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 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 7 | #include <dbus/dbus-glib-lowlevel.h> |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 8 | |
| 9 | #include <base/logging.h> |
| 10 | |
Darin Petkov | f1e85e4 | 2010-06-10 15:59:53 -0700 | [diff] [blame] | 11 | #include "counter.h" |
| 12 | |
Darin Petkov | f27f036 | 2010-06-04 13:14:19 -0700 | [diff] [blame] | 13 | using base::Time; |
| 14 | using base::TimeDelta; |
| 15 | using base::TimeTicks; |
| 16 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 17 | #define SAFE_MESSAGE(e) (e.message ? e.message : "unknown error") |
Darin Petkov | 1bb904e | 2010-06-16 15:58:06 -0700 | [diff] [blame^] | 18 | #define DBUS_IFACE_CRASH_REPORTER "org.chromium.CrashReporter" |
Darin Petkov | e334840 | 2010-06-04 14:07:41 -0700 | [diff] [blame] | 19 | #define DBUS_IFACE_FLIMFLAM_MANAGER "org.chromium.flimflam.Manager" |
David James | 6bf6e25 | 2010-06-06 18:52:40 -0700 | [diff] [blame] | 20 | #define DBUS_IFACE_POWER_MANAGER "org.chromium.PowerManager" |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 21 | #define DBUS_IFACE_SESSION_MANAGER "org.chromium.SessionManagerInterface" |
| 22 | |
| 23 | // File to aggregate daily usage before sending to UMA. |
| 24 | // TODO(petkov): This file should probably live in a user-specific stateful |
| 25 | // location, e.g., /home/chronos/user. |
| 26 | static const char kDailyUseRecordFile[] = "/var/log/metrics/daily-usage"; |
Darin Petkov | 1bb904e | 2010-06-16 15:58:06 -0700 | [diff] [blame^] | 27 | static const char kUserCrashIntervalRecordFile[] = |
| 28 | "/var/log/metrics/user-crash-interval"; |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 29 | |
| 30 | static const int kSecondsPerMinute = 60; |
| 31 | static const int kMinutesPerHour = 60; |
| 32 | static const int kHoursPerDay = 24; |
| 33 | static const int kMinutesPerDay = kHoursPerDay * kMinutesPerHour; |
Darin Petkov | 1bb904e | 2010-06-16 15:58:06 -0700 | [diff] [blame^] | 34 | static const int kSecondsPerDay = kSecondsPerMinute * kMinutesPerDay; |
| 35 | static const int kDaysPerWeek = 7; |
| 36 | static const int kSecondsPerWeek = kSecondsPerDay * kDaysPerWeek; |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 37 | |
| 38 | // The daily use monitor is scheduled to a 1-minute interval after |
| 39 | // initial user activity and then it's exponentially backed off to |
| 40 | // 10-minute intervals. Although not required, the back off is |
| 41 | // implemented because the histogram buckets are spaced exponentially |
| 42 | // anyway and to avoid too frequent metrics daemon process wake-ups |
| 43 | // and file I/O. |
| 44 | static const int kUseMonitorIntervalInit = 1 * kSecondsPerMinute; |
| 45 | static const int kUseMonitorIntervalMax = 10 * kSecondsPerMinute; |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 46 | |
Darin Petkov | 2ccef01 | 2010-05-05 16:06:37 -0700 | [diff] [blame] | 47 | // static metrics parameters. |
| 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 | |
| 54 | const char MetricsDaemon::kMetricTimeToNetworkDropName[] = |
| 55 | "Network.TimeToDrop"; |
| 56 | const int MetricsDaemon::kMetricTimeToNetworkDropMin = 1; |
| 57 | const int MetricsDaemon::kMetricTimeToNetworkDropMax = |
| 58 | 8 /* hours */ * kMinutesPerHour * kSecondsPerMinute; |
| 59 | const int MetricsDaemon::kMetricTimeToNetworkDropBuckets = 50; |
| 60 | |
Darin Petkov | 1bb904e | 2010-06-16 15:58:06 -0700 | [diff] [blame^] | 61 | const char MetricsDaemon::kMetricUserCrashIntervalName[] = |
| 62 | "Logging.UserCrashInterval"; |
