Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Mark Salyzyn | 9a03863 | 2014-04-07 07:05:40 -0700 | [diff] [blame] | 17 | #include <fcntl.h> |
Mark Salyzyn | b8a95bd | 2016-04-07 11:06:31 -0700 | [diff] [blame] | 18 | #include <pwd.h> |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 19 | #include <stdio.h> |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 20 | #include <string.h> |
Mark Salyzyn | b8a95bd | 2016-04-07 11:06:31 -0700 | [diff] [blame] | 21 | #include <sys/types.h> |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 22 | #include <unistd.h> |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 23 | |
Mark Salyzyn | 9af33ee | 2016-10-05 12:34:37 -0700 | [diff] [blame] | 24 | #include <list> |
| 25 | |
Mark Salyzyn | aeaaf81 | 2016-09-30 13:30:33 -0700 | [diff] [blame] | 26 | #include <android/log.h> |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 27 | |
| 28 | #include "LogStatistics.h" |
| 29 | |
Mark Salyzyn | 3296291 | 2016-09-12 10:29:17 -0700 | [diff] [blame] | 30 | size_t LogStatistics::SizesTotal; |
| 31 | |
Mark Salyzyn | 7718778 | 2015-05-12 15:21:31 -0700 | [diff] [blame] | 32 | LogStatistics::LogStatistics() : enable(false) { |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 33 | log_id_for_each(id) { |
| 34 | mSizes[id] = 0; |
| 35 | mElements[id] = 0; |
Mark Salyzyn | 58b8be8 | 2015-09-30 07:40:09 -0700 | [diff] [blame] | 36 | mDroppedElements[id] = 0; |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 37 | mSizesTotal[id] = 0; |
| 38 | mElementsTotal[id] = 0; |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 39 | } |
| 40 | } |
| 41 | |
Mark Salyzyn | 720f6d1 | 2015-03-16 08:26:05 -0700 | [diff] [blame] | 42 | namespace android { |
| 43 | |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 44 | size_t sizesTotal() { |
| 45 | return LogStatistics::sizesTotal(); |
| 46 | } |
Mark Salyzyn | 3296291 | 2016-09-12 10:29:17 -0700 | [diff] [blame] | 47 | |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 48 | // caller must own and free character string |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 49 | char* pidToName(pid_t pid) { |
| 50 | char* retval = NULL; |
| 51 | if (pid == 0) { // special case from auditd/klogd for kernel |
Mark Salyzyn | ae4d928 | 2014-10-15 08:49:39 -0700 | [diff] [blame] | 52 | retval = strdup("logd"); |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 53 | } else { |
Mark Salyzyn | 9a03863 | 2014-04-07 07:05:40 -0700 | [diff] [blame] | 54 | char buffer[512]; |
| 55 | snprintf(buffer, sizeof(buffer), "/proc/%u/cmdline", pid); |
| 56 | int fd = open(buffer, O_RDONLY); |
| 57 | if (fd >= 0) { |
| 58 | ssize_t ret = read(fd, buffer, sizeof(buffer)); |
| 59 | if (ret > 0) { |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 60 | buffer[sizeof(buffer) - 1] = '\0'; |
Mark Salyzyn | 9a03863 | 2014-04-07 07:05:40 -0700 | [diff] [blame] | 61 | // frameworks intermediate state |
Mark Salyzyn | 0eeb06b | 2016-12-02 10:08:48 -0800 | [diff] [blame] | 62 | if (fastcmp<strcmp>(buffer, "<pre-initialized>")) { |
Mark Salyzyn | 9a03863 | 2014-04-07 07:05:40 -0700 | [diff] [blame] | 63 | retval = strdup(buffer); |
| 64 | } |
| 65 | } |
| 66 | close(fd); |
| 67 | } |
| 68 | } |
| 69 | return retval; |
| 70 | } |
Mark Salyzyn | 720f6d1 | 2015-03-16 08:26:05 -0700 | [diff] [blame] | 71 | } |
| 72 | |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 73 | void LogStatistics::add(LogBufferElement* element) { |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 74 | log_id_t log_id = element->getLogId(); |
| 75 | unsigned short size = element->getMsgLen(); |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 76 | mSizes[log_id] += size; |
| 77 | ++mElements[log_id]; |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 78 | |
Mark Salyzyn | a2c0222 | 2016-12-13 10:31:29 -0800 | [diff] [blame] | 79 | if (element->getDropped()) { |
| 80 | ++mDroppedElements[log_id]; |
| 81 | } else { |
| 82 | // When caller adding a chatty entry, they will have already |
| 83 | // called add() and subtract() for each entry as they are |
| 84 | // evaluated and trimmed, thus recording size and number of |
| 85 | // elements, but we must recognize the manufactured dropped |
| 86 | // entry as not contributing to the lifetime totals. |
| 87 | mSizesTotal[log_id] += size; |
Mark Salyzyn | 3296291 | 2016-09-12 10:29:17 -0700 | [diff] [blame] | 88 | SizesTotal += size; |
Mark Salyzyn | a2c0222 | 2016-12-13 10:31:29 -0800 | [diff] [blame] | 89 | ++mElementsTotal[log_id]; |
| 90 | } |
Mark Salyzyn | 720f6d1 | 2015-03-16 08:26:05 -0700 | [diff] [blame] | 91 | |
Mark Salyzyn | ae4d928 | 2014-10-15 08:49:39 -0700 | [diff] [blame] | 92 | if (log_id == LOG_ID_KERNEL) { |
| 93 | return; |
| 94 | } |
| 95 | |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 96 | uidTable[log_id].add(element->getUid(), element); |
Mark Salyzyn | bec3c3d | 2015-08-28 08:02:59 -0700 | [diff] [blame] | 97 | if (element->getUid() == AID_SYSTEM) { |
