utils.cpp revision 608385dd151e36a93f3e3f4a7514b1e720d20ae9
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> 30f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <sys/time.h> 31f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <sys/wait.h> 32f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <sys/klog.h> 33f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <time.h> 34f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <unistd.h> 3536b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme#include <vector> 36e7b6cf13f94f66ea446c95ab34040b0a577e43dcJohn Michelau#include <sys/prctl.h> 37f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 3871bbfc57974331dce79242ce806d92035fce06baFelipe Leme#define LOG_TAG "dumpstate" 39bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown#include <cutils/debugger.h> 4071bbfc57974331dce79242ce806d92035fce06baFelipe Leme#include <cutils/log.h> 41f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <cutils/properties.h> 42f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <cutils/sockets.h> 43f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <private/android_filesystem_config.h> 44f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 45957983787d7a753d34b582ae0165160f4ebf815cRobert Craig#include <selinux/android.h> 46957983787d7a753d34b582ae0165160f4ebf815cRobert Craig 47f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include "dumpstate.h" 48f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 491dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brownstatic const int64_t NANOS_PER_SEC = 1000000000; 501dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown 51bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown/* list of native processes to include in the native dumps */ 52bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brownstatic const char* native_processes_to_dump[] = { 539609bbd79668dbc3c8c16c773c92637de98bfa70Andy Hung "/system/bin/audioserver", 54f5248da50134b087cbe8b58d2e1d2310537911e3Chien-Yu Chen "/system/bin/cameraserver", 551fc4f80fc38f782f128102795481924a97a2d3c5James Dong "/system/bin/drmserver", 56bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown "/system/bin/mediaserver", 57bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown "/system/bin/sdcard", 58bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown "/system/bin/surfaceflinger", 59d907b32052aca02ad679e6ae786848d328723080keunyoung "/system/bin/vehicle_network_service", 60bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown NULL, 61bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown}; 62bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown 63608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe LemeDurationReporter::DurationReporter(const char *title) : DurationReporter(title, stdout) {} 64608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme 65608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe LemeDurationReporter::DurationReporter(const char *title, FILE *out) { 6678f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme title_ = title; 6778f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme if (title) { 6878f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme started_ = DurationReporter::nanotime(); 6978f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme } 70608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme out_ = out; 7178f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme} 7278f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme 7378f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe LemeDurationReporter::~DurationReporter() { 7478f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme if (title_) { 7578f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme uint64_t elapsed = DurationReporter::nanotime() - started_; 7678f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme // Use "Yoda grammar" to make it easier to grep|sort sections. 77608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme if (out_) { 78608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme fprintf(out_, "------ %.3fs was the duration of '%s' ------\n", 79608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme (float) elapsed / NANOS_PER_SEC, title_); 80608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme } else { 81608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme ALOGD("Duration of '%s': %.3fs\n", title_, (float) elapsed / NANOS_PER_SEC); 82608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme } 8378f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme } 8478f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme} 8578f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme 8678f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Lemeuint64_t DurationReporter::DurationReporter::nanotime() { 8754bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris struct timespec ts; 8854bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris clock_gettime(CLOCK_MONOTONIC, &ts); 8978f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme return (uint64_t) ts.tv_sec * NANOS_PER_SEC + ts.tv_nsec; 9054bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris} 9154bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris 925ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlockvoid for_each_userid(void (*func)(int), const char *header) { 9393d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(); 945ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock DIR *d; 955ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock struct dirent *de; 965ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock 975ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock if (header) printf("\n------ %s ------\n", header); 985ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock func(0); 995ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock 1005ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock if (!(d = opendir("/data/system/users"))) { 1015ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock printf("Failed to open /data/system/users (%s)\n", strerror(errno)); 1025ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock return; 1035ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock } 1045ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock 1055ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock while ((de = readdir(d))) { 1065ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock int userid; 1075ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock if (de->d_type != DT_DIR || !(userid = atoi(de->d_name))) { 1085ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock continue; 1095ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock } 1105ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock func(userid); 1115ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock } 1125ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock 1135ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock closedir(d); 1145ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock} 1155ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock 1160c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Crossstatic void __for_each_pid(void (*helper)(int, const char *, void *), const char *header, void *arg) { 117f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross DIR *d; 118f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross struct dirent *de; 119f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 120f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (!(d = opendir("/proc"))) { 121f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("Failed to open /proc (%s)\n", strerror(errno)); 122f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 123f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 124f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 125635ca31754ae734b0c540ac5600d58ae55cd4237Felipe Leme if (header) printf("\n------ %s ------\n", header); 126f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross while ((de = readdir(d))) { 127f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int pid; 128f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int fd; 129f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char cmdpath[255]; 130f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char cmdline[255]; 131f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 132f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (!(pid = atoi(de->d_name))) { 133f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross continue; 134f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 135f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 136f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross sprintf(cmdpath,"/proc/%d/cmdline", pid); 137f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross memset(cmdline, 0, sizeof(cmdline)); 138cd67e9f059e270017d5defd8784c89dd8e6bcde7Nick Kralevich if ((fd = TEMP_FAILURE_RETRY(open(cmdpath, O_RDONLY | O_CLOEXEC))) < 0) { 139f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross strcpy(cmdline, "N/A"); 140f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } else { 1410c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross read(fd, cmdline, sizeof(cmdline) - 1); 142f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross close(fd); 143f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 1440c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross helper(pid, cmdline, arg); 145f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 146f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 147f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross closedir(d); 148f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 149f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 1500c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Crossstatic void for_each_pid_helper(int pid, const char *cmdline, void *arg) { 1518620bb4118a68721d10c29529dc6978847d08d00Felipe Leme for_each_pid_func *func = (for_each_pid_func*) arg; 1520c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross func(pid, cmdline); 1530c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross} 1540c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1550c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Crossvoid for_each_pid(for_each_pid_func func, const char *header) { 15693d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(); 1578620bb4118a68721d10c29529dc6978847d08d00Felipe Leme __for_each_pid(for_each_pid_helper, header, (void *)func); 1580c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross} 1590c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1600c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Crossstatic void for_each_tid_helper(int pid, const char *cmdline, void *arg) { 1610c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross DIR *d; 1620c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross struct dirent *de; 1630c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross char taskpath[255]; 1648620bb4118a68721d10c29529dc6978847d08d00Felipe Leme for_each_tid_func *func = (for_each_tid_func *) arg; 1650c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1660c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross sprintf(taskpath, "/proc/%d/task", pid); 1670c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1680c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross if (!