| 63 | const int MetricsDaemon::kMetricUserCrashIntervalMin = 1; |
| 64 | const int MetricsDaemon::kMetricUserCrashIntervalMax = 4 * kSecondsPerWeek; |
| 65 | const int MetricsDaemon::kMetricUserCrashIntervalBuckets = 50; |
| 66 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 67 | // static |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 68 | const char* MetricsDaemon::kDBusMatches_[] = { |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 69 | "type='signal'," |
Darin Petkov | 1bb904e | 2010-06-16 15:58:06 -0700 | [diff] [blame^] | 70 | "interface='" DBUS_IFACE_CRASH_REPORTER "'," |
| 71 | "path='/'," |
| 72 | "member='UserCrash'", |
| 73 | |
| 74 | "type='signal'," |
Darin Petkov | e334840 | 2010-06-04 14:07:41 -0700 | [diff] [blame] | 75 | "sender='org.chromium.flimflam'," |
| 76 | "interface='" DBUS_IFACE_FLIMFLAM_MANAGER "'," |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 77 | "path='/'," |
| 78 | "member='StateChanged'", |
| 79 | |
| 80 | "type='signal'," |
| 81 | "interface='" DBUS_IFACE_POWER_MANAGER "'," |
Benson Leung | 53faeb0 | 2010-06-08 15:59:13 -0700 | [diff] [blame] | 82 | "path='/'", |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 83 | |
| 84 | "type='signal'," |
| 85 | "sender='org.chromium.SessionManager'," |
| 86 | "interface='" DBUS_IFACE_SESSION_MANAGER "'," |
| 87 | "path='/org/chromium/SessionManager'," |
| 88 | "member='SessionStateChanged'", |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 89 | }; |
| 90 | |
| 91 | // static |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 92 | const char* MetricsDaemon::kNetworkStates_[] = { |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 93 | #define STATE(name, capname) #name, |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 94 | #include "network_states.h" |
| 95 | }; |
| 96 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 97 | // static |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 98 | const char* MetricsDaemon::kPowerStates_[] = { |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 99 | #define STATE(name, capname) #name, |
| 100 | #include "power_states.h" |
| 101 | }; |
| 102 | |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 103 | // static |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 104 | const char* MetricsDaemon::kSessionStates_[] = { |
| 105 | #define STATE(name, capname) #name, |
| 106 | #include "session_states.h" |
| 107 | }; |
| 108 | |
Darin Petkov | f1e85e4 | 2010-06-10 15:59:53 -0700 | [diff] [blame] | 109 | MetricsDaemon::MetricsDaemon() |
| 110 | : network_state_(kUnknownNetworkState), |
| 111 | power_state_(kUnknownPowerState), |
| 112 | session_state_(kUnknownSessionState), |
| 113 | user_active_(false), |
| 114 | usemon_interval_(0), |
| 115 | usemon_source_(NULL) {} |
| 116 | |
| 117 | MetricsDaemon::~MetricsDaemon() {} |
| 118 | |
Darin Petkov | 2ccef01 | 2010-05-05 16:06:37 -0700 | [diff] [blame] | 119 | void MetricsDaemon::Run(bool run_as_daemon) { |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 120 | if (!run_as_daemon || daemon(0, 0) == 0) { |
| 121 | Loop(); |
| 122 | } |
| 123 | } |
| 124 | |
Darin Petkov | fc91b42 | 2010-05-12 13:05:45 -0700 | [diff] [blame] | 125 | void MetricsDaemon::Init(bool testing, MetricsLibraryInterface* metrics_lib) { |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 126 | testing_ = testing; |
Darin Petkov | fc91b42 | 2010-05-12 13:05:45 -0700 | [diff] [blame] | 127 | DCHECK(metrics_lib != NULL); |
| 128 | metrics_lib_ = metrics_lib; |
Darin Petkov | f1e85e4 | 2010-06-10 15:59:53 -0700 | [diff] [blame] | 129 | daily_use_.reset(new chromeos_metrics::TaggedCounter()); |