| 98 | pidSystemTable[log_id].add(element->getPid(), element); |
| 99 | } |
Mark Salyzyn | ae4d928 | 2014-10-15 08:49:39 -0700 | [diff] [blame] | 100 | |
Mark Salyzyn | 720f6d1 | 2015-03-16 08:26:05 -0700 | [diff] [blame] | 101 | if (!enable) { |
| 102 | return; |
| 103 | } |
| 104 | |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 105 | pidTable.add(element->getPid(), element); |
| 106 | tidTable.add(element->getTid(), element); |
Mark Salyzyn | 344bff4 | 2015-04-13 14:24:45 -0700 | [diff] [blame] | 107 | |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 108 | uint32_t tag = element->getTag(); |
Mark Salyzyn | 344bff4 | 2015-04-13 14:24:45 -0700 | [diff] [blame] | 109 | if (tag) { |
Mark Salyzyn | 083b037 | 2015-12-04 10:59:45 -0800 | [diff] [blame] | 110 | if (log_id == LOG_ID_SECURITY) { |
| 111 | securityTagTable.add(tag, element); |
| 112 | } else { |
| 113 | tagTable.add(tag, element); |
| 114 | } |
Mark Salyzyn | 344bff4 | 2015-04-13 14:24:45 -0700 | [diff] [blame] | 115 | } |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 116 | } |
| 117 | |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 118 | void LogStatistics::subtract(LogBufferElement* element) { |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 119 | log_id_t log_id = element->getLogId(); |
| 120 | unsigned short size = element->getMsgLen(); |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 121 | mSizes[log_id] -= size; |
| 122 | --mElements[log_id]; |
Mark Salyzyn | 58b8be8 | 2015-09-30 07:40:09 -0700 | [diff] [blame] | 123 | if (element->getDropped()) { |
| 124 | --mDroppedElements[log_id]; |
| 125 | } |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 126 | |
Mark Salyzyn | ae4d928 | 2014-10-15 08:49:39 -0700 | [diff] [blame] | 127 | if (log_id == LOG_ID_KERNEL) { |
| 128 | return; |
| 129 | } |
| 130 | |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 131 | uidTable[log_id].subtract(element->getUid(), element); |
Mark Salyzyn | bec3c3d | 2015-08-28 08:02:59 -0700 | [diff] [blame] | 132 | if (element->getUid() == AID_SYSTEM) { |
| 133 | pidSystemTable[log_id].subtract(element->getPid(), element); |
| 134 | } |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 135 | |
Mark Salyzyn | 720f6d1 | 2015-03-16 08:26:05 -0700 | [diff] [blame] | 136 | if (!enable) { |
| 137 | return; |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 138 | } |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 139 | |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 140 | pidTable.subtract(element->getPid(), element); |
| 141 | tidTable.subtract(element->getTid(), element); |
Mark Salyzyn | 344bff4 | 2015-04-13 14:24:45 -0700 | [diff] [blame] | 142 | |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 143 | uint32_t tag = element->getTag(); |
Mark Salyzyn | 344bff4 | 2015-04-13 14:24:45 -0700 | [diff] [blame] | 144 | if (tag) { |
Mark Salyzyn | 083b037 | 2015-12-04 10:59:45 -0800 | [diff] [blame] | 145 | if (log_id == LOG_ID_SECURITY) { |
| 146 | securityTagTable.subtract(tag, element); |
| 147 | } else { |
| 148 | tagTable.subtract(tag, element); |
| 149 | } |
Mark Salyzyn | 344bff4 | 2015-04-13 14:24:45 -0700 | [diff] [blame] | 150 | } |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 151 | } |
| 152 | |
Mark Salyzyn | ab0dcf6 | 2015-03-16 12:04:09 -0700 | [diff] [blame] | 153 | // Atomically set an entry to drop |
| 154 | // entry->setDropped(1) must follow this call, caller should do this explicitly. |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 155 | void LogStatistics::drop(LogBufferElement* element) { |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 156 | log_id_t log_id = element->getLogId(); |
| 157 | unsigned short size = element->getMsgLen(); |
Mark Salyzyn | ab0dcf6 | 2015-03-16 12:04:09 -0700 | [diff] [blame] | 158 | mSizes[log_id] -= size; |
Mark Salyzyn | 58b8be8 | 2015-09-30 07:40:09 -0700 | [diff] [blame] | 159 | ++mDroppedElements[log_id]; |
Mark Salyzyn | ab0dcf6 | 2015-03-16 12:04:09 -0700 | [diff] [blame] | 160 | |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 161 | uidTable[log_id].drop(element->getUid(), element); |
Mark Salyzyn | bec3c3d | 2015-08-28 08:02:59 -0700 | [diff] [blame] | 162 | if (element->getUid() == AID_SYSTEM) { |
| 163 | pidSystemTable[log_id].drop(element->getPid(), element); |
| 164 | } |
Mark Salyzyn | ab0dcf6 | 2015-03-16 12:04:09 -0700 | [diff] [blame] | 165 | |
| 166 | if (!enable) { |
| 167 | return; |
| 168 | } |
| 169 | |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 170 | pidTable.drop(element->getPid(), element); |
| 171 | tidTable.drop(element->getTid(), element); |
Mark Salyzyn | 6a06694 | 2016-07-14 15:34:30 -0700 | [diff] [blame] | 172 | |
| 173 | uint32_t tag = element->getTag(); |
| 174 | if (tag) { |
| 175 | if (log_id == LOG_ID_SECURITY) { |
| 176 | securityTagTable.drop(tag, element); |
| 177 | } else { |
