Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 1 | // Copyright (c) 2010 The Chromium OS Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "metrics_daemon.h" |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 6 | |
Luigi Semenzato | c88e42d | 2011-02-17 10:21:16 -0800 | [diff] [blame] | 7 | #include <fcntl.h> |
Ken Mixter | 4c5daa4 | 2010-08-26 18:35:06 -0700 | [diff] [blame] | 8 | #include <string.h> |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 9 | |
Darin Petkov | 38d5cb0 | 2010-06-24 12:10:26 -0700 | [diff] [blame] | 10 | #include <base/file_util.h> |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 11 | #include <base/logging.h> |
Ken Mixter | 4c5daa4 | 2010-08-26 18:35:06 -0700 | [diff] [blame] | 12 | #include <dbus/dbus-glib-lowlevel.h> |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 13 | |
Darin Petkov | f1e85e4 | 2010-06-10 15:59:53 -0700 | [diff] [blame] | 14 | #include "counter.h" |
| 15 | |
Darin Petkov | f27f036 | 2010-06-04 13:14:19 -0700 | [diff] [blame] | 16 | using base::Time; |
| 17 | using base::TimeDelta; |
| 18 | using base::TimeTicks; |
Darin Petkov | 38d5cb0 | 2010-06-24 12:10:26 -0700 | [diff] [blame] | 19 | using std::string; |
Darin Petkov | f27f036 | 2010-06-04 13:14:19 -0700 | [diff] [blame] | 20 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 21 | #define SAFE_MESSAGE(e) (e.message ? e.message : "unknown error") |
Darin Petkov | 1bb904e | 2010-06-16 15:58:06 -0700 | [diff] [blame] | 22 | #define DBUS_IFACE_CRASH_REPORTER "org.chromium.CrashReporter" |
David James | 6bf6e25 | 2010-06-06 18:52:40 -0700 | [diff] [blame] | 23 | #define DBUS_IFACE_POWER_MANAGER "org.chromium.PowerManager" |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 24 | #define DBUS_IFACE_SESSION_MANAGER "org.chromium.SessionManagerInterface" |
| 25 | |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 26 | static const int kSecondsPerMinute = 60; |
| 27 | static const int kMinutesPerHour = 60; |
| 28 | static const int kHoursPerDay = 24; |
| 29 | static const int kMinutesPerDay = kHoursPerDay * kMinutesPerHour; |
Darin Petkov | 1bb904e | 2010-06-16 15:58:06 -0700 | [diff] [blame] | 30 | static const int kSecondsPerDay = kSecondsPerMinute * kMinutesPerDay; |
| 31 | static const int kDaysPerWeek = 7; |
| 32 | static const int kSecondsPerWeek = kSecondsPerDay * kDaysPerWeek; |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 33 | |
| 34 | // The daily use monitor is scheduled to a 1-minute interval after |
| 35 | // initial user activity and then it's exponentially backed off to |
| 36 | // 10-minute intervals. Although not required, the back off is |
| 37 | // implemented because the histogram buckets are spaced exponentially |
| 38 | // anyway and to avoid too frequent metrics daemon process wake-ups |
| 39 | // and file I/O. |
| 40 | static const int kUseMonitorIntervalInit = 1 * kSecondsPerMinute; |
| 41 | static const int kUseMonitorIntervalMax = 10 * kSecondsPerMinute; |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 42 | |
Ken Mixter | ccd84c0 | 2010-08-16 19:57:13 -0700 | [diff] [blame] | 43 | const char kKernelCrashDetectedFile[] = "/tmp/kernel-crash-detected"; |
| 44 | static const char kUncleanShutdownDetectedFile[] = |
| 45 | "/tmp/unclean-shutdown-detected"; |
| 46 | |
Ken Mixter | 4c5daa4 | 2010-08-26 18:35:06 -0700 | [diff] [blame] | 47 | // static metrics parameters |
Darin Petkov | 2ccef01 | 2010-05-05 16:06:37 -0700 | [diff] [blame] | 48 | const char MetricsDaemon::kMetricDailyUseTimeName[] = |
| 49 | "Logging.DailyUseTime"; |
| 50 | const int MetricsDaemon::kMetricDailyUseTimeMin = 1; |
| 51 | const int MetricsDaemon::kMetricDailyUseTimeMax = kMinutesPerDay; |
| 52 | const int MetricsDaemon::kMetricDailyUseTimeBuckets = 50; |
| 53 | |
Ken Mixter | ccd84c0 | 2010-08-16 19:57:13 -0700 | [diff] [blame] | 54 | // crash interval metrics |
| 55 | const char MetricsDaemon::kMetricKernelCrashIntervalName[] = |
| 56 | "Logging.KernelCrashInterval"; |
| 57 | const char MetricsDaemon::kMetricUncleanShutdownIntervalName[] = |
| 58 | "Logging.UncleanShutdownInterval"; |
Darin Petkov | 1bb904e | 2010-06-16 15:58:06 -0700 | [diff] [blame] | 59 | const char MetricsDaemon::kMetricUserCrashIntervalName[] = |
| 60 | "Logging.UserCrashInterval"; |
Ken Mixter | ccd84c0 | 2010-08-16 19:57:13 -0700 | [diff] [blame] | 61 | |
| 62 | const int MetricsDaemon::kMetricCrashIntervalMin = 1; |
| 63 | const int MetricsDaemon::kMetricCrashIntervalMax = |
| 64 | 4 * kSecondsPerWeek; |
| 65 | const int MetricsDaemon::kMetricCrashIntervalBuckets = 50; |
| 66 | |
| 67 | // crash frequency metrics |
