LogStatistics.cpp revision 0eeb06b932f185e10377e4494475d2cdd6adfa1b
134facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn/* 234facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn * Copyright (C) 2014 The Android Open Source Project 334facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn * 434facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn * Licensed under the Apache License, Version 2.0 (the "License"); 534facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn * you may not use this file except in compliance with the License. 634facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn * You may obtain a copy of the License at 734facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn * 834facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn * http://www.apache.org/licenses/LICENSE-2.0 934facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn * 1034facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn * Unless required by applicable law or agreed to in writing, software 1134facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn * distributed under the License is distributed on an "AS IS" BASIS, 1234facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1334facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn * See the License for the specific language governing permissions and 1434facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn * limitations under the License. 1534facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn */ 1634facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 179a03863e88da99ba010342c874252089dd771f7fMark Salyzyn#include <fcntl.h> 18b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn#include <pwd.h> 1997c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn#include <stdio.h> 2097c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn#include <string.h> 21b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn#include <sys/types.h> 2297c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn#include <unistd.h> 2334facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 249af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn#include <list> 259af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn 26aeaaf81c2cc8366ac4f66eb3d2fc85f9b8194982Mark Salyzyn#include <android/log.h> 2734facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 2834facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn#include "LogStatistics.h" 2934facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 307718778793b106498b931dd708a466cf3a6f6a0fMark SalyzynLogStatistics::LogStatistics() : enable(false) { 3197c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn log_id_for_each(id) { 3297c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn mSizes[id] = 0; 3397c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn mElements[id] = 0; 3458b8be8906f903ac3d83c41bcb0fb9c7841945f0Mark Salyzyn mDroppedElements[id] = 0; 3597c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn mSizesTotal[id] = 0; 3697c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn mElementsTotal[id] = 0; 3734facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn } 3834facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn} 3934facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 40720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzynnamespace android { 41720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn 4297c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn// caller must own and free character string 4381b3eabc49736b89c4f99940f79785074955eaa5Mark Salyzynchar *pidToName(pid_t pid) { 449a03863e88da99ba010342c874252089dd771f7fMark Salyzyn char *retval = NULL; 45ae4d928d816e30dbe57c2c321b0f0759d0567b3fMark Salyzyn if (pid == 0) { // special case from auditd/klogd for kernel 46ae4d928d816e30dbe57c2c321b0f0759d0567b3fMark Salyzyn retval = strdup("logd"); 4797c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn } else { 489a03863e88da99ba010342c874252089dd771f7fMark Salyzyn char buffer[512]; 499a03863e88da99ba010342c874252089dd771f7fMark Salyzyn snprintf(buffer, sizeof(buffer), "/proc/%u/cmdline", pid); 509a03863e88da99ba010342c874252089dd771f7fMark Salyzyn int fd = open(buffer, O_RDONLY); 519a03863e88da99ba010342c874252089dd771f7fMark Salyzyn if (fd >= 0) { 529a03863e88da99ba010342c874252089dd771f7fMark Salyzyn ssize_t ret = read(fd, buffer, sizeof(buffer)); 539a03863e88da99ba010342c874252089dd771f7fMark Salyzyn if (ret > 0) { 549a03863e88da99ba010342c874252089dd771f7fMark Salyzyn buffer[sizeof(buffer)-1] = '\0'; 559a03863e88da99ba010342c874252089dd771f7fMark Salyzyn // frameworks intermediate state 560eeb06b932f185e10377e4494475d2cdd6adfa1bMark Salyzyn if (fastcmp<strcmp>(buffer, "<pre-initialized>")) { 579a03863e88da99ba010342c874252089dd771f7fMark Salyzyn retval = strdup(buffer); 589a03863e88da99ba010342c874252089dd771f7fMark Salyzyn } 599a03863e88da99ba010342c874252089dd771f7fMark Salyzyn } 609a03863e88da99ba010342c874252089dd771f7fMark Salyzyn close(fd); 619a03863e88da99ba010342c874252089dd771f7fMark Salyzyn } 629a03863e88da99ba010342c874252089dd771f7fMark Salyzyn } 639a03863e88da99ba010342c874252089dd771f7fMark Salyzyn return retval; 649a03863e88da99ba010342c874252089dd771f7fMark Salyzyn} 659a03863e88da99ba010342c874252089dd771f7fMark Salyzyn 66720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn} 67720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn 68758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzynvoid LogStatistics::add(LogBufferElement *element) { 69758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn log_id_t log_id = element->getLogId(); 70758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn unsigned short size = element->getMsgLen(); 7197c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn mSizes[log_id] += size; 7297c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn ++mElements[log_id]; 7334facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 7497c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn mSizesTotal[log_id] += size; 7597c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn ++mElementsTotal[log_id]; 76720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn 77ae4d928d816e30dbe57c2c321b0f0759d0567b3fMark Salyzyn if (log_id == LOG_ID_KERNEL) { 78ae4d928d816e30dbe57c2c321b0f0759d0567b3fMark Salyzyn return; 79ae4d928d816e30dbe57c2c321b0f0759d0567b3fMark Salyzyn } 80ae4d928d816e30dbe57c2c321b0f0759d0567b3fMark Salyzyn 81758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn uidTable[log_id].add(element->getUid(), element); 82bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn if (element->getUid() == AID_SYSTEM) { 83bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn pidSystemTable[log_id].add(element->getPid(), element); 84bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn } 85ae4d928d816e30dbe57c2c321b0f0759d0567b3fMark Salyzyn 86720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn if (!enable) { 87720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn return; 88720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn } 89720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn 90758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn pidTable.add(element->getPid(), element); 91758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn tidTable.add(element->getTid(), element); 92344bff4391dd434dda501e812f18f524290c5a7cMark Salyzyn 93758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn uint32_t tag = element->getTag(); 94344bff4391dd434dda501e812f18f524290c5a7cMark Salyzyn if (tag) { 95083b037c0740ca00f72429e4457bfdd4b4d4dfa7Mark Salyzyn if (log_id == LOG_ID_SECURITY) { 96083b037c0740ca00f72429e4457bfdd4b4d4dfa7Mark Salyzyn securityTagTable.add(tag, element); 97083b037c0740ca00f72429e4457bfdd4b4d4dfa7Mark Salyzyn } else { 98083b037c0740ca00f72429e4457bfdd4b4d4dfa7Mark Salyzyn tagTable.add(tag, element); 99083b037c0740ca00f72429e4457bfdd4b4d4dfa7Mark Salyzyn } 100344bff4391dd434dda501e812f18f524290c5a7cMark Salyzyn } 10134facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn} 10234facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 103758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzynvoid LogStatistics::subtract(LogBufferElement *element) { 104758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn log_id_t log_id = element->getLogId(); 105758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn unsigned short size = element->getMsgLen(); 10697c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn mSizes[log_id] -= size; 10797c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn --mElements[log_id]; 10858b8be8906f903ac3d83c41bcb0fb9c7841945f0Mark Salyzyn if (element->getDropped()) { 10958b8be8906f903ac3d83c41bcb0fb9c7841945f0Mark Salyzyn --mDroppedElements[log_id]; 11058b8be8906f903ac3d83c41bcb0fb9c7841945f0Mark Salyzyn } 11134facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 112ae4d928d816e30dbe57c2c321b0f0759d0567b3fMark Salyzyn if (log_id == LOG_ID_KERNEL) { 113ae4d928d816e30dbe57c2c321b0f0759d0567b3fMark Salyzyn return; 114ae4d928d816e30dbe57c2c321b0f0759d0567b3fMark Salyzyn } 115ae4d928d816e30dbe57c2c321b0f0759d0567b3fMark Salyzyn 116758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn uidTable[log_id].subtract(element->getUid(), element); 117bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn if (element->getUid() == AID_SYSTEM) { 118bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn pidSystemTable[log_id].subtract(element->getPid(), element); 119bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn } 12034facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 121720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn if (!enable) { 122720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn return; 12334facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn } 12434facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 125758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn pidTable.subtract(element->getPid(), element); 126758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn tidTable.subtract(element->getTid(), element); 127344bff4391dd434dda501e812f18f524290c5a7cMark Salyzyn 128758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn uint32_t tag = element->getTag(); 129344bff4391dd434dda501e812f18f524290c5a7cMark Salyzyn if (tag) { 130083b037c0740ca00f72429e4457bfdd4b4d4dfa7Mark Salyzyn if (log_id == LOG_ID_SECURITY) { 131083b037c0740ca00f72429e4457bfdd4b4d4dfa7Mark Salyzyn securityTagTable.subtract(tag, element); 132083b037c0740ca00f72429e4457bfdd4b4d4dfa7Mark Salyzyn } else { 133083b037c0740ca00f72429e4457bfdd4b4d4dfa7Mark Salyzyn tagTable.subtract(tag, element); 134083b037c0740ca00f72429e4457bfdd4b4d4dfa7Mark Salyzyn } 135344bff4391dd434dda501e812f18f524290c5a7cMark Salyzyn } 136c8a576c637ae00577273b778498019dd609fcd15Mark Salyzyn} 137c8a576c637ae00577273b778498019dd609fcd15Mark Salyzyn 138ab0dcf682867bd7e1fdebfd8d8f9fafaccfad7f6Mark Salyzyn// Atomically set an entry to drop 139ab0dcf682867bd7e1fdebfd8d8f9fafaccfad7f6Mark Salyzyn// entry->setDropped(1) must follow this call, caller should do this explicitly. 140758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzynvoid LogStatistics::drop(LogBufferElement *element) { 141758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn log_id_t log_id = element->getLogId(); 142758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn unsigned short size = element->getMsgLen(); 143ab0dcf682867bd7e1fdebfd8d8f9fafaccfad7f6Mark Salyzyn mSizes[log_id] -= size; 14458b8be8906f903ac3d83c41bcb0fb9c7841945f0Mark Salyzyn ++mDroppedElements[log_id]; 145ab0dcf682867bd7e1fdebfd8d8f9fafaccfad7f6Mark Salyzyn 146758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn uidTable[log_id].drop(element->getUid(), element); 147bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn if (element->getUid() == AID_SYSTEM) { 148bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn pidSystemTable[log_id].drop(element->getPid(), element); 149bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn } 150ab0dcf682867bd7e1fdebfd8d8f9fafaccfad7f6Mark Salyzyn 151ab0dcf682867bd7e1fdebfd8d8f9fafaccfad7f6Mark Salyzyn if (!enable) { 152ab0dcf682867bd7e1fdebfd8d8f9fafaccfad7f6Mark Salyzyn return; 153ab0dcf682867bd7e1fdebfd8d8f9fafaccfad7f6Mark Salyzyn } 154ab0dcf682867bd7e1fdebfd8d8f9fafaccfad7f6Mark Salyzyn 155758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn pidTable.drop(element->getPid(), element); 156758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn tidTable.drop(element->getTid(), element); 1576a06694a610d103afdf424b0bb69dc8f7f2b8e5aMark Salyzyn 1586a06694a610d103afdf424b0bb69dc8f7f2b8e5aMark Salyzyn uint32_t tag = element->getTag(); 1596a06694a610d103afdf424b0bb69dc8f7f2b8e5aMark Salyzyn if (tag) { 1606a06694a610d103afdf424b0bb69dc8f7f2b8e5aMark Salyzyn if (log_id == LOG_ID_SECURITY) { 1616a06694a610d103afdf424b0bb69dc8f7f2b8e5aMark Salyzyn securityTagTable.drop(tag, element); 1626a06694a610d103afdf424b0bb69dc8f7f2b8e5aMark Salyzyn } else { 1636a06694a610d103afdf424b0bb69dc8f7f2b8e5aMark Salyzyn tagTable.drop(tag, element); 1646a06694a610d103afdf424b0bb69dc8f7f2b8e5aMark Salyzyn } 1656a06694a610d103afdf424b0bb69dc8f7f2b8e5aMark