655 lines
23 KiB
C++
655 lines
23 KiB
C++
// Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "metrics_daemon.h"
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#include <dbus/dbus-glib-lowlevel.h>
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#include <base/file_util.h>
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#include <base/logging.h>
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#include "counter.h"
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using base::Time;
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using base::TimeDelta;
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using base::TimeTicks;
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using std::string;
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#define SAFE_MESSAGE(e) (e.message ? e.message : "unknown error")
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#define DBUS_IFACE_CRASH_REPORTER "org.chromium.CrashReporter"
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#define DBUS_IFACE_FLIMFLAM_MANAGER "org.chromium.flimflam.Manager"
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#define DBUS_IFACE_POWER_MANAGER "org.chromium.PowerManager"
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#define DBUS_IFACE_SESSION_MANAGER "org.chromium.SessionManagerInterface"
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static const int kSecondsPerMinute = 60;
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static const int kMinutesPerHour = 60;
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static const int kHoursPerDay = 24;
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static const int kMinutesPerDay = kHoursPerDay * kMinutesPerHour;
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static const int kSecondsPerDay = kSecondsPerMinute * kMinutesPerDay;
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static const int kDaysPerWeek = 7;
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static const int kSecondsPerWeek = kSecondsPerDay * kDaysPerWeek;
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// The daily use monitor is scheduled to a 1-minute interval after
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// initial user activity and then it's exponentially backed off to
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// 10-minute intervals. Although not required, the back off is
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// implemented because the histogram buckets are spaced exponentially
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// anyway and to avoid too frequent metrics daemon process wake-ups
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// and file I/O.
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static const int kUseMonitorIntervalInit = 1 * kSecondsPerMinute;
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static const int kUseMonitorIntervalMax = 10 * kSecondsPerMinute;
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const char kKernelCrashDetectedFile[] = "/tmp/kernel-crash-detected";
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static const char kUncleanShutdownDetectedFile[] =
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"/tmp/unclean-shutdown-detected";
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// static metrics parameters.
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const char MetricsDaemon::kMetricDailyUseTimeName[] =
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"Logging.DailyUseTime";
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const int MetricsDaemon::kMetricDailyUseTimeMin = 1;
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const int MetricsDaemon::kMetricDailyUseTimeMax = kMinutesPerDay;
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const int MetricsDaemon::kMetricDailyUseTimeBuckets = 50;
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const char MetricsDaemon::kMetricTimeToNetworkDropName[] =
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"Network.TimeToDrop";
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const int MetricsDaemon::kMetricTimeToNetworkDropMin = 1;
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const int MetricsDaemon::kMetricTimeToNetworkDropMax =
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8 /* hours */ * kMinutesPerHour * kSecondsPerMinute;
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const int MetricsDaemon::kMetricTimeToNetworkDropBuckets = 50;
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// crash interval metrics
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const char MetricsDaemon::kMetricKernelCrashIntervalName[] =
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"Logging.KernelCrashInterval";
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const char MetricsDaemon::kMetricUncleanShutdownIntervalName[] =
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"Logging.UncleanShutdownInterval";
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const char MetricsDaemon::kMetricUserCrashIntervalName[] =
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"Logging.UserCrashInterval";
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const int MetricsDaemon::kMetricCrashIntervalMin = 1;
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const int MetricsDaemon::kMetricCrashIntervalMax =
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4 * kSecondsPerWeek;
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const int MetricsDaemon::kMetricCrashIntervalBuckets = 50;
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// crash frequency metrics
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const char MetricsDaemon::kMetricAnyCrashesDailyName[] =
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"Logging.AnyCrashesDaily";
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const char MetricsDaemon::kMetricKernelCrashesDailyName[] =
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"Logging.KernelCrashesDaily";
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const char MetricsDaemon::kMetricUncleanShutdownsDailyName[] =
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"Logging.UncleanShutdownsDaily";
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const char MetricsDaemon::kMetricUserCrashesDailyName[] =
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"Logging.UserCrashesDaily";
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const char MetricsDaemon::kMetricCrashesDailyMin = 1;
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const char MetricsDaemon::kMetricCrashesDailyMax = 100;
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const char MetricsDaemon::kMetricCrashesDailyBuckets = 50;
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// static
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const char* MetricsDaemon::kDBusMatches_[] = {
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"type='signal',"
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"interface='" DBUS_IFACE_CRASH_REPORTER "',"
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"path='/',"
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"member='UserCrash'",
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"type='signal',"