| 68 | const char MetricsDaemon::kMetricAnyCrashesDailyName[] = |
| 69 | "Logging.AnyCrashesDaily"; |
Ken Mixter | 4c5daa4 | 2010-08-26 18:35:06 -0700 | [diff] [blame] | 70 | const char MetricsDaemon::kMetricAnyCrashesWeeklyName[] = |
| 71 | "Logging.AnyCrashesWeekly"; |
Ken Mixter | ccd84c0 | 2010-08-16 19:57:13 -0700 | [diff] [blame] | 72 | const char MetricsDaemon::kMetricKernelCrashesDailyName[] = |
| 73 | "Logging.KernelCrashesDaily"; |
Ken Mixter | 4c5daa4 | 2010-08-26 18:35:06 -0700 | [diff] [blame] | 74 | const char MetricsDaemon::kMetricKernelCrashesWeeklyName[] = |
| 75 | "Logging.KernelCrashesWeekly"; |
Ken Mixter | ccd84c0 | 2010-08-16 19:57:13 -0700 | [diff] [blame] | 76 | const char MetricsDaemon::kMetricUncleanShutdownsDailyName[] = |
| 77 | "Logging.UncleanShutdownsDaily"; |
Ken Mixter | 4c5daa4 | 2010-08-26 18:35:06 -0700 | [diff] [blame] | 78 | const char MetricsDaemon::kMetricUncleanShutdownsWeeklyName[] = |
| 79 | "Logging.UncleanShutdownsWeekly"; |
Ken Mixter | ccd84c0 | 2010-08-16 19:57:13 -0700 | [diff] [blame] | 80 | const char MetricsDaemon::kMetricUserCrashesDailyName[] = |
| 81 | "Logging.UserCrashesDaily"; |
Ken Mixter | 4c5daa4 | 2010-08-26 18:35:06 -0700 | [diff] [blame] | 82 | const char MetricsDaemon::kMetricUserCrashesWeeklyName[] = |
| 83 | "Logging.UserCrashesWeekly"; |
| 84 | const char MetricsDaemon::kMetricCrashFrequencyMin = 1; |
| 85 | const char MetricsDaemon::kMetricCrashFrequencyMax = 100; |
| 86 | const char MetricsDaemon::kMetricCrashFrequencyBuckets = 50; |
Ken Mixter | ccd84c0 | 2010-08-16 19:57:13 -0700 | [diff] [blame] | 87 | |
Luigi Semenzato | c88e42d | 2011-02-17 10:21:16 -0800 | [diff] [blame] | 88 | // disk stats metrics |
| 89 | |
| 90 | // The {Read,Write}Sectors numbers are in sectors/second. |
| 91 | // A sector is usually 512 bytes. |
| 92 | |
| 93 | const char MetricsDaemon::kMetricReadSectorsLongName[] = |
| 94 | "Platform.ReadSectorsLong"; |
| 95 | const char MetricsDaemon::kMetricWriteSectorsLongName[] = |
| 96 | "Platform.WriteSectorsLong"; |
| 97 | const char MetricsDaemon::kMetricReadSectorsShortName[] = |
| 98 | "Platform.ReadSectorsShort"; |
| 99 | const char MetricsDaemon::kMetricWriteSectorsShortName[] = |
| 100 | "Platform.WriteSectorsShort"; |
| 101 | |
| 102 | const int MetricsDaemon::kMetricDiskStatsShortInterval = 1; // seconds |
| 103 | const int MetricsDaemon::kMetricDiskStatsLongInterval = 30; // seconds |
| 104 | |
| 105 | // Assume a max rate of 250Mb/s for reads (worse for writes) and 512 byte |
| 106 | // sectors. |
| 107 | const int MetricsDaemon::kMetricSectorsIOMax = 500000; // sectors/second |
| 108 | const int MetricsDaemon::kMetricSectorsBuckets = 50; // buckets |
| 109 | |
Ken Mixter | 4c5daa4 | 2010-08-26 18:35:06 -0700 | [diff] [blame] | 110 | // persistent metrics path |
| 111 | const char MetricsDaemon::kMetricsPath[] = "/var/log/metrics"; |
Ken Mixter | ccd84c0 | 2010-08-16 19:57:13 -0700 | [diff] [blame] | 112 | |
Darin Petkov | 1bb904e | 2010-06-16 15:58:06 -0700 | [diff] [blame] | 113 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 114 | // static |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 115 | const char* MetricsDaemon::kDBusMatches_[] = { |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 116 | "type='signal'," |
Darin Petkov | 1bb904e | 2010-06-16 15:58:06 -0700 | [diff] [blame] | 117 | "interface='" DBUS_IFACE_CRASH_REPORTER "'," |
| 118 | "path='/'," |
| 119 | "member='UserCrash'", |
| 120 | |
| 121 | "type='signal'," |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 122 | "interface='" DBUS_IFACE_POWER_MANAGER "'," |
Benson Leung | 53faeb0 | 2010-06-08 15:59:13 -0700 | [diff] [blame] | 123 | "path='/'", |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 124 | |
| 125 | "type='signal'," |
| 126 | "sender='org.chromium.SessionManager'," |
| 127 | "interface='" DBUS_IFACE_SESSION_MANAGER "'," |
| 128 | "path='/org/chromium/SessionManager'," |
| 129 | "member='SessionStateChanged'", |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 130 | }; |
| 131 | |
| 132 | // static |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 133 | const char* MetricsDaemon::kPowerStates_[] = { |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 134 | #define STATE(name, capname) #name, |
| 135 | #include "power_states.h" |
| 136 | }; |
| 137 | |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 138 | // static |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 139 | const char* MetricsDaemon::kSessionStates_[] = { |
| 140 | #define STATE(name, capname) #name, |
| 141 | #include "session_states.h" |
| 142 | }; |
| 143 | |