| 130 | daily_use_->Init(kDailyUseRecordFile, &DailyUseReporter, this); |
Darin Petkov | 1bb904e | 2010-06-16 15:58:06 -0700 | [diff] [blame^] | 131 | user_crash_interval_.reset(new chromeos_metrics::TaggedCounter()); |
| 132 | user_crash_interval_->Init(kUserCrashIntervalRecordFile, |
| 133 | &UserCrashIntervalReporter, this); |
Darin Petkov | 2ccef01 | 2010-05-05 16:06:37 -0700 | [diff] [blame] | 134 | |
| 135 | // Don't setup D-Bus and GLib in test mode. |
| 136 | if (testing) |
| 137 | return; |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 138 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 139 | g_thread_init(NULL); |
| 140 | g_type_init(); |
| 141 | dbus_g_thread_init(); |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 142 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 143 | DBusError error; |
| 144 | dbus_error_init(&error); |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 145 | |
David James | 3b3add5 | 2010-06-04 15:01:19 -0700 | [diff] [blame] | 146 | DBusConnection* connection = dbus_bus_get(DBUS_BUS_SYSTEM, &error); |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 147 | LOG_IF(FATAL, dbus_error_is_set(&error)) << |
| 148 | "No D-Bus connection: " << SAFE_MESSAGE(error); |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 149 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 150 | dbus_connection_setup_with_g_main(connection, NULL); |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 151 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 152 | // Registers D-Bus matches for the signals we would like to catch. |
Darin Petkov | 1bb904e | 2010-06-16 15:58:06 -0700 | [diff] [blame^] | 153 | for (unsigned int m = 0; m < arraysize(kDBusMatches_); m++) { |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 154 | const char* match = kDBusMatches_[m]; |
| 155 | DLOG(INFO) << "adding dbus match: " << match; |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 156 | dbus_bus_add_match(connection, match, &error); |
| 157 | LOG_IF(FATAL, dbus_error_is_set(&error)) << |
| 158 | "unable to add a match: " << SAFE_MESSAGE(error); |
| 159 | } |
| 160 | |
| 161 | // Adds the D-Bus filter routine to be called back whenever one of |
| 162 | // the registered D-Bus matches is successful. The daemon is not |
| 163 | // activated for D-Bus messages that don't match. |
| 164 | CHECK(dbus_connection_add_filter(connection, MessageFilter, this, NULL)); |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 165 | } |
| 166 | |
| 167 | void MetricsDaemon::Loop() { |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 168 | GMainLoop* loop = g_main_loop_new(NULL, false); |
| 169 | g_main_loop_run(loop); |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 170 | } |
| 171 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 172 | // static |
| 173 | DBusHandlerResult MetricsDaemon::MessageFilter(DBusConnection* connection, |
| 174 | DBusMessage* message, |
| 175 | void* user_data) { |
Darin Petkov | f27f036 | 2010-06-04 13:14:19 -0700 | [diff] [blame] | 176 | Time now = Time::Now(); |
| 177 | TimeTicks ticks = TimeTicks::Now(); |
| 178 | DLOG(INFO) << "message intercepted @ " << now.ToInternalValue(); |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 179 | |
| 180 | int message_type = dbus_message_get_type(message); |
| 181 | if (message_type != DBUS_MESSAGE_TYPE_SIGNAL) { |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 182 | DLOG(WARNING) << "unexpected message type " << message_type; |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 183 | return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; |
