107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("listen(control socket): %s\n", strerror(errno)); 764f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross exit(1); 765f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 766f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 767f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross struct sockaddr addr; 768f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross socklen_t alen = sizeof(addr); 769f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int fd = accept(s, &addr, &alen); 770f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (fd < 0) { 771107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("accept(control socket): %s\n", strerror(errno)); 772f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross exit(1); 773f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 774f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 775f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fflush(redirect); 776f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross dup2(fd, fileno(redirect)); 777f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross close(fd); 778f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 779f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 780111b9d06cc0fc72438782c9234f28675e5077ef4Felipe Lemevoid create_parent_dirs(const char *path) { 781fdf52d3697aa0396bd9d8883892937b99a6772a0Srinath Sridharan char *chp = const_cast<char *> (path); 782f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 783f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* skip initial slash */ 784f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (chp[0] == '/') 785f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross chp++; 786f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 787f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* create leading directories, if necessary */ 788111b9d06cc0fc72438782c9234f28675e5077ef4Felipe Leme struct stat dir_stat; 789f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross while (chp && chp[0]) { 790f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross chp = strchr(chp, '/'); 791f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (chp) { 792f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross *chp = 0; 793111b9d06cc0fc72438782c9234f28675e5077ef4Felipe Leme if (stat(path, &dir_stat) == -1 || !S_ISDIR(dir_stat.st_mode)) { 794cbce55d4fdbdd2e5a5515054c48d2116c5db2712Felipe Leme MYLOGI("Creating directory %s\n", path); 795111b9d06cc0fc72438782c9234f28675e5077ef4Felipe Leme if (mkdir(path, 0770)) { /* drwxrwx--- */ 796cbce55d4fdbdd2e5a5515054c48d2116c5db2712Felipe Leme MYLOGE("Unable to create directory %s: %s\n", path, strerror(errno)); 797111b9d06cc0fc72438782c9234f28675e5077ef4Felipe Leme } else if (chown(path, AID_SHELL, AID_SHELL)) { 798cbce55d4fdbdd2e5a5515054c48d2116c5db2712Felipe Leme MYLOGE("Unable to change ownership of dir %s: %s\n", path, strerror(errno)); 799111b9d06cc0fc72438782c9234f28675e5077ef4Felipe Leme } 800111b9d06cc0fc72438782c9234f28675e5077ef4Felipe Leme } 801f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross *chp++ = '/'; 802f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 803f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 804111b9d06cc0fc72438782c9234f28675e5077ef4Felipe Leme} 805111b9d06cc0fc72438782c9234f28675e5077ef4Felipe Leme 806111b9d06cc0fc72438782c9234f28675e5077ef4Felipe Leme/* redirect output to a file */ 807111b9d06cc0fc72438782c9234f28675e5077ef4Felipe Lemevoid redirect_to_file(FILE *redirect, char *path) { 808111b9d06cc0fc72438782c9234f28675e5077ef4Felipe Leme create_parent_dirs(path); 809f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 810608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme int fd = TEMP_FAILURE_RETRY(open(path, O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC | O_NOFOLLOW, 811ff4a4dc7e6e3ead12020b4dc17548d767a419ddeChristopher Ferris S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)); 812f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (fd < 0) { 813107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("%s: %s\n", path, strerror(errno)); 814f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross exit(1); 815f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 816f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 817ff4a4dc7e6e3ead12020b4dc17548d767a419ddeChristopher Ferris TEMP_FAILURE_RETRY(dup2(fd, fileno(redirect))); 818f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross close(fd); 819f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 820f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 821bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brownstatic bool should_dump_native_traces(const char* path) { 822bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown for (const char** p = native_processes_to_dump; *p; p++) { 823bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown if (!strcmp(*p, path)) { 824bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown return true; 825bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 826bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 827bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown return false; 828bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown} 829bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown 830bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown/* dump Dalvik and native stack traces, return the trace file location (NULL if none) */ 831bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brownconst char *dump_traces() { 832608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme DurationReporter duration_reporter("DUMP TRACES", NULL); 83393d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(NULL); 834bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown const char* result = NULL; 835bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown 836f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char traces_path[PROPERTY_VALUE_MAX] = ""; 837f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross property_get("dalvik.vm.stack-trace-file", traces_path, ""); 838f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (!traces_path[0]) return NULL; 839f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 840f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* move