Darin Petkov | f1e85e4 | 2010-06-10 15:59:53 -0700 | [diff] [blame] | 144 | MetricsDaemon::MetricsDaemon() |
Sam Leffler | 239b826 | 2010-08-30 08:56:58 -0700 | [diff] [blame] | 145 | : power_state_(kUnknownPowerState), |
Darin Petkov | f1e85e4 | 2010-06-10 15:59:53 -0700 | [diff] [blame] | 146 | session_state_(kUnknownSessionState), |
| 147 | user_active_(false), |
| 148 | usemon_interval_(0), |
Luigi Semenzato | 0f132bb | 2011-02-28 11:17:43 -0800 | [diff] [blame^] | 149 | usemon_source_(NULL) {} |
Darin Petkov | f1e85e4 | 2010-06-10 15:59:53 -0700 | [diff] [blame] | 150 | |
Ken Mixter | 4c5daa4 | 2010-08-26 18:35:06 -0700 | [diff] [blame] | 151 | MetricsDaemon::~MetricsDaemon() { |
| 152 | DeleteFrequencyCounters(); |
| 153 | } |
| 154 | |
| 155 | void MetricsDaemon::DeleteFrequencyCounters() { |
| 156 | for (FrequencyCounters::iterator i = frequency_counters_.begin(); |
| 157 | i != frequency_counters_.end(); ++i) { |
| 158 | delete i->second; |
| 159 | i->second = NULL; |
| 160 | } |
| 161 | } |
Darin Petkov | f1e85e4 | 2010-06-10 15:59:53 -0700 | [diff] [blame] | 162 | |
Darin Petkov | 2ccef01 | 2010-05-05 16:06:37 -0700 | [diff] [blame] | 163 | void MetricsDaemon::Run(bool run_as_daemon) { |
Darin Petkov | 38d5cb0 | 2010-06-24 12:10:26 -0700 | [diff] [blame] | 164 | if (run_as_daemon && daemon(0, 0) != 0) |
| 165 | return; |
| 166 | |
Ken Mixter | ccd84c0 | 2010-08-16 19:57:13 -0700 | [diff] [blame] | 167 | if (CheckSystemCrash(kKernelCrashDetectedFile)) { |
| 168 | ProcessKernelCrash(); |
| 169 | } |
| 170 | |
| 171 | if (CheckSystemCrash(kUncleanShutdownDetectedFile)) { |
| 172 | ProcessUncleanShutdown(); |
| 173 | } |
| 174 | |
Darin Petkov | 38d5cb0 | 2010-06-24 12:10:26 -0700 | [diff] [blame] | 175 | Loop(); |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 176 | } |
| 177 | |
Ken Mixter | 4c5daa4 | 2010-08-26 18:35:06 -0700 | [diff] [blame] | 178 | FilePath MetricsDaemon::GetHistogramPath(const char* histogram_name) { |
| 179 | return FilePath(kMetricsPath).Append(histogram_name); |
| 180 | } |
| 181 | |
| 182 | void MetricsDaemon::ConfigureCrashIntervalReporter( |
| 183 | const char* histogram_name, |
| 184 | scoped_ptr<chromeos_metrics::TaggedCounterReporter>* reporter) { |
| 185 | reporter->reset(new chromeos_metrics::TaggedCounterReporter()); |
| 186 | FilePath file_path = GetHistogramPath(histogram_name); |
| 187 | (*reporter)->Init(file_path.value().c_str(), |
| 188 | histogram_name, |
| 189 | kMetricCrashIntervalMin, |
| 190 | kMetricCrashIntervalMax, |
| 191 | kMetricCrashIntervalBuckets); |
| 192 | } |
| 193 | |
| 194 | void MetricsDaemon::ConfigureCrashFrequencyReporter( |
| 195 | const char* histogram_name) { |
| 196 | scoped_ptr<chromeos_metrics::TaggedCounterReporter> reporter( |
| 197 | new chromeos_metrics::TaggedCounterReporter()); |
| 198 | FilePath file_path = GetHistogramPath(histogram_name); |
| 199 | reporter->Init(file_path.value().c_str(), |
| 200 | histogram_name, |
| 201 | kMetricCrashFrequencyMin, |
| 202 | kMetricCrashFrequencyMax, |
| 203 | kMetricCrashFrequencyBuckets); |
| 204 | scoped_ptr<chromeos_metrics::FrequencyCounter> new_counter( |
| 205 | new chromeos_metrics::FrequencyCounter()); |
| 206 | time_t cycle_duration = strstr(histogram_name, "Weekly") != NULL ? |
| 207 | chromeos_metrics::kSecondsPerWeek : |
| 208 | chromeos_metrics::kSecondsPerDay; |
| 209 | new_counter->Init( |
| 210 | static_cast<chromeos_metrics::TaggedCounterInterface*>( |
| 211 | reporter.release()), |
| 212 | cycle_duration); |
| 213 | frequency_counters_[histogram_name] = new_counter.release(); |
| 214 | } |
| 215 | |
Luigi Semenzato | c88e42d | 2011-02-17 10:21:16 -0800 | [diff] [blame] | 216 | void MetricsDaemon::Init(bool testing, MetricsLibraryInterface* metrics_lib, |
Luigi Semenzato | 0f132bb | 2011-02-28 11:17:43 -0800 | [diff] [blame^] | 217 | string diskstats_path) { |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 218 | testing_ = testing; |
Darin Petkov | fc91b42 | 2010-05-12 13:05:45 -0700 | [diff] [blame] | 219 | DCHECK(metrics_lib != NULL); |
| 220 | metrics_lib_ = metrics_lib; |
Ken Mixter | 4c5daa4 | 2010-08-26 18:35:06 -0700 | [diff] [blame] | 221 | chromeos_metrics::TaggedCounterReporter:: |
| 222 | SetMetricsLibraryInterface(metrics_lib); |
Darin Petkov | 38d5cb0 | 2010-06-24 12:10:26 -0700 | [diff] [blame] | 223 | |
| 224 | static const char kDailyUseRecordFile[] = "/var/log/metrics/daily-usage"; |
Darin Petkov | f1e85e4 | 2010-06-10 15:59:53 -0700 | [diff] [blame] | 225 | daily_use_.reset(new chromeos_metrics::TaggedCounter()); |
