| // Copyright (c) 2011 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "metrics/metrics_daemon.h" |
| |
| #include <fcntl.h> |
| #include <fstream> |
| #include <inttypes.h> |
| #include <math.h> |
| #include <string.h> |
| #include <sysexits.h> |
| #include <time.h> |
| |
| #include <base/files/file_path.h> |
| #include <base/files/file_util.h> |
| #include <base/hash/hash.h> |
| #include <base/logging.h> |
| #include <base/stl_util.h> |
| #include <base/strings/string_number_conversions.h> |
| #include <base/strings/string_split.h> |
| #include <base/strings/string_util.h> |
| #include <base/strings/stringprintf.h> |
| #include <base/system/sys_info.h> |
| #include <base/threading/thread_task_runner_handle.h> |
| #include <chromeos/dbus/service_constants.h> |
| #include <dbus/dbus.h> |
| #include <dbus/message.h> |
| #include <dbus/object_proxy.h> |
| |
| #include "metrics/process_meter.h" |
| #include "power_manager/proto_bindings/suspend.pb.h" |
| #include "uploader/upload_service.h" |
| |
| // Returns a pointer for use in PostDelayedTask. The daemon never exits on its |
| // own: it can only abort or get killed. Thus the daemon instance is never |
| // deleted, and base::Unretained() is appropriate. This macro exists so we can |
| // comment this fact in one place. A function is hard to write because of the |
| // retturn type. |
| #define GET_THIS_FOR_POSTTASK() (base::Unretained(this)) |
| |
| using base::FilePath; |
| using base::StringPrintf; |
| using base::Time; |
| using base::TimeDelta; |
| using base::TimeTicks; |
| using chromeos_metrics::PersistentInteger; |
| using std::map; |
| using std::string; |
| using std::vector; |
| |
| namespace chromeos_metrics { |
| namespace { |
| |
| const char kCrashReporterInterface[] = "org.chromium.CrashReporter"; |
| const char kCrashReporterUserCrashSignal[] = "UserCrash"; |
| const char kCrashReporterMatchRule[] = |
| "type='signal',interface='%s',path='/',member='%s'"; |
| |
| // Build type of an official build. |
| // See chromite/scripts/cros_set_lsb_release.py. |
| const char kOfficialBuild[] = "Official Build"; |
| |
| const int kMillisPerSecond = 1000; |
| const int kSecondsPerMinute = 60; |
| const int kMinutesPerHour = 60; |
| const int kHoursPerDay = 24; |
| const int kMinutesPerDay = kHoursPerDay * kMinutesPerHour; |
| const int kSecondsPerDay = kSecondsPerMinute * kMinutesPerDay; |
| const int kDaysPerWeek = 7; |
| const int kSecondsPerWeek = kSecondsPerDay * kDaysPerWeek; |
| |
| // Initial interval until the first call to UpdateStats(), The initial update |
| // happens sooner than subsequent updates to capture short usage times. (e.g. |
| // situations where a user uses their device for 1-2 minutes only). |
| const uint32_t kInitialUpdateStatsIntervalMs = 60'000; // one minute |
| // Interval between calls to UpdateStats(). |
| const uint32_t kUpdateStatsIntervalMs = 300'000; // five minutes |
| |
| // Maximum amount of system memory that will be reported without overflow. |
| const int kMaximumMemorySizeInKB = 128 * 1024 * 1024; |
| |
| const char kKernelCrashDetectedFile[] = |
| "/run/metrics/external/crash-reporter/kernel-crash-detected"; |
| const char kUncleanShutdownDetectedFile[] = |
| "/run/metrics/external/crash-reporter/unclean-shutdown-detected"; |
| |
| // Path of flag created by crouton when it starts. |
| const char kCroutonStartedFile[] = |
| "/run/metrics/external/crouton/crouton-started"; |
| |
| constexpr base::TimeDelta kVmlogInterval = base::TimeDelta::FromSeconds(2); |
| |
| constexpr char kVmlogDir[] = "/var/log/vmlog"; |
| |
| // Memory use stats collection intervals. We collect some memory use interval |
| // at these intervals after boot, and we stop collecting after the last one, |
| // with the assumption that in most cases the memory use won't change much |
| // after that. |
| const int kMemuseIntervals[] = { |
| 1 * kSecondsPerMinute, // 1 minute mark |
| 4 * kSecondsPerMinute, // 5 minute mark |
| 25 * kSecondsPerMinute, // 0.5 hour mark |
| 120 * kSecondsPerMinute, // 2.5 hour mark |
| 600 * kSecondsPerMinute, // 12.5 hour mark |
| }; |
| |
| constexpr char kDailyUseTimeName[] = "Platform.DailyUseTime"; |
| constexpr char kCumulativeUseTimeName[] = "Platform.CumulativeUseTime"; |
| constexpr char kCumulativeCpuTimeName[] = "Platform.CumulativeCpuTime"; |
| constexpr char kKernelCrashIntervalName[] = "Platform.KernelCrashInterval"; |
| constexpr char kUncleanShutdownIntervalName[] = |
| "Platform.UncleanShutdownInterval"; |
| constexpr char kUserCrashIntervalName[] = "Platform.UserCrashInterval"; |
| constexpr char kAnyCrashesDailyName[] = "Platform.AnyCrashesDaily"; |
| constexpr char kAnyCrashesWeeklyName[] = "Platform.AnyCrashesWeekly"; |
| constexpr char kUserCrashesDailyName[] = "Platform.UserCrashesDaily"; |
| constexpr char kUserCrashesWeeklyName[] = "Platform.UserCrashesWeekly"; |
| constexpr char kKernelCrashesDailyName[] = "Platform.KernelCrashesDaily"; |
| constexpr char kKernelCrashesWeeklyName[] = "Platform.KernelCrashesWeekly"; |
| constexpr char kKernelCrashesSinceUpdateName[] = |
| "Platform.KernelCrashesSinceUpdate"; |
| constexpr char kUncleanShutdownsDailyName[] = "Platform.UncleanShutdownsDaily"; |
| constexpr char kUncleanShutdownsWeeklyName[] = |
| "Platform.UncleanShutdownsWeekly"; |
| |
| // Max process allocation size in megabytes, used as an upper bound for UMA |
| // histograms (these are all consumer devices, and 64 GB should be good for a |
| // few more years). |
| constexpr int kMaxMemSizeMiB = 64 * (1 << 10); |
| |
| // Handles the result of an attempt to connect to a D-Bus signal. |
| void DBusSignalConnected(const std::string& interface, |
| const std::string& signal, |
| bool success) { |
| CHECK(success) << "Unable to connect to " << interface << "." << signal; |
| } |
| |
| } // namespace |
| |
| // disk stats metrics |
| |
| // The {Read,Write}Sectors numbers are in sectors/second. |
| // A sector is usually 512 bytes. |
| |
| const char MetricsDaemon::kMetricReadSectorsLongName[] = |
| "Platform.ReadSectorsLong"; |
| const char MetricsDaemon::kMetricWriteSectorsLongName[] = |
| "Platform.WriteSectorsLong"; |
| const char MetricsDaemon::kMetricReadSectorsShortName[] = |
| "Platform.ReadSectorsShort"; |
| const char MetricsDaemon::kMetricWriteSectorsShortName[] = |
| "Platform.WriteSectorsShort"; |
| |
| const int MetricsDaemon::kMetricStatsShortInterval = 1; // seconds |
| const int MetricsDaemon::kMetricStatsLongInterval = 30; // seconds |
| const int MetricsDaemon::kMetricMeminfoInterval = 30; // seconds |
| const int MetricsDaemon::kMetricDetachableBaseInterval = 30; // seconds |
| constexpr base::TimeDelta MetricsDaemon::kMetricReportProcessMemoryInterval = |
| base::TimeDelta::FromMinutes(10); |
| |
| // Assume a max rate of 250Mb/s for reads (worse for writes) and 512 byte |
| // sectors. |
| const int MetricsDaemon::kMetricSectorsIOMax = 500000; // sectors/second |
| const int MetricsDaemon::kMetricSectorsBuckets = 50; // buckets |
| // Page size is 4k, sector size is 0.5k. We're not interested in page fault |
| // rates that the disk cannot sustain. |
| const int MetricsDaemon::kMetricPageFaultsMax = kMetricSectorsIOMax / 8; |
| const int MetricsDaemon::kMetricPageFaultsBuckets = 50; |
| |
| // Assume a max rate of 54000000 pages/day, based on current 99 percentile |