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"sender='org.chromium.flimflam',"
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"interface='" DBUS_IFACE_FLIMFLAM_MANAGER "',"
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"path='/',"
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"member='StateChanged'",
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"type='signal',"
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"interface='" DBUS_IFACE_POWER_MANAGER "',"
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"path='/'",
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"type='signal',"
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"sender='org.chromium.SessionManager',"
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"interface='" DBUS_IFACE_SESSION_MANAGER "',"
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"path='/org/chromium/SessionManager',"
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"member='SessionStateChanged'",
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};
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// static
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const char* MetricsDaemon::kNetworkStates_[] = {
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#define STATE(name, capname) #name,
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#include "network_states.h"
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};
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// static
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const char* MetricsDaemon::kPowerStates_[] = {
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#define STATE(name, capname) #name,
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#include "power_states.h"
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};
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// static
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const char* MetricsDaemon::kSessionStates_[] = {
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#define STATE(name, capname) #name,
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#include "session_states.h"
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};
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// Invokes a remote method over D-Bus that takes no input arguments
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// and returns a string result. The method call is issued with a 2
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// second blocking timeout. Returns an empty string on failure or
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// timeout.
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static string DBusGetString(DBusConnection* connection,
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const string& destination,
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const string& path,
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const string& interface,
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const string& method) {
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DBusMessage* message =
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dbus_message_new_method_call(destination.c_str(),
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path.c_str(),
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interface.c_str(),
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method.c_str());
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if (!message) {
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DLOG(WARNING) << "DBusGetString: unable to allocate a message";
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return "";
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}
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DBusError error;
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dbus_error_init(&error);
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const int kTimeout = 2000; // ms
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DLOG(INFO) << "DBusGetString: dest=" << destination << " path=" << path
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<< " iface=" << interface << " method=" << method;
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DBusMessage* reply =
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dbus_connection_send_with_reply_and_block(connection, message, kTimeout,
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&error);
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dbus_message_unref(message);
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if (dbus_error_is_set(&error) || !reply) {
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DLOG(WARNING) << "DBusGetString: call failed";
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return "";
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}
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DBusMessageIter iter;
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dbus_message_iter_init(reply, &iter);
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if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) {
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NOTREACHED();
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dbus_message_unref(reply);
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return "";
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}
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const char* c_result = "";
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dbus_message_iter_get_basic(&iter, &c_result);
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string result = c_result;
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DLOG(INFO) << "DBusGetString: result=" << result;
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dbus_message_unref(reply);
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return result;
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}
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MetricsDaemon::MetricsDaemon()
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: network_state_(kUnknownNetworkState),
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power_state_(kUnknownPowerState),
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session_state_(kUnknownSessionState),
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user_active_(false),
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usemon_interval_(0),
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usemon_source_(NULL) {}
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MetricsDaemon::~MetricsDaemon() {}
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void MetricsDaemon::Run(bool run_as_daemon) {
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if (run_as_daemon && daemon(0, 0) != 0)
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return;
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if (CheckSystemCrash(kKernelCrashDetectedFile)) {
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ProcessKernelCrash();
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}
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if (CheckSystemCrash(kUncleanShutdownDetectedFile)) {