| 184 | } |
| 185 | |
| 186 | // Signal messages always have interfaces. |
| 187 | const char* interface = dbus_message_get_interface(message); |
| 188 | CHECK(interface != NULL); |
| 189 | |
| 190 | MetricsDaemon* daemon = static_cast<MetricsDaemon*>(user_data); |
| 191 | |
| 192 | DBusMessageIter iter; |
| 193 | dbus_message_iter_init(message, &iter); |
Darin Petkov | 1bb904e | 2010-06-16 15:58:06 -0700 | [diff] [blame^] | 194 | if (strcmp(interface, DBUS_IFACE_CRASH_REPORTER) == 0) { |
| 195 | CHECK(strcmp(dbus_message_get_member(message), |
| 196 | "UserCrash") == 0); |
| 197 | daemon->ProcessUserCrash(); |
| 198 | } else if (strcmp(interface, DBUS_IFACE_FLIMFLAM_MANAGER) == 0) { |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 199 | CHECK(strcmp(dbus_message_get_member(message), |
| 200 | "StateChanged") == 0); |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 201 | |
David James | 3b3add5 | 2010-06-04 15:01:19 -0700 | [diff] [blame] | 202 | char* state_name; |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 203 | dbus_message_iter_get_basic(&iter, &state_name); |
Darin Petkov | f27f036 | 2010-06-04 13:14:19 -0700 | [diff] [blame] | 204 | daemon->NetStateChanged(state_name, ticks); |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 205 | } else if (strcmp(interface, DBUS_IFACE_POWER_MANAGER) == 0) { |
David James | 6bf6e25 | 2010-06-06 18:52:40 -0700 | [diff] [blame] | 206 | const char* member = dbus_message_get_member(message); |
| 207 | if (strcmp(member, "ScreenIsLocked") == 0) { |
| 208 | daemon->SetUserActiveState(false, now); |
| 209 | } else if (strcmp(member, "ScreenIsUnlocked") == 0) { |
| 210 | daemon->SetUserActiveState(true, now); |
| 211 | } else if (strcmp(member, "PowerStateChanged") == 0) { |
| 212 | char* state_name; |
| 213 | dbus_message_iter_get_basic(&iter, &state_name); |
| 214 | daemon->PowerStateChanged(state_name, now); |
| 215 | } |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 216 | } else if (strcmp(interface, DBUS_IFACE_SESSION_MANAGER) == 0) { |
| 217 | CHECK(strcmp(dbus_message_get_member(message), |
| 218 | "SessionStateChanged") == 0); |
| 219 | |
David James | 3b3add5 | 2010-06-04 15:01:19 -0700 | [diff] [blame] | 220 | char* state_name; |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 221 | dbus_message_iter_get_basic(&iter, &state_name); |
| 222 | daemon->SessionStateChanged(state_name, now); |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 223 | } else { |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 224 | DLOG(WARNING) << "unexpected interface: " << interface; |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 225 | return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; |
| 226 | } |
| 227 | |
| 228 | return DBUS_HANDLER_RESULT_HANDLED; |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 229 | } |
| 230 | |
Darin Petkov | f27f036 | 2010-06-04 13:14:19 -0700 | [diff] [blame] | 231 | void MetricsDaemon::NetStateChanged(const char* state_name, TimeTicks ticks) { |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 232 | DLOG(INFO) << "network state: " << state_name; |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 233 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 234 | NetworkState state = LookupNetworkState(state_name); |
| 235 | |
| 236 | // Logs the time in seconds between the network going online to |
Darin Petkov | 2ccef01 | 2010-05-05 16:06:37 -0700 | [diff] [blame] | 237 | // going offline (or, more precisely, going not online) in order to |
| 238 | // measure the mean time to network dropping. Going offline as part |