| // for Platform.SwapOutLong being about 1500 pages/second. Assume 10 hours |
| // of use per day. |
| const int MetricsDaemon::kMetricDailySwapMax = 54000000; |
| const int MetricsDaemon::kMetricDailySwapBuckets = 50; |
| |
| // Major page faults, i.e. the ones that require data to be read from disk or |
| // decompressed from zram. "Anon" and "File" qualifiers are in grammatically |
| // incorrect positions for better sorting in UMA. |
| |
| const char MetricsDaemon::kMetricPageFaultsLongName[] = |
| "Platform.PageFaultsLong"; |
| const char MetricsDaemon::kMetricPageFaultsShortName[] = |
| "Platform.PageFaultsShort"; |
| const char MetricsDaemon::kMetricFilePageFaultsLongName[] = |
| "Platform.PageFaultsFileLong"; |
| const char MetricsDaemon::kMetricFilePageFaultsShortName[] = |
| "Platform.PageFaultsFileShort"; |
| const char MetricsDaemon::kMetricAnonPageFaultsLongName[] = |
| "Platform.PageFaultsAnonLong"; |
| const char MetricsDaemon::kMetricAnonPageFaultsShortName[] = |
| "Platform.PageFaultsAnonShort"; |
| |
| // Swap in and Swap out |
| |
| const char MetricsDaemon::kMetricSwapInDailyName[] = "Platform.SwapInDaily"; |
| const char MetricsDaemon::kMetricSwapInLongName[] = "Platform.SwapInLong"; |
| const char MetricsDaemon::kMetricSwapInShortName[] = "Platform.SwapInShort"; |
| |
| const char MetricsDaemon::kMetricSwapOutDailyName[] = "Platform.SwapOutDaily"; |
| const char MetricsDaemon::kMetricSwapOutLongName[] = "Platform.SwapOutLong"; |
| const char MetricsDaemon::kMetricSwapOutShortName[] = "Platform.SwapOutShort"; |
| |
| const char MetricsDaemon::kMetricsProcStatFileName[] = "/proc/stat"; |
| const int MetricsDaemon::kMetricsProcStatFirstLineItemsCount = 11; |
| |
| // Thermal CPU throttling. |
| |
| const char MetricsDaemon::kMetricScaledCpuFrequencyName[] = |
| "Platform.CpuFrequencyThermalScaling"; |
| |
| // Zram sysfs entries. |
| |
| const char MetricsDaemon::kComprDataSizeName[] = "compr_data_size"; |
| const char MetricsDaemon::kOrigDataSizeName[] = "orig_data_size"; |
| const char MetricsDaemon::kZeroPagesName[] = "zero_pages"; |
| const char MetricsDaemon::kMMStatName[] = "mm_stat"; |
| |
| constexpr char MetricsDaemon::kSysfsThermalZoneFormat[]; |
| constexpr char MetricsDaemon::kSysfsTemperatureValueFile[]; |
| constexpr char MetricsDaemon::kSysfsTemperatureTypeFile[]; |
| |
| constexpr char MetricsDaemon::kMetricTemperatureCpuName[]; |
| constexpr char MetricsDaemon::kMetricTemperatureZeroName[]; |
| constexpr char MetricsDaemon::kMetricTemperatureOneName[]; |
| constexpr char MetricsDaemon::kMetricTemperatureTwoName[]; |
| |
| constexpr int MetricsDaemon::kMetricTemperatureMax; |
| |
| constexpr base::TimeDelta |
| MetricsDaemon::kMinSuspendDurationForAmbientTemperature; |
| |
| constexpr char MetricsDaemon::kMetricSuspendedTemperatureCpuName[]; |
| constexpr char MetricsDaemon::kMetricSuspendedTemperatureZeroName[]; |
| constexpr char MetricsDaemon::kMetricSuspendedTemperatureOneName[]; |
| constexpr char MetricsDaemon::kMetricSuspendedTemperatureTwoName[]; |
| |
| // Detachable base autosuspend metrics. |
| |
| const char MetricsDaemon::kMetricDetachableBaseActivePercentName[] = |
| "Platform.DetachableBase.ActivePercent"; |
| |
| // Detachable base autosuspend sysfs entries. |
| |
| const char MetricsDaemon::kHammerSysfsPathPath[] = |
| "/run/metrics/external/hammer/hammer_sysfs_path"; |
| const char MetricsDaemon::kDetachableBaseSysfsLevelName[] = "power/level"; |
| const char MetricsDaemon::kDetachableBaseSysfsLevelValue[] = "auto"; |
| const char MetricsDaemon::kDetachableBaseSysfsActiveTimeName[] = |
| "power/runtime_active_time"; |
| const char MetricsDaemon::kDetachableBaseSysfsSuspendedTimeName[] = |
| "power/runtime_suspended_time"; |
| |
| // crouton metrics |
| |
| const char MetricsDaemon::kMetricCroutonStarted[] = "Platform.Crouton.Started"; |
| |
| MetricsDaemon::MetricsDaemon() |
| : memuse_final_time_(0), |
| memuse_interval_index_(0), |
| read_sectors_(0), |
| write_sectors_(0), |
| vmstats_(), |
| stats_state_(kStatsShort), |
| stats_initial_time_(0), |
| ticks_per_second_(0), |
| latest_cpu_use_ticks_(0), |
| detachable_base_active_time_(0), |
| detachable_base_suspended_time_(0), |
| thermal_zone_count_(-1) {} |
| |
| MetricsDaemon::~MetricsDaemon() {} |
| |
| double MetricsDaemon::GetActiveTime() { |
| struct timespec ts; |
| int r = clock_gettime(CLOCK_MONOTONIC, &ts); |
| if (r < 0) { |
| PLOG(WARNING) << "clock_gettime(CLOCK_MONOTONIC) failed"; |
| return 0; |
| } else { |
| return ts.tv_sec + static_cast<double>(ts.tv_nsec) / (1000 * 1000 * 1000); |
| } |
| } |
| |
| int MetricsDaemon::Run() { |
| if (CheckSystemCrash(kKernelCrashDetectedFile)) { |
| ProcessKernelCrash(); |
| } |
| |
| if (CheckSystemCrash(kUncleanShutdownDetectedFile)) { |
| ProcessUncleanShutdown(); |
| } |
| |
| // On OS version change, clear version stats (which are reported daily). |
| int32_t version = GetOsVersionHash(); |
| if (version_cycle_->Get() != version) { |
| version_cycle_->Set(version); |
| kernel_crashes_version_count_->Set(0); |
| version_cumulative_active_use_->Set(0); |
| version_cumulative_cpu_use_->Set(0); |
| } |
| |
| return brillo::DBusDaemon::Run(); |
| } |
| |
| void MetricsDaemon::RunUploaderTest() { |
| upload_service_.reset(new UploadService( |
| new SystemProfileCache(true, config_root_), metrics_lib_, server_)); |
| upload_service_->Init(upload_interval_, metrics_file_, |
| true /* uploads_enabled */); |
| upload_service_->UploadEvent(); |
| } |
| |
| uint32_t MetricsDaemon::GetOsVersionHash() { |
| static uint32_t cached_version_hash = 0; |
| static bool version_hash_is_cached = false; |
| if (version_hash_is_cached) |
| return cached_version_hash; |
| version_hash_is_cached = true; |
| std::string version; |
| if (base::SysInfo::GetLsbReleaseValue("CHROMEOS_RELEASE_VERSION", &version)) { |
| cached_version_hash = base::Hash(version); |
| } else if (testing_) { |
| cached_version_hash = 42; // return any plausible value for the hash |
| } else { |
| LOG(FATAL) << "could not find CHROMEOS_RELEASE_VERSION"; |
| } |
| return cached_version_hash; |
| } |
| |
| bool MetricsDaemon::IsOnOfficialBuild() const { |
| std::string build_type; |
| return (base::SysInfo::GetLsbReleaseValue("CHROMEOS_RELEASE_BUILD_TYPE", |
| &build_type) && |
| build_type == kOfficialBuild); |
| } |
| |
| void MetricsDaemon::Init(bool testing, |
| bool uploader_active, |
| MetricsLibraryInterface* metrics_lib, |
| const string& diskstats_path, |
| const string& vmstats_path, |
| const string& scaling_max_freq_path, |
| const string& cpuinfo_max_freq_path, |
| const base::TimeDelta& upload_interval, |
| const string& server, |
| const string& metrics_file, |
| const string& config_root, |
| const base::FilePath& backing_dir) { |
| testing_ = testing; |
| uploader_active_ = uploader_active; |
| config_root_ = config_root; |
| DCHECK(metrics_lib != nullptr); |
| metrics_lib_ = metrics_lib; |
| backing_dir_ = backing_dir; |
| |
| upload_interval_ = upload_interval; |
| server_ = server; |
| metrics_file_ = metrics_file; |
| |
| // Get ticks per second (HZ) on this system. |
| // Sysconf cannot fail, so no sanity checks are needed. |
| ticks_per_second_ = sysconf(_SC_CLK_TCK); |
| |
| daily_active_use_.reset( |
| new PersistentInteger(backing_dir_.Append(kDailyUseTimeName))); |