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ProcessUncleanShutdown();
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}
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Loop();
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}
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void MetricsDaemon::Init(bool testing, MetricsLibraryInterface* metrics_lib) {
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testing_ = testing;
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DCHECK(metrics_lib != NULL);
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metrics_lib_ = metrics_lib;
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static const char kDailyUseRecordFile[] = "/var/log/metrics/daily-usage";
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daily_use_.reset(new chromeos_metrics::TaggedCounter());
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daily_use_->Init(kDailyUseRecordFile, &ReportDailyUse, this);
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static const char kUserCrashIntervalRecordFile[] =
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"/var/log/metrics/user-crash-interval";
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user_crash_interval_.reset(new chromeos_metrics::TaggedCounter());
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user_crash_interval_->Init(kUserCrashIntervalRecordFile,
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&ReportUserCrashInterval, this);
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static const char kKernelCrashIntervalRecordFile[] =
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"/var/log/metrics/kernel-crash-interval";
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kernel_crash_interval_.reset(new chromeos_metrics::TaggedCounter());
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kernel_crash_interval_->Init(kKernelCrashIntervalRecordFile,
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&ReportKernelCrashInterval, this);
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static const char kUncleanShutdownDetectedFile[] =
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"/var/log/metrics/unclean-shutdown-interval";
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unclean_shutdown_interval_.reset(new chromeos_metrics::TaggedCounter());
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unclean_shutdown_interval_->Init(kUncleanShutdownDetectedFile,
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&ReportUncleanShutdownInterval, this);
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static const char kUserCrashesDailyRecordFile[] =
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"/var/log/metrics/user-crashes-daily";
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user_crashes_daily_.reset(new chromeos_metrics::FrequencyCounter());
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user_crashes_daily_->Init(kUserCrashesDailyRecordFile,
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&ReportUserCrashesDaily,
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this,
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chromeos_metrics::kSecondsPerDay);
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static const char kKernelCrashesDailyRecordFile[] =
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"/var/log/metrics/kernel-crashes-daily";
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kernel_crashes_daily_.reset(new chromeos_metrics::FrequencyCounter());
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kernel_crashes_daily_->Init(kKernelCrashesDailyRecordFile,
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&ReportKernelCrashesDaily,
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this,
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chromeos_metrics::kSecondsPerDay);
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static const char kUncleanShutdownsDailyRecordFile[] =
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"/var/log/metrics/unclean-shutdowns-daily";
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unclean_shutdowns_daily_.reset(new chromeos_metrics::FrequencyCounter());
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unclean_shutdowns_daily_->Init(kUncleanShutdownsDailyRecordFile,
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&ReportUncleanShutdownsDaily,
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this,
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chromeos_metrics::kSecondsPerDay);
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static const char kAnyCrashesUserCrashDailyRecordFile[] =
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"/var/log/metrics/any-crashes-daily";
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any_crashes_daily_.reset(new chromeos_metrics::FrequencyCounter());
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any_crashes_daily_->Init(kAnyCrashesUserCrashDailyRecordFile,
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&ReportAnyCrashesDaily,
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this,
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chromeos_metrics::kSecondsPerDay);
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// Don't setup D-Bus and GLib in test mode.
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if (testing)
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return;
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g_thread_init(NULL);
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g_type_init();
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dbus_g_thread_init();
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DBusError error;
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dbus_error_init(&error);
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DBusConnection* connection = dbus_bus_get(DBUS_BUS_SYSTEM, &error);
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LOG_IF(FATAL, dbus_error_is_set(&error)) <<
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"No D-Bus connection: " << SAFE_MESSAGE(error);
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dbus_connection_setup_with_g_main(connection, NULL);
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// Registers D-Bus matches for the signals we would like to catch.
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for (unsigned int m = 0; m < arraysize(kDBusMatches_); m++) {
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const char* match = kDBusMatches_[m];
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DLOG(INFO) << "adding dbus match: " << match;
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dbus_bus_add_match(connection, match, &error);
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LOG_IF(FATAL, dbus_error_is_set(&error)) <<
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"unable to add a match: " << SAFE_MESSAGE(error);
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}
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// Adds the D-Bus filter routine to be called back whenever one of
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// the registered D-Bus matches is successful. The daemon is not
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// activated for D-Bus messages that don't match.