Ken Mixter | ccd84c0 | 2010-08-16 19:57:13 -0700 | [diff] [blame] | 226 | daily_use_->Init(kDailyUseRecordFile, &ReportDailyUse, this); |
Darin Petkov | 38d5cb0 | 2010-06-24 12:10:26 -0700 | [diff] [blame] | 227 | |
Ken Mixter | 4c5daa4 | 2010-08-26 18:35:06 -0700 | [diff] [blame] | 228 | ConfigureCrashIntervalReporter(kMetricKernelCrashIntervalName, |
| 229 | &kernel_crash_interval_); |
| 230 | ConfigureCrashIntervalReporter(kMetricUncleanShutdownIntervalName, |
| 231 | &unclean_shutdown_interval_); |
| 232 | ConfigureCrashIntervalReporter(kMetricUserCrashIntervalName, |
| 233 | &user_crash_interval_); |
Darin Petkov | 2ccef01 | 2010-05-05 16:06:37 -0700 | [diff] [blame] | 234 | |
Ken Mixter | 4c5daa4 | 2010-08-26 18:35:06 -0700 | [diff] [blame] | 235 | DeleteFrequencyCounters(); |
| 236 | ConfigureCrashFrequencyReporter(kMetricAnyCrashesDailyName); |
Ken Mixter | 4c5daa4 | 2010-08-26 18:35:06 -0700 | [diff] [blame] | 237 | ConfigureCrashFrequencyReporter(kMetricAnyCrashesWeeklyName); |
| 238 | ConfigureCrashFrequencyReporter(kMetricKernelCrashesDailyName); |
| 239 | ConfigureCrashFrequencyReporter(kMetricKernelCrashesWeeklyName); |
| 240 | ConfigureCrashFrequencyReporter(kMetricUncleanShutdownsDailyName); |
| 241 | ConfigureCrashFrequencyReporter(kMetricUncleanShutdownsWeeklyName); |
| 242 | ConfigureCrashFrequencyReporter(kMetricUserCrashesDailyName); |
| 243 | ConfigureCrashFrequencyReporter(kMetricUserCrashesWeeklyName); |
Darin Petkov | 38d5cb0 | 2010-06-24 12:10:26 -0700 | [diff] [blame] | 244 | |
Luigi Semenzato | 0f132bb | 2011-02-28 11:17:43 -0800 | [diff] [blame^] | 245 | // Don't attempt to collect disk stats if there is no disk stats file. |
| 246 | if (!diskstats_path.empty()) { |
| 247 | diskstats_path_ = diskstats_path; |
| 248 | DiskStatsReporterInit(); |
| 249 | } |
Luigi Semenzato | c88e42d | 2011-02-17 10:21:16 -0800 | [diff] [blame] | 250 | |
Darin Petkov | 2ccef01 | 2010-05-05 16:06:37 -0700 | [diff] [blame] | 251 | // Don't setup D-Bus and GLib in test mode. |
| 252 | if (testing) |
| 253 | return; |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 254 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 255 | g_thread_init(NULL); |
| 256 | g_type_init(); |
| 257 | dbus_g_thread_init(); |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 258 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 259 | DBusError error; |
| 260 | dbus_error_init(&error); |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 261 | |
David James | 3b3add5 | 2010-06-04 15:01:19 -0700 | [diff] [blame] | 262 | DBusConnection* connection = dbus_bus_get(DBUS_BUS_SYSTEM, &error); |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 263 | LOG_IF(FATAL, dbus_error_is_set(&error)) << |
| 264 | "No D-Bus connection: " << SAFE_MESSAGE(error); |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 265 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 266 | dbus_connection_setup_with_g_main(connection, NULL); |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 267 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 268 | // Registers D-Bus matches for the signals we would like to catch. |
Darin Petkov | 1bb904e | 2010-06-16 15:58:06 -0700 | [diff] [blame] | 269 | for (unsigned int m = 0; m < arraysize(kDBusMatches_); m++) { |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 270 | const char* match = kDBusMatches_[m]; |
| 271 | DLOG(INFO) << "adding dbus match: " << match; |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 272 | dbus_bus_add_match(connection, match, &error); |
| 273 | LOG_IF(FATAL, dbus_error_is_set(&error)) << |
| 274 | "unable to add a match: " << SAFE_MESSAGE(error); |
| 275 | } |
| 276 | |
| 277 | // Adds the D-Bus filter routine to be called back whenever one of |
| 278 | // the registered D-Bus matches is successful. The daemon is not |
| 279 | // activated for D-Bus messages that don't match. |
| 280 | CHECK(dbus_connection_add_filter(connection, MessageFilter, this, NULL)); |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 281 | } |
| 282 | |
| 283 | void MetricsDaemon::Loop() { |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 284 | GMainLoop* loop = g_main_loop_new(NULL, false); |
| 285 | g_main_loop_run(loop); |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 286 | } |
| 287 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 288 | // static |
| 289 | DBusHandlerResult MetricsDaemon::MessageFilter(DBusConnection* connection, |
| 290 | DBusMessage* message, |
| 291 | void* user_data) { |
Darin Petkov | f27f036 | 2010-06-04 13:14:19 -0700 | [diff] [blame] | 292 | Time now = Time::Now(); |
| 293 | TimeTicks ticks = TimeTicks::Now(); |