Salyzyn } 166ab0dcf682867bd7e1fdebfd8d8f9fafaccfad7f6Mark Salyzyn} 167ab0dcf682867bd7e1fdebfd8d8f9fafaccfad7f6Mark Salyzyn 16897c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn// caller must own and free character string 169758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzynconst char *LogStatistics::uidToName(uid_t uid) const { 17097c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn // Local hard coded favourites 17197c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn if (uid == AID_LOGD) { 17297c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn return strdup("auditd"); 17334facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn } 17434facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 175b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn // Android system 176b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn if (uid < AID_APP) { 177b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn // in bionic, thread safe as long as we copy the results 178b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn struct passwd *pwd = getpwuid(uid); 179b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn if (pwd) { 180b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn return strdup(pwd->pw_name); 18134facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn } 18234facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn } 18334facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 18408739ba71fc1f2659149be760405d622e5b68f06Mark Salyzyn // Parse /data/system/packages.list 185023f51f360472f6bb9bad495e55cdb32b5411bc5Mark Salyzyn uid_t userId = uid % AID_USER; 186758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn const char *name = android::uidToName(userId); 187023f51f360472f6bb9bad495e55cdb32b5411bc5Mark Salyzyn if (!name && (userId > (AID_SHARED_GID_START - AID_APP))) { 188023f51f360472f6bb9bad495e55cdb32b5411bc5Mark Salyzyn name = android::uidToName(userId - (AID_SHARED_GID_START - AID_APP)); 189023f51f360472f6bb9bad495e55cdb32b5411bc5Mark Salyzyn } 19008739ba71fc1f2659149be760405d622e5b68f06Mark Salyzyn if (name) { 19108739ba71fc1f2659149be760405d622e5b68f06Mark Salyzyn return name; 19208739ba71fc1f2659149be760405d622e5b68f06Mark Salyzyn } 193720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn 194b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn // Android application 195b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn if (uid >= AID_APP) { 196b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn struct passwd *pwd = getpwuid(uid); 197b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn if (pwd) { 198b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn return strdup(pwd->pw_name); 199b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn } 200b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn } 201b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn 202720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn // report uid -> pid(s) -> pidToName if unique 203758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn for(pidTable_t::const_iterator it = pidTable.begin(); it != pidTable.end(); ++it) { 204511338dd575572d567c04d69eaea60627b6c3452Mark Salyzyn const PidEntry &entry = it->second; 205720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn 206720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn if (entry.getUid() == uid) { 207758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn const char *nameTmp = entry.getName(); 208720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn 209758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn if (nameTmp) { 210720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn if (!name) { 211758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn name = strdup(nameTmp); 2120eeb06b932f185e10377e4494475d2cdd6adfa1bMark Salyzyn } else if (fastcmp<strcmp>(name, nameTmp)) { 213758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn free(const_cast<char *>(name)); 214023f51f360472f6bb9bad495e55cdb32b5411bc5Mark Salyzyn name = NULL; 215023f51f360472f6bb9bad495e55cdb32b5411bc5Mark Salyzyn break; 216720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn } 217720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn } 218720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn } 219720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn } 220720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn 22197c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn // No one 222720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn return name; 22334facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn} 22434facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 225758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzynstd::string UidEntry::formatHeader(const std::string &name, log_id_t id) const { 226758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn bool isprune = worstUidEnabledForLogid(id); 227758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn return formatLine(android::base::StringPrintf( 228758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn name.c_str(), android_log_id_to_name(id)), 229758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string("Size"), 230c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn std::string(isprune ? "+/- Pruned" : "")) 231758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn + formatLine(std::string("UID PACKAGE"), 232758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string("BYTES"), 233758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string(isprune ? "NUM" : "")); 234758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn} 235758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 236c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzynstd::string UidEntry::format(const LogStatistics &stat, log_id_t id) const { 237ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn uid_t uid = getUid(); 238758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string name = android::base::StringPrintf("%u", uid); 239758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn const char *nameTmp = stat.uidToName(uid); 240758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn if (nameTmp) { 241758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn name += android::base::StringPrintf( 242758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn "%*s%s", (int)std::max(6 - name.length(), (size_t)1), 243758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn "", nameTmp); 244758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn free(const_cast<char *>(nameTmp)); 