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CHECK(dbus_connection_add_filter(connection, MessageFilter, this, NULL));
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// Initializes the current network state by retrieving it from flimflam.
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string state_name = DBusGetString(connection, "org.chromium.flimflam", "/",
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DBUS_IFACE_FLIMFLAM_MANAGER, "GetState");
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NetStateChanged(state_name.c_str(), TimeTicks::Now());
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}
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void MetricsDaemon::Loop() {
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GMainLoop* loop = g_main_loop_new(NULL, false);
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g_main_loop_run(loop);
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}
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// static
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DBusHandlerResult MetricsDaemon::MessageFilter(DBusConnection* connection,
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DBusMessage* message,
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void* user_data) {
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Time now = Time::Now();
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TimeTicks ticks = TimeTicks::Now();
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DLOG(INFO) << "message intercepted @ " << now.ToInternalValue();
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int message_type = dbus_message_get_type(message);
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if (message_type != DBUS_MESSAGE_TYPE_SIGNAL) {
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DLOG(WARNING) << "unexpected message type " << message_type;
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return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
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}
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// Signal messages always have interfaces.
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const char* interface = dbus_message_get_interface(message);
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CHECK(interface != NULL);
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MetricsDaemon* daemon = static_cast<MetricsDaemon*>(user_data);
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DBusMessageIter iter;
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dbus_message_iter_init(message, &iter);
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if (strcmp(interface, DBUS_IFACE_CRASH_REPORTER) == 0) {
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CHECK(strcmp(dbus_message_get_member(message),
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"UserCrash") == 0);
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daemon->ProcessUserCrash();
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} else if (strcmp(interface, DBUS_IFACE_FLIMFLAM_MANAGER) == 0) {
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CHECK(strcmp(dbus_message_get_member(message),
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"StateChanged") == 0);
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char* state_name;
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dbus_message_iter_get_basic(&iter, &state_name);
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daemon->NetStateChanged(state_name, ticks);
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} else if (strcmp(interface, DBUS_IFACE_POWER_MANAGER) == 0) {
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const char* member = dbus_message_get_member(message);
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if (strcmp(member, "ScreenIsLocked") == 0) {
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daemon->SetUserActiveState(false, now);
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} else if (strcmp(member, "ScreenIsUnlocked") == 0) {
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daemon->SetUserActiveState(true, now);
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} else if (strcmp(member, "PowerStateChanged") == 0) {
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char* state_name;
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dbus_message_iter_get_basic(&iter, &state_name);
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daemon->PowerStateChanged(state_name, now);
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}
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} else if (strcmp(interface, DBUS_IFACE_SESSION_MANAGER) == 0) {
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CHECK(strcmp(dbus_message_get_member(message),
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"SessionStateChanged") == 0);
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char* state_name;
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dbus_message_iter_get_basic(&iter, &state_name);
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daemon->SessionStateChanged(state_name, now);
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} else {
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DLOG(WARNING) << "unexpected interface: " << interface;
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return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
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}
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return DBUS_HANDLER_RESULT_HANDLED;
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}
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void MetricsDaemon::NetStateChanged(const char* state_name, TimeTicks ticks) {
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DLOG(INFO) << "network state: " << state_name;
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NetworkState state = LookupNetworkState(state_name);
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// Logs the time in seconds between the network going online to
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// going offline (or, more precisely, going not online) in order to
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// measure the mean time to network dropping. Going offline as part
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// of suspend-to-RAM is not logged as network drop -- the assumption
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// is that the message for suspend-to-RAM comes before the network
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// offline message which seems to and should be the case.