the old traces.txt (if any) out of the way temporarily */ 841f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char anr_traces_path[PATH_MAX]; 842f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross strlcpy(anr_traces_path, traces_path, sizeof(anr_traces_path)); 843f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross strlcat(anr_traces_path, ".anr", sizeof(anr_traces_path)); 844f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (rename(traces_path, anr_traces_path) && errno != ENOENT) { 845107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("rename(%s, %s): %s\n", traces_path, anr_traces_path, strerror(errno)); 846f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return NULL; // Can't rename old traces.txt -- no permission? -- leave it alone instead 847f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 848f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 849f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* create a new, empty traces.txt file to receive stack dumps */ 850cd67e9f059e270017d5defd8784c89dd8e6bcde7Nick Kralevich int fd = TEMP_FAILURE_RETRY(open(traces_path, O_CREAT | O_WRONLY | O_TRUNC | O_NOFOLLOW | O_CLOEXEC, 85154bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris 0666)); /* -rw-rw-rw- */ 852f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (fd < 0) { 853107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("%s: %s\n", traces_path, strerror(errno)); 854f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return NULL; 855f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 856c7f1fe26804ab986b90f3ba007db94f71e94932aNick Kralevich int chmod_ret = fchmod(fd, 0666); 857c7f1fe26804ab986b90f3ba007db94f71e94932aNick Kralevich if (chmod_ret < 0) { 858107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("fchmod on %s failed: %s\n", traces_path, strerror(errno)); 859c7f1fe26804ab986b90f3ba007db94f71e94932aNick Kralevich close(fd); 860c7f1fe26804ab986b90f3ba007db94f71e94932aNick Kralevich return NULL; 861c7f1fe26804ab986b90f3ba007db94f71e94932aNick Kralevich } 862f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 8638620bb4118a68721d10c29529dc6978847d08d00Felipe Leme /* Variables below must be initialized before 'goto' statements */ 8648620bb4118a68721d10c29529dc6978847d08d00Felipe Leme int dalvik_found = 0; 8658620bb4118a68721d10c29529dc6978847d08d00Felipe Leme int ifd, wfd = -1; 8668620bb4118a68721d10c29529dc6978847d08d00Felipe Leme 867f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* walk /proc and kill -QUIT all Dalvik processes */ 868f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross DIR *proc = opendir("/proc"); 869f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (proc == NULL) { 870107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("/proc: %s\n", strerror(errno)); 871bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown goto error_close_fd; 872f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 873f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 874f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* use inotify to find when processes are done dumping */ 8758620bb4118a68721d10c29529dc6978847d08d00Felipe Leme ifd = inotify_init(); 876f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (ifd < 0) { 877107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("inotify_init: %s\n", strerror(errno)); 878bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown goto error_close_fd; 879f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 880f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 8818620bb4118a68721d10c29529dc6978847d08d00Felipe Leme wfd = inotify_add_watch(ifd, traces_path, IN_CLOSE_WRITE); 882f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (wfd < 0) { 883107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("inotify_add_watch(%s): %s\n", traces_path, strerror(errno)); 884bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown goto error_close_ifd; 885f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 886f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 887f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross struct dirent *d; 888f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross while ((d = readdir(proc))) { 889f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int pid = atoi(d->d_name); 890f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (pid <= 0) continue; 891f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 892bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown char path[PATH_MAX]; 893bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown char data[PATH_MAX]; 894f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross snprintf(path, sizeof(path), "/proc/%d/exe", pid); 895bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown ssize_t len = readlink(path, data, sizeof(data) - 1); 896bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown if (len <= 0) { 897f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross continue; 898f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 899bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown data[len] = '\0'; 900f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 9010d6180f122127a9541e6193e0e6eceb5b08c608cColin Cross if (!strncmp(data, "/system/bin/app_process", strlen("/system/bin/app_process"))) { 902bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown /* skip zygote -- it won't dump its stack anyway */ 903bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); 904cd67e9f059e270017d5defd8784c89dd8e6bcde7Nick Kralevich int cfd = TEMP_FAILURE_RETRY(open(path, O_RDONLY | O_CLOEXEC)); 9051dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown len = read(cfd, data, sizeof(data) - 1); 9061dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown close(cfd); 907bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown if (len <= 0) { 908bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown continue; 909bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 910bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown data[len] = '\0'; 9110d6180f122127a9541e6193e0e6eceb5b08c608cColin Cross if (!strncmp(data, "zygote", strlen("zygote"))) { 912bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown continue; 913bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 914bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown 915bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown ++dalvik_found; 91678f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme uint64_t start = DurationReporter::nanotime(); 917bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown if (kill(pid, SIGQUIT)) { 918107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("kill(%d, SIGQUIT): %s\n", pid, strerror(errno)); 919bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown continue; 920bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 921bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown 922bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown /* wait for the writable-close notification from inotify */ 923bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown struct pollfd pfd = { ifd, POLLIN, 0 }; 92485453ecc90a94564e586f0f97c9ec2c0cf831501Nick Vaccaro int ret = poll(&pfd, 1, 5000); /* 5 sec timeout */ 925bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown if (ret < 0) { 926107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("poll: %s\n", strerror(errno)); 927bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } else if (ret == 0) { 928107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("warning: timed out dumping pid %d\n", pid); 929bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } else { 930bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown struct inotify_event ie; 931bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown read(ifd, &ie, sizeof(ie)); 932bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 9331dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown 9341dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown if (lseek(fd, 0, SEEK_END) < 0) { 935107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("lseek: %s\n", strerror(errno)); 9361dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown } else { 93731ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris dprintf(fd, "[dump dalvik stack %d: %.3fs elapsed]\n", 93878f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme pid, (float)(DurationReporter::nanotime() - start) / NANOS_PER_SEC); 9391dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown } 940bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } else if (should_dump_native_traces(data)) { 941bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown /* dump native process if appropriate */ 942bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown if (lseek(fd, 0, SEEK_END) < 0) { 943107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("lseek: %s\n", strerror(errno)); 944bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } else { 94531ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris static uint16_t timeout_failures = 0; 94678f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme uint64_t start = DurationReporter::nanotime(); 94731ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris 94831ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris /* If 3 backtrace dumps fail in a row, consider debuggerd dead. */ 94931ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris if (timeout_failures == 3) { 95031ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris dprintf(fd, "too many stack dump failures, skipping...\n"); 95131ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris } else if (dump_backtrace_to_file_timeout(pid, fd, 20) == -1) { 95231ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris dprintf(fd, "dumping failed, likely due to a timeout\n"); 95331ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris timeout_failures++; 95431ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris } else { 95531ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris timeout_failures = 0; 95631ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris } 95731ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris dprintf(fd, "[dump native stack %d: %.3fs elapsed]\n", 95878f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme pid, (float)(DurationReporter::nanotime() - start) / NANOS_PER_SEC); 959bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 960f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 961f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 962f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 963f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (dalvik_found == 0) { 964107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("Warning: no Dalvik processes found to dump stacks\n"); 965f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 966f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 967f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross static char dump_traces_path[PATH_MAX]; 968f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross strlcpy(dump_traces_path, traces_path, sizeof(dump_traces_path)); 969f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross strlcat(dump_traces_path, ".bugreport", sizeof(dump_traces_path)); 970f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (rename(traces_path, dump_traces_path)) { 971107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("rename(%s, %s): %s\n", traces_path, dump_traces_path, strerror(errno)); 972bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown goto error_close_ifd; 973f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 974bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown result = dump_traces_path; 975f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 976f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* replace the saved [ANR] traces.txt file */ 977f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross rename(anr_traces_path, traces_path); 978bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown 979bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brownerror_close_ifd: 980bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown close(ifd); 981bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brownerror_close_fd: 982bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown close(fd); 983bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown return result; 984f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 985f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 9862b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandranvoid dump_route_tables() { 98778f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme DurationReporter duration_reporter("DUMP ROUTE TABLES"); 98893d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(); 9892b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran const char* const RT_TABLES_PATH = "/data/misc/net/rt_tables"; 9902b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran dump_file("RT_TABLES", RT_TABLES_PATH); 991cd67e9f059e270017d5defd8784c89dd8e6bcde7Nick Kralevich FILE* fp = fopen(RT_TABLES_PATH, "re"); 9922b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran if (!fp) { 9932b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran printf("*** %s: %s\n", RT_TABLES_PATH, strerror(errno)); 9942b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran return; 9952b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran } 9962b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran char table[16]; 9972b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran // Each line has an integer (the table number), a space, and a string (the table name). We only 9982b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran // need the table number. It's a 32-bit unsigned number, so max 10 chars. Skip the table name. 9992b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran // Add a fixed max limit so this doesn't go awry. 10002b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran for (int i = 0; i < 64 && fscanf(fp, " %10s %*s", table) == 1; ++i) { 10012b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran run_command("ROUTE TABLE IPv4", 10, "ip", "-4", "route", "show", "table", table, NULL); 10022b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran run_command("ROUTE TABLE IPv6", 10, "ip", "-6", "route", "show", "table", table, NULL); 10032b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran } 10042b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran fclose(fp); 10052b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran} 100671bbfc57974331dce79242ce806d92035fce06baFelipe Leme 100771bbfc57974331dce79242ce806d92035fce06baFelipe Leme/* overall progress */ 100871bbfc57974331dce79242ce806d92035fce06baFelipe Lemeint progress = 0; 100908b5578b7370b11e6eeb1f2619fd9d54b0536760Felipe Lemeint do_update_progress = 0; // Set by dumpstate.cpp 1010ad5f6c475934ac6a658a203069a9f055540946e7Felipe Lemeint weight_total = WEIGHT_TOTAL; 101171bbfc57974331dce79242ce806d92035fce06baFelipe Leme 101271bbfc57974331dce79242ce806d92035fce06baFelipe Leme// TODO: make this function thread safe if sections are generated in parallel. 101371bbfc57974331dce79242ce806d92035fce06baFelipe Lemevoid update_progress(int delta) { 101471bbfc57974331dce79242ce806d92035fce06baFelipe Leme if (!do_update_progress) return; 101571bbfc57974331dce79242ce806d92035fce06baFelipe Leme 101671bbfc57974331dce79242ce806d92035fce06baFelipe Leme progress += delta; 101771bbfc57974331dce79242ce806d92035fce06baFelipe Leme 101871bbfc57974331dce79242ce806d92035fce06baFelipe Leme char key[PROPERTY_KEY_MAX]; 101971bbfc57974331dce79242ce806d92035fce06baFelipe Leme char value[PROPERTY_VALUE_MAX]; 1020ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme 1021ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme // adjusts max on the fly 1022ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme if (progress > weight_total) { 1023ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme int new_total = weight_total * 1.2; 1024107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGD("Adjusting total weight from %d to %d\n", weight_total, new_total); 1025ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme weight_total = new_total; 1026ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme sprintf(key, "dumpstate.%d.max", getpid()); 1027ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme sprintf(value, "%d", weight_total); 1028ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme int status = property_set(key, value); 1029ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme if (status) { 1030cbce55d4fdbdd2e5a5515054c48d2116c5db2712Felipe Leme MYLOGE("Could not update max weight by setting system property %s to %s: %d\n", 1031ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme key, value, status); 1032ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme } 1033ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme } 1034ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme 103571bbfc57974331dce79242ce806d92035fce06baFelipe Leme sprintf(key, "dumpstate.%d.progress", getpid()); 103671bbfc57974331dce79242ce806d92035fce06baFelipe Leme sprintf(value, "%d", progress); 103771bbfc57974331dce79242ce806d92035fce06baFelipe Leme 1038107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme if (progress % 100 == 0) { 1039107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme // We don't want to spam logcat, so only log multiples of 100. 1040107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGD("Setting progress (%s): %s/%d\n", key, value, weight_total); 1041107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme } else { 1042107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme // stderr is ignored on normal invocations, but useful when calling /system/bin/dumpstate 1043107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme // directly for debuggging. 1044107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme fprintf(stderr, "Setting progress (%s): %s/%d\n", key, value, weight_total); 1045107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme } 104671bbfc57974331dce79242ce806d92035fce06baFelipe Leme 104771bbfc57974331dce79242ce806d92035fce06baFelipe Leme int status = property_set(key, value); 104871bbfc57974331dce79242ce806d92035fce06baFelipe Leme if (status) { 1049cbce55d4fdbdd2e5a5515054c48d2116c5db2712Felipe Leme MYLOGE("Could not update progress by setting system property %s to %s: %d\n", 105071bbfc57974331dce79242ce806d92035fce06baFelipe Leme key, value, status); 105171bbfc57974331dce79242ce806d92035fce06baFelipe Leme } 105271bbfc57974331dce79242ce806d92035fce06baFelipe Leme} 1053e338bf60701e5b955ab0a097f2631f2190218894Felipe Leme 10543634a1e3459cb609da709646107e246cafbc01f9Felipe Lemevoid take_screenshot(const std::string& path) { 1055e338bf60701e5b955ab0a097f2631f2190218894Felipe Leme const char *args[] = { "/system/bin/screencap", "-p", path.c_str(), NULL }; 1056e338bf60701e5b955ab0a097f2631f2190218894Felipe Leme run_command_always(NULL, 10, args); 1057e338bf60701e5b955ab0a097f2631f2190218894Felipe Leme} 1058f55d402132afa4b9dd38aa69e50ec7b7efb1927cMark Salyzyn 10590c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Lemevoid vibrate(FILE* vibrator, int ms) { 10600c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme fprintf(vibrator, "%d\n", ms); 10610c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme fflush(vibrator); 10620c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme} 10630c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme 10640c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Lemebool is_dir(const char* pathname) { 10650c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme struct stat info; 10660c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme if (stat(pathname, &info) == -1) { 10670c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme return false; 10680c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme } 10690c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme return S_ISDIR(info.st_mode); 10700c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme} 10710c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme 10720c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Lemetime_t get_mtime(int fd, time_t default_mtime) { 10730c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme struct stat info; 10740c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme if (fstat(fd, &info) == -1) { 10750c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme return default_mtime; 10760c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme } 10770c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme return info.st_mtime; 10780c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme} 10790c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme 10808c8130eb68c89987a94db084608a4229bad06c18Mark Salyzynvoid dump_emmc_ecsd(const char *ext_csd_path) { 10818c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn static const size_t EXT_CSD_REV = 192; 10828c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn static const size_t EXT_PRE_EOL_INFO = 267; 10838c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn static const size_t EXT_DEVICE_LIFE_TIME_EST_TYP_A = 268; 10848c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn static const size_t EXT_DEVICE_LIFE_TIME_EST_TYP_B = 269; 10858c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn struct hex { 10868c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn char str[2]; 10878c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } buffer[512]; 10888c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn int fd, ext_csd_rev, ext_pre_eol_info; 10898c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ssize_t bytes_read; 10908c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn static const char *ver_str[] = { 10918c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "4.0", "4.1", "4.2", "4.3", "Obsolete", "4.41", "4.5", "5.0" 10928c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn }; 10938c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn static const char *eol_str[] = { 10948c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "Undefined", 10958c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "Normal", 10968c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "Warning (consumed 80% of reserve)", 10974b45d6732c649aa15799076d68e5fb5a170819bcMark Salyzyn "Urgent (consumed 90% of reserve)" 10988c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn }; 10998c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 11008c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("------ %s Extended CSD ------\n", ext_csd_path); 11018c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 11028c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn fd = TEMP_FAILURE_RETRY(open(ext_csd_path, 11038c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn O_RDONLY | O_NONBLOCK | O_CLOEXEC)); 11048c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn if (fd < 0) { 11058c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("*** %s: %s\n\n", ext_csd_path, strerror(errno)); 11068c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn return; 11078c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 11088c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 11098c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn bytes_read = TEMP_FAILURE_RETRY(read(fd, buffer, sizeof(buffer))); 11108c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn close(fd); 11118c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn if (bytes_read < 0) { 11128c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("*** %s: %s\n\n", ext_csd_path, strerror(errno)); 11138c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn return; 11148c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 11154b45d6732c649aa15799076d68e5fb5a170819bcMark Salyzyn if (bytes_read < (ssize_t)(EXT_CSD_REV * sizeof(struct hex))) { 11168c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("*** %s: truncated content %zd\n\n", ext_csd_path, bytes_read); 11178c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn return; 11188c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 11198c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 11208c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_csd_rev = 0; 11218c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn if (sscanf(buffer[EXT_CSD_REV].str, "%02x", &ext_csd_rev) != 1) { 11228c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("*** %s: EXT_CSD_REV parse error \"%.2s\"\n\n", 11238c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_csd_path, buffer[EXT_CSD_REV].str); 11248c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn return; 11258c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 11268c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 11278c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("rev 1.%d (MMC %s)\n", 11288c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_csd_rev, 11298c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn (ext_csd_rev < (int)(sizeof(ver_str) / sizeof(ver_str[0]))) ? 