(d = opendir(taskpath))) { 1690c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross printf("Failed to open %s (%s)\n", taskpath, strerror(errno)); 1700c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross return; 1710c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross } 1720c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1730c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross func(pid, pid, cmdline); 1740c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1750c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross while ((de = readdir(d))) { 1760c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross int tid; 1770c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross int fd; 1780c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross char commpath[255]; 1790c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross char comm[255]; 1800c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1810c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross if (!(tid = atoi(de->d_name))) { 1820c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross continue; 1830c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross } 1840c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1850c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross if (tid == pid) 1860c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross continue; 1870c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1880c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross sprintf(commpath,"/proc/%d/comm", tid); 1891493a3974a725d6873f317b774be333ca035a64cColin Cross memset(comm, 0, sizeof(comm)); 190cd67e9f059e270017d5defd8784c89dd8e6bcde7Nick Kralevich if ((fd = TEMP_FAILURE_RETRY(open(commpath, O_RDONLY | O_CLOEXEC))) < 0) { 1910c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross strcpy(comm, "N/A"); 1920c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross } else { 1930c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross char *c; 1940c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross read(fd, comm, sizeof(comm) - 1); 1950c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross close(fd); 1960c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1970c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross c = strrchr(comm, '\n'); 1980c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross if (c) { 1990c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross *c = '\0'; 2000c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross } 2010c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross } 2020c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross func(pid, tid, comm); 2030c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross } 2040c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 2050c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross closedir(d); 2060c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross} 2070c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 2080c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Crossvoid for_each_tid(for_each_tid_func func, const char *header) { 20993d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(); 2108620bb4118a68721d10c29529dc6978847d08d00Felipe Leme __for_each_pid(for_each_tid_helper, header, (void *) func); 2110c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross} 2120c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 2130c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Crossvoid show_wchan(int pid, int tid, const char *name) { 21493d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(); 215f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char path[255]; 216f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char buffer[255]; 217f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int fd; 2180c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross char name_buffer[255]; 219f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 220f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross memset(buffer, 0, sizeof(buffer)); 221f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 2220c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross sprintf(path, "/proc/%d/wchan", tid); 223cd67e9f059e270017d5defd8784c89dd8e6bcde7Nick Kralevich if ((fd = TEMP_FAILURE_RETRY(open(path, O_RDONLY | O_CLOEXEC))) < 0) { 224f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("Failed to open '%s' (%s)\n", path, strerror(errno)); 225f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 226f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 227f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 228f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (read(fd, buffer, sizeof(buffer)) < 0) { 229f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("Failed to read '%s' (%s)\n", path, strerror(errno)); 230f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross goto out_close; 231f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 232f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 2330c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross snprintf(name_buffer, sizeof(name_buffer), "%*s%s", 2340c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross pid == tid ? 0 : 3, "", name); 2350c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 2360c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross printf("%-7d %-32s %s\n", tid, name_buffer, buffer); 237f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 238f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossout_close: 239f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross close(fd); 240f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 241f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 242f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 243f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossvoid do_dmesg() { 24478f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme const char *title = "KERNEL LOG (dmesg)"; 24578f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme DurationReporter duration_reporter(title); 24678f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme printf("------ %s ------\n", title); 24778f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme 24893d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(); 2495f87b31d8076dff08b2363961b07fc052364fe95Elliott Hughes /* Get size of kernel buffer */ 2505f87b31d8076dff08b2363961b07fc052364fe95Elliott Hughes int size = klogctl(KLOG_SIZE_BUFFER, NULL, 0); 251f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (size <= 0) { 252f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("Unexpected klogctl return value: %d\n\n", size); 253f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 254f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 255f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char *buf = (char *) malloc(size + 1); 256f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (buf == NULL) { 257f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("memory allocation failed\n\n"); 258f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 259f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 260f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int retval = klogctl(KLOG_READ_ALL, buf, size); 261f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (retval < 0) { 262f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("klogctl failure\n\n"); 263f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross free(buf); 264f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 265f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 266f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross buf[retval] = '\0'; 267f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("%s\n\n", buf); 268f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross free(buf); 269f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 270f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 271f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 272f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossvoid do_showmap(int pid, const char *name) { 273f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char title[255]; 274f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char arg[255]; 275f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 276f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross sprintf(title, "SHOW MAP %d (%s)", pid, name); 277f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross sprintf(arg, "%d", pid); 278f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross run_command(title, 10, SU_PATH, "root", "showmap", arg, NULL); 279f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 280f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 28154bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferrisstatic int _dump_file_from_fd(const char *title, const char *path, int fd) { 282f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (title) { 283ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris printf("------ %s (%s", title, path); 284ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris 285f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross struct stat st; 286ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris // Only show the modification time of non-device files. 287ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris size_t path_len = strlen(path); 288ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris if ((path_len < 6 || memcmp(path, "/proc/", 6)) && 289ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris (path_len < 5 || memcmp(path, "/sys/", 5)) && 290ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris (path_len < 3 || memcmp(path, "/d/", 3)) && 291ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris !fstat(fd, &st)) { 292f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char stamp[80]; 293f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross time_t mtime = st.st_mtime; 294f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross strftime(stamp, sizeof(stamp), "%Y-%m-%d %H:%M:%S", localtime(&mtime)); 295f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf(": %s", stamp); 296f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 297f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf(") ------\n"); 298f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 29971bbfc57974331dce79242ce806d92035fce06baFelipe Leme ON_DRY_RUN({ update_progress(WEIGHT_FILE); close(fd); return 0; }); 300f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 30154bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris bool newline = false; 30254bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris fd_set read_set; 30354bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris struct timeval tm; 30454bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris while (1) { 30554bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris FD_ZERO(&read_set); 30654bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris FD_SET(fd, &read_set); 30754bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris /* Timeout if no data is read for 30 seconds. */ 30854bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris tm.tv_sec = 30; 30954bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris tm.tv_usec = 0; 31078f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme uint64_t elapsed = DurationReporter::nanotime(); 31154bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris int ret = TEMP_FAILURE_RETRY(select(fd + 1, &read_set, NULL, NULL, &tm)); 31254bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris if (ret == -1) { 31354bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris printf("*** %s: select failed: %s\n", path, strerror(errno)); 31454bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris newline = true; 31554bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris break; 31654bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris } else if (ret == 0) { 31778f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme elapsed = DurationReporter::nanotime() - elapsed; 31854bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris printf("*** %s: Timed out after %.3fs\n", path, 31954bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris (float) elapsed / NANOS_PER_SEC); 32054bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris newline = true; 32154bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris break; 32254bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris } else { 32354bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris char buffer[65536]; 32454bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris ssize_t bytes_read = TEMP_FAILURE_RETRY(read(fd, buffer, sizeof(buffer))); 32554bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris if (bytes_read > 0) { 32654bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris fwrite(buffer, bytes_read, 1, stdout); 32754bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris newline = (buffer[bytes_read-1] == '\n'); 32854bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris } else { 32954bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris if (bytes_read == -1) { 33054bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris printf("*** %s: Failed to read from fd: %s", path, strerror(errno)); 33154bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris newline = true; 33254bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris } 33354bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris break; 33454bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris } 335f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 336f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 33771bbfc57974331dce79242ce806d92035fce06baFelipe Leme update_progress(WEIGHT_FILE); 338997abb668b9248c2174c6cf169a0b7c6a02fd2cbElliott Hughes close(fd); 3397dc7f3221f26b771c266a26ec785eb74287922f1Christopher Ferris 340f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (!newline) printf("\n"); 341f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (title) printf("\n"); 342f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return 0; 343f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 344f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 34554bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris/* prints the contents of a file */ 34654bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferrisint dump_file(const char *title, const char *path) { 34778f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme DurationReporter duration_reporter(title); 34854bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris int fd = TEMP_FAILURE_RETRY(open(path, O_RDONLY | O_NONBLOCK | O_CLOEXEC)); 34954bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris if (fd < 0) { 35054bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris int err = errno; 35154bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris printf("*** %s: %s\n", path, strerror(err)); 35254bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris if (title) printf("\n"); 35354bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris return -1; 35454bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris } 35554bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris return _dump_file_from_fd(title, path, fd); 35654bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris} 35754bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris 358326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn/* calls skip to gate calling dump_from_fd recursively 359326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn * in the specified directory. dump_from_fd defaults to 360326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn * dump_file_from_fd above when set to NULL. skip defaults 361326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn * to false when set to NULL. dump_from_fd will always be 362326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn * called with title NULL. 363326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn */ 364326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzynint dump_files(const char *title, const char *dir, 365326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn bool (*skip)(const char *path), 366326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn int (*dump_from_fd)(const char *title, const char *path, int fd)) { 36778f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme DurationReporter duration_reporter(title); 368326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn DIR *dirp; 369326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn struct dirent *d; 370326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn char *newpath = NULL; 3718620bb4118a68721d10c29529dc6978847d08d00Felipe Leme const char *slash = "/"; 372326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn int fd, retval = 0; 373326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn 374326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (title) { 375326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn printf("------ %s (%s) ------\n", title, dir); 376326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 37793d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(0); 378326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn 379326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (dir[strlen(dir) - 1] == '/') { 380326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn ++slash; 381326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 382326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn dirp = opendir(dir); 383326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (dirp == NULL) { 384326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn retval = -errno; 385326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn fprintf(stderr, "%s: %s\n", dir, strerror(errno)); 386326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn return retval; 387326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 388326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn 389326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (!dump_from_fd) { 390326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn dump_from_fd = dump_file_from_fd; 391326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 392326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn for (; ((d = readdir(dirp))); free(newpath), newpath = NULL) { 393326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if ((d->d_name[0] == '.') 394326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn && (((d->d_name[1] == '.') && (d->d_name[2] == '\0')) 395326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn || (d->d_name[1] == '\0'))) { 396326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn continue; 397326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 398326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn asprintf(&newpath, "%s%s%s%s", dir, slash, d->d_name, 399326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn (d->d_type == DT_DIR) ? "/" : ""); 400326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (!newpath) { 401326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn retval = -errno; 402326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn continue; 403326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 404326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (skip && (*skip)(newpath)) { 405326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn continue; 406326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 407326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (d->d_type == DT_DIR) { 408326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn int ret = dump_files(NULL, newpath, skip, dump_from_fd); 409326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (ret < 0) { 410326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn retval = ret; 411326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 412326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn continue; 413326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 414326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn fd = TEMP_FAILURE_RETRY(open(newpath, O_RDONLY | O_NONBLOCK | O_CLOEXEC)); 415326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (fd < 0) { 416326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn retval = fd; 417326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn printf("*** %s: %s\n", newpath, strerror(errno)); 418326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn continue; 419326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 420326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn (*dump_from_fd)(NULL, newpath, fd); 421326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 422326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn closedir(dirp); 423326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (title) { 424326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn printf("\n"); 425326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 426326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn return retval; 427326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn} 428326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn 42954bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris/* fd must have been opened with the flag O_NONBLOCK. With this flag set, 43054bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris * it's possible to avoid issues where opening the file itself can get 43154bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris * stuck. 