| 178 | tagTable.drop(tag, element); |
| 179 | } |
| 180 | } |
Mark Salyzyn | ab0dcf6 | 2015-03-16 12:04:09 -0700 | [diff] [blame] | 181 | } |
| 182 | |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 183 | // caller must own and free character string |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 184 | const char* LogStatistics::uidToName(uid_t uid) const { |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 185 | // Local hard coded favourites |
| 186 | if (uid == AID_LOGD) { |
| 187 | return strdup("auditd"); |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 188 | } |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 189 | |
Mark Salyzyn | b8a95bd | 2016-04-07 11:06:31 -0700 | [diff] [blame] | 190 | // Android system |
| 191 | if (uid < AID_APP) { |
| 192 | // in bionic, thread safe as long as we copy the results |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 193 | struct passwd* pwd = getpwuid(uid); |
Mark Salyzyn | b8a95bd | 2016-04-07 11:06:31 -0700 | [diff] [blame] | 194 | if (pwd) { |
| 195 | return strdup(pwd->pw_name); |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 196 | } |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 197 | } |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 198 | |
Mark Salyzyn | 08739ba | 2015-03-16 08:26:05 -0700 | [diff] [blame] | 199 | // Parse /data/system/packages.list |
Jeff Sharkey | dff4470 | 2016-12-13 11:55:19 -0700 | [diff] [blame] | 200 | uid_t userId = uid % AID_USER_OFFSET; |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 201 | const char* name = android::uidToName(userId); |
Mark Salyzyn | 023f51f | 2015-04-29 12:48:45 -0700 | [diff] [blame] | 202 | if (!name && (userId > (AID_SHARED_GID_START - AID_APP))) { |
| 203 | name = android::uidToName(userId - (AID_SHARED_GID_START - AID_APP)); |
| 204 | } |
Mark Salyzyn | 08739ba | 2015-03-16 08:26:05 -0700 | [diff] [blame] | 205 | if (name) { |
| 206 | return name; |
| 207 | } |
Mark Salyzyn | 720f6d1 | 2015-03-16 08:26:05 -0700 | [diff] [blame] | 208 | |
Mark Salyzyn | b8a95bd | 2016-04-07 11:06:31 -0700 | [diff] [blame] | 209 | // Android application |
| 210 | if (uid >= AID_APP) { |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 211 | struct passwd* pwd = getpwuid(uid); |
Mark Salyzyn | b8a95bd | 2016-04-07 11:06:31 -0700 | [diff] [blame] | 212 | if (pwd) { |
| 213 | return strdup(pwd->pw_name); |
| 214 | } |
| 215 | } |
| 216 | |
Mark Salyzyn | 720f6d1 | 2015-03-16 08:26:05 -0700 | [diff] [blame] | 217 | // report uid -> pid(s) -> pidToName if unique |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 218 | for (pidTable_t::const_iterator it = pidTable.begin(); it != pidTable.end(); |
| 219 | ++it) { |
| 220 | const PidEntry& entry = it->second; |
Mark Salyzyn | 720f6d1 | 2015-03-16 08:26:05 -0700 | [diff] [blame] | 221 | |
| 222 | if (entry.getUid() == uid) { |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 223 | const char* nameTmp = entry.getName(); |
Mark Salyzyn | 720f6d1 | 2015-03-16 08:26:05 -0700 | [diff] [blame] | 224 | |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 225 | if (nameTmp) { |
Mark Salyzyn | 720f6d1 | 2015-03-16 08:26:05 -0700 | [diff] [blame] | 226 | if (!name) { |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 227 | name = strdup(nameTmp); |
Mark Salyzyn | 0eeb06b | 2016-12-02 10:08:48 -0800 | [diff] [blame] | 228 | } else if (fastcmp<strcmp>(name, nameTmp)) { |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 229 | free(const_cast<char*>(name)); |
Mark Salyzyn | 023f51f | 2015-04-29 12:48:45 -0700 | [diff] [blame] | 230 | name = NULL; |
| 231 | break; |
Mark Salyzyn | 720f6d1 | 2015-03-16 08:26:05 -0700 | [diff] [blame] | 232 | } |
| 233 | } |
| 234 | } |
| 235 | } |
| 236 | |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 237 | // No one |
Mark Salyzyn | 720f6d1 | 2015-03-16 08:26:05 -0700 | [diff] [blame] | 238 | return name; |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 239 | } |
| 240 | |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 241 | std::string UidEntry::formatHeader(const std::string& name, log_id_t id) const { |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 242 | bool isprune = worstUidEnabledForLogid(id); |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 243 | return formatLine(android::base::StringPrintf(name.c_str(), |
| 244 | android_log_id_to_name(id)), |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 245 | std::string("Size"), |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 246 | std::string(isprune ? "+/- Pruned" : "")) + |
| 247 | formatLine(std::string("UID PACKAGE"), std::string("BYTES"), |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 248 | std::string(isprune ? "NUM" : "")); |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 249 | } |
| 250 | |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 251 | std::string UidEntry::format(const LogStatistics& stat, log_id_t id) const { |