245758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn } 246758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 247758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string size = android::base::StringPrintf("%zu", getSizes()); 248758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 249758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string pruned = ""; 250c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn if (worstUidEnabledForLogid(id)) { 251c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn size_t totalDropped = 0; 252c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn for (LogStatistics::uidTable_t::const_iterator it = stat.uidTable[id].begin(); 253c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn it != stat.uidTable[id].end(); ++it) { 254c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn totalDropped += it->second.getDropped(); 255c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn } 256c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn size_t sizes = stat.sizes(id); 257c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn size_t totalSize = stat.sizesTotal(id); 258c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn size_t totalElements = stat.elementsTotal(id); 259c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn float totalVirtualSize = (float)sizes + (float)totalDropped * totalSize 260c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn / totalElements; 261c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn size_t entrySize = getSizes(); 262c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn float virtualEntrySize = entrySize; 263c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn int realPermille = virtualEntrySize * 1000.0 / sizes; 264c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn size_t dropped = getDropped(); 265c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn if (dropped) { 266c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn pruned = android::base::StringPrintf("%zu", dropped); 267c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn virtualEntrySize += (float)dropped * totalSize / totalElements; 268c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn } 269c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn int virtualPermille = virtualEntrySize * 1000.0 / totalVirtualSize; 270c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn int permille = (realPermille - virtualPermille) * 1000L 271c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn / (virtualPermille ?: 1); 272c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn if ((permille < -1) || (1 < permille)) { 273c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn std::string change; 274c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn const char *units = "%"; 275c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn const char *prefix = (permille > 0) ? "+" : ""; 276c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn 277c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn if (permille > 999) { 278c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn permille = (permille + 1000) / 100; // Now tenths fold 279c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn units = "X"; 280c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn prefix = ""; 281c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn } 282c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn if ((-99 < permille) && (permille < 99)) { 283c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn change = android::base::StringPrintf("%s%d.%u%s", 284c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn prefix, 285c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn permille / 10, 286c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn ((permille < 0) ? (-permille % 10) : (permille % 10)), 287c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn units); 288c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn } else { 289c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn change = android::base::StringPrintf("%s%d%s", 290c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn prefix, 291c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn (permille + 5) / 10, units); 292c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn } 293c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn ssize_t spaces = EntryBaseConstants::pruned_len 294c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn - 2 - pruned.length() - change.length(); 295c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn if ((spaces <= 0) && pruned.length()) { 296c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn spaces = 1; 297c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn } 2980adcc3e3e8bd6d7c57994f828ee22c104b4eb043Mark Salyzyn if ((spaces > 0) && (pruned.length() != 0)) { 299c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn change += android::base::StringPrintf("%*s", (int)spaces, ""); 300c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn } 301c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn pruned = change + pruned; 302c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn } 303758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn } 304758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 305bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn std::string output = formatLine(name, size, pruned); 306bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn 307bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn if (uid != AID_SYSTEM) { 308bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn return output; 309bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn } 310bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn 311bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn static const size_t maximum_sorted_entries = 32; 312bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn std::unique_ptr<const PidEntry *[]> sorted 313bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn = stat.pidSystemTable[id].sort(uid, (pid_t)0, maximum_sorted_entries); 314bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn 315bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn if (!sorted.get()) { 316bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn return output; 317bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn } 318bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn std::string byPid; 319bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn size_t index; 320bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn bool hasDropped = false; 321bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn for (index = 0; index < maximum_sorted_entries; ++index) { 322bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn const PidEntry *entry = sorted[index]; 323bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn if (!entry) { 324bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn break; 325bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn } 326bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn if (entry->getSizes() <= (getSizes() / 100)) { 327bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn break; 328bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn } 329bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn if (entry->getDropped()) { 330bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn hasDropped = true; 331bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn } 332bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn byPid += entry->format(stat, id); 333bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn } 334bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn if (index > 1) { // print this only if interesting 335bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn std::string ditto("\" "); 336bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn output += formatLine(std::string(" PID/UID COMMAND LINE"), 337bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn ditto, hasDropped ? ditto : std::string("")); 338bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn output += byPid; 339bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn } 340bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn 341bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn return output; 342758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn} 343758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 344758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzynstd::string PidEntry::formatHeader(const std::string &name, log_id_t /* id */) const { 345758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn return formatLine(name, 346758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string("Size"), 347758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string("Pruned")) 348758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn + formatLine(std::string(" PID/UID COMMAND LINE"), 349758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string("BYTES"), 350758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string("NUM")); 351758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn} 352758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 353758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzynstd::string PidEntry::format(const LogStatistics &stat, log_id_t /* id */) const { 354758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn uid_t uid = getUid(); 355ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn pid_t pid = getPid(); 356ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn std::string name = android::base::StringPrintf("%5u/%u", pid, uid); 357758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn const char *nameTmp = getName(); 358758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn if (nameTmp) { 359758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn name += android::base::StringPrintf( 360758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn "%*s%s", (int)std::max(12 - name.length(), (size_t)1), 361758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn "", nameTmp); 362758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn } else if ((nameTmp = stat.uidToName(uid))) { 363758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn name += android::base::StringPrintf( 364758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn "%*s%s", (int)std::max(12 - name.length(), (size_t)1), 365758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn "", nameTmp); 366758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn free(const_cast<char *>(nameTmp)); 367758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn } 368758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 369758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string size = android::base::StringPrintf("%zu", 370758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn getSizes()); 371758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 372758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string pruned = ""; 373758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn size_t dropped = getDropped(); 374758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn if (dropped) { 375758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn pruned = android::base::StringPrintf("%zu", dropped); 376758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn } 377758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 378758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn return formatLine(name, size, pruned); 379758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn} 380758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 381758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzynstd::string TidEntry::formatHeader(const std::string &name, log_id_t /* id */) const { 382758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn return formatLine(name, 383758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string("Size"), 384758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string("Pruned")) 385758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn + formatLine(std::string(" TID/UID COMM"), 386758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string("BYTES"), 387758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string("NUM")); 388758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn} 389758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 390758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzynstd::string TidEntry::format(const LogStatistics &stat, log_id_t /* id */) const { 391758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn uid_t uid = getUid(); 392758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string name = android::base::StringPrintf("%5u/%u", 393ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn getTid(), uid); 394758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn const char *nameTmp = getName(); 395758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn if (nameTmp) { 396758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn name += android::base::StringPrintf( 397758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn "%*s%s", (int)std::max(12 - name.length(), (size_t)1), 