| 239 | // of suspend-to-RAM is not logged as network drop -- the assumption |
| 240 | // is that the message for suspend-to-RAM comes before the network |
| 241 | // offline message which seems to and should be the case. |
| 242 | if (state != kNetworkStateOnline && |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 243 | network_state_ == kNetworkStateOnline && |
| 244 | power_state_ != kPowerStateMem) { |
Darin Petkov | f27f036 | 2010-06-04 13:14:19 -0700 | [diff] [blame] | 245 | TimeDelta since_online = ticks - network_state_last_; |
| 246 | int online_time = static_cast<int>(since_online.InSeconds()); |
Darin Petkov | 11b8eb3 | 2010-05-18 11:00:59 -0700 | [diff] [blame] | 247 | SendMetric(kMetricTimeToNetworkDropName, online_time, |
| 248 | kMetricTimeToNetworkDropMin, |
| 249 | kMetricTimeToNetworkDropMax, |
| 250 | kMetricTimeToNetworkDropBuckets); |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 251 | } |
| 252 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 253 | network_state_ = state; |
Darin Petkov | f27f036 | 2010-06-04 13:14:19 -0700 | [diff] [blame] | 254 | network_state_last_ = ticks; |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 255 | } |
| 256 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 257 | MetricsDaemon::NetworkState |
| 258 | MetricsDaemon::LookupNetworkState(const char* state_name) { |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 259 | for (int i = 0; i < kNumberNetworkStates; i++) { |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 260 | if (strcmp(state_name, kNetworkStates_[i]) == 0) { |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 261 | return static_cast<NetworkState>(i); |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 262 | } |
| 263 | } |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 264 | DLOG(WARNING) << "unknown network connection state: " << state_name; |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 265 | return kUnknownNetworkState; |
| 266 | } |
| 267 | |
Darin Petkov | f27f036 | 2010-06-04 13:14:19 -0700 | [diff] [blame] | 268 | void MetricsDaemon::PowerStateChanged(const char* state_name, Time now) { |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 269 | DLOG(INFO) << "power state: " << state_name; |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 270 | power_state_ = LookupPowerState(state_name); |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 271 | |
| 272 | if (power_state_ != kPowerStateOn) |
| 273 | SetUserActiveState(false, now); |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 274 | } |
| 275 | |
| 276 | MetricsDaemon::PowerState |
| 277 | MetricsDaemon::LookupPowerState(const char* state_name) { |
| 278 | for (int i = 0; i < kNumberPowerStates; i++) { |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 279 | if (strcmp(state_name, kPowerStates_[i]) == 0) { |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 280 | return static_cast<PowerState>(i); |
| 281 | } |
| 282 | } |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 283 | DLOG(WARNING) << "unknown power state: " << state_name; |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame] | 284 | return kUnknownPowerState; |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 285 | } |
| 286 | |
Darin Petkov | f27f036 | 2010-06-04 13:14:19 -0700 | [diff] [blame] | 287 | void MetricsDaemon::SessionStateChanged(const char* state_name, Time now) { |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 288 | DLOG(INFO) << "user session state: " << state_name; |
| 289 | session_state_ = LookupSessionState(state_name); |
| 290 | SetUserActiveState(session_state_ == kSessionStateStarted, now); |