| 294 | DLOG(INFO) << "message intercepted @ " << now.ToInternalValue(); |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 295 | |
| 296 | int message_type = dbus_message_get_type(message); |
| 297 | if (message_type != DBUS_MESSAGE_TYPE_SIGNAL) { |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 298 | DLOG(WARNING) << "unexpected message type " << message_type; |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 299 | return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; |
| 300 | } |
| 301 | |
| 302 | // Signal messages always have interfaces. |
| 303 | const char* interface = dbus_message_get_interface(message); |
| 304 | CHECK(interface != NULL); |
| 305 | |
| 306 | MetricsDaemon* daemon = static_cast<MetricsDaemon*>(user_data); |
| 307 | |
| 308 | DBusMessageIter iter; |
| 309 | dbus_message_iter_init(message, &iter); |
Darin Petkov | 1bb904e | 2010-06-16 15:58:06 -0700 | [diff] [blame] | 310 | if (strcmp(interface, DBUS_IFACE_CRASH_REPORTER) == 0) { |
| 311 | CHECK(strcmp(dbus_message_get_member(message), |
| 312 | "UserCrash") == 0); |
| 313 | daemon->ProcessUserCrash(); |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 314 | } else if (strcmp(interface, DBUS_IFACE_POWER_MANAGER) == 0) { |
David James | 6bf6e25 | 2010-06-06 18:52:40 -0700 | [diff] [blame] | 315 | const char* member = dbus_message_get_member(message); |
| 316 | if (strcmp(member, "ScreenIsLocked") == 0) { |
| 317 | daemon->SetUserActiveState(false, now); |
| 318 | } else if (strcmp(member, "ScreenIsUnlocked") == 0) { |
| 319 | daemon->SetUserActiveState(true, now); |
| 320 | } else if (strcmp(member, "PowerStateChanged") == 0) { |
| 321 | char* state_name; |
| 322 | dbus_message_iter_get_basic(&iter, &state_name); |
| 323 | daemon->PowerStateChanged(state_name, now); |
| 324 | } |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 325 | } else if (strcmp(interface, DBUS_IFACE_SESSION_MANAGER) == 0) { |
| 326 | CHECK(strcmp(dbus_message_get_member(message), |
| 327 | "SessionStateChanged") == 0); |
| 328 | |
David James | 3b3add5 | 2010-06-04 15:01:19 -0700 | [diff] [blame] | 329 | char* state_name; |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 330 | dbus_message_iter_get_basic(&iter, &state_name); |
| 331 | daemon->SessionStateChanged(state_name, now); |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 332 | } else { |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 333 | DLOG(WARNING) << "unexpected interface: " << interface; |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 334 | return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; |
| 335 | } |
| 336 | |
| 337 | return DBUS_HANDLER_RESULT_HANDLED; |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 338 | } |
| 339 | |
Darin Petkov | f27f036 | 2010-06-04 13:14:19 -0700 | [diff] [blame] | 340 | void MetricsDaemon::PowerStateChanged(const char* state_name, Time now) { |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 341 | DLOG(INFO) << "power state: " << state_name; |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 342 | power_state_ = LookupPowerState(state_name); |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 343 | |
| 344 | if (power_state_ != kPowerStateOn) |
| 345 | SetUserActiveState(false, now); |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 346 | } |
| 347 | |
| 348 | MetricsDaemon::PowerState |
| 349 | MetricsDaemon::LookupPowerState(const char* state_name) { |
| 350 | for (int i = 0; i < kNumberPowerStates; i++) { |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 351 | if (strcmp(state_name, kPowerStates_[i]) == 0) { |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 352 | return static_cast<PowerState>(i); |
| 353 | } |
| 354 | } |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 355 | DLOG(WARNING) << "unknown power state: " << state_name; |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 356 | return kUnknownPowerState; |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 357 | } |
| 358 | |
Darin Petkov | f27f036 | 2010-06-04 13:14:19 -0700 | [diff] [blame] | 359 | void MetricsDaemon::SessionStateChanged(const char* state_name, Time now) { |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 360 | DLOG(INFO) << "user session state: " << state_name; |
| 361 | session_state_ = LookupSessionState(state_name); |
| 362 | SetUserActiveState(session_state_ == kSessionStateStarted, now); |
| 363 | } |
| 364 | |
| 365 | MetricsDaemon::SessionState |
| 366 | MetricsDaemon::LookupSessionState(const char* state_name) { |
| 367 | for (int i = 0; i < kNumberSessionStates; i++) { |
| 368 | if (strcmp(state_name, kSessionStates_[i]) == 0) { |