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if (state != kNetworkStateOnline &&
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network_state_ == kNetworkStateOnline &&
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power_state_ != kPowerStateMem) {
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TimeDelta since_online = ticks - network_state_last_;
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int online_time = static_cast<int>(since_online.InSeconds());
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SendMetric(kMetricTimeToNetworkDropName, online_time,
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kMetricTimeToNetworkDropMin,
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kMetricTimeToNetworkDropMax,
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kMetricTimeToNetworkDropBuckets);
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}
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network_state_ = state;
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network_state_last_ = ticks;
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}
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MetricsDaemon::NetworkState
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MetricsDaemon::LookupNetworkState(const char* state_name) {
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for (int i = 0; i < kNumberNetworkStates; i++) {
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if (strcmp(state_name, kNetworkStates_[i]) == 0) {
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return static_cast<NetworkState>(i);
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}
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}
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DLOG(WARNING) << "unknown network connection state: " << state_name;
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return kUnknownNetworkState;
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}
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void MetricsDaemon::PowerStateChanged(const char* state_name, Time now) {
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DLOG(INFO) << "power state: " << state_name;
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power_state_ = LookupPowerState(state_name);
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if (power_state_ != kPowerStateOn)
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SetUserActiveState(false, now);
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}
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MetricsDaemon::PowerState
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MetricsDaemon::LookupPowerState(const char* state_name) {
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for (int i = 0; i < kNumberPowerStates; i++) {
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if (strcmp(state_name, kPowerStates_[i]) == 0) {
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return static_cast<PowerState>(i);
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}
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}
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DLOG(WARNING) << "unknown power state: " << state_name;
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return kUnknownPowerState;
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}
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void MetricsDaemon::SessionStateChanged(const char* state_name, Time now) {
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DLOG(INFO) << "user session state: " << state_name;
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session_state_ = LookupSessionState(state_name);
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SetUserActiveState(session_state_ == kSessionStateStarted, now);
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}
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MetricsDaemon::SessionState
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MetricsDaemon::LookupSessionState(const char* state_name) {
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for (int i = 0; i < kNumberSessionStates; i++) {
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if (strcmp(state_name, kSessionStates_[i]) == 0) {
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return static_cast<SessionState>(i);
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}
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}
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DLOG(WARNING) << "unknown user session state: " << state_name;
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return kUnknownSessionState;
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}
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void MetricsDaemon::SetUserActiveState(bool active, Time now) {
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DLOG(INFO) << "user: " << (active ? "active" : "inactive");
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// Calculates the seconds of active use since the last update and
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// the day since Epoch, and logs the usage data. Guards against the
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// time jumping back and forth due to the user changing it by
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// discarding the new use time.
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int seconds = 0;
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if (user_active_ && now > user_active_last_) {
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TimeDelta since_active = now - user_active_last_;
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if (since_active < TimeDelta::FromSeconds(
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kUseMonitorIntervalMax + kSecondsPerMinute)) {
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seconds = static_cast<int>(since_active.InSeconds());
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}
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}
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TimeDelta since_epoch = now - Time();
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int day = since_epoch.InDays();
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daily_use_->Update(day, seconds);
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user_crash_interval_->Update(0, seconds);
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kernel_crash_interval_->Update(0, seconds);
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// Schedules a use monitor on inactive->active transitions and
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// unschedules it on active->inactive transitions.
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if (!user_active_ && active)
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ScheduleUseMonitor(kUseMonitorIntervalInit, /* backoff */ false);
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else if (user_active_ && !active)
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UnscheduleUseMonitor();
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// Remembers the current active state and the time of the last
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// activity update.