43254bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris */ 43354bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferrisint dump_file_from_fd(const char *title, const char *path, int fd) { 43454bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris int flags = fcntl(fd, F_GETFL); 43554bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris if (flags == -1) { 43654bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris printf("*** %s: failed to get flags on fd %d: %s\n", path, fd, strerror(errno)); 437ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris close(fd); 43854bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris return -1; 43954bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris } else if (!(flags & O_NONBLOCK)) { 44054bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris printf("*** %s: fd must have O_NONBLOCK set.\n", path); 441ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris close(fd); 44254bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris return -1; 44354bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris } 44454bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris return _dump_file_from_fd(title, path, fd); 4451dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown} 4461dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown 4471a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferrisbool waitpid_with_timeout(pid_t pid, int timeout_seconds, int* status) { 4481a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris sigset_t child_mask, old_mask; 4491a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris sigemptyset(&child_mask); 4501a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris sigaddset(&child_mask, SIGCHLD); 4511a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris 4521a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (sigprocmask(SIG_BLOCK, &child_mask, &old_mask) == -1) { 4531a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris printf("*** sigprocmask failed: %s\n", strerror(errno)); 4541a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris return false; 4551a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 4561a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris 4571a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris struct timespec ts; 4581a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris ts.tv_sec = timeout_seconds; 4591a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris ts.tv_nsec = 0; 4601a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris int ret = TEMP_FAILURE_RETRY(sigtimedwait(&child_mask, NULL, &ts)); 4611a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris int saved_errno = errno; 4621a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris // Set the signals back the way they were. 4631a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (sigprocmask(SIG_SETMASK, &old_mask, NULL) == -1) { 4641a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris printf("*** sigprocmask failed: %s\n", strerror(errno)); 4651a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (ret == 0) { 4661a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris return false; 4671a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 4681a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 4691a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (ret == -1) { 4701a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris errno = saved_errno; 4711a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (errno == EAGAIN) { 4721a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris errno = ETIMEDOUT; 4731a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } else { 4741a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris printf("*** sigtimedwait failed: %s\n", strerror(errno)); 4751a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 4761a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris return false; 4771a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 4781a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris 4791a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris pid_t child_pid = waitpid(pid, status, WNOHANG); 4801a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (child_pid != pid) { 4811a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (child_pid != -1) { 4821a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris printf("*** Waiting for pid %d, got pid %d instead\n", pid, child_pid); 4831a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } else { 4841a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris printf("*** waitpid failed: %s\n", strerror(errno)); 4851a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 4861a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris return false; 4871a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 4881a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris return true; 4891a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris} 4901a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris 491f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossint run_command(const char *title, int timeout_seconds, const char *command, ...) { 49278f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme DurationReporter duration_reporter(title); 493f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fflush(stdout); 49493d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme 49593d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme const char *args[1024] = {command}; 49693d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme size_t arg; 49793d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme va_list ap; 49893d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme va_start(ap, command); 49993d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme if (title) printf("------ %s (%s", title, command); 50093d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme for (arg = 1; arg < sizeof(args) / sizeof(args[0]); ++arg) { 50193d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme args[arg] = va_arg(ap, const char *); 50293d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme if (args[arg] == NULL) break; 50393d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme if (title) printf(" %s", args[arg]); 50493d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme } 50593d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme if (title) printf(") ------\n"); 50693d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme fflush(stdout); 50793d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme 50871bbfc57974331dce79242ce806d92035fce06baFelipe Leme ON_DRY_RUN({ update_progress(timeout_seconds); va_end(ap); return 0; }); 50993d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme 51071bbfc57974331dce79242ce806d92035fce06baFelipe Leme int status = run_command_always(title, timeout_seconds, args); 51171bbfc57974331dce79242ce806d92035fce06baFelipe Leme va_end(ap); 51271bbfc57974331dce79242ce806d92035fce06baFelipe Leme return status; 51393d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme} 51493d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme 51593d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme/* forks a command and waits for it to finish */ 51693d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Lemeint run_command_always(const char *title, int timeout_seconds, const char *args[]) { 51771bbfc57974331dce79242ce806d92035fce06baFelipe Leme /* TODO: for now we're simplifying the progress calculation by using the timeout as the weight. 51871bbfc57974331dce79242ce806d92035fce06baFelipe Leme * It's a good approximation for most cases, except when calling dumpsys, where its weight 51971bbfc57974331dce79242ce806d92035fce06baFelipe Leme * should be much higher proportionally to its timeout. */ 52071bbfc57974331dce79242ce806d92035fce06baFelipe Leme int weight = timeout_seconds; 52193d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme 52236b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme const char *command = args[0]; 52378f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme uint64_t start = DurationReporter::nanotime(); 524f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross pid_t pid = fork(); 525f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 526f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* handle error case */ 527f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (pid < 0) { 528f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("*** fork: %s\n", strerror(errno)); 529f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return pid; 530f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 531f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 532f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* handle child case */ 533f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (pid == 0) { 534f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 535e7b6cf13f94f66ea446c95ab34040b0a577e43dcJohn Michelau /* make sure the child dies when dumpstate dies */ 536e7b6cf13f94f66ea446c95ab34040b0a577e43dcJohn Michelau prctl(PR_SET_PDEATHSIG, SIGKILL); 537e7b6cf13f94f66ea446c95ab34040b0a577e43dcJohn Michelau 5382e671bbdb741c2926b6df7b240fdc31c7361f330Andres Morales /* just ignore SIGPIPE, will go down with parent's */ 5392e671bbdb741c2926b6df7b240fdc31c7361f330Andres Morales struct sigaction sigact; 5402e671bbdb741c2926b6df7b240fdc31c7361f330Andres Morales memset(&sigact, 0, sizeof(sigact)); 5412e671bbdb741c2926b6df7b240fdc31c7361f330Andres Morales sigact.sa_handler = SIG_IGN; 5422e671bbdb741c2926b6df7b240fdc31c7361f330Andres Morales sigaction(SIGPIPE, &sigact, NULL); 5432e671bbdb741c2926b6df7b240fdc31c7361f330Andres Morales 544f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross execvp(command, (char**) args); 545f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("*** exec(%s): %s\n", command, strerror(errno)); 546f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fflush(stdout); 547f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross _exit(-1); 548f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 549f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 550f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* handle parent case */ 5511a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris int status; 5521a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris bool ret = waitpid_with_timeout(pid, timeout_seconds, &status); 55378f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme uint64_t elapsed = DurationReporter::nanotime() - start; 5541a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (!ret) { 5551a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (errno == ETIMEDOUT) { 5561a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris printf("*** %s: Timed out after %.3fs (killing pid %d)\n", command, 5571a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris (float) elapsed / NANOS_PER_SEC, pid); 5581a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } else { 5591a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris printf("*** %s: Error after %.4fs (killing pid %d)\n", command, 5601a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris (float) elapsed / NANOS_PER_SEC, pid); 561f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 5621a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris kill(pid, SIGTERM); 5631a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (!waitpid_with_timeout(pid, 5, NULL)) { 5641a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris kill(pid, SIGKILL); 5651a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (!waitpid_with_timeout(pid, 5, NULL)) { 5661a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris printf("*** %s: Cannot kill %d even with SIGKILL.