| 369 | return static_cast<SessionState>(i); |
| 370 | } |
| 371 | } |
| 372 | DLOG(WARNING) << "unknown user session state: " << state_name; |
| 373 | return kUnknownSessionState; |
| 374 | } |
| 375 | |
Darin Petkov | f27f036 | 2010-06-04 13:14:19 -0700 | [diff] [blame] | 376 | void MetricsDaemon::SetUserActiveState(bool active, Time now) { |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 377 | DLOG(INFO) << "user: " << (active ? "active" : "inactive"); |
| 378 | |
| 379 | // Calculates the seconds of active use since the last update and |
Darin Petkov | f27f036 | 2010-06-04 13:14:19 -0700 | [diff] [blame] | 380 | // the day since Epoch, and logs the usage data. Guards against the |
| 381 | // time jumping back and forth due to the user changing it by |
| 382 | // discarding the new use time. |
| 383 | int seconds = 0; |
| 384 | if (user_active_ && now > user_active_last_) { |
| 385 | TimeDelta since_active = now - user_active_last_; |
| 386 | if (since_active < TimeDelta::FromSeconds( |
| 387 | kUseMonitorIntervalMax + kSecondsPerMinute)) { |
| 388 | seconds = static_cast<int>(since_active.InSeconds()); |
| 389 | } |
| 390 | } |
| 391 | TimeDelta since_epoch = now - Time(); |
| 392 | int day = since_epoch.InDays(); |
Darin Petkov | f1e85e4 | 2010-06-10 15:59:53 -0700 | [diff] [blame] | 393 | daily_use_->Update(day, seconds); |
Darin Petkov | 1bb904e | 2010-06-16 15:58:06 -0700 | [diff] [blame] | 394 | user_crash_interval_->Update(0, seconds); |
Darin Petkov | 38d5cb0 | 2010-06-24 12:10:26 -0700 | [diff] [blame] | 395 | kernel_crash_interval_->Update(0, seconds); |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 396 | |
Ken Mixter | 4c5daa4 | 2010-08-26 18:35:06 -0700 | [diff] [blame] | 397 | // Flush finished cycles of all frequency counters. |
| 398 | for (FrequencyCounters::iterator i = frequency_counters_.begin(); |
| 399 | i != frequency_counters_.end(); ++i) { |
| 400 | i->second->FlushFinishedCycles(); |
| 401 | } |
| 402 | |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 403 | // Schedules a use monitor on inactive->active transitions and |
| 404 | // unschedules it on active->inactive transitions. |
| 405 | if (!user_active_ && active) |
| 406 | ScheduleUseMonitor(kUseMonitorIntervalInit, /* backoff */ false); |
| 407 | else if (user_active_ && !active) |
| 408 | UnscheduleUseMonitor(); |
| 409 | |
| 410 | // Remembers the current active state and the time of the last |
| 411 | // activity update. |
| 412 | user_active_ = active; |
| 413 | user_active_last_ = now; |
| 414 | } |
| 415 | |
Darin Petkov | 1bb904e | 2010-06-16 15:58:06 -0700 | [diff] [blame] | 416 | void MetricsDaemon::ProcessUserCrash() { |
| 417 | // Counts the active use time up to now. |
| 418 | SetUserActiveState(user_active_, Time::Now()); |
| 419 | |
| 420 | // Reports the active use time since the last crash and resets it. |
| 421 | user_crash_interval_->Flush(); |
Ken Mixter | ccd84c0 | 2010-08-16 19:57:13 -0700 | [diff] [blame] | 422 | |
Ken Mixter | 4c5daa4 | 2010-08-26 18:35:06 -0700 | [diff] [blame] | 423 | frequency_counters_[kMetricUserCrashesDailyName]->Update(1); |
| 424 | frequency_counters_[kMetricUserCrashesWeeklyName]->Update(1); |
| 425 | frequency_counters_[kMetricAnyCrashesDailyName]->Update(1); |
| 426 | frequency_counters_[kMetricAnyCrashesWeeklyName]->Update(1); |
Darin Petkov | 1bb904e | 2010-06-16 15:58:06 -0700 | [diff] [blame] | 427 | } |
| 428 | |
Darin Petkov | 38d5cb0 | 2010-06-24 12:10:26 -0700 | [diff] [blame] | 429 | void MetricsDaemon::ProcessKernelCrash() { |
| 430 | // Counts the active use time up to now. |
| 431 | SetUserActiveState(user_active_, Time::Now()); |
| 432 | |
| 433 | // Reports the active use time since the last crash and resets it. |
| 434 | kernel_crash_interval_->Flush(); |
Ken Mixter | ccd84c0 | 2010-08-16 19:57:13 -0700 | [diff] [blame] | 435 | |
Ken Mixter | 4c5daa4 | 2010-08-26 18:35:06 -0700 | [diff] [blame] | 436 | frequency_counters_[kMetricKernelCrashesDailyName]->Update(1); |
| 437 | frequency_counters_[kMetricKernelCrashesWeeklyName]->Update(1); |
| 438 | frequency_counters_[kMetricAnyCrashesDailyName]->Update(1); |
| 439 | frequency_counters_[kMetricAnyCrashesWeeklyName]->Update(1); |
Darin Petkov | 38d5cb0 | 2010-06-24 12:10:26 -0700 | [diff] [blame] | 440 | } |
| 441 | |
Ken Mixter | ccd84c0 | 2010-08-16 19:57:13 -0700 | [diff] [blame] | 442 | void MetricsDaemon::ProcessUncleanShutdown() { |
| 443 | // Counts the active use time up to now. |
| 444 | SetUserActiveState(user_active_, Time::Now()); |
| 445 | |
| 446 | // Reports the active use time since the last crash and resets it. |