| version_cumulative_active_use_.reset( |
| new PersistentInteger(backing_dir_.Append(kCumulativeUseTimeName))); |
| version_cumulative_cpu_use_.reset( |
| new PersistentInteger(backing_dir_.Append(kCumulativeCpuTimeName))); |
| kernel_crash_interval_.reset( |
| new PersistentInteger(backing_dir_.Append(kKernelCrashIntervalName))); |
| unclean_shutdown_interval_.reset( |
| new PersistentInteger(backing_dir_.Append(kUncleanShutdownIntervalName))); |
| user_crash_interval_.reset( |
| new PersistentInteger(backing_dir_.Append(kUserCrashIntervalName))); |
| any_crashes_daily_count_.reset( |
| new PersistentInteger(backing_dir_.Append(kAnyCrashesDailyName))); |
| any_crashes_weekly_count_.reset( |
| new PersistentInteger(backing_dir_.Append(kAnyCrashesWeeklyName))); |
| user_crashes_daily_count_.reset( |
| new PersistentInteger(backing_dir_.Append(kUserCrashesDailyName))); |
| user_crashes_weekly_count_.reset( |
| new PersistentInteger(backing_dir_.Append(kUserCrashesWeeklyName))); |
| kernel_crashes_daily_count_.reset( |
| new PersistentInteger(backing_dir_.Append(kKernelCrashesDailyName))); |
| kernel_crashes_weekly_count_.reset( |
| new PersistentInteger(backing_dir_.Append(kKernelCrashesWeeklyName))); |
| kernel_crashes_version_count_.reset(new PersistentInteger( |
| backing_dir_.Append(kKernelCrashesSinceUpdateName))); |
| unclean_shutdowns_daily_count_.reset( |
| new PersistentInteger(backing_dir_.Append(kUncleanShutdownsDailyName))); |
| unclean_shutdowns_weekly_count_.reset( |
| new PersistentInteger(backing_dir_.Append(kUncleanShutdownsWeeklyName))); |
| |
| daily_cycle_.reset(new PersistentInteger(backing_dir_.Append("daily.cycle"))); |
| weekly_cycle_.reset( |
| new PersistentInteger(backing_dir_.Append("weekly.cycle"))); |
| version_cycle_.reset( |
| new PersistentInteger(backing_dir_.Append("version.cycle"))); |
| |
| diskstats_path_ = diskstats_path; |
| vmstats_path_ = vmstats_path; |
| scaling_max_freq_path_ = scaling_max_freq_path; |
| cpuinfo_max_freq_path_ = cpuinfo_max_freq_path; |
| |
| zone_path_base_ = base::FilePath("/sys/class/thermal/"); |
| |
| vmstats_daily_success = VmStatsReadStats(&vmstats_daily_start); |
| |
| // Start the "last update" time at the time of metrics daemon starting. |
| // This isn't entirely accurate -- in general, the tick counter will start |
| // counting when the kernel starts executing, while metrics_daemon will only |
| // start up once boot has mostly completed. |
| // However, we need to initialize because: |
| // 1. metrics_daemon might crash and restart. In this case, if we did not |
| // initialize last_update_stats_time_, the first values we calculate based on |
| // it will be based on the overall uptime of the device, rather than the |
| // actual interval between updates. |
| // 2. TimeTicks doesn't guarantee anything about when the value it returns |
| // will be zero -- only that the value is monotonically nondecreasing. In |
| // principle, on some platforms, it could start at a large number on boot. |
| last_update_stats_time_ = TimeTicks::Now(); |
| |
| // If testing, initialize Stats Reporter without connecting DBus |
| if (testing_) |
| StatsReporterInit(); |
| } |
| |
| int MetricsDaemon::OnInit() { |
| int return_code = brillo::DBusDaemon::OnInit(); |
| if (return_code != EX_OK) |
| return return_code; |
| |
| StatsReporterInit(); |
| |
| // Start collecting meminfo stats. |
| ScheduleMeminfoCallback(kMetricMeminfoInterval); |
| memuse_final_time_ = GetActiveTime() + kMemuseIntervals[0]; |
| ScheduleMemuseCallback(kMemuseIntervals[0]); |
| |
| // Start collecting process memory stats. |
| ScheduleReportProcessMemory(kMetricReportProcessMemoryInterval); |
| |
| // Start collecting detachable base stats. |
| ScheduleDetachableBaseCallback(kMetricDetachableBaseInterval); |
| |
| if (testing_) |
| return EX_OK; |
| |
| vmlog_writer_.reset(new chromeos_metrics::VmlogWriter( |
| base::FilePath(kVmlogDir), kVmlogInterval)); |
| bus_->AssertOnDBusThread(); |
| CHECK(bus_->SetUpAsyncOperations()); |
| |
| if (bus_->IsConnected()) { |
| const std::string match_rule = |
| base::StringPrintf(kCrashReporterMatchRule, kCrashReporterInterface, |
| kCrashReporterUserCrashSignal); |
| |
| // A filter function is used here because there is no permanent object |
| // proxy exported by crash_reporter as it is a short-lived program. |
| // |
| // It might be theoretically possible to convert it to use |
| // ObjectProxy::ConnectToSignal, but it's probably not worth the effort, |
| // especially since ConnectToSignal uses FilterFunctions under the hood |
| // anyways. |
| bus_->AddFilterFunction(&MetricsDaemon::MessageFilter, this); |
| |
| DBusError error; |
| dbus_error_init(&error); |
| bus_->AddMatch(match_rule, &error); |
| |
| if (dbus_error_is_set(&error)) { |
| LOG(ERROR) << "Failed to add match rule \"" << match_rule << "\". Got " |
| << error.name << ": " << error.message; |
| return EX_SOFTWARE; |
| } |
| |
| dbus::ObjectProxy* powerd_proxy = bus_->GetObjectProxy( |
| power_manager::kPowerManagerServiceName, |
| dbus::ObjectPath(power_manager::kPowerManagerServicePath)); |
| |
| powerd_proxy->ConnectToSignal( |
| power_manager::kPowerManagerInterface, |
| power_manager::kSuspendDoneSignal, |
| base::Bind(&MetricsDaemon::HandleSuspendDone, GET_THIS_FOR_POSTTASK()), |
| base::Bind(&DBusSignalConnected)); |
| |
| } else { |
| LOG(ERROR) << "DBus isn't connected."; |
| return EX_UNAVAILABLE; |
| } |
| |
| base::ThreadTaskRunnerHandle::Get()->PostDelayedTask( |
| FROM_HERE, |
| base::Bind(&MetricsDaemon::HandleUpdateStatsTimeout, |
| GET_THIS_FOR_POSTTASK()), |
| base::TimeDelta::FromMilliseconds(kInitialUpdateStatsIntervalMs)); |
| |
| // Emit a "0" value on start, to provide a baseline for this metric. |
| SendLinearSample(kMetricCroutonStarted, 0, 2, 3); |
| SendCroutonStats(); |
| |
| if (uploader_active_) { |
| bool is_official = IsOnOfficialBuild(); |
| LOG(INFO) << "uploader enabled" |
| << (is_official ? "" : " (dummy mode for unofficial build)"); |
| upload_service_.reset( |
| new UploadService(new SystemProfileCache(), metrics_lib_, server_)); |
| upload_service_->Init(upload_interval_, metrics_file_, |
| is_official /* uploads_enabled */); |
| } |
| |
| return EX_OK; |
| } |
| |
| void MetricsDaemon::OnShutdown(int* return_code) { |
| if (!testing_ && bus_->IsConnected()) { |
| const std::string match_rule = |
| base::StringPrintf(kCrashReporterMatchRule, kCrashReporterInterface, |
| kCrashReporterUserCrashSignal); |
| |
| bus_->RemoveFilterFunction(&MetricsDaemon::MessageFilter, this); |
| |
| DBusError error; |
| dbus_error_init(&error); |
| bus_->RemoveMatch(match_rule, &error); |
| |
| if (dbus_error_is_set(&error)) { |
| LOG(ERROR) << "Failed to remove match rule \"" << match_rule << "\". Got " |
| << error.name << ": " << error.message; |
| } |
| } |
| brillo::DBusDaemon::OnShutdown(return_code); |
| } |
| |
| // static |
| DBusHandlerResult MetricsDaemon::MessageFilter(DBusConnection* connection, |
| DBusMessage* message, |
| void* user_data) { |
| int message_type = dbus_message_get_type(message); |
| if (message_type != DBUS_MESSAGE_TYPE_SIGNAL) { |
| DLOG(WARNING) << "unexpected message type " << message_type; |
| return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; |
| } |
| |
| // Signal messages always have interfaces. |