\n", command, pid); 5671a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 568f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 5691a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris return -1; 5701a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 571f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 5721a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (WIFSIGNALED(status)) { 5731a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris printf("*** %s: Killed by signal %d\n", command, WTERMSIG(status)); 5741a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } else if (WIFEXITED(status) && WEXITSTATUS(status) > 0) { 5751a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris printf("*** %s: Exit code %d\n", command, WEXITSTATUS(status)); 576f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 5771a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris 57871bbfc57974331dce79242ce806d92035fce06baFelipe Leme if (weight > 0) { 57971bbfc57974331dce79242ce806d92035fce06baFelipe Leme update_progress(weight); 58071bbfc57974331dce79242ce806d92035fce06baFelipe Leme } 5811a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris return status; 582f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 583f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 58436b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Lemevoid send_broadcast(const std::string& action, const std::vector<std::string>& args) { 58536b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme if (args.size() > 1000) { 586ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme fprintf(stderr, "send_broadcast: too many arguments (%d)\n", (int) args.size()); 58736b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme return; 58836b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme } 589b0b4aa2d1df3c2c1f591776083a33cd28ad306bdFelipe Leme const char *am_args[1024] = { "/system/bin/am", "broadcast", 590edb0b0c309dd1a48d127f691e6d9b29392d1af44Felipe Leme "--user", "0", "-a", action.c_str() }; 59136b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme size_t am_index = 5; // Starts at the index of last initial value above. 59236b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme for (const std::string& arg : args) { 59336b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme am_args[++am_index] = arg.c_str(); 59436b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme } 59536b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme // Always terminate with NULL. 59636b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme am_args[am_index + 1] = NULL; 59736b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme run_command_always(NULL, 5, am_args); 59836b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme} 59936b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme 600f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crosssize_t num_props = 0; 601f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossstatic char* props[2000]; 602f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 603f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossstatic void print_prop(const char *key, const char *name, void *user) { 604f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross (void) user; 605f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (num_props < sizeof(props) / sizeof(props[0])) { 606f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char buf[PROPERTY_KEY_MAX + PROPERTY_VALUE_MAX + 10]; 607f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross snprintf(buf, sizeof(buf), "[%s]: [%s]\n", key, name); 608f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross props[num_props++] = strdup(buf); 609f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 610f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 611f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 612f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossstatic int compare_prop(const void *a, const void *b) { 613f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return strcmp(*(char * const *) a, *(char * const *) b); 614f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 615f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 616f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross/* prints all the system properties */ 617f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossvoid print_properties() { 61878f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme const char* title = "SYSTEM PROPERTIES"; 61978f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme DurationReporter duration_reporter(title); 62078f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme printf("------ %s ------\n", title); 62193d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(); 622f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross size_t i; 623f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross num_props = 0; 624f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross property_list(print_prop, NULL); 625f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross qsort(&props, num_props, sizeof(props[0]), compare_prop); 626f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 627f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross for (i = 0; i < num_props; ++i) { 628f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fputs(props[i], stdout); 629f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross free(props[i]); 630f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 631f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("\n"); 632f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 633f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 634f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross/* redirect output to a service control socket */ 635f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossvoid redirect_to_socket(FILE *redirect, const char *service) { 636f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int s = android_get_control_socket(service); 637f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (s < 0) { 638f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fprintf(stderr, "android_get_control_socket(%s): %s\n", service, strerror(errno)); 639f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross exit(1); 640f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 641cd67e9f059e270017d5defd8784c89dd8e6bcde7Nick Kralevich fcntl(s, F_SETFD, FD_CLOEXEC); 642f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (listen(s, 4) < 0) { 643f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fprintf(stderr, "listen(control socket): %s\n", strerror(errno)); 644f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross exit(1); 645f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 646f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 647f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross struct sockaddr addr; 648f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross socklen_t alen = sizeof(addr); 649f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int fd = accept(s, &addr, &alen); 650f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (fd < 0) { 651f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fprintf(stderr, "accept(control socket): %s\n", strerror(errno)); 652f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross exit(1); 653f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 654f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 655f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fflush(redirect); 656f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross dup2(fd, fileno(redirect)); 657f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross close(fd); 658f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 659f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 660ff4a4dc7e6e3ead12020b4dc17548d767a419ddeChristopher Ferris/* redirect output to a file */ 661ff4a4dc7e6e3ead12020b4dc17548d767a419ddeChristopher Ferrisvoid redirect_to_file(FILE *redirect, char *path) { 662f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char *chp = path; 663f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 664f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* skip initial slash */ 665f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (chp[0] == '/') 666f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross chp++; 667f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 668f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* create leading directories, if necessary */ 669f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross while (chp && chp[0]) { 670f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross chp = strchr(chp, '/'); 671f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (chp) { 672f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross *chp = 0; 67327f9e6d849fce956c9b8f1ad5c3d9a954501a76bJeff Sharkey mkdir(path, 0770); /* drwxrwx--- */ 674f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross *chp++ = '/'; 675f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 676f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 677f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 678608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme int fd = TEMP_FAILURE_RETRY(open(path, O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC | O_NOFOLLOW, 679ff4a4dc7e6e3ead12020b4dc17548d767a419ddeChristopher Ferris S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)); 680f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (fd < 0) { 681f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fprintf(stderr, "%s: %s\n", path, strerror(errno)); 682f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross exit(1); 683f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 684f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 685ff4a4dc7e6e3ead12020b4dc17548d767a419ddeChristopher Ferris TEMP_FAILURE_RETRY(dup2(fd, fileno(redirect))); 686f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross close(fd); 687f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 688f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 689bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brownstatic bool should_dump_native_traces(const char* path) { 690bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown for (const char** p = native_processes_to_dump; *p; p++) { 691bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown if (!strcmp(*p, path)) { 692bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown return true; 693bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 694bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 695bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown return false; 696bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown} 697bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown 698bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown/* dump Dalvik and native stack traces, return the trace file location (NULL if none) */ 699bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brownconst char *dump_traces() { 700608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme DurationReporter duration_reporter("DUMP TRACES", NULL); 70193d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(NULL); 702bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown const char* result = NULL; 703bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown 704f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char traces_path[PROPERTY_VALUE_MAX] = ""; 705f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross property_get("dalvik.vm.stack-trace-file", traces_path, ""); 706f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (!traces_path[0]) return NULL; 707f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 708f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* move the old traces.txt (if any) out of the way temporarily */ 709f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char anr_traces_path[PATH_MAX]; 710f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross strlcpy(anr_traces_path, traces_path, sizeof(anr_traces_path)); 711f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross strlcat(anr_traces_path, ".anr", sizeof(anr_traces_path)); 712f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (rename(traces_path, anr_traces_path) && errno != ENOENT) { 713f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fprintf(stderr, "rename(%s, %s): %s\n", traces_path, anr_traces_path, strerror(errno)); 714f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return NULL; // Can't rename old traces.txt -- no permission? -- leave it alone instead 715f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 716f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 717f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* create a new, empty traces.txt file to receive stack dumps */ 718cd67e9f059e270017d5defd8784c89dd8e6bcde7Nick Kralevich int fd = TEMP_FAILURE_RETRY(open(traces_path, O_CREAT | O_WRONLY | O_TRUNC | O_NOFOLLOW | O_CLOEXEC, 71954bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris 0666)); /* -rw-rw-rw- */ 720f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (fd < 0) { 721f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fprintf(stderr, "%s: %s\n", traces_path, strerror(errno)); 722f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return NULL; 723f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 724c7f1fe26804ab986b90f3ba007db94f71e94932aNick Kralevich int chmod_ret = fchmod(fd, 0666); 725c7f1fe26804ab986b90f3ba007db94f71e94932aNick Kralevich if (chmod_ret < 0) { 726c7f1fe26804ab986b90f3ba007db94f71e94932aNick Kralevich fprintf(stderr, "fchmod on %s failed: %s\n", traces_path, strerror(errno)); 727c7f1fe26804ab986b90f3ba007db94f71e94932aNick Kralevich close(fd); 728c7f1fe26804ab986b90f3ba007db94f71e94932aNick Kralevich return NULL; 729c7f1fe26804ab986b90f3ba007db94f71e94932aNick Kralevich } 730f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 7318620bb4118a68721d10c29529dc6978847d08d00Felipe Leme /* Variables below must be initialized before 'goto' statements */ 7328620bb4118a68721d10c29529dc6978847d08d00Felipe Leme int dalvik_found = 0; 7338620bb4118a68721d10c29529dc6978847d08d00Felipe Leme int ifd, wfd = -1; 7348620bb4118a68721d10c29529dc6978847d08d00Felipe Leme 735f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* walk /proc and kill -QUIT all Dalvik processes */ 736f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross DIR *proc = opendir("/proc"); 737f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (proc == NULL) { 738f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fprintf(stderr, "/proc: %s\n", strerror(errno)); 739bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown goto error_close_fd; 740f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 741f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 742f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* use inotify to find when processes are done dumping */ 7438620bb4118a68721d10c29529dc6978847d08d00Felipe Leme ifd = inotify_init(); 744f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (ifd < 0) { 745f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fprintf(stderr, "inotify_init: %s\n", strerror(errno)); 746bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown goto error_close_fd; 747f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 748f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 7498620bb4118a68721d10c29529dc6978847d08d00Felipe Leme wfd = inotify_add_watch(ifd, traces_path, IN_CLOSE_WRITE); 750f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (wfd < 0) { 751f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fprintf(stderr, "inotify_add_watch(%s): %s\n", traces_path, strerror(errno)); 752bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown goto error_close_ifd; 753f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 754f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 755f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross struct dirent *d; 756f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross while ((d = readdir(proc))) { 757f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int pid = atoi(d->d_name); 758f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (pid <= 0) continue; 759f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 760bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown char path[PATH_MAX]; 761bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown char data[PATH_MAX]; 762f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross snprintf(path, sizeof(path), "/proc/%d/exe", pid); 763bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown ssize_t len = readlink(path, data, sizeof(data) - 1); 764bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown if (len <= 0) { 765f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross continue; 766f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 767bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown data[len] = '\0'; 768f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 7690d6180f122127a9541e6193e0e6eceb5b08c608cColin Cross if (!strncmp(data, "/system/bin/app_process", strlen("/system/bin/app_process"))) { 770bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown /* skip zygote -- it won't dump its stack anyway */ 771bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); 772cd67e9f059e270017d5defd8784c89dd8e6bcde7Nick Kralevich int cfd = TEMP_FAILURE_RETRY(open(path, O_RDONLY | O_CLOEXEC)); 7731dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown len = read(cfd, data, sizeof(data) - 1); 7741dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown close(cfd); 775bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown if (len <= 0) { 776bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown continue; 777bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 778bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown data[len] = '\0'; 7790d6180f122127a9541e6193e0e6eceb5b08c608cColin Cross if (!strncmp(data, "zygote", strlen("zygote"))) { 780bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown continue; 781bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 782bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown 783bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown ++dalvik_found; 78478f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme uint64_t start = DurationReporter::nanotime(); 785bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown if (kill(pid, SIGQUIT)) { 786bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown fprintf(stderr, "kill(%d, SIGQUIT): %s\n", pid, strerror(errno)); 787bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown continue; 788bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 789bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown 790bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown /* wait for the writable-close notification from inotify */ 791bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown struct pollfd pfd = { ifd, POLLIN, 0 }; 79285453ecc90a94564e586f0f97c9ec2c0cf831501Nick Vaccaro int ret = poll(&pfd, 1, 5000); /* 5 sec timeout */ 793bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown if (ret < 0) { 794bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown fprintf(stderr, "poll: %s\n", strerror(errno)); 795bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } else if (ret == 0) { 796bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown fprintf(stderr, "warning: timed out dumping pid %d\n", pid); 797bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } else { 798bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown struct inotify_event ie; 799bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown read(ifd, &ie, sizeof(ie)); 800bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 8011dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown 8021dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown if (lseek(fd, 0, SEEK_END) < 0) { 8031dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown fprintf(stderr, "lseek: %s\n", strerror(errno)); 8041dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown } else { 80531ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris dprintf(fd, "[dump dalvik stack %d: %.3fs elapsed]\n", 80678f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme pid, (float)(DurationReporter::nanotime() - start) / NANOS_PER_SEC); 8071dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown } 808bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } else if (should_dump_native_traces(data)) { 809bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown /* dump native process if appropriate */ 810bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown if (lseek(fd, 0, SEEK_END) < 0) { 811bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown fprintf(stderr, "lseek: %s\n", strerror(errno)); 812bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } else { 81331ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris static uint16_t timeout_failures = 0; 81478f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme uint64_t start = DurationReporter::nanotime(); 81531ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris 81631ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris /* If 3 backtrace dumps fail in a row, consider debuggerd dead. */ 81731ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris if (timeout_failures == 3) { 81831ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris dprintf(fd, "too many stack dump failures, skipping...