398758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn "", nameTmp); 399758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn } else if ((nameTmp = stat.uidToName(uid))) { 400758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn // if we do not have a PID name, lets punt to try UID name? 401758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn name += android::base::StringPrintf( 402758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn "%*s%s", (int)std::max(12 - name.length(), (size_t)1), 403758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn "", nameTmp); 404758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn free(const_cast<char *>(nameTmp)); 405758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn // We tried, better to not have a name at all, we still 406758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn // have TID/UID by number to report in any case. 407758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn } 408758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 409758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string size = android::base::StringPrintf("%zu", 410758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn getSizes()); 411758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 412758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string pruned = ""; 413758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn size_t dropped = getDropped(); 414758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn if (dropped) { 415758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn pruned = android::base::StringPrintf("%zu", dropped); 416758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn } 417758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 418758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn return formatLine(name, size, pruned); 419758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn} 420758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 421758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzynstd::string TagEntry::formatHeader(const std::string &name, log_id_t id) const { 422758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn bool isprune = worstUidEnabledForLogid(id); 423758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn return formatLine(name, 424758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string("Size"), 425758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string(isprune ? "Prune" : "")) 426758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn + formatLine(std::string(" TAG/UID TAGNAME"), 427758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string("BYTES"), 428758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string(isprune ? "NUM" : "")); 429758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn} 430758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 431758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzynstd::string TagEntry::format(const LogStatistics & /* stat */, log_id_t /* id */) const { 432758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string name; 433758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn uid_t uid = getUid(); 434758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn if (uid == (uid_t)-1) { 435758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn name = android::base::StringPrintf("%7u", 436758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn getKey()); 437ab0dcf682867bd7e1fdebfd8d8f9fafaccfad7f6Mark Salyzyn } else { 438758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn name = android::base::StringPrintf("%7u/%u", 439758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn getKey(), uid); 440ab0dcf682867bd7e1fdebfd8d8f9fafaccfad7f6Mark Salyzyn } 441807e40ecc9786755e2f74a7a6a9b20c812588119Mark Salyzyn size_t len = 0; 442807e40ecc9786755e2f74a7a6a9b20c812588119Mark Salyzyn const char *nameTmp = getName(len); 443758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn if (nameTmp) { 444758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn name += android::base::StringPrintf( 445807e40ecc9786755e2f74a7a6a9b20c812588119Mark Salyzyn "%*s%.*s", (int)std::max(14 - name.length(), (size_t)1), 446807e40ecc9786755e2f74a7a6a9b20c812588119Mark Salyzyn "", (int)len, nameTmp); 447758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn } 448758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 449758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string size = android::base::StringPrintf("%zu", 450758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn getSizes()); 451758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 452758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string pruned = ""; 4536a06694a610d103afdf424b0bb69dc8f7f2b8e5aMark Salyzyn size_t dropped = getDropped(); 4546a06694a610d103afdf424b0bb69dc8f7f2b8e5aMark Salyzyn if (dropped) { 4556a06694a610d103afdf424b0bb69dc8f7f2b8e5aMark Salyzyn pruned = android::base::StringPrintf("%zu", dropped); 4566a06694a610d103afdf424b0bb69dc8f7f2b8e5aMark Salyzyn } 457758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 458758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn return formatLine(name, size, pruned); 45934facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn} 46034facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 461ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzynstd::string LogStatistics::format(uid_t uid, pid_t pid, 462ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn unsigned int logMask) const { 4639a03863e88da99ba010342c874252089dd771f7fMark Salyzyn static const unsigned short spaces_total = 19; 46434facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 46597c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn // Report on total logging, current and for all time 46697c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn 467decbcd9c418a4d076965971e74fd51fab497414bMark Salyzyn std::string output = "size/num"; 46834facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn size_t oldLength; 46997c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn short spaces = 1; 47034facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 47197c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn log_id_for_each(id) { 4729af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (!(logMask & (1 << id))) continue; 47397c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn oldLength = output.length(); 4749af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (spaces < 0) spaces = 0; 475decbcd9c418a4d076965971e74fd51fab497414bMark Salyzyn output += android::base::StringPrintf("%*s%s", spaces, "", 476decbcd9c418a4d076965971e74fd51fab497414bMark Salyzyn android_log_id_to_name(id)); 47797c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn spaces += spaces_total + oldLength - output.length(); 47897c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn } 4799af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (spaces < 0) spaces = 0; 4809af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn output += android::base::StringPrintf("%*sTotal", spaces, ""); 481c8a576c637ae00577273b778498019dd609fcd15Mark Salyzyn 4829af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn static const char TotalStr[] = "\nTotal"; 4839af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn spaces = 10 - strlen(TotalStr); 4849af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn output += TotalStr; 485c8a576c637ae00577273b778498019dd609fcd15Mark Salyzyn 4869af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn size_t totalSize = 0; 4879af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn size_t totalEls = 0; 48897c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn log_id_for_each(id) { 4899af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (!(logMask & (1 << id))) continue; 49097c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn oldLength = output.length(); 4919af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (spaces < 0) spaces = 0; 4929af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn size_t szs = sizesTotal(id); 4939af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn totalSize += szs; 4949af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn size_t els = elementsTotal(id); 4959af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn totalEls += els; 4969af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn output += android::base::StringPrintf("%*s%zu/%zu", spaces, "", szs, els); 49797c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn spaces += spaces_total + oldLength - output.length(); 49834facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn } 4999af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (spaces < 0) spaces = 0; 5009af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn output += android::base::StringPrintf("%*s%zu/%zu", spaces, "", totalSize, totalEls); 50134facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 5029af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn static const char NowStr[] = "\nNow"; 5039af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn spaces = 10 - strlen(NowStr); 5049af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn output += NowStr; 50534facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 5069af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn totalSize = 0; 5079af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn totalEls = 0; 50897c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn log_id_for_each(id) { 5099af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (!(logMask & (1 << id))) continue; 5109af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn 5119af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn size_t els = elements(id); 5129af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (els) { 5139af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn oldLength = output.length(); 5149af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (spaces < 0) spaces = 0; 5159af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn size_t szs = sizes(id); 5169af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn totalSize += szs; 5179af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn totalEls += els; 5189af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn output += android::base::StringPrintf("%*s%zu/%zu", spaces, "", szs, els); 5199af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn spaces -= output.length() - oldLength; 52034facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn } 5219af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn spaces += spaces_total; 5229af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn } 5239af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (spaces < 0) spaces = 0; 5249af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn output += android::base::StringPrintf("%*s%zu/%zu", spaces, "", totalSize, totalEls); 5259af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn 5269af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn static const char OverheadStr[] = "\nOverhead"; 5279af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn spaces = 10 - strlen(OverheadStr); 5289af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn output += OverheadStr; 5299af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn 5309af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn totalSize = 0; 5319af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn log_id_for_each(id) { 5329af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (!(logMask & (1 << id))) continue; 53334facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 53497c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn size_t els = elements(id); 53534facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn if (els) { 53697c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn oldLength = output.length(); 5379af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (spaces < 0) spaces = 0; 5389af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn // estimate the std::list overhead. 5399af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn static const size_t overhead = 5409af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn ((sizeof(LogBufferElement) + sizeof(uint64_t) - 1) & 5419af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn -sizeof(uint64_t)) + 5429af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn sizeof(std::list<LogBufferElement*>); 5439af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn size_t szs = sizes(id) + els * overhead; 5449af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn totalSize += szs; 5459af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn output += android::base::StringPrintf("%*s%zu", spaces, "", szs); 54697c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn spaces -= output.length() - oldLength; 54734facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn } 54834facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn spaces += spaces_total; 54934facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn } 5506d981af12023bcaf22bfa0612a85ae4580ecb971Mark Salyzyn totalSize += sizeOf(); 5519af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (spaces < 0) spaces = 0; 5529af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn output += android::base::StringPrintf("%*s%zu", spaces, "", totalSize); 55334facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 55497c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn // Report on Chattiest 5558e72c5384b288bc11af60e12686a44e502633e3dMark Salyzyn 556758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string name; 557758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 55897c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn // Chattiest by application (UID) 55997c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn log_id_for_each(id) { 5609af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (!(logMask & (1 << id))) continue; 5618e72c5384b288bc11af60e12686a44e502633e3dMark Salyzyn 562758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn name = (uid == AID_ROOT) 563758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn ? "Chattiest UIDs in %s log buffer:" 564758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn : "Logging for your UID in %s log buffer:"; 565ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn output += uidTable[id].format(*this, uid, pid, name, id); 566720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn } 56797c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn 568720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn if (enable) { 569ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn name = ((uid == AID_ROOT) && !pid) 570ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn ? "Chattiest PIDs:" 571ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn : "Logging for this PID:"; 572ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn output += pidTable.format(*this, uid, pid, name); 573ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn name = "Chattiest TIDs"; 5749af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (pid) name += android::base::StringPrintf(" for PID %d", pid); 575ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn name += ":"; 576ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn output += tidTable.format(*this, uid, pid, name); 57717ed6797df722464eb5cc6dfc3e1e32aec284b70Mark Salyzyn } 57817ed6797df722464eb5cc6dfc3e1e32aec284b70Mark Salyzyn 579344bff4391dd434dda501e812f18f524290c5a7cMark Salyzyn if (enable && (logMask & (1 << LOG_ID_EVENTS))) { 580ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn name = "Chattiest events log buffer TAGs"; 5819af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (pid) name += android::base::StringPrintf(" for PID %d", pid); 582ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn name += ":"; 583ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn output += tagTable.format(*this, uid, pid, name, LOG_ID_EVENTS); 584344bff4391dd434dda501e812f18f524290c5a7cMark Salyzyn } 585344bff4391dd434dda501e812f18f524290c5a7cMark Salyzyn 586083b037c0740ca00f72429e4457bfdd4b4d4dfa7Mark Salyzyn if (enable && (logMask & (1 << LOG_ID_SECURITY))) { 587ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn name = "Chattiest security log buffer TAGs"; 5889af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (pid) name += android::base::StringPrintf(" for PID %d", pid); 589ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn name += ":"; 590ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn output += securityTagTable.format(*this, uid, pid, name, LOG_ID_SECURITY); 591083b037c0740ca00f72429e4457bfdd4b4d4dfa7Mark Salyzyn } 592083b037c0740ca00f72429e4457bfdd4b4d4dfa7Mark Salyzyn 59373160acc5cb5236b30327569e6b51dbfe73e4a0fMark Salyzyn return output; 59434facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn} 5954ba0387af5acc52e43e4004ccb4c46b8bc700349Mark Salyzyn 596720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzynnamespace android { 597720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn 598720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzynuid_t pidToUid(pid_t pid) { 59997c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn char buffer[512]; 60097c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn snprintf(buffer, sizeof(buffer), "/proc/%u/status", pid); 60197c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn FILE *fp = fopen(buffer, "r"); 60297c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn if (fp) { 60397c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn while (fgets(buffer, sizeof(buffer), fp)) { 60497c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn int uid; 605c32afdf913f082235b1e66f5a57678c7f0723129Mark Salyzyn if (sscanf(buffer, "Uid: %d", &uid) == 1) { 60697c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn fclose(fp); 60797c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn return uid; 6084ba0387af5acc52e43e4004ccb4c46b8bc700349Mark Salyzyn } 6094ba0387af5acc52e43e4004ccb4c46b8bc700349Mark Salyzyn } 61097c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn fclose(fp); 6114ba0387af5acc52e43e4004ccb4c46b8bc700349Mark Salyzyn } 612e3aeeeeccc260c29ca5907a444f8d746bcc2f8a5Mark Salyzyn return AID_LOGD; // associate this with the logger 6134ba0387af5acc52e43e4004ccb4c46b8bc700349Mark Salyzyn} 614720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn 615720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn} 616720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn 617720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzynuid_t LogStatistics::pidToUid(pid_t pid) { 618511338dd575572d567c04d69eaea60627b6c3452Mark Salyzyn return pidTable.add(pid)->second.getUid(); 619720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn} 620720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn 621720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn// caller must free character string 622758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzynconst char *LogStatistics::pidToName(pid_t pid) const { 623758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn // An inconvenient truth ... getName() can alter the object 624758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn pidTable_t &writablePidTable = const_cast<pidTable_t &>(pidTable); 625758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn const char *name = writablePidTable.add(pid)->second.getName(); 62681b3eabc49736b89c4f99940f79785074955eaa5Mark Salyzyn if (!name) { 62781b3eabc49736b89c4f99940f79785074955eaa5Mark Salyzyn return NULL; 628720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn } 62981b3eabc49736b89c4f99940f79785074955eaa5Mark Salyzyn return strdup(name); 630720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn} 631