| const std::string interface(dbus_message_get_interface(message)); |
| const std::string member(dbus_message_get_member(message)); |
| |
| MetricsDaemon* daemon = static_cast<MetricsDaemon*>(user_data); |
| |
| DBusMessageIter iter; |
| dbus_message_iter_init(message, &iter); |
| if (interface == kCrashReporterInterface) { |
| CHECK_EQ(member, kCrashReporterUserCrashSignal); |
| daemon->ProcessUserCrash(); |
| } else { |
| // Ignore messages from the bus itself. |
| return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; |
| } |
| |
| return DBUS_HANDLER_RESULT_HANDLED; |
| } |
| |
| // One might argue that parts of this should go into |
| // chromium/src/base/sys_info_chromeos.c instead, but put it here for now. |
| |
| TimeDelta MetricsDaemon::GetIncrementalCpuUse() { |
| FilePath proc_stat_path = FilePath(kMetricsProcStatFileName); |
| std::string proc_stat_string; |
| if (!base::ReadFileToString(proc_stat_path, &proc_stat_string)) { |
| LOG(WARNING) << "cannot open " << kMetricsProcStatFileName; |
| return TimeDelta(); |
| } |
| |
| std::vector<std::string> proc_stat_lines = base::SplitString( |
| proc_stat_string, "\n", base::KEEP_WHITESPACE, base::SPLIT_WANT_ALL); |
| if (proc_stat_lines.empty()) { |
| LOG(WARNING) << "cannot parse " << kMetricsProcStatFileName << ": " |
| << proc_stat_string; |
| return TimeDelta(); |
| } |
| std::vector<std::string> proc_stat_totals = |
| base::SplitString(proc_stat_lines[0], base::kWhitespaceASCII, |
| base::KEEP_WHITESPACE, base::SPLIT_WANT_NONEMPTY); |
| |
| uint64_t user_ticks, user_nice_ticks, system_ticks; |
| if (proc_stat_totals.size() != kMetricsProcStatFirstLineItemsCount || |
| proc_stat_totals[0] != "cpu" || |
| !base::StringToUint64(proc_stat_totals[1], &user_ticks) || |
| !base::StringToUint64(proc_stat_totals[2], &user_nice_ticks) || |
| !base::StringToUint64(proc_stat_totals[3], &system_ticks)) { |
| LOG(WARNING) << "cannot parse first line: " << proc_stat_lines[0]; |
| return TimeDelta(base::TimeDelta::FromSeconds(0)); |
| } |
| |
| uint64_t total_cpu_use_ticks = user_ticks + user_nice_ticks + system_ticks; |
| |
| // Sanity check. |
| if (total_cpu_use_ticks < latest_cpu_use_ticks_) { |
| LOG(WARNING) << "CPU time decreasing from " << latest_cpu_use_ticks_ |
| << " to " << total_cpu_use_ticks; |
| return TimeDelta(); |
| } |
| |
| uint64_t diff = total_cpu_use_ticks - latest_cpu_use_ticks_; |
| latest_cpu_use_ticks_ = total_cpu_use_ticks; |
| // Use microseconds to avoid significant truncations. |
| return base::TimeDelta::FromMicroseconds(diff * 1000 * 1000 / |
| ticks_per_second_); |
| } |
| |
| void MetricsDaemon::ProcessUserCrash() { |
| // Counts the active time up to now. |
| UpdateStats(TimeTicks::Now(), Time::Now()); |
| |
| // Reports the active use time since the last crash and resets it. |
| SendAndResetCrashIntervalSample(user_crash_interval_, kUserCrashIntervalName); |
| |
| any_crashes_daily_count_->Add(1); |
| any_crashes_weekly_count_->Add(1); |
| user_crashes_daily_count_->Add(1); |
| user_crashes_weekly_count_->Add(1); |
| } |
| |
| void MetricsDaemon::ProcessKernelCrash() { |
| // Counts the active time up to now. |
| UpdateStats(TimeTicks::Now(), Time::Now()); |
| |
| // Reports the active use time since the last crash and resets it. |
| SendAndResetCrashIntervalSample(kernel_crash_interval_, |
| kKernelCrashIntervalName); |
| |
| any_crashes_daily_count_->Add(1); |
| any_crashes_weekly_count_->Add(1); |
| kernel_crashes_daily_count_->Add(1); |
| kernel_crashes_weekly_count_->Add(1); |
| |
| kernel_crashes_version_count_->Add(1); |
| } |
| |
| void MetricsDaemon::ProcessUncleanShutdown() { |
| // Counts the active time up to now. |
| UpdateStats(TimeTicks::Now(), Time::Now()); |
| |
| // Reports the active use time since the last crash and resets it. |
| SendAndResetCrashIntervalSample(unclean_shutdown_interval_, |
| kUncleanShutdownIntervalName); |
| |
| unclean_shutdowns_daily_count_->Add(1); |
| LOG(INFO) << "metrics_daemon processing unclean shutdown; new value: " |
| << unclean_shutdowns_daily_count_->Get(); |
| unclean_shutdowns_weekly_count_->Add(1); |
| any_crashes_daily_count_->Add(1); |
| any_crashes_weekly_count_->Add(1); |
| } |
| |
| bool MetricsDaemon::CheckSystemCrash(const string& crash_file) { |
| FilePath crash_detected(crash_file); |
| if (!base::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. |
| base::DeleteFile(crash_detected); // not recursive |
| return true; |
| } |
| |
| void MetricsDaemon::StatsReporterInit() { |
| DiskStatsReadStats(&read_sectors_, &write_sectors_); |
| VmStatsReadStats(&vmstats_); |
| // The first time around just run the long stat, so we don't delay boot. |
| stats_state_ = kStatsLong; |
| stats_initial_time_ = GetActiveTime(); |
| if (stats_initial_time_ < 0) { |
| LOG(WARNING) << "not collecting disk stats"; |
| } else { |
| ScheduleStatsCallback(kMetricStatsLongInterval); |
| } |
| } |
| |
| void MetricsDaemon::ScheduleStatsCallback(int wait) { |
| if (testing_) { |
| return; |
| } |
| base::ThreadTaskRunnerHandle::Get()->PostDelayedTask( |
| FROM_HERE, |
| base::Bind(&MetricsDaemon::StatsCallback, GET_THIS_FOR_POSTTASK()), |
| base::TimeDelta::FromSeconds(wait)); |
| } |
| |
| bool MetricsDaemon::DiskStatsReadStats(uint64_t* read_sectors, |
| uint64_t* write_sectors) { |
| int nchars; |
| int nitems; |
| bool success = false; |
| char line[200]; |
| if (diskstats_path_.empty()) { |
| return false; |
| } |
| int file = HANDLE_EINTR(open(diskstats_path_.c_str(), O_RDONLY)); |
| if (file < 0) { |
| PLOG(WARNING) << "cannot open " << diskstats_path_; |
| return false; |
| } |
| nchars = HANDLE_EINTR(read(file, line, sizeof(line))); |
| if (nchars < 0) { |
| PLOG(WARNING) << "cannot read from " << diskstats_path_; |
| return false; |
| } else { |
| LOG_IF(WARNING, nchars == sizeof(line)) |
| << "line too long in " << diskstats_path_; |
| line[nchars] = '\0'; |
| nitems = sscanf(line, "%*d %*d %" PRIu64 " %*d %*d %*d %" PRIu64, |
| read_sectors, write_sectors); |
| if (nitems == 2) { |
| success = true; |
| } else { |
| LOG(WARNING) << "found " << nitems << " items in " << diskstats_path_ |
| << ", expected 2"; |
| } |
| } |
| IGNORE_EINTR(close(file)); |
| return success; |
| } |
| |
| bool MetricsDaemon::VmStatsReadStats(struct VmstatRecord* stats) { |
| std::ifstream vmstat_stream(vmstats_path_, std::ifstream::in); |
| if (vmstat_stream.fail()) { |
| LOG(WARNING) << "Couldn't open " << vmstats_path_; |
| return false; |
| } |
| return VmStatsParseStats(&vmstat_stream, stats); |
| } |
| |
| void MetricsDaemon::SetThermalZonePathBaseForTest(const base::FilePath& path) { |
| zone_path_base_ = path; |
| } |
| |
| std::map<std::string, uint64_t> MetricsDaemon::ReadSensorTemperatures() { |
| // -1 value means we haven't yet determined how many zones there are |
| // this run, we'll iterate until we get an error reading a file. |
| bool update_zone_count = thermal_zone_count_ == -1; |
| if (update_zone_count) |
| thermal_zone_read_failure_notified_.clear(); |
| |
| std::map<std::string, uint64_t> readings; |
| for (int zone = 0; zone < thermal_zone_count_ || update_zone_count; zone++) { |
| std::string thermal_zone = |
| base::StringPrintf(MetricsDaemon::kSysfsThermalZoneFormat, zone); |
| FilePath zone_path = zone_path_base_.Append(thermal_zone); |
| std::string type; |