Mark Salyzyn | ee3b838 | 2015-12-17 09:58:43 -0800 | [diff] [blame] | 252 | uid_t uid = getUid(); |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 253 | std::string name = android::base::StringPrintf("%u", uid); |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 254 | const char* nameTmp = stat.uidToName(uid); |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 255 | if (nameTmp) { |
| 256 | name += android::base::StringPrintf( |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 257 | "%*s%s", (int)std::max(6 - name.length(), (size_t)1), "", nameTmp); |
| 258 | free(const_cast<char*>(nameTmp)); |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 259 | } |
| 260 | |
| 261 | std::string size = android::base::StringPrintf("%zu", getSizes()); |
| 262 | |
| 263 | std::string pruned = ""; |
Mark Salyzyn | c723df8 | 2015-08-24 11:08:00 -0700 | [diff] [blame] | 264 | if (worstUidEnabledForLogid(id)) { |
| 265 | size_t totalDropped = 0; |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 266 | for (LogStatistics::uidTable_t::const_iterator it = |
| 267 | stat.uidTable[id].begin(); |
| 268 | it != stat.uidTable[id].end(); ++it) { |
Mark Salyzyn | c723df8 | 2015-08-24 11:08:00 -0700 | [diff] [blame] | 269 | totalDropped += it->second.getDropped(); |
| 270 | } |
| 271 | size_t sizes = stat.sizes(id); |
| 272 | size_t totalSize = stat.sizesTotal(id); |
| 273 | size_t totalElements = stat.elementsTotal(id); |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 274 | float totalVirtualSize = |
| 275 | (float)sizes + (float)totalDropped * totalSize / totalElements; |
Mark Salyzyn | c723df8 | 2015-08-24 11:08:00 -0700 | [diff] [blame] | 276 | size_t entrySize = getSizes(); |
| 277 | float virtualEntrySize = entrySize; |
| 278 | int realPermille = virtualEntrySize * 1000.0 / sizes; |
| 279 | size_t dropped = getDropped(); |
| 280 | if (dropped) { |
| 281 | pruned = android::base::StringPrintf("%zu", dropped); |
| 282 | virtualEntrySize += (float)dropped * totalSize / totalElements; |
| 283 | } |
| 284 | int virtualPermille = virtualEntrySize * 1000.0 / totalVirtualSize; |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 285 | int permille = |
| 286 | (realPermille - virtualPermille) * 1000L / (virtualPermille ?: 1); |
Mark Salyzyn | c723df8 | 2015-08-24 11:08:00 -0700 | [diff] [blame] | 287 | if ((permille < -1) || (1 < permille)) { |
| 288 | std::string change; |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 289 | const char* units = "%"; |
| 290 | const char* prefix = (permille > 0) ? "+" : ""; |
Mark Salyzyn | c723df8 | 2015-08-24 11:08:00 -0700 | [diff] [blame] | 291 | |
| 292 | if (permille > 999) { |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 293 | permille = (permille + 1000) / 100; // Now tenths fold |
Mark Salyzyn | c723df8 | 2015-08-24 11:08:00 -0700 | [diff] [blame] | 294 | units = "X"; |
| 295 | prefix = ""; |
| 296 | } |
| 297 | if ((-99 < permille) && (permille < 99)) { |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 298 | change = android::base::StringPrintf( |
| 299 | "%s%d.%u%s", prefix, permille / 10, |
Mark Salyzyn | c723df8 | 2015-08-24 11:08:00 -0700 | [diff] [blame] | 300 | ((permille < 0) ? (-permille % 10) : (permille % 10)), |
| 301 | units); |
| 302 | } else { |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 303 | change = android::base::StringPrintf( |
| 304 | "%s%d%s", prefix, (permille + 5) / 10, units); |
Mark Salyzyn | c723df8 | 2015-08-24 11:08:00 -0700 | [diff] [blame] | 305 | } |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 306 | ssize_t spaces = EntryBaseConstants::pruned_len - 2 - |
| 307 | pruned.length() - change.length(); |
Mark Salyzyn | c723df8 | 2015-08-24 11:08:00 -0700 | [diff] [blame] | 308 | if ((spaces <= 0) && pruned.length()) { |
| 309 | spaces = 1; |
| 310 | } |
Mark Salyzyn | d966e22 | 2016-12-19 22:23:03 +0000 | [diff] [blame] | 311 | if (spaces > 0) { |
Mark Salyzyn | c723df8 | 2015-08-24 11:08:00 -0700 | [diff] [blame] | 312 | change += android::base::StringPrintf("%*s", (int)spaces, ""); |
| 313 | } |
| 314 | pruned = change + pruned; |
| 315 | } |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 316 | } |
| 317 | |
Mark Salyzyn | bec3c3d | 2015-08-28 08:02:59 -0700 | [diff] [blame] | 318 | std::string output = formatLine(name, size, pruned); |
| 319 | |
| 320 | if (uid != AID_SYSTEM) { |
| 321 | return output; |
| 322 | } |
| 323 | |
| 324 | static const size_t maximum_sorted_entries = 32; |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 325 | std::unique_ptr<const PidEntry* []> sorted = |
| 326 | stat.pidSystemTable[id].sort(uid, (pid_t)0, maximum_sorted_entries); |
Mark Salyzyn | bec3c3d | 2015-08-28 08:02:59 -0700 | [diff] [blame] | 327 | |
| 328 | if (!sorted.get()) { |
| 329 | return output; |
| 330 | } |
| 331 | std::string byPid; |
| 332 | size_t index; |
| 333 | bool hasDropped = false; |