| 291 | } |
| 292 | |
| 293 | MetricsDaemon::SessionState |
| 294 | MetricsDaemon::LookupSessionState(const char* state_name) { |
| 295 | for (int i = 0; i < kNumberSessionStates; i++) { |
| 296 | if (strcmp(state_name, kSessionStates_[i]) == 0) { |
| 297 | return static_cast<SessionState>(i); |
| 298 | } |
| 299 | } |
| 300 | DLOG(WARNING) << "unknown user session state: " << state_name; |
| 301 | return kUnknownSessionState; |
| 302 | } |
| 303 | |
Darin Petkov | f27f036 | 2010-06-04 13:14:19 -0700 | [diff] [blame] | 304 | void MetricsDaemon::SetUserActiveState(bool active, Time now) { |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 305 | DLOG(INFO) << "user: " << (active ? "active" : "inactive"); |
| 306 | |
| 307 | // Calculates the seconds of active use since the last update and |
Darin Petkov | f27f036 | 2010-06-04 13:14:19 -0700 | [diff] [blame] | 308 | // the day since Epoch, and logs the usage data. Guards against the |
| 309 | // time jumping back and forth due to the user changing it by |
| 310 | // discarding the new use time. |
| 311 | int seconds = 0; |
| 312 | if (user_active_ && now > user_active_last_) { |
| 313 | TimeDelta since_active = now - user_active_last_; |
| 314 | if (since_active < TimeDelta::FromSeconds( |
| 315 | kUseMonitorIntervalMax + kSecondsPerMinute)) { |
| 316 | seconds = static_cast<int>(since_active.InSeconds()); |
| 317 | } |
| 318 | } |
| 319 | TimeDelta since_epoch = now - Time(); |
| 320 | int day = since_epoch.InDays(); |
Darin Petkov | f1e85e4 | 2010-06-10 15:59:53 -0700 | [diff] [blame] | 321 | daily_use_->Update(day, seconds); |
Darin Petkov | 1bb904e | 2010-06-16 15:58:06 -0700 | [diff] [blame^] | 322 | user_crash_interval_->Update(0, seconds); |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 323 | |
| 324 | // Schedules a use monitor on inactive->active transitions and |
| 325 | // unschedules it on active->inactive transitions. |
| 326 | if (!user_active_ && active) |
| 327 | ScheduleUseMonitor(kUseMonitorIntervalInit, /* backoff */ false); |
| 328 | else if (user_active_ && !active) |
| 329 | UnscheduleUseMonitor(); |
| 330 | |
| 331 | // Remembers the current active state and the time of the last |
| 332 | // activity update. |
| 333 | user_active_ = active; |
| 334 | user_active_last_ = now; |
| 335 | } |
| 336 | |
Darin Petkov | 1bb904e | 2010-06-16 15:58:06 -0700 | [diff] [blame^] | 337 | void MetricsDaemon::ProcessUserCrash() { |
| 338 | // Counts the active use time up to now. |
| 339 | SetUserActiveState(user_active_, Time::Now()); |
| 340 | |
| 341 | // Reports the active use time since the last crash and resets it. |
| 342 | user_crash_interval_->Flush(); |
| 343 | } |
| 344 | |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 345 | // static |
| 346 | gboolean MetricsDaemon::UseMonitorStatic(gpointer data) { |
| 347 | return static_cast<MetricsDaemon*>(data)->UseMonitor() ? TRUE : FALSE; |
| 348 | } |
| 349 | |
| 350 | bool MetricsDaemon::UseMonitor() { |
Darin Petkov | f27f036 | 2010-06-04 13:14:19 -0700 | [diff] [blame] | 351 | SetUserActiveState(user_active_, Time::Now()); |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 352 | |
| 353 | // If a new monitor source/instance is scheduled, returns false to |
| 354 | // tell GLib to destroy this monitor source/instance. Returns true |
| 355 | // otherwise to keep calling back this monitor. |
| 356 | return !ScheduleUseMonitor(usemon_interval_ * 2, /* backoff */ true); |
| 357 | } |
| 358 | |
| 359 | bool MetricsDaemon::ScheduleUseMonitor(int interval, bool backoff) |
| 360 | { |