| bool type_read_success = base::ReadFileToString( |
| zone_path.Append(kSysfsTemperatureTypeFile), &type); |
| |
| if (!type_read_success) { |
| if (update_zone_count) { |
| // We failed to read from a zone. Since this is the first time during |
| // this loop, the last valid zone must have been (|zone| - 1), meaning |
| // the number of thermal zones must equal |zone|. |
| thermal_zone_count_ = zone; |
| break; |
| } |
| LOG(WARNING) << "Failed to read type file for zone " << zone_path.value(); |
| // This read failed so we'll skip reading the value, but there are more |
| // zones to read from so remain in the loop. |
| continue; |
| } |
| |
| if (update_zone_count) { |
| thermal_zone_read_failure_notified_.push_back(false); |
| } |
| bool warn_on_read_failure = !thermal_zone_read_failure_notified_.at(zone); |
| uint64_t temperature = 0; |
| if (ReadFileToUint64(zone_path.Append(kSysfsTemperatureValueFile), |
| &temperature, warn_on_read_failure)) { |
| base::TrimWhitespaceASCII(type, base::TRIM_TRAILING, &type); |
| readings.emplace(type, temperature); |
| thermal_zone_read_failure_notified_.at(zone) = false; |
| } else { |
| thermal_zone_read_failure_notified_.at(zone) = true; |
| } |
| } |
| return readings; |
| } |
| |
| void MetricsDaemon::SendTemperatureSamples() { |
| for (const auto& entry : ReadSensorTemperatures()) { |
| std::string metric_name; |
| // Name for CPU sensor is platform dependent. |
| if (entry.first == "TCPU" || entry.first == "B0D4" || |
| entry.first == "acpitz") { |
| metric_name = kMetricTemperatureCpuName; |
| } else if (entry.first == "TSR0") { |
| metric_name = kMetricTemperatureZeroName; |
| } else if (entry.first == "TSR1") { |
| metric_name = kMetricTemperatureOneName; |
| } else if (entry.first == "TSR2") { |
| metric_name = kMetricTemperatureTwoName; |
| } else { |
| continue; |
| } |
| // Readings are millidegrees Celsius, convert to degrees. |
| int sample = static_cast<int>(round(entry.second / 1000.0)); |
| SendLinearSample(metric_name, sample, kMetricTemperatureMax, |
| kMetricTemperatureMax + 1); |
| } |
| } |
| |
| void MetricsDaemon::HandleSuspendDone(dbus::Signal* signal) { |
| power_manager::SuspendDone info; |
| dbus::MessageReader reader(signal); |
| CHECK(reader.PopArrayOfBytesAsProto(&info)); |
| const base::TimeDelta duration = |
| base::TimeDelta::FromInternalValue(info.suspend_duration()); |
| if (duration >= kMinSuspendDurationForAmbientTemperature) { |
| for (const auto& entry : ReadSensorTemperatures()) { |
| std::string metric_name; |
| // Name for CPU sensor is platform dependent. |
| if (entry.first == "TCPU" || entry.first == "B0D4" || |
| entry.first == "acpitz") { |
| metric_name = kMetricSuspendedTemperatureCpuName; |
| } else if (entry.first == "TSR0") { |
| metric_name = kMetricSuspendedTemperatureZeroName; |
| } else if (entry.first == "TSR1") { |
| metric_name = kMetricSuspendedTemperatureOneName; |
| } else if (entry.first == "TSR2") { |
| metric_name = kMetricSuspendedTemperatureTwoName; |
| } else { |
| continue; |
| } |
| // Readings are millidegrees Celsius, convert to degrees. |
| int sample = static_cast<int>(round(entry.second / 1000.0)); |
| SendLinearSample(metric_name, sample, kMetricTemperatureMax, |
| kMetricTemperatureMax + 1); |
| } |
| } |
| } |
| |
| bool MetricsDaemon::ReadFreqToInt(const string& sysfs_file_name, int* value) { |
| const FilePath sysfs_path(sysfs_file_name); |
| string value_string; |
| if (!base::ReadFileToString(sysfs_path, &value_string)) { |
| LOG(WARNING) << "cannot read " << sysfs_path.value().c_str(); |
| return false; |
| } |
| if (!base::RemoveChars(value_string, "\n", &value_string)) { |
| LOG(WARNING) << "no newline in " << value_string; |
| // Continue even though the lack of newline is suspicious. |
| } |
| if (!base::StringToInt(value_string, value)) { |
| LOG(WARNING) << "cannot convert " << value_string << " to int"; |
| return false; |
| } |
| return true; |
| } |
| |
| void MetricsDaemon::SendCpuThrottleMetrics() { |
| // |max_freq| is 0 only the first time through. |
| static int max_freq = 0; |
| if (max_freq == -1) |
| // Give up, as sysfs did not report max_freq correctly. |
| return; |
| if (max_freq == 0 || testing_) { |
| // One-time initialization of max_freq. (Every time when testing.) |
| if (!ReadFreqToInt(cpuinfo_max_freq_path_, &max_freq)) { |
| max_freq = -1; |
| return; |
| } |
| if (max_freq == 0) { |
| LOG(WARNING) << "sysfs reports 0 max CPU frequency\n"; |
| max_freq = -1; |
| return; |
| } |
| if (max_freq % 10000 == 1000) { |
| // Special case: system has turbo mode, and max non-turbo frequency is |
| // max_freq - 1000. This relies on "normal" (non-turbo) frequencies |
| // being multiples of (at least) 10 MHz. Although there is no guarantee |
| // of this, it seems a fairly reasonable assumption. Otherwise we should |
| // read scaling_available_frequencies, sort the frequencies, compare the |
| // two highest ones, and check if they differ by 1000 (kHz) (and that's a |
| // hack too, no telling when it will change). |
| max_freq -= 1000; |
| } |
| } |
| int scaled_freq = 0; |
| if (!ReadFreqToInt(scaling_max_freq_path_, &scaled_freq)) |
| return; |
| // Frequencies are in kHz. If scaled_freq > max_freq, turbo is on, but |
| // scaled_freq is not the actual turbo frequency. We indicate this situation |
| // with a 101% value. |
| int percent = scaled_freq > max_freq ? 101 : scaled_freq / (max_freq / 100); |
| SendLinearSample(kMetricScaledCpuFrequencyName, percent, 101, 102); |
| } |
| |
| // Collects disk and vm stats alternating over a short and a long interval. |
| |
| void MetricsDaemon::StatsCallback() { |
| uint64_t read_sectors_now, write_sectors_now; |
| struct VmstatRecord vmstats_now; |
| double time_now = GetActiveTime(); |
| double delta_time = time_now - stats_initial_time_; |
| if (testing_) { |
| // Fake the time when testing. |
| delta_time = stats_state_ == kStatsShort ? kMetricStatsShortInterval |
| : kMetricStatsLongInterval; |
| } |
| bool diskstats_success = |
| DiskStatsReadStats(&read_sectors_now, &write_sectors_now); |
| int delta_read = read_sectors_now - read_sectors_; |
| int delta_write = write_sectors_now - write_sectors_; |
| int read_sectors_per_second = delta_read / delta_time; |
| int write_sectors_per_second = delta_write / delta_time; |
| bool vmstats_success = VmStatsReadStats(&vmstats_now); |
| uint64_t delta_faults = vmstats_now.page_faults_ - vmstats_.page_faults_; |
| uint64_t delta_file_faults = |
| vmstats_now.file_page_faults_ - vmstats_.file_page_faults_; |
| uint64_t delta_anon_faults = |
| vmstats_now.anon_page_faults_ - vmstats_.anon_page_faults_; |
| uint64_t delta_swap_in = vmstats_now.swap_in_ - vmstats_.swap_in_; |
| uint64_t delta_swap_out = vmstats_now.swap_out_ - vmstats_.swap_out_; |
| uint64_t page_faults_per_second = delta_faults / delta_time; |
| uint64_t file_page_faults_per_second = delta_file_faults / delta_time; |
| uint64_t anon_page_faults_per_second = delta_anon_faults / delta_time; |
| uint64_t swap_in_per_second = delta_swap_in / delta_time; |
| uint64_t swap_out_per_second = delta_swap_out / delta_time; |
| |
| switch (stats_state_) { |
| case kStatsShort: |
| if (diskstats_success) { |
| SendSample(kMetricReadSectorsShortName, read_sectors_per_second, 1, |
| kMetricSectorsIOMax, kMetricSectorsBuckets); |