| 447 | unclean_shutdown_interval_->Flush(); |
| 448 | |
Ken Mixter | 4c5daa4 | 2010-08-26 18:35:06 -0700 | [diff] [blame] | 449 | frequency_counters_[kMetricUncleanShutdownsDailyName]->Update(1); |
| 450 | frequency_counters_[kMetricUncleanShutdownsWeeklyName]->Update(1); |
| 451 | frequency_counters_[kMetricAnyCrashesDailyName]->Update(1); |
| 452 | frequency_counters_[kMetricAnyCrashesWeeklyName]->Update(1); |
Ken Mixter | ccd84c0 | 2010-08-16 19:57:13 -0700 | [diff] [blame] | 453 | } |
| 454 | |
| 455 | bool MetricsDaemon::CheckSystemCrash(const std::string& crash_file) { |
Darin Petkov | 38d5cb0 | 2010-06-24 12:10:26 -0700 | [diff] [blame] | 456 | FilePath crash_detected(crash_file); |
| 457 | if (!file_util::PathExists(crash_detected)) |
Ken Mixter | ccd84c0 | 2010-08-16 19:57:13 -0700 | [diff] [blame] | 458 | return false; |
Darin Petkov | 38d5cb0 | 2010-06-24 12:10:26 -0700 | [diff] [blame] | 459 | |
| 460 | // Deletes the crash-detected file so that the daemon doesn't report |
| 461 | // another kernel crash in case it's restarted. |
| 462 | file_util::Delete(crash_detected, |
| 463 | false); // recursive |
Ken Mixter | ccd84c0 | 2010-08-16 19:57:13 -0700 | [diff] [blame] | 464 | return true; |
Darin Petkov | 38d5cb0 | 2010-06-24 12:10:26 -0700 | [diff] [blame] | 465 | } |
| 466 | |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 467 | // static |
| 468 | gboolean MetricsDaemon::UseMonitorStatic(gpointer data) { |
| 469 | return static_cast<MetricsDaemon*>(data)->UseMonitor() ? TRUE : FALSE; |
| 470 | } |
| 471 | |
| 472 | bool MetricsDaemon::UseMonitor() { |
Darin Petkov | f27f036 | 2010-06-04 13:14:19 -0700 | [diff] [blame] | 473 | SetUserActiveState(user_active_, Time::Now()); |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 474 | |
| 475 | // If a new monitor source/instance is scheduled, returns false to |
| 476 | // tell GLib to destroy this monitor source/instance. Returns true |
| 477 | // otherwise to keep calling back this monitor. |
| 478 | return !ScheduleUseMonitor(usemon_interval_ * 2, /* backoff */ true); |
| 479 | } |
| 480 | |
| 481 | bool MetricsDaemon::ScheduleUseMonitor(int interval, bool backoff) |
| 482 | { |
Darin Petkov | 2ccef01 | 2010-05-05 16:06:37 -0700 | [diff] [blame] | 483 | if (testing_) |
| 484 | return false; |
| 485 | |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 486 | // Caps the interval -- the bigger the interval, the more active use |
| 487 | // time will be potentially dropped on system shutdown. |
| 488 | if (interval > kUseMonitorIntervalMax) |
| 489 | interval = kUseMonitorIntervalMax; |
| 490 | |
| 491 | if (backoff) { |
| 492 | // Back-off mode is used by the use monitor to reschedule itself |
| 493 | // with exponential back-off in time. This mode doesn't create a |
| 494 | // new timeout source if the new interval is the same as the old |
| 495 | // one. Also, if a new timeout source is created, the old one is |
| 496 | // not destroyed explicitly here -- it will be destroyed by GLib |
| 497 | // when the monitor returns FALSE (see UseMonitor and |
| 498 | // UseMonitorStatic). |
| 499 | if (interval == usemon_interval_) |
| 500 | return false; |
| 501 | } else { |
| 502 | UnscheduleUseMonitor(); |
| 503 | } |
| 504 | |
| 505 | // Schedules a new use monitor for |interval| seconds from now. |
| 506 | DLOG(INFO) << "scheduling use monitor in " << interval << " seconds"; |
| 507 | usemon_source_ = g_timeout_source_new_seconds(interval); |
| 508 | g_source_set_callback(usemon_source_, UseMonitorStatic, this, |
| 509 | NULL); // No destroy notification. |
| 510 | g_source_attach(usemon_source_, |
| 511 | NULL); // Default context. |
| 512 | usemon_interval_ = interval; |
| 513 | return true; |
| 514 | } |
| 515 | |
| 516 | void MetricsDaemon::UnscheduleUseMonitor() { |
| 517 | // If there's a use monitor scheduled already, destroys it. |
| 518 | if (usemon_source_ == NULL) |
| 519 | return; |
| 520 | |
| 521 | DLOG(INFO) << "destroying use monitor"; |
| 522 | g_source_destroy(usemon_source_); |
| 523 | usemon_source_ = NULL; |
| 524 | usemon_interval_ = 0; |
| 525 | } |
| 526 | |
Luigi Semenzato | c88e42d | 2011-02-17 10:21:16 -0800 | [diff] [blame] | 527 | void MetricsDaemon::DiskStatsReporterInit() { |
| 528 | DiskStatsReadStats(&read_sectors_, &write_sectors_); |
| 529 | // The first time around just run the long stat, so we don't delay boot. |
| 530 | diskstats_state_ = kDiskStatsLong; |
| 531 | ScheduleDiskStatsCallback(kMetricDiskStatsLongInterval); |
| 532 | } |
| 533 | |
| 534 | void MetricsDaemon::ScheduleDiskStatsCallback(int wait) { |