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user_active_ = active;
|
|
user_active_last_ = now;
|
|
}
|
|
|
|
void MetricsDaemon::ProcessUserCrash() {
|
|
// Counts the active use time up to now.
|
|
SetUserActiveState(user_active_, Time::Now());
|
|
|
|
// Reports the active use time since the last crash and resets it.
|
|
user_crash_interval_->Flush();
|
|
|
|
user_crashes_daily_->Update(1);
|
|
any_crashes_daily_->Update(1);
|
|
}
|
|
|
|
void MetricsDaemon::ProcessKernelCrash() {
|
|
// Counts the active use time up to now.
|
|
SetUserActiveState(user_active_, Time::Now());
|
|
|
|
// Reports the active use time since the last crash and resets it.
|
|
kernel_crash_interval_->Flush();
|
|
|
|
kernel_crashes_daily_->Update(1);
|
|
any_crashes_daily_->Update(1);
|
|
}
|
|
|
|
void MetricsDaemon::ProcessUncleanShutdown() {
|
|
// Counts the active use time up to now.
|
|
SetUserActiveState(user_active_, Time::Now());
|
|
|
|
// Reports the active use time since the last crash and resets it.
|
|
unclean_shutdown_interval_->Flush();
|
|
|
|
unclean_shutdowns_daily_->Update(1);
|
|
any_crashes_daily_->Update(1);
|
|
}
|
|
|
|
bool MetricsDaemon::CheckSystemCrash(const std::string& crash_file) {
|
|
FilePath crash_detected(crash_file);
|
|
if (!file_util::PathExists(crash_detected))
|
|
return false;
|
|
|
|
// Deletes the crash-detected file so that the daemon doesn't report
|
|
// another kernel crash in case it's restarted.
|
|
file_util::Delete(crash_detected,
|
|
false); // recursive
|
|
return true;
|
|
}
|
|
|
|
// static
|
|
gboolean MetricsDaemon::UseMonitorStatic(gpointer data) {
|
|
return static_cast<MetricsDaemon*>(data)->UseMonitor() ? TRUE : FALSE;
|
|
}
|
|
|
|
bool MetricsDaemon::UseMonitor() {
|
|
SetUserActiveState(user_active_, Time::Now());
|
|
|
|
// If a new monitor source/instance is scheduled, returns false to
|
|
// tell GLib to destroy this monitor source/instance. Returns true
|
|
// otherwise to keep calling back this monitor.
|
|
return !ScheduleUseMonitor(usemon_interval_ * 2, /* backoff */ true);
|
|
}
|
|
|
|
bool MetricsDaemon::ScheduleUseMonitor(int interval, bool backoff)
|
|
{
|
|
if (testing_)
|
|
return false;
|
|
|
|
// Caps the interval -- the bigger the interval, the more active use
|
|
// time will be potentially dropped on system shutdown.
|
|
if (interval > kUseMonitorIntervalMax)
|
|
interval = kUseMonitorIntervalMax;
|
|
|
|
if (backoff) {
|
|
// Back-off mode is used by the use monitor to reschedule itself
|
|
// with exponential back-off in time. This mode doesn't create a
|
|
// new timeout source if the new interval is the same as the old
|
|
// one. Also, if a new timeout source is created, the old one is
|
|
// not destroyed explicitly here -- it will be destroyed by GLib
|
|
// when the monitor returns FALSE (see UseMonitor and
|
|
// UseMonitorStatic).
|
|
if (interval == usemon_interval_)
|
|
return false;
|
|
} else {
|
|
UnscheduleUseMonitor();
|
|
}
|
|
|
|
// Schedules a new use monitor for |interval| seconds from now.
|
|
DLOG(INFO) << "scheduling use monitor in " << interval << " seconds";
|
|
usemon_source_ = g_timeout_source_new_seconds(interval);
|
|
g_source_set_callback(usemon_source_, UseMonitorStatic, this,
|
|
NULL); // No destroy notification.
|
|
g_source_attach(usemon_source_,
|
|
NULL); // Default context.
|
|
usemon_interval_ = interval;
|
|
return true;
|
|
}
|
|
|
|
void MetricsDaemon::UnscheduleUseMonitor() {
|
|
// If there's a use monitor scheduled already, destroys it.