| SendSample(kMetricWriteSectorsShortName, write_sectors_per_second, 1, |
| kMetricSectorsIOMax, kMetricSectorsBuckets); |
| } |
| if (vmstats_success) { |
| SendSample(kMetricPageFaultsShortName, page_faults_per_second, 1, |
| kMetricPageFaultsMax, kMetricPageFaultsBuckets); |
| SendSample(kMetricFilePageFaultsShortName, file_page_faults_per_second, |
| 1, kMetricPageFaultsMax, kMetricPageFaultsBuckets); |
| SendSample(kMetricAnonPageFaultsShortName, anon_page_faults_per_second, |
| 1, kMetricPageFaultsMax, kMetricPageFaultsBuckets); |
| SendSample(kMetricSwapInShortName, swap_in_per_second, 1, |
| kMetricPageFaultsMax, kMetricPageFaultsBuckets); |
| SendSample(kMetricSwapOutShortName, swap_out_per_second, 1, |
| kMetricPageFaultsMax, kMetricPageFaultsBuckets); |
| } |
| // Schedule long callback. |
| stats_state_ = kStatsLong; |
| ScheduleStatsCallback(kMetricStatsLongInterval - |
| kMetricStatsShortInterval); |
| break; |
| case kStatsLong: |
| if (diskstats_success) { |
| SendSample(kMetricReadSectorsLongName, read_sectors_per_second, 1, |
| kMetricSectorsIOMax, kMetricSectorsBuckets); |
| SendSample(kMetricWriteSectorsLongName, write_sectors_per_second, 1, |
| kMetricSectorsIOMax, kMetricSectorsBuckets); |
| // Reset sector counters. |
| read_sectors_ = read_sectors_now; |
| write_sectors_ = write_sectors_now; |
| } |
| if (vmstats_success) { |
| SendSample(kMetricPageFaultsLongName, page_faults_per_second, 1, |
| kMetricPageFaultsMax, kMetricPageFaultsBuckets); |
| SendSample(kMetricFilePageFaultsLongName, file_page_faults_per_second, |
| 1, kMetricPageFaultsMax, kMetricPageFaultsBuckets); |
| SendSample(kMetricAnonPageFaultsLongName, anon_page_faults_per_second, |
| 1, kMetricPageFaultsMax, kMetricPageFaultsBuckets); |
| SendSample(kMetricSwapInLongName, swap_in_per_second, 1, |
| kMetricPageFaultsMax, kMetricPageFaultsBuckets); |
| SendSample(kMetricSwapOutLongName, swap_out_per_second, 1, |
| kMetricPageFaultsMax, kMetricPageFaultsBuckets); |
| |
| vmstats_ = vmstats_now; |
| } |
| SendCpuThrottleMetrics(); |
| SendTemperatureSamples(); |
| // Set start time for new cycle. |
| stats_initial_time_ = time_now; |
| // Schedule short callback. |
| stats_state_ = kStatsShort; |
| ScheduleStatsCallback(kMetricStatsShortInterval); |
| break; |
| default: |
| LOG(FATAL) << "Invalid stats state"; |
| } |
| } |
| |
| void MetricsDaemon::ScheduleMeminfoCallback(int wait) { |
| if (testing_) |
| return; |
| base::TimeDelta wait_delta = base::TimeDelta::FromSeconds(wait); |
| base::ThreadTaskRunnerHandle::Get()->PostDelayedTask( |
| FROM_HERE, |
| base::Bind(&MetricsDaemon::MeminfoCallback, GET_THIS_FOR_POSTTASK(), |
| wait_delta), |
| wait_delta); |
| } |
| |
| void MetricsDaemon::MeminfoCallback(base::TimeDelta wait) { |
| string meminfo_raw; |
| const FilePath meminfo_path("/proc/meminfo"); |
| if (!base::ReadFileToString(meminfo_path, &meminfo_raw)) { |
| LOG(WARNING) << "cannot read " << meminfo_path.value().c_str(); |
| return; |
| } |
| // Make both calls even if the first one fails. Only stop rescheduling if |
| // both calls fail, since some platforms do not support zram. |
| bool success = ProcessMeminfo(meminfo_raw); |
| success = ReportZram(base::FilePath("/sys/block/zram0")) || success; |
| if (success) { |
| base::ThreadTaskRunnerHandle::Get()->PostDelayedTask( |
| FROM_HERE, |
| base::Bind(&MetricsDaemon::MeminfoCallback, GET_THIS_FOR_POSTTASK(), |
| wait), |
| wait); |
| } |
| } |
| |
| void MetricsDaemon::ScheduleReportProcessMemory(base::TimeDelta interval) { |
| if (testing_) |
| return; |
| base::ThreadTaskRunnerHandle::Get()->PostDelayedTask( |
| FROM_HERE, |
| base::Bind(&MetricsDaemon::ReportProcessMemoryCallback, |
| GET_THIS_FOR_POSTTASK(), interval), |
| interval); |
| } |
| |
| void MetricsDaemon::ReportProcessMemoryCallback(base::TimeDelta wait) { |
| ReportProcessMemory(); |
| base::ThreadTaskRunnerHandle::Get()->PostDelayedTask( |
| FROM_HERE, |
| base::Bind(&MetricsDaemon::ReportProcessMemoryCallback, |
| GET_THIS_FOR_POSTTASK(), wait), |
| wait); |
| } |
| |
| void MetricsDaemon::ReportProcessMemory() { |
| base::FilePath procfs_path("/proc"); |
| base::FilePath run_path("/run"); |
| ProcessInfo info(procfs_path, run_path); |
| info.Collect(); |
| info.Classify(); |
| for (int i = 0; i < PG_KINDS_COUNT; i++) { |
| ProcessGroupKind kind = static_cast<ProcessGroupKind>(i); |
| ProcessMemoryStats stats; |
| // base::size is not compile time value, thus not usable by static_assert. |
| // use sizeof instead, sizeof(kProcessMemoryUMANames[i]) should return |
| // (number of elements * size of pointers), so is sizeof(stats.rss_sizes) |
| // since both kProcessMemoryUMANames[i] and rss_sizes are arrays with fixed |
| // size defined. |
| static_assert(sizeof(kProcessMemoryUMANames[i]) / |
| sizeof(*kProcessMemoryUMANames[i]) == |
| sizeof(stats.rss_sizes) / sizeof(*stats.rss_sizes), |
| "RSS array size mismatch"); |
| AccumulateProcessGroupStats(procfs_path, info.GetGroup(kind), &stats); |
| ReportProcessGroupStats(kProcessMemoryUMANames[i], stats); |
| } |
| } |
| |
| void MetricsDaemon::ReportProcessGroupStats( |
| const char* const uma_names[MEM_KINDS_COUNT], |
| const ProcessMemoryStats& stats) { |
| const uint64_t MiB = 1 << 20; |
| for (int i = 0; i < base::size(stats.rss_sizes); i++) { |
| SendSample(uma_names[i], stats.rss_sizes[i] / MiB, 1, kMaxMemSizeMiB, 50); |
| } |
| } |
| |
| void MetricsDaemon::ScheduleDetachableBaseCallback(int wait) { |
| if (testing_) |
| return; |
| |
| base::TimeDelta wait_delta = base::TimeDelta::FromSeconds(wait); |
| base::ThreadTaskRunnerHandle::Get()->PostDelayedTask( |
| FROM_HERE, |
| base::Bind(&MetricsDaemon::DetachableBaseCallback, |
| GET_THIS_FOR_POSTTASK(), base::FilePath{kHammerSysfsPathPath}, |
| wait_delta), |
| wait_delta); |
| } |
| |
| void MetricsDaemon::DetachableBaseCallback(const base::FilePath sysfs_path_path, |
| base::TimeDelta wait) { |
| uint64_t active_time, suspended_time; |
| |
| if (GetDetachableBaseTimes(sysfs_path_path, &active_time, &suspended_time)) { |
| // Edge case: disconnected and reconnected since the last callback. |
| if (active_time < detachable_base_active_time_ || |
| suspended_time < detachable_base_suspended_time_) { |
| DLOG(INFO) << "Detachable base removed (or time counter overflow)"; |
| detachable_base_active_time_ = active_time; |
| detachable_base_suspended_time_ = suspended_time; |
| } |
| |
| if (detachable_base_active_time_ == 0 && |
| detachable_base_suspended_time_ == 0) |
| DLOG(INFO) << "Detachable base detected, start reporting activity"; |
| |
| uint64_t delta_active = active_time - detachable_base_active_time_; |
| uint64_t delta_suspended = suspended_time - detachable_base_suspended_time_; |
| |
| if ((delta_active + delta_suspended) > 0) { |
| double active_ratio = |
| static_cast<double>(delta_active) / (delta_active + delta_suspended); |
| |
| DLOG(INFO) << "Detachable base active_ratio: " |
| << base::StringPrintf("%.8f", active_ratio); |
| |
| // Linear scale, min=0, max=100, buckets=101. |
| SendLinearSample(kMetricDetachableBaseActivePercentName, |
| active_ratio * 100, 100, 101); |
| } |
| } else { |
| if (detachable_base_active_time_ != 0 && |
| detachable_base_suspended_time_ != 0) |
| DLOG(INFO) << "Detachable base removed"; |
| active_time = 0; |