| 535 | if (testing_) { |
| 536 | return; |
| 537 | } |
| 538 | g_timeout_add_seconds(wait, DiskStatsCallbackStatic, this); |
| 539 | } |
| 540 | |
| 541 | void MetricsDaemon::DiskStatsReadStats(long int* read_sectors, |
| 542 | long int* write_sectors) { |
| 543 | int nchars; |
| 544 | int nitems; |
| 545 | char line[200]; |
Luigi Semenzato | 0f132bb | 2011-02-28 11:17:43 -0800 | [diff] [blame^] | 546 | int file = HANDLE_EINTR(open(diskstats_path_.c_str(), O_RDONLY)); |
Luigi Semenzato | c88e42d | 2011-02-17 10:21:16 -0800 | [diff] [blame] | 547 | if (file < 0) { |
| 548 | PLOG(WARNING) << "cannot open " << diskstats_path_; |
| 549 | return; |
| 550 | } |
| 551 | nchars = HANDLE_EINTR(read(file, line, sizeof(line))); |
| 552 | if (nchars < 0) { |
| 553 | PLOG(WARNING) << "cannot read from " << diskstats_path_; |
| 554 | } else { |
| 555 | LOG_IF(WARNING, nchars == sizeof(line)) << "line too long in " |
| 556 | << diskstats_path_; |
| 557 | line[nchars] = '\0'; |
| 558 | nitems = sscanf(line, "%*d %*d %ld %*d %*d %*d %ld", |
| 559 | read_sectors, write_sectors); |
| 560 | LOG_IF(WARNING, nitems != 2) << "found " << nitems << " items in " |
| 561 | << diskstats_path_ << ", expected 2"; |
| 562 | } |
| 563 | HANDLE_EINTR(close(file)); |
| 564 | } |
| 565 | |
| 566 | // static |
| 567 | gboolean MetricsDaemon::DiskStatsCallbackStatic(void* handle) { |
| 568 | (static_cast<MetricsDaemon*>(handle))->DiskStatsCallback(); |
| 569 | return false; // one-time callback |
| 570 | } |
| 571 | |
| 572 | void MetricsDaemon::DiskStatsCallback() { |
| 573 | long int read_sectors_now, write_sectors_now; |
| 574 | DiskStatsReadStats(&read_sectors_now, &write_sectors_now); |
| 575 | |
| 576 | switch (diskstats_state_) { |
| 577 | case kDiskStatsShort: |
| 578 | SendMetric(kMetricReadSectorsShortName, |
| 579 | (int) (read_sectors_now - read_sectors_) / |
| 580 | kMetricDiskStatsShortInterval, |
| 581 | 1, |
| 582 | kMetricSectorsIOMax, |
| 583 | kMetricSectorsBuckets); |
| 584 | SendMetric(kMetricWriteSectorsShortName, |
| 585 | (int) (write_sectors_now - write_sectors_) / |
| 586 | kMetricDiskStatsShortInterval, |
| 587 | 1, |
| 588 | kMetricSectorsIOMax, |
| 589 | kMetricSectorsBuckets); |
| 590 | // Schedule long callback. |
| 591 | diskstats_state_ = kDiskStatsLong; |
| 592 | ScheduleDiskStatsCallback(kMetricDiskStatsLongInterval - |
| 593 | kMetricDiskStatsShortInterval); |
| 594 | break; |
| 595 | case kDiskStatsLong: |
| 596 | SendMetric(kMetricReadSectorsLongName, |
| 597 | (int) (read_sectors_now - read_sectors_) / |
| 598 | kMetricDiskStatsLongInterval, |
| 599 | 1, |
| 600 | kMetricSectorsIOMax, |
| 601 | kMetricSectorsBuckets); |
| 602 | SendMetric(kMetricWriteSectorsLongName, |
| 603 | (int) (write_sectors_now - write_sectors_) / |
| 604 | kMetricDiskStatsLongInterval, |
| 605 | 1, |
| 606 | kMetricSectorsIOMax, |
| 607 | kMetricSectorsBuckets); |
| 608 | // Reset sector counters |
| 609 | read_sectors_ = read_sectors_now; |
| 610 | write_sectors_ = write_sectors_now; |
| 611 | // Schedule short callback. |
| 612 | diskstats_state_ = kDiskStatsShort; |
| 613 | ScheduleDiskStatsCallback(kMetricDiskStatsShortInterval); |
| 614 | break; |
| 615 | default: |
| 616 | LOG(FATAL) << "Invalid disk stats state"; |
| 617 | } |
| 618 | } |
| 619 | |
Darin Petkov | f1e85e4 | 2010-06-10 15:59:53 -0700 | [diff] [blame] | 620 | // static |
Ken Mixter | ccd84c0 | 2010-08-16 19:57:13 -0700 | [diff] [blame] | 621 | void MetricsDaemon::ReportDailyUse(void* handle, int tag, int count) { |
Darin Petkov | 1bb904e | 2010-06-16 15:58:06 -0700 | [diff] [blame] | 622 | if (count <= 0) |
| 623 | return; |
| 624 | |
Darin Petkov | f1e85e4 | 2010-06-10 15:59:53 -0700 | [diff] [blame] | 625 | MetricsDaemon* daemon = static_cast<MetricsDaemon*>(handle); |
| 626 | int minutes = (count + kSecondsPerMinute / 2) / kSecondsPerMinute; |
| 627 | daemon->SendMetric(kMetricDailyUseTimeName, minutes, |
| 628 | kMetricDailyUseTimeMin, |
| 629 | kMetricDailyUseTimeMax, |
| 630 | kMetricDailyUseTimeBuckets); |
| 631 | } |
| 632 | |
Darin Petkov | 38d5cb0 | 2010-06-24 12:10:26 -0700 | [diff] [blame] | 633 | void MetricsDaemon::SendMetric(const string& name, int sample, |
Darin Petkov | 11b8eb3 | 2010-05-18 11:00:59 -0700 | [diff] [blame] | 634 | int min, int max, int nbuckets) { |
Darin Petkov | fc91b42 | 2010-05-12 13:05:45 -0700 | [diff] [blame] | 635 | DLOG(INFO) << "received metric: " << name << " " << sample << " " |
| 636 | << min << " " << max << " " << nbuckets; |
| 637 | metrics_lib_->SendToUMA(name, sample, min, max, nbuckets); |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 638 | } |