11308c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ver_str[ext_csd_rev] : 11318c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "Unknown"); 11328c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn if (ext_csd_rev < 7) { 11338c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("\n"); 11348c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn return; 11358c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 11368c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 11374b45d6732c649aa15799076d68e5fb5a170819bcMark Salyzyn if (bytes_read < (ssize_t)(EXT_PRE_EOL_INFO * sizeof(struct hex))) { 11388c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("*** %s: truncated content %zd\n\n", ext_csd_path, bytes_read); 11398c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn return; 11408c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 11418c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 11428c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_pre_eol_info = 0; 11438c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn if (sscanf(buffer[EXT_PRE_EOL_INFO].str, "%02x", &ext_pre_eol_info) != 1) { 11448c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("*** %s: PRE_EOL_INFO parse error \"%.2s\"\n\n", 11458c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_csd_path, buffer[EXT_PRE_EOL_INFO].str); 11468c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn return; 11478c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 11488c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("PRE_EOL_INFO %d (MMC %s)\n", 11498c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_pre_eol_info, 11508c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn eol_str[(ext_pre_eol_info < (int) 11518c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn (sizeof(eol_str) / sizeof(eol_str[0]))) ? 11528c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_pre_eol_info : 0]); 11538c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 11548c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn for (size_t lifetime = EXT_DEVICE_LIFE_TIME_EST_TYP_A; 11558c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn lifetime <= EXT_DEVICE_LIFE_TIME_EST_TYP_B; 11568c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ++lifetime) { 11578c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn int ext_device_life_time_est; 11588c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn static const char *est_str[] = { 11598c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "Undefined", 11608c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "0-10% of device lifetime used", 11618c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "10-20% of device lifetime used", 11628c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "20-30% of device lifetime used", 11638c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "30-40% of device lifetime used", 11648c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "40-50% of device lifetime used", 11658c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "50-60% of device lifetime used", 11668c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "60-70% of device lifetime used", 11678c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "70-80% of device lifetime used", 11688c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "80-90% of device lifetime used", 11698c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "90-100% of device lifetime used", 11708c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "Exceeded the maximum estimated device lifetime", 11718c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn }; 11728c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 11734b45d6732c649aa15799076d68e5fb5a170819bcMark Salyzyn if (bytes_read < (ssize_t)(lifetime * sizeof(struct hex))) { 11748c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("*** %s: truncated content %zd\n", ext_csd_path, bytes_read); 11758c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn break; 11768c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 11778c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 11788c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_device_life_time_est = 0; 11798c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn if (sscanf(buffer[lifetime].str, "%02x", &ext_device_life_time_est) != 1) { 11808c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("*** %s: DEVICE_LIFE_TIME_EST_TYP_%c parse error \"%.2s\"\n", 11818c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_csd_path, 11828c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn (unsigned)(lifetime - EXT_DEVICE_LIFE_TIME_EST_TYP_A) + 'A', 11838c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn buffer[lifetime].str); 11848c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn continue; 11858c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 11868c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("DEVICE_LIFE_TIME_EST_TYP_%c %d (MMC %s)\n", 11878c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn (unsigned)(lifetime - EXT_DEVICE_LIFE_TIME_EST_TYP_A) + 'A', 11888c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_device_life_time_est, 11898c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn est_str[(ext_device_life_time_est < (int) 11908c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn (sizeof(est_str) / sizeof(est_str[0]))) ? 11918c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_device_life_time_est : 0]); 11928c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 11938c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 11948c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("\n"); 11958c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn} 119688c7933df551f6dadd8cc931d104b01d6d1609e4Felipe Leme 119788c7933df551f6dadd8cc931d104b01d6d1609e4Felipe Lemevoid log_args(const std::string& message, int argc, const char *argv[]) { 119888c7933df551f6dadd8cc931d104b01d6d1609e4Felipe Leme std::string args; 119988c7933df551f6dadd8cc931d104b01d6d1609e4Felipe Leme for (int i = 0; i < argc; i++) { 120088c7933df551f6dadd8cc931d104b01d6d1609e4Felipe Leme args.append(argv[i]); 120188c7933df551f6dadd8cc931d104b01d6d1609e4Felipe Leme args.append(" "); 120288c7933df551f6dadd8cc931d104b01d6d1609e4Felipe Leme } 1203107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGD("%s: %s\n", message.c_str(), args.c_str()); 120488c7933df551f6dadd8cc931d104b01d6d1609e4Felipe Leme} 1205