| suspended_time = 0; |
| } |
| |
| detachable_base_active_time_ = active_time; |
| detachable_base_suspended_time_ = suspended_time; |
| |
| base::ThreadTaskRunnerHandle::Get()->PostDelayedTask( |
| FROM_HERE, |
| base::Bind(&MetricsDaemon::DetachableBaseCallback, |
| GET_THIS_FOR_POSTTASK(), sysfs_path_path, wait), |
| wait); |
| } |
| |
| bool MetricsDaemon::GetDetachableBaseTimes(const base::FilePath sysfs_path_path, |
| uint64_t* active_time, |
| uint64_t* suspended_time) { |
| base::FilePath sysfs_path; |
| std::string content; |
| |
| if (!base::ReadFileToString(sysfs_path_path, &content)) |
| return false; |
| base::TrimWhitespaceASCII(content, base::TRIM_TRAILING, &content); |
| |
| sysfs_path = base::FilePath(content); |
| if (!base::ReadFileToString(sysfs_path.Append(kDetachableBaseSysfsLevelName), |
| &content)) |
| return false; |
| base::TrimWhitespaceASCII(content, base::TRIM_TRAILING, &content); |
| |
| if (content != "auto") |
| return false; |
| |
| bool r1 = |
| ReadFileToUint64(sysfs_path.Append(kDetachableBaseSysfsActiveTimeName), |
| active_time, false); |
| bool r2 = |
| ReadFileToUint64(sysfs_path.Append(kDetachableBaseSysfsSuspendedTimeName), |
| suspended_time, false); |
| if (!r1 || !r2) |
| return false; |
| |
| return true; |
| } |
| |
| // static |
| bool MetricsDaemon::ReadFileToUint64(const base::FilePath& path, |
| uint64_t* value, |
| bool warn_on_read_failure) { |
| std::string content; |
| if (!base::ReadFileToString(path, &content)) { |
| if (warn_on_read_failure) |
| PLOG(WARNING) << "cannot read " << path.MaybeAsASCII(); |
| return false; |
| } |
| // Remove final newline. |
| base::TrimWhitespaceASCII(content, base::TRIM_TRAILING, &content); |
| if (!base::StringToUint64(content, value)) { |
| LOG(WARNING) << "invalid integer " << content << " in file " |
| << path.value(); |
| return false; |
| } |
| return true; |
| } |
| |
| // static |
| bool MetricsDaemon::ReadZramStat(const base::FilePath& zram_dir, |
| uint64_t* compr_data_size_out, |
| uint64_t* orig_data_size_out, |
| uint64_t* zero_pages_out, |
| uint64_t* incompr_pages_out) { |
| const base::FilePath mm_stat_path = zram_dir.Append(kMMStatName); |
| std::string content; |
| |
| if (!base::ReadFileToString(mm_stat_path, &content)) { |
| // If mm_stat is not present, try to read zram stat from the old stat files. |
| if (!ReadFileToUint64(zram_dir.Append(kComprDataSizeName), |
| compr_data_size_out) || |
| !ReadFileToUint64(zram_dir.Append(kOrigDataSizeName), |
| orig_data_size_out) || |
| !ReadFileToUint64(zram_dir.Append(kZeroPagesName), zero_pages_out)) { |
| LOG(WARNING) << "Cannot open zram stat files"; |
| return false; |
| } |
| *incompr_pages_out = 0; |
| return true; |
| } |
| |
| int num_items = |
| sscanf(content.c_str(), |
| "%" PRIu64 " %" PRIu64 " %*d %*d %*d %" PRIu64 " %*d %" PRIu64, |
| orig_data_size_out, compr_data_size_out, zero_pages_out, |
| incompr_pages_out); |
| // incompr_pages is only expected in kernel >= 4.19 |
| if (num_items == 3) { |
| *incompr_pages_out = 0; |
| } |
| if (num_items < 3) { |
| LOG(WARNING) << "Found " << num_items << " item(s) in " |
| << mm_stat_path.value() << ", expected at least 3"; |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool MetricsDaemon::ReportZram(const base::FilePath& zram_dir) { |
| if (!base::DirectoryExists(zram_dir)) { |
| return false; |
| } |
| |
| // Data sizes are in bytes. |zero_pages| and |incompr_pages| are in number of |
| // pages. |
| uint64_t compr_data_size, orig_data_size, zero_pages, incompr_pages; |
| const size_t page_size = 4096; |
| |
| if (!ReadZramStat(zram_dir, &compr_data_size, &orig_data_size, &zero_pages, |
| &incompr_pages)) { |
| return false; |
| } |
| |
| // |orig_data_size| does not include zero-filled pages. |
| orig_data_size += zero_pages * page_size; |
| |
| if (incompr_pages > 0) { |
| // incompr_pages is the number of incompressible 4k pages. |
| const int incompr_pages_size = incompr_pages * page_size; |
| // The values of interest for incompr_pages size is between 1MB and 1GB. |
| // The units are number of 4k pages. |
| SendSample("Platform.ZramIncompressiblePages", incompr_pages, 256, |
| 256 * 1024, 50); |
| SendLinearSample("Platform.ZramIncompressibleRatioPercent.PreCompression", |
| incompr_pages_size * 100 / orig_data_size, 100, 101); |
| SendLinearSample("Platform.ZramIncompressibleRatioPercent.PostCompression", |
| incompr_pages_size * 100 / compr_data_size, 100, 101); |
| } |
| |
| const int compr_data_size_mb = compr_data_size >> 20; |
| const int savings_mb = (orig_data_size - compr_data_size) >> 20; |
| |
| // Report compressed size in megabytes. 100 MB or less has little impact. |
| SendSample("Platform.ZramCompressedSize", compr_data_size_mb, 100, 4000, 50); |
| SendSample("Platform.ZramSavings", savings_mb, 100, 4000, 50); |
| // The compression ratio is multiplied by 100 for better resolution. The |
| // ratios of interest are between 1 and 6 (100% and 600% as reported). We |
| // don't want samples when very little memory is being compressed. |
| // |
| // A race in older versions of zram can make orig_data_size underflow and |
| // be reported as a large positive number, so we also need to ensure that |
| // orig_data_size multiplied by 100 isn't going to overflow. |
| if (compr_data_size_mb >= 1 && |
| orig_data_size < (1ull << (sizeof(orig_data_size) * 8 - 1)) / 100) { |
| SendSample("Platform.ZramCompressionRatioPercent", |
| orig_data_size * 100 / compr_data_size, 100, 600, 50); |
| } |
| // The values of interest for zero_pages are between 1MB and 1GB. The units |
| // are number of pages. |
| SendSample("Platform.ZramZeroPages", zero_pages, 256, 256 * 1024, 50); |
| // Send ratio sample only when the ratio exists. |
| if (orig_data_size > 0) { |
| const int zero_percent = zero_pages * page_size * 100 / orig_data_size; |
| SendSample("Platform.ZramZeroRatioPercent", zero_percent, 1, 50, 50); |
| } |
| |
| return true; |
| } |
| |
| bool MetricsDaemon::ProcessMeminfo(const string& meminfo_raw) { |
| static const MeminfoRecord fields_array[] = { |
| {"MemTotal", "MemTotal"}, // SPECIAL CASE: total system memory |
| {"MemFree", "MemFree"}, |
| {"Buffers", "Buffers"}, |
| {"Cached", "Cached"}, |
| // { "SwapCached", "SwapCached" }, |
| {"Active", "Active"}, |
| {"Inactive", "Inactive"}, |
| {"ActiveAnon", "Active(anon)", kMeminfoOp_Anon}, |
| {"InactiveAnon", "Inactive(anon)", kMeminfoOp_Anon}, |
| {"ActiveFile", "Active(file)", kMeminfoOp_File}, |
| {"InactiveFile", "Inactive(file)", kMeminfoOp_File}, |
| {"Unevictable", "Unevictable", kMeminfoOp_HistLog}, |
| // { "Mlocked", "Mlocked" }, |
| {"SwapTotal", "SwapTotal", kMeminfoOp_SwapTotal}, |
| {"SwapFree", "SwapFree", kMeminfoOp_SwapFree}, |
| // { "Dirty", "Dirty" }, |
| // { "Writeback", "Writeback" }, |
| {"AnonPages", "AnonPages"}, |
| {"Mapped", "Mapped"}, |
| {"Shmem", "Shmem", kMeminfoOp_HistLog}, |
| {"Slab", "Slab", kMeminfoOp_HistLog}, |
| // { "SReclaimable", "SReclaimable" }, |
| // { "SUnreclaim", "SUnreclaim" }, |
| }; |
| vector<MeminfoRecord> fields(fields_array, |
| fields_array + base::size(fields_array)); |
| if (!FillMeminfo(meminfo_raw, &fields)) { |
| return false; |
| } |
| int total_memory = fields[0].value; |
| if (total_memory == 0) { |
| // this "cannot happen" |
| LOG(WARNING) << "borked meminfo parser"; |