\n"); 81931ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris } else if (dump_backtrace_to_file_timeout(pid, fd, 20) == -1) { 82031ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris dprintf(fd, "dumping failed, likely due to a timeout\n"); 82131ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris timeout_failures++; 82231ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris } else { 82331ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris timeout_failures = 0; 82431ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris } 82531ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris dprintf(fd, "[dump native stack %d: %.3fs elapsed]\n", 82678f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme pid, (float)(DurationReporter::nanotime() - start) / NANOS_PER_SEC); 827bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 828f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 829f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 830f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 831f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (dalvik_found == 0) { 832f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fprintf(stderr, "Warning: no Dalvik processes found to dump stacks\n"); 833f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 834f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 835f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross static char dump_traces_path[PATH_MAX]; 836f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross strlcpy(dump_traces_path, traces_path, sizeof(dump_traces_path)); 837f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross strlcat(dump_traces_path, ".bugreport", sizeof(dump_traces_path)); 838f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (rename(traces_path, dump_traces_path)) { 839f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fprintf(stderr, "rename(%s, %s): %s\n", traces_path, dump_traces_path, strerror(errno)); 840bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown goto error_close_ifd; 841f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 842bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown result = dump_traces_path; 843f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 844f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* replace the saved [ANR] traces.txt file */ 845f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross rename(anr_traces_path, traces_path); 846bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown 847bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brownerror_close_ifd: 848bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown close(ifd); 849bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brownerror_close_fd: 850bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown close(fd); 851bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown return result; 852f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 853f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 8542b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandranvoid dump_route_tables() { 85578f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme DurationReporter duration_reporter("DUMP ROUTE TABLES"); 85693d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(); 8572b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran const char* const RT_TABLES_PATH = "/data/misc/net/rt_tables"; 8582b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran dump_file("RT_TABLES", RT_TABLES_PATH); 859cd67e9f059e270017d5defd8784c89dd8e6bcde7Nick Kralevich FILE* fp = fopen(RT_TABLES_PATH, "re"); 8602b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran if (!fp) { 8612b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran printf("*** %s: %s\n", RT_TABLES_PATH, strerror(errno)); 8622b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran return; 8632b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran } 8642b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran char table[16]; 8652b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran // Each line has an integer (the table number), a space, and a string (the table name). We only 8662b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran // need the table number. It's a 32-bit unsigned number, so max 10 chars. Skip the table name. 8672b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran // Add a fixed max limit so this doesn't go awry. 8682b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran for (int i = 0; i < 64 && fscanf(fp, " %10s %*s", table) == 1; ++i) { 8692b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran run_command("ROUTE TABLE IPv4", 10, "ip", "-4", "route", "show", "table", table, NULL); 8702b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran run_command("ROUTE TABLE IPv6", 10, "ip", "-6", "route", "show", "table", table, NULL); 8712b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran } 8722b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran fclose(fp); 8732b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran} 87471bbfc57974331dce79242ce806d92035fce06baFelipe Leme 87571bbfc57974331dce79242ce806d92035fce06baFelipe Leme/* overall progress */ 87671bbfc57974331dce79242ce806d92035fce06baFelipe Lemeint progress = 0; 87708b5578b7370b11e6eeb1f2619fd9d54b0536760Felipe Lemeint do_update_progress = 0; // Set by dumpstate.cpp 878ad5f6c475934ac6a658a203069a9f055540946e7Felipe Lemeint weight_total = WEIGHT_TOTAL; 87971bbfc57974331dce79242ce806d92035fce06baFelipe Leme 88071bbfc57974331dce79242ce806d92035fce06baFelipe Leme// TODO: make this function thread safe if sections are generated in parallel. 88171bbfc57974331dce79242ce806d92035fce06baFelipe Lemevoid update_progress(int delta) { 88271bbfc57974331dce79242ce806d92035fce06baFelipe Leme if (!do_update_progress) return; 88371bbfc57974331dce79242ce806d92035fce06baFelipe Leme 88471bbfc57974331dce79242ce806d92035fce06baFelipe Leme progress += delta; 88571bbfc57974331dce79242ce806d92035fce06baFelipe Leme 88671bbfc57974331dce79242ce806d92035fce06baFelipe Leme char key[PROPERTY_KEY_MAX]; 88771bbfc57974331dce79242ce806d92035fce06baFelipe Leme char value[PROPERTY_VALUE_MAX]; 888ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme 889ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme // adjusts max on the fly 890ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme if (progress > weight_total) { 891ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme int new_total = weight_total * 1.2; 892ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme fprintf(stderr, "Adjusting total weight from %d to %d\n", weight_total, new_total); 893ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme weight_total = new_total; 894ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme sprintf(key, "dumpstate.%d.max", getpid()); 895ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme sprintf(value, "%d", weight_total); 896ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme int status = property_set(key, value); 897ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme if (status) { 898ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme ALOGW("Could not update max weight by setting system property %s to %s: %d\n", 899ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme key, value, status); 900ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme } 901ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme } 902ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme 90371bbfc57974331dce79242ce806d92035fce06baFelipe Leme sprintf(key, "dumpstate.%d.progress", getpid()); 90471bbfc57974331dce79242ce806d92035fce06baFelipe Leme sprintf(value, "%d", progress); 90571bbfc57974331dce79242ce806d92035fce06baFelipe Leme 90671bbfc57974331dce79242ce806d92035fce06baFelipe Leme // stderr is ignored on normal invocations, but useful when calling /system/bin/dumpstate 90771bbfc57974331dce79242ce806d92035fce06baFelipe Leme // directly for debuggging. 908ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme fprintf(stderr, "Setting progress (%s): %s/%d\n", key, value, weight_total); 90971bbfc57974331dce79242ce806d92035fce06baFelipe Leme 91071bbfc57974331dce79242ce806d92035fce06baFelipe Leme int status = property_set(key, value); 91171bbfc57974331dce79242ce806d92035fce06baFelipe Leme if (status) { 91271bbfc57974331dce79242ce806d92035fce06baFelipe Leme ALOGW("Could not update progress by setting system property %s to %s: %d\n", 91371bbfc57974331dce79242ce806d92035fce06baFelipe Leme key, value, status); 91471bbfc57974331dce79242ce806d92035fce06baFelipe Leme } 91571bbfc57974331dce79242ce806d92035fce06baFelipe Leme} 916e338bf60701e5b955ab0a097f2631f2190218894Felipe Leme 9173634a1e3459cb609da709646107e246cafbc01f9Felipe Lemevoid take_screenshot(const std::string& path) { 918e338bf60701e5b955ab0a097f2631f2190218894Felipe Leme const char *args[] = { "/system/bin/screencap", "-p", path.c_str(), NULL }; 919e338bf60701e5b955ab0a097f2631f2190218894Felipe Leme run_command_always(NULL, 10, args); 920e338bf60701e5b955ab0a097f2631f2190218894Felipe Leme} 921f55d402132afa4b9dd38aa69e50ec7b7efb1927cMark Salyzyn 9220c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Lemevoid vibrate(FILE* vibrator, int ms) { 9230c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme fprintf(vibrator, "%d\n", ms); 9240c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme fflush(vibrator); 9250c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme} 9260c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme 9270c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Lemebool is_dir(const char* pathname) { 9280c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme struct stat info; 9290c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme if (stat(pathname, &info) == -1) { 9300c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme return false; 