|
|
if (usemon_source_ == NULL)
|
|
return;
|
|
|
|
DLOG(INFO) << "destroying use monitor";
|
|
g_source_destroy(usemon_source_);
|
|
usemon_source_ = NULL;
|
|
usemon_interval_ = 0;
|
|
}
|
|
|
|
// static
|
|
void MetricsDaemon::ReportDailyUse(void* handle, int tag, int count) {
|
|
if (count <= 0)
|
|
return;
|
|
|
|
MetricsDaemon* daemon = static_cast<MetricsDaemon*>(handle);
|
|
int minutes = (count + kSecondsPerMinute / 2) / kSecondsPerMinute;
|
|
daemon->SendMetric(kMetricDailyUseTimeName, minutes,
|
|
kMetricDailyUseTimeMin,
|
|
kMetricDailyUseTimeMax,
|
|
kMetricDailyUseTimeBuckets);
|
|
}
|
|
|
|
// static
|
|
void MetricsDaemon::ReportCrashInterval(const char* histogram_name,
|
|
void* handle, int count) {
|
|
MetricsDaemon* daemon = static_cast<MetricsDaemon*>(handle);
|
|
daemon->SendMetric(histogram_name, count,
|
|
kMetricCrashIntervalMin,
|
|
kMetricCrashIntervalMax,
|
|
kMetricCrashIntervalBuckets);
|
|
}
|
|
|
|
// static
|
|
void MetricsDaemon::ReportUserCrashInterval(void* handle,
|
|
int tag, int count) {
|
|
ReportCrashInterval(kMetricUserCrashIntervalName, handle, count);
|
|
}
|
|
|
|
// static
|
|
void MetricsDaemon::ReportKernelCrashInterval(void* handle,
|
|
int tag, int count) {
|
|
ReportCrashInterval(kMetricKernelCrashIntervalName, handle, count);
|
|
}
|
|
|
|
// static
|
|
void MetricsDaemon::ReportUncleanShutdownInterval(void* handle,
|
|
int tag, int count) {
|
|
ReportCrashInterval(kMetricUncleanShutdownIntervalName, handle, count);
|
|
}
|
|
|
|
// static
|
|
void MetricsDaemon::ReportCrashesDailyFrequency(const char* histogram_name,
|
|
void* handle,
|
|
int count) {
|
|
MetricsDaemon* daemon = static_cast<MetricsDaemon*>(handle);
|
|
daemon->SendMetric(histogram_name, count,
|
|
kMetricCrashesDailyMin,
|
|
kMetricCrashesDailyMax,
|
|
kMetricCrashesDailyBuckets);
|
|
}
|
|
|
|
// static
|
|
void MetricsDaemon::ReportUserCrashesDaily(void* handle,
|
|
int tag, int count) {
|
|
ReportCrashesDailyFrequency(kMetricUserCrashesDailyName, handle, count);
|
|
}
|
|
|
|
// static
|
|
void MetricsDaemon::ReportKernelCrashesDaily(void* handle,
|
|
int tag, int count) {
|
|
ReportCrashesDailyFrequency(kMetricKernelCrashesDailyName, handle, count);
|
|
}
|
|
|
|
// static
|
|
void MetricsDaemon::ReportUncleanShutdownsDaily(void* handle,
|
|
int tag, int count) {
|
|
ReportCrashesDailyFrequency(kMetricUncleanShutdownsDailyName, handle, count);
|
|
}
|
|
|
|
// static
|
|
void MetricsDaemon::ReportAnyCrashesDaily(void* handle, int tag, int count) {
|
|
ReportCrashesDailyFrequency(kMetricAnyCrashesDailyName, handle, count);
|
|
}
|
|
|
|
|
|
void MetricsDaemon::SendMetric(const string& name, int sample,
|
|
int min, int max, int nbuckets) {
|
|
DLOG(INFO) << "received metric: " << name << " " << sample << " "
|
|
<< min << " " << max << " " << nbuckets;
|
|
metrics_lib_->SendToUMA(name, sample, min, max, nbuckets);
|
|
}
|