| 334 | for (index = 0; index < maximum_sorted_entries; ++index) { |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 335 | const PidEntry* entry = sorted[index]; |
Mark Salyzyn | bec3c3d | 2015-08-28 08:02:59 -0700 | [diff] [blame] | 336 | if (!entry) { |
| 337 | break; |
| 338 | } |
| 339 | if (entry->getSizes() <= (getSizes() / 100)) { |
| 340 | break; |
| 341 | } |
| 342 | if (entry->getDropped()) { |
| 343 | hasDropped = true; |
| 344 | } |
| 345 | byPid += entry->format(stat, id); |
| 346 | } |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 347 | if (index > 1) { // print this only if interesting |
Mark Salyzyn | bec3c3d | 2015-08-28 08:02:59 -0700 | [diff] [blame] | 348 | std::string ditto("\" "); |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 349 | output += formatLine(std::string(" PID/UID COMMAND LINE"), ditto, |
| 350 | hasDropped ? ditto : std::string("")); |
Mark Salyzyn | bec3c3d | 2015-08-28 08:02:59 -0700 | [diff] [blame] | 351 | output += byPid; |
| 352 | } |
| 353 | |
| 354 | return output; |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 355 | } |
| 356 | |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 357 | std::string PidEntry::formatHeader(const std::string& name, |
| 358 | log_id_t /* id */) const { |
| 359 | return formatLine(name, std::string("Size"), std::string("Pruned")) + |
| 360 | formatLine(std::string(" PID/UID COMMAND LINE"), |
| 361 | std::string("BYTES"), std::string("NUM")); |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 362 | } |
| 363 | |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 364 | std::string PidEntry::format(const LogStatistics& stat, |
| 365 | log_id_t /* id */) const { |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 366 | uid_t uid = getUid(); |
Mark Salyzyn | ee3b838 | 2015-12-17 09:58:43 -0800 | [diff] [blame] | 367 | pid_t pid = getPid(); |
| 368 | std::string name = android::base::StringPrintf("%5u/%u", pid, uid); |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 369 | const char* nameTmp = getName(); |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 370 | if (nameTmp) { |
| 371 | name += android::base::StringPrintf( |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 372 | "%*s%s", (int)std::max(12 - name.length(), (size_t)1), "", nameTmp); |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 373 | } else if ((nameTmp = stat.uidToName(uid))) { |
| 374 | name += android::base::StringPrintf( |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 375 | "%*s%s", (int)std::max(12 - name.length(), (size_t)1), "", nameTmp); |
| 376 | free(const_cast<char*>(nameTmp)); |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 377 | } |
| 378 | |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 379 | std::string size = android::base::StringPrintf("%zu", getSizes()); |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 380 | |
| 381 | std::string pruned = ""; |
| 382 | size_t dropped = getDropped(); |
| 383 | if (dropped) { |
| 384 | pruned = android::base::StringPrintf("%zu", dropped); |
| 385 | } |
| 386 | |
| 387 | return formatLine(name, size, pruned); |
| 388 | } |
| 389 | |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 390 | std::string TidEntry::formatHeader(const std::string& name, |
| 391 | log_id_t /* id */) const { |
| 392 | return formatLine(name, std::string("Size"), std::string("Pruned")) + |
| 393 | formatLine(std::string(" TID/UID COMM"), std::string("BYTES"), |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 394 | std::string("NUM")); |
| 395 | } |
| 396 | |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 397 | std::string TidEntry::format(const LogStatistics& stat, |
| 398 | log_id_t /* id */) const { |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 399 | uid_t uid = getUid(); |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 400 | std::string name = android::base::StringPrintf("%5u/%u", getTid(), uid); |
| 401 | const char* nameTmp = getName(); |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 402 | if (nameTmp) { |
| 403 | name += android::base::StringPrintf( |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 404 | "%*s%s", (int)std::max(12 - name.length(), (size_t)1), "", nameTmp); |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 405 | } else if ((nameTmp = stat.uidToName(uid))) { |
| 406 | // if we do not have a PID name, lets punt to try UID name? |
| 407 | name += android::base::StringPrintf( |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 408 | "%*s%s", (int)std::max(12 - name.length(), (size_t)1), "", nameTmp); |
| 409 | free(const_cast<char*>(nameTmp)); |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 410 | // We tried, better to not have a name at all, we still |
| 411 | // have TID/UID by number to report in any case. |
| 412 | } |
| 413 | |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 414 | std::string size = android::base::StringPrintf("%zu", getSizes()); |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 415 | |