9310c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme } 9320c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme return S_ISDIR(info.st_mode); 9330c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme} 9340c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme 9350c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Lemetime_t get_mtime(int fd, time_t default_mtime) { 9360c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme struct stat info; 9370c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme if (fstat(fd, &info) == -1) { 9380c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme return default_mtime; 9390c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme } 9400c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme return info.st_mtime; 9410c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme} 9420c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme 9438c8130eb68c89987a94db084608a4229bad06c18Mark Salyzynvoid dump_emmc_ecsd(const char *ext_csd_path) { 9448c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn static const size_t EXT_CSD_REV = 192; 9458c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn static const size_t EXT_PRE_EOL_INFO = 267; 9468c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn static const size_t EXT_DEVICE_LIFE_TIME_EST_TYP_A = 268; 9478c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn static const size_t EXT_DEVICE_LIFE_TIME_EST_TYP_B = 269; 9488c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn struct hex { 9498c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn char str[2]; 9508c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } buffer[512]; 9518c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn int fd, ext_csd_rev, ext_pre_eol_info; 9528c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ssize_t bytes_read; 9538c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn static const char *ver_str[] = { 9548c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "4.0", "4.1", "4.2", "4.3", "Obsolete", "4.41", "4.5", "5.0" 9558c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn }; 9568c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn static const char *eol_str[] = { 9578c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "Undefined", 9588c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "Normal", 9598c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "Warning (consumed 80% of reserve)", 9604b45d6732c649aa15799076d68e5fb5a170819bcMark Salyzyn "Urgent (consumed 90% of reserve)" 9618c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn }; 9628c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 9638c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("------ %s Extended CSD ------\n", ext_csd_path); 9648c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 9658c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn fd = TEMP_FAILURE_RETRY(open(ext_csd_path, 9668c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn O_RDONLY | O_NONBLOCK | O_CLOEXEC)); 9678c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn if (fd < 0) { 9688c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("*** %s: %s\n\n", ext_csd_path, strerror(errno)); 9698c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn return; 9708c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 9718c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 9728c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn bytes_read = TEMP_FAILURE_RETRY(read(fd, buffer, sizeof(buffer))); 9738c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn close(fd); 9748c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn if (bytes_read < 0) { 9758c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("*** %s: %s\n\n", ext_csd_path, strerror(errno)); 9768c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn return; 9778c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 9784b45d6732c649aa15799076d68e5fb5a170819bcMark Salyzyn if (bytes_read < (ssize_t)(EXT_CSD_REV * sizeof(struct hex))) { 9798c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("*** %s: truncated content %zd\n\n", ext_csd_path, bytes_read); 9808c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn return; 9818c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 9828c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 9838c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_csd_rev = 0; 9848c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn if (sscanf(buffer[EXT_CSD_REV].str, "%02x", &ext_csd_rev) != 1) { 9858c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("*** %s: EXT_CSD_REV parse error \"%.2s\"\n\n", 9868c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_csd_path, buffer[EXT_CSD_REV].str); 9878c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn return; 9888c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 9898c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 9908c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("rev 1.%d (MMC %s)\n", 9918c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_csd_rev, 9928c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn (ext_csd_rev < (int)(sizeof(ver_str) / sizeof(ver_str[0]))) ? 9938c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ver_str[ext_csd_rev] : 9948c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "Unknown"); 9958c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn if (ext_csd_rev < 7) { 9968c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("\n"); 9978c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn return; 9988c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 9998c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 10004b45d6732c649aa15799076d68e5fb5a170819bcMark Salyzyn if (bytes_read < (ssize_t)(EXT_PRE_EOL_INFO * sizeof(struct hex))) { 10018c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("*** %s: truncated content %zd\n\n", ext_csd_path, bytes_read); 10028c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn return; 10038c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 10048c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 10058c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_pre_eol_info = 0; 10068c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn if (sscanf(buffer[EXT_PRE_EOL_INFO].str, "%02x", &ext_pre_eol_info) != 1) { 10078c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("*** %s: PRE_EOL_INFO parse error \"%.2s\"\n\n", 10088c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_csd_path, buffer[EXT_PRE_EOL_INFO].str); 10098c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn return; 10108c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 10118c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("PRE_EOL_INFO %d (MMC %s)\n", 10128c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_pre_eol_info, 10138c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn eol_str[(ext_pre_eol_info < (int) 10148c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn (sizeof(eol_str) / sizeof(eol_str[0]))) ? 10158c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_pre_eol_info : 0]); 10168c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 10178c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn for (size_t lifetime = EXT_DEVICE_LIFE_TIME_EST_TYP_A; 10188c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn lifetime <= EXT_DEVICE_LIFE_TIME_EST_TYP_B; 10198c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ++lifetime) { 10208c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn int ext_device_life_time_est; 10218c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn static const char *est_str[] = { 10228c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "Undefined", 10238c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "0-10% of device lifetime used", 10248c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "10-20% of device lifetime used", 10258c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "20-30% of device lifetime used", 10268c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "30-40% of device lifetime used", 10278c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "40-50% of device lifetime used", 10288c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "50-60% of device lifetime used", 10298c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "60-70% of device lifetime used", 10308c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "70-80% of device lifetime used", 10318c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "80-90% of device lifetime used", 10328c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "90-100% of device lifetime used", 10338c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "Exceeded the maximum estimated device lifetime", 10348c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn }; 10358c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 10364b45d6732c649aa15799076d68e5fb5a170819bcMark Salyzyn if (bytes_read < (ssize_t)(lifetime * sizeof(struct hex))) { 10378c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("*** %s: truncated content %zd\n", ext_csd_path, bytes_read); 10388c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn break; 10398c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 10408c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 10418c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_device_life_time_est = 0; 10428c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn if (sscanf(buffer[lifetime].str, "%02x", &ext_device_life_time_est) != 1) { 10438c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("*** %s: DEVICE_LIFE_TIME_EST_TYP_%c parse error \"%.2s\"\n", 10448c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_csd_path, 10458c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn (unsigned)(lifetime - EXT_DEVICE_LIFE_TIME_EST_TYP_A) + 'A', 10468c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn buffer[lifetime].str); 10478c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn continue; 10488c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 10498c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("DEVICE_LIFE_TIME_EST_TYP_%c %d (MMC %s)\n", 10508c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn (unsigned)(lifetime - EXT_DEVICE_LIFE_TIME_EST_TYP_A) + 'A', 10518c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_device_life_time_est, 10528c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn est_str[(ext_device_life_time_est < (int) 10538c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn (sizeof(est_str) / sizeof(est_str[0]))) ? 10548c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_device_life_time_est : 0]); 10558c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 10568c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 10578c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("\n"); 10588c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn} 1059