Darin Petkov | 2ccef01 | 2010-05-05 16:06:37 -0700 | [diff] [blame] | 361 | if (testing_) |
| 362 | return false; |
| 363 | |
Darin Petkov | 41e0623 | 2010-05-03 16:45:37 -0700 | [diff] [blame] | 364 | // Caps the interval -- the bigger the interval, the more active use |
| 365 | // time will be potentially dropped on system shutdown. |
| 366 | if (interval > kUseMonitorIntervalMax) |
| 367 | interval = kUseMonitorIntervalMax; |
| 368 | |
| 369 | if (backoff) { |
| 370 | // Back-off mode is used by the use monitor to reschedule itself |
| 371 | // with exponential back-off in time. This mode doesn't create a |
| 372 | // new timeout source if the new interval is the same as the old |
| 373 | // one. Also, if a new timeout source is created, the old one is |
| 374 | // not destroyed explicitly here -- it will be destroyed by GLib |
| 375 | // when the monitor returns FALSE (see UseMonitor and |
| 376 | // UseMonitorStatic). |
| 377 | if (interval == usemon_interval_) |
| 378 | return false; |
| 379 | } else { |
| 380 | UnscheduleUseMonitor(); |
| 381 | } |
| 382 | |
| 383 | // Schedules a new use monitor for |interval| seconds from now. |
| 384 | DLOG(INFO) << "scheduling use monitor in " << interval << " seconds"; |
| 385 | usemon_source_ = g_timeout_source_new_seconds(interval); |
| 386 | g_source_set_callback(usemon_source_, UseMonitorStatic, this, |
| 387 | NULL); // No destroy notification. |
| 388 | g_source_attach(usemon_source_, |
| 389 | NULL); // Default context. |
| 390 | usemon_interval_ = interval; |
| 391 | return true; |
| 392 | } |
| 393 | |
| 394 | void MetricsDaemon::UnscheduleUseMonitor() { |
| 395 | // If there's a use monitor scheduled already, destroys it. |
| 396 | if (usemon_source_ == NULL) |
| 397 | return; |
| 398 | |
| 399 | DLOG(INFO) << "destroying use monitor"; |
| 400 | g_source_destroy(usemon_source_); |
| 401 | usemon_source_ = NULL; |
| 402 | usemon_interval_ = 0; |
| 403 | } |
| 404 | |
Darin Petkov | f1e85e4 | 2010-06-10 15:59:53 -0700 | [diff] [blame] | 405 | // static |
| 406 | void MetricsDaemon::DailyUseReporter(void* handle, int tag, int count) { |
Darin Petkov | 1bb904e | 2010-06-16 15:58:06 -0700 | [diff] [blame^] | 407 | if (count <= 0) |
| 408 | return; |
| 409 | |
Darin Petkov | f1e85e4 | 2010-06-10 15:59:53 -0700 | [diff] [blame] | 410 | MetricsDaemon* daemon = static_cast<MetricsDaemon*>(handle); |
| 411 | int minutes = (count + kSecondsPerMinute / 2) / kSecondsPerMinute; |
| 412 | daemon->SendMetric(kMetricDailyUseTimeName, minutes, |
| 413 | kMetricDailyUseTimeMin, |
| 414 | kMetricDailyUseTimeMax, |
| 415 | kMetricDailyUseTimeBuckets); |
| 416 | } |
| 417 | |
Darin Petkov | 1bb904e | 2010-06-16 15:58:06 -0700 | [diff] [blame^] | 418 | // static |
| 419 | void MetricsDaemon::UserCrashIntervalReporter(void* handle, |
| 420 | int tag, int count) { |
| 421 | MetricsDaemon* daemon = static_cast<MetricsDaemon*>(handle); |
| 422 | daemon->SendMetric(kMetricUserCrashIntervalName, count, |
| 423 | kMetricUserCrashIntervalMin, |
| 424 | kMetricUserCrashIntervalMax, |
| 425 | kMetricUserCrashIntervalBuckets); |
| 426 | } |
| 427 | |
Darin Petkov | 11b8eb3 | 2010-05-18 11:00:59 -0700 | [diff] [blame] | 428 | void MetricsDaemon::SendMetric(const std::string& name, int sample, |
| 429 | int min, int max, int nbuckets) { |
Darin Petkov | fc91b42 | 2010-05-12 13:05:45 -0700 | [diff] [blame] | 430 | DLOG(INFO) << "received metric: " << name << " " << sample << " " |
| 431 | << min << " " << max << " " << nbuckets; |
| 432 | metrics_lib_->SendToUMA(name, sample, min, max, nbuckets); |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 433 | } |