| 416 | std::string pruned = ""; |
| 417 | size_t dropped = getDropped(); |
| 418 | if (dropped) { |
| 419 | pruned = android::base::StringPrintf("%zu", dropped); |
| 420 | } |
| 421 | |
| 422 | return formatLine(name, size, pruned); |
| 423 | } |
| 424 | |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 425 | std::string TagEntry::formatHeader(const std::string& name, log_id_t id) const { |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 426 | bool isprune = worstUidEnabledForLogid(id); |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 427 | return formatLine(name, std::string("Size"), |
| 428 | std::string(isprune ? "Prune" : "")) + |
| 429 | formatLine(std::string(" TAG/UID TAGNAME"), |
| 430 | std::string("BYTES"), std::string(isprune ? "NUM" : "")); |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 431 | } |
| 432 | |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 433 | std::string TagEntry::format(const LogStatistics& /* stat */, |
| 434 | log_id_t /* id */) const { |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 435 | std::string name; |
| 436 | uid_t uid = getUid(); |
| 437 | if (uid == (uid_t)-1) { |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 438 | name = android::base::StringPrintf("%7u", getKey()); |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 439 | } else { |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 440 | name = android::base::StringPrintf("%7u/%u", getKey(), uid); |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 441 | } |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 442 | const char* nameTmp = getName(); |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 443 | if (nameTmp) { |
| 444 | name += android::base::StringPrintf( |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 445 | "%*s%s", (int)std::max(14 - name.length(), (size_t)1), "", nameTmp); |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 446 | } |
| 447 | |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 448 | std::string size = android::base::StringPrintf("%zu", getSizes()); |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 449 | |
| 450 | std::string pruned = ""; |
Mark Salyzyn | 6a06694 | 2016-07-14 15:34:30 -0700 | [diff] [blame] | 451 | size_t dropped = getDropped(); |
| 452 | if (dropped) { |
| 453 | pruned = android::base::StringPrintf("%zu", dropped); |
| 454 | } |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 455 | |
| 456 | return formatLine(name, size, pruned); |
| 457 | } |
| 458 | |
Mark Salyzyn | ee3b838 | 2015-12-17 09:58:43 -0800 | [diff] [blame] | 459 | std::string LogStatistics::format(uid_t uid, pid_t pid, |
| 460 | unsigned int logMask) const { |
Mark Salyzyn | 9a03863 | 2014-04-07 07:05:40 -0700 | [diff] [blame] | 461 | static const unsigned short spaces_total = 19; |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 462 | |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 463 | // Report on total logging, current and for all time |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 464 | |
Mark Salyzyn | decbcd9 | 2015-08-19 15:33:01 -0700 | [diff] [blame] | 465 | std::string output = "size/num"; |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 466 | size_t oldLength; |
| 467 | short spaces = 1; |
| 468 | |
| 469 | log_id_for_each(id) { |
Mark Salyzyn | 9af33ee | 2016-10-05 12:34:37 -0700 | [diff] [blame] | 470 | if (!(logMask & (1 << id))) continue; |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 471 | oldLength = output.length(); |
Mark Salyzyn | 9af33ee | 2016-10-05 12:34:37 -0700 | [diff] [blame] | 472 | if (spaces < 0) spaces = 0; |
Mark Salyzyn | decbcd9 | 2015-08-19 15:33:01 -0700 | [diff] [blame] | 473 | output += android::base::StringPrintf("%*s%s", spaces, "", |
| 474 | android_log_id_to_name(id)); |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 475 | spaces += spaces_total + oldLength - output.length(); |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 476 | } |
Mark Salyzyn | 9af33ee | 2016-10-05 12:34:37 -0700 | [diff] [blame] | 477 | if (spaces < 0) spaces = 0; |
| 478 | output += android::base::StringPrintf("%*sTotal", spaces, ""); |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 479 | |
Mark Salyzyn | 9af33ee | 2016-10-05 12:34:37 -0700 | [diff] [blame] | 480 | static const char TotalStr[] = "\nTotal"; |
| 481 | spaces = 10 - strlen(TotalStr); |
| 482 | output += TotalStr; |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 483 | |
Mark Salyzyn | 9af33ee | 2016-10-05 12:34:37 -0700 | [diff] [blame] | 484 | size_t totalSize = 0; |
| 485 | size_t totalEls = 0; |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 486 | log_id_for_each(id) { |
Mark Salyzyn | 9af33ee | 2016-10-05 12:34:37 -0700 | [diff] [blame] | 487 | if (!(logMask & (1 << id))) continue; |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 488 | oldLength = output.length(); |
Mark Salyzyn | 9af33ee | 2016-10-05 12:34:37 -0700 | [diff] [blame] | 489 | if (spaces < 0) spaces = 0; |
| 490 | size_t szs = sizesTotal(id); |
| 491 | totalSize += szs; |
| 492 | size_t els = elementsTotal(id); |
| 493 | totalEls += els; |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 494 | output += |
| 495 | android::base::StringPrintf("%*s%zu/%zu", spaces, "", szs, els); |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 496 | spaces += spaces_total + oldLength - output.length(); |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 497 | } |
Mark Salyzyn | 9af33ee | 2016-10-05 12:34:37 -0700 | [diff] [blame] | 498 | if (spaces < 0) spaces = 0; |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 499 | output += android::base::StringPrintf("%*s%zu/%zu", spaces, "", totalSize, |
| 500 | totalEls); |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 501 | |
Mark Salyzyn | 9af33ee | 2016-10-05 12:34:37 -0700 | [diff] [blame] | 502 | static const char NowStr[] = "\nNow"; |
| 503 | spaces = 10 - strlen(NowStr); |
| 504 | output += NowStr; |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 505 | |
Mark Salyzyn | 9af33ee | 2016-10-05 12:34:37 -0700 | [diff] [blame] | 506 | totalSize = 0; |
| 507 | totalEls = 0; |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 508 | log_id_for_each(id) { |
Mark Salyzyn | 9af33ee | 2016-10-05 12:34:37 -0700 | [diff] [blame] | 509 | if (!(logMask & (1 << id))) continue; |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 510 | |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 511 | size_t els = elements(id); |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 512 | if (els) { |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 513 | oldLength = output.length(); |
Mark Salyzyn | 9af33ee | 2016-10-05 12:34:37 -0700 | [diff] [blame] | 514 | if (spaces < 0) spaces = 0; |
| 515 | size_t szs = sizes(id); |
| 516 | totalSize += szs; |
| 517 | totalEls += els; |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 518 | output += |
| 519 | android::base::StringPrintf("%*s%zu/%zu", spaces, "", szs, els); |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 520 | spaces -= output.length() - oldLength; |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 521 | } |
| 522 | spaces += spaces_total; |
| 523 | } |
Mark Salyzyn | 9af33ee | 2016-10-05 12:34:37 -0700 | [diff] [blame] | 524 | if (spaces < 0) spaces = 0; |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 525 | output += android::base::StringPrintf("%*s%zu/%zu", spaces, "", totalSize, |
| 526 | totalEls); |
Mark Salyzyn | 9af33ee | 2016-10-05 12:34:37 -0700 | [diff] [blame] | 527 | |
| 528 | static const char OverheadStr[] = "\nOverhead"; |
| 529 | spaces = 10 - strlen(OverheadStr); |
| 530 | output += OverheadStr; |
| 531 | |
| 532 | totalSize = 0; |
| 533 | log_id_for_each(id) { |
| 534 | if (!(logMask & (1 << id))) continue; |
| 535 | |
| 536 | size_t els = elements(id); |
| 537 | if (els) { |
| 538 | oldLength = output.length(); |
| 539 | if (spaces < 0) spaces = 0; |
| 540 | // estimate the std::list overhead. |
| 541 | static const size_t overhead = |
| 542 | ((sizeof(LogBufferElement) + sizeof(uint64_t) - 1) & |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 543 | -sizeof(uint64_t)) + |
Mark Salyzyn | 9af33ee | 2016-10-05 12:34:37 -0700 | [diff] [blame] | 544 | sizeof(std::list<LogBufferElement*>); |
| 545 | size_t szs = sizes(id) + els * overhead; |
| 546 | totalSize += szs; |
| 547 | output += android::base::StringPrintf("%*s%zu", spaces, "", szs); |
| 548 | spaces -= output.length() - oldLength; |
| 549 | } |
| 550 | spaces += spaces_total; |
| 551 | } |
Mark Salyzyn | 6d981af | 2016-10-06 09:55:21 -0700 | [diff] [blame] | 552 | totalSize += sizeOf(); |
Mark Salyzyn | 9af33ee | 2016-10-05 12:34:37 -0700 | [diff] [blame] | 553 | if (spaces < 0) spaces = 0; |
| 554 | output += android::base::StringPrintf("%*s%zu", spaces, "", totalSize); |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 555 | |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 556 | // Report on Chattiest |
Mark Salyzyn | 8e72c53 | 2014-03-26 10:46:39 -0700 | [diff] [blame] | 557 | |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 558 | std::string name; |
| 559 | |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 560 | // Chattiest by application (UID) |
| 561 | log_id_for_each(id) { |
Mark Salyzyn | 9af33ee | 2016-10-05 12:34:37 -0700 | [diff] [blame] | 562 | if (!(logMask & (1 << id))) continue; |
Mark Salyzyn | 8e72c53 | 2014-03-26 10:46:39 -0700 | [diff] [blame] | 563 | |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 564 | name = (uid == AID_ROOT) ? "Chattiest UIDs in %s log buffer:" |
| 565 | : "Logging for your UID in %s log buffer:"; |
Mark Salyzyn | ee3b838 | 2015-12-17 09:58:43 -0800 | [diff] [blame] | 566 | output += uidTable[id].format(*this, uid, pid, name, id); |
Mark Salyzyn | 720f6d1 | 2015-03-16 08:26:05 -0700 | [diff] [blame] | 567 | } |
Mark Salyzyn | 8e72c53 | 2014-03-26 10:46:39 -0700 | [diff] [blame] | 568 | |
Mark Salyzyn | 720f6d1 | 2015-03-16 08:26:05 -0700 | [diff] [blame] | 569 | if (enable) { |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 570 | name = ((uid == AID_ROOT) && !pid) ? "Chattiest PIDs:" |
| 571 | : "Logging for this PID:"; |
Mark Salyzyn | ee3b838 | 2015-12-17 09:58:43 -0800 | [diff] [blame] | 572 | output += pidTable.format(*this, uid, pid, name); |
| 573 | name = "Chattiest TIDs"; |
Mark Salyzyn | 9af33ee | 2016-10-05 12:34:37 -0700 | [diff] [blame] | 574 | if (pid) name += android::base::StringPrintf(" for PID %d", pid); |
Mark Salyzyn | ee3b838 | 2015-12-17 09:58:43 -0800 | [diff] [blame] | 575 | name += ":"; |
| 576 | output += tidTable.format(*this, uid, pid, name); |
Mark Salyzyn | 17ed679 | 2015-04-20 13:35:15 -0700 | [diff] [blame] | 577 | } |
| 578 | |
Mark Salyzyn | 344bff4 | 2015-04-13 14:24:45 -0700 | [diff] [blame] | 579 | if (enable && (logMask & (1 << LOG_ID_EVENTS))) { |
Mark Salyzyn | ee3b838 | 2015-12-17 09:58:43 -0800 | [diff] [blame] | 580 | name = "Chattiest events log buffer TAGs"; |
Mark Salyzyn | 9af33ee | 2016-10-05 12:34:37 -0700 | [diff] [blame] | 581 | if (pid) name += android::base::StringPrintf(" for PID %d", pid); |
Mark Salyzyn | ee3b838 | 2015-12-17 09:58:43 -0800 | [diff] [blame] | 582 | name += ":"; |
| 583 | output += tagTable.format(*this, uid, pid, name, LOG_ID_EVENTS); |
Mark Salyzyn | 344bff4 | 2015-04-13 14:24:45 -0700 | [diff] [blame] | 584 | } |
| 585 | |
Mark Salyzyn | 083b037 | 2015-12-04 10:59:45 -0800 | [diff] [blame] | 586 | if (enable && (logMask & (1 << LOG_ID_SECURITY))) { |
Mark Salyzyn | ee3b838 | 2015-12-17 09:58:43 -0800 | [diff] [blame] | 587 | name = "Chattiest security log buffer TAGs"; |
Mark Salyzyn | 9af33ee | 2016-10-05 12:34:37 -0700 | [diff] [blame] | 588 | if (pid) name += android::base::StringPrintf(" for PID %d", pid); |
Mark Salyzyn | ee3b838 | 2015-12-17 09:58:43 -0800 | [diff] [blame] | 589 | name += ":"; |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 590 | output += |
| 591 | securityTagTable.format(*this, uid, pid, name, LOG_ID_SECURITY); |
Mark Salyzyn | 083b037 | 2015-12-04 10:59:45 -0800 | [diff] [blame] | 592 | } |
| 593 | |
Mark Salyzyn | 73160ac | 2015-08-20 10:01:44 -0700 | [diff] [blame] | 594 | return output; |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 595 | } |
Mark Salyzyn | 4ba0387 | 2014-04-07 07:15:33 -0700 | [diff] [blame] | 596 | |
Mark Salyzyn | 720f6d1 | 2015-03-16 08:26:05 -0700 | [diff] [blame] | 597 | namespace android { |
| 598 | |
| 599 | uid_t pidToUid(pid_t pid) { |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 600 | char buffer[512]; |
| 601 | snprintf(buffer, sizeof(buffer), "/proc/%u/status", pid); |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 602 | FILE* fp = fopen(buffer, "r"); |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 603 | if (fp) { |
| 604 | while (fgets(buffer, sizeof(buffer), fp)) { |
| 605 | int uid; |
Mark Salyzyn | c32afdf | 2015-04-14 13:07:29 -0700 | [diff] [blame] | 606 | if (sscanf(buffer, "Uid: %d", &uid) == 1) { |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 607 | fclose(fp); |
| 608 | return uid; |
Mark Salyzyn | 4ba0387 | 2014-04-07 07:15:33 -0700 | [diff] [blame] | 609 | } |
| 610 | } |
Mark Salyzyn | 97c1c2b | 2015-03-10 13:51:35 -0700 | [diff] [blame] | 611 | fclose(fp); |
Mark Salyzyn | 4ba0387 | 2014-04-07 07:15:33 -0700 | [diff] [blame] | 612 | } |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 613 | return AID_LOGD; // associate this with the logger |
Mark Salyzyn | 4ba0387 | 2014-04-07 07:15:33 -0700 | [diff] [blame] | 614 | } |
Mark Salyzyn | 720f6d1 | 2015-03-16 08:26:05 -0700 | [diff] [blame] | 615 | } |
| 616 | |
| 617 | uid_t LogStatistics::pidToUid(pid_t pid) { |
Mark Salyzyn | 511338d | 2015-05-19 09:12:30 -0700 | [diff] [blame] | 618 | return pidTable.add(pid)->second.getUid(); |
Mark Salyzyn | 720f6d1 | 2015-03-16 08:26:05 -0700 | [diff] [blame] | 619 | } |
| 620 | |
| 621 | // caller must free character string |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 622 | const char* LogStatistics::pidToName(pid_t pid) const { |
Mark Salyzyn | 758058f | 2015-08-21 16:44:30 -0700 | [diff] [blame] | 623 | // An inconvenient truth ... getName() can alter the object |
Mark Salyzyn | 501c373 | 2017-03-10 14:31:54 -0800 | [diff] [blame] | 624 | pidTable_t& writablePidTable = const_cast<pidTable_t&>(pidTable); |
| 625 | const char* name = writablePidTable.add(pid)->second.getName(); |
Mark Salyzyn | 81b3eab | 2015-04-13 14:24:45 -0700 | [diff] [blame] | 626 | if (!name) { |
| 627 | return NULL; |
Mark Salyzyn | 720f6d1 | 2015-03-16 08:26:05 -0700 | [diff] [blame] | 628 | } |
Mark Salyzyn | 81b3eab | 2015-04-13 14:24:45 -0700 | [diff] [blame] | 629 | return strdup(name); |
Mark Salyzyn | 720f6d1 | 2015-03-16 08:26:05 -0700 | [diff] [blame] | 630 | } |