| return false; |
| } |
| int swap_total = 0; |
| int swap_free = 0; |
| int mem_free_derived = 0; // free + cached + buffers |
| int mem_used_derived = 0; // total - free_derived |
| int process_data_total = 0; // anon (active and inactive) + swap |
| int file_total = 0; // file active and inactive |
| // Send all fields retrieved, except total memory. |
| for (unsigned int i = 1; i < fields.size(); i++) { |
| string metrics_name = |
| base::StringPrintf("Platform.Meminfo%s", fields[i].name); |
| int percent; |
| switch (fields[i].op) { |
| case kMeminfoOp_HistPercent: |
| // report value as percent of total memory |
| percent = fields[i].value * 100 / total_memory; |
| SendLinearSample(metrics_name, percent, 100, 101); |
| break; |
| case kMeminfoOp_HistLog: |
| // report value in kbytes, log scale, 256GiB max |
| SendSample(metrics_name, fields[i].value, 1, 256 * 1024 * 1024, 100); |
| break; |
| case kMeminfoOp_SwapTotal: |
| swap_total = fields[i].value; |
| break; |
| case kMeminfoOp_SwapFree: |
| swap_free = fields[i].value; |
| break; |
| case kMeminfoOp_Anon: |
| process_data_total += fields[i].value; |
| break; |
| case kMeminfoOp_File: |
| file_total += fields[i].value; |
| break; |
| } |
| if (strcmp(fields[i].match, "MemFree") == 0 || |
| strcmp(fields[i].match, "Buffers") == 0 || |
| strcmp(fields[i].match, "Cached") == 0) { |
| mem_free_derived += fields[i].value; |
| } |
| } |
| int swap_used = swap_total - swap_free; |
| if (swap_total > 0) { |
| int swap_used_percent = swap_used * 100 / swap_total; |
| SendSample("Platform.MeminfoSwapUsed", swap_used, 1, 256 * 1024 * 1024, |
| 100); |
| SendLinearSample("Platform.MeminfoSwapUsedPercent", swap_used_percent, 100, |
| 101); |
| } |
| process_data_total += swap_used; |
| mem_used_derived = total_memory - mem_free_derived; |
| SendSample("Platform.MeminfoMemFreeDerived", mem_free_derived, 1, |
| kMaximumMemorySizeInKB, 100); |
| SendSample("Platform.MeminfoMemUsedDerived", mem_used_derived, 1, |
| kMaximumMemorySizeInKB, 100); |
| SendSample("Platform.MeminfoMemTotal", total_memory, 1, |
| kMaximumMemorySizeInKB, 100); |
| SendSample("Platform.MeminfoProcessDataTotal", process_data_total, 1, |
| kMaximumMemorySizeInKB, 100); |
| SendSample("Platform.MeminfoFileTotal", file_total, 1, kMaximumMemorySizeInKB, |
| 100); |
| return true; |
| } |
| |
| bool MetricsDaemon::FillMeminfo(const string& meminfo_raw, |
| vector<MeminfoRecord>* fields) { |
| vector<string> lines = base::SplitString( |
| meminfo_raw, "\n", base::KEEP_WHITESPACE, base::SPLIT_WANT_NONEMPTY); |
| |
| // Scan meminfo output and collect field values. Each field name has to |
| // match a meminfo entry (case insensitive) after removing non-alpha |
| // characters from the entry. |
| size_t ifield = 0; |
| for (size_t iline = 0; iline < lines.size() && ifield < fields->size(); |
| iline++) { |
| vector<string> tokens = base::SplitString( |
| lines[iline], ": ", base::KEEP_WHITESPACE, base::SPLIT_WANT_NONEMPTY); |
| if (strcmp((*fields)[ifield].match, tokens[0].c_str()) == 0) { |
| // Name matches. Parse value and save. |
| char* rest; |
| (*fields)[ifield].value = |
| static_cast<int>(strtol(tokens[1].c_str(), &rest, 10)); |
| if (*rest != '\0') { |
| LOG(WARNING) << "missing meminfo value"; |
| return false; |
| } |
| ifield++; |
| } |
| } |
| if (ifield < fields->size()) { |
| // End of input reached while scanning. |
| LOG(WARNING) << "cannot find field " << (*fields)[ifield].match |
| << " and following"; |
| return false; |
| } |
| return true; |
| } |
| |
| void MetricsDaemon::ScheduleMemuseCallback(double interval) { |
| if (testing_) { |
| return; |
| } |
| base::ThreadTaskRunnerHandle::Get()->PostDelayedTask( |
| FROM_HERE, |
| base::Bind(&MetricsDaemon::MemuseCallback, GET_THIS_FOR_POSTTASK()), |
| base::TimeDelta::FromSeconds(interval)); |
| } |
| |
| void MetricsDaemon::MemuseCallback() { |
| // Since we only care about active time (i.e. uptime minus sleep time) but |
| // the callbacks are driven by real time (uptime), we check if we should |
| // reschedule this callback due to intervening sleep periods. |
| double now = GetActiveTime(); |
| // Avoid intervals of less than one second. |
| double remaining_time = ceil(memuse_final_time_ - now); |
| if (remaining_time > 0) { |
| ScheduleMemuseCallback(remaining_time); |
| } else { |
| // Report stats and advance the measurement interval unless there are |
| // errors or we've completed the last interval. |
| if (MemuseCallbackWork() && |
| memuse_interval_index_ < base::size(kMemuseIntervals)) { |
| double interval = kMemuseIntervals[memuse_interval_index_++]; |
| memuse_final_time_ = now + interval; |
| ScheduleMemuseCallback(interval); |
| } |
| } |
| } |
| |
| bool MetricsDaemon::MemuseCallbackWork() { |
| string meminfo_raw; |
| const FilePath meminfo_path("/proc/meminfo"); |
| if (!base::ReadFileToString(meminfo_path, &meminfo_raw)) { |
| LOG(WARNING) << "cannot read " << meminfo_path.value().c_str(); |
| return false; |
| } |
| return ProcessMemuse(meminfo_raw); |
| } |
| |
| bool MetricsDaemon::ProcessMemuse(const string& meminfo_raw) { |
| static const MeminfoRecord fields_array[] = { |
| {"MemTotal", "MemTotal"}, // SPECIAL CASE: total system memory |
| {"ActiveAnon", "Active(anon)"}, |
| {"InactiveAnon", "Inactive(anon)"}, |
| }; |
| vector<MeminfoRecord> fields(fields_array, |
| fields_array + base::size(fields_array)); |
| if (!FillMeminfo(meminfo_raw, &fields)) { |
| return false; |
| } |
| int total = fields[0].value; |
| int active_anon = fields[1].value; |
| int inactive_anon = fields[2].value; |
| if (total == 0) { |
| // this "cannot happen" |
| LOG(WARNING) << "borked meminfo parser"; |
| return false; |
| } |
| string metrics_name = |
| base::StringPrintf("Platform.MemuseAnon%d", memuse_interval_index_); |
| SendLinearSample(metrics_name, (active_anon + inactive_anon) * 100 / total, |
| 100, 101); |
| return true; |
| } |
| |
| void MetricsDaemon::SendSample( |
| const string& name, int sample, int min, int max, int nbuckets) { |
| metrics_lib_->SendToUMA(name, sample, min, max, nbuckets); |
| } |
| |
| void MetricsDaemon::SendKernelCrashesCumulativeCountStats() { |
| // Report the number of crashes for this OS version, but don't clear the |
| // counter. It is cleared elsewhere on version change. |
| int64_t crashes_count = kernel_crashes_version_count_->Get(); |
| SendSample(kKernelCrashesSinceUpdateName, crashes_count, |
| 1, // value of first bucket |
| 500, // value of last bucket |
| 100); // number of buckets |
| |
| int64_t cpu_use_ms = version_cumulative_cpu_use_->Get(); |
| SendSample(kCumulativeCpuTimeName, |
| cpu_use_ms / 1000, // stat is in seconds |
| 1, // device may be used very little... |
| 8 * 1000 * 1000, // ... or a lot (a little over 90 days) |
| 100); |
| |
| // On the first run after an autoupdate, cpu_use_ms and active_use_seconds |
| // can be zero. Avoid division by zero. |
| if (cpu_use_ms > 0) { |
| // Send the crash frequency since update in number of crashes per CPU year. |
| SendSample("Platform.KernelCrashesPerCpuYear", |
| crashes_count * kSecondsPerDay * 365 * 1000 / cpu_use_ms, 1, |
| 1000 * 1000, // about one crash every 30s of CPU time |
| 100); |
| } |
| |
| int64_t active_use_seconds = version_cumulative_active_use_->Get(); |
| if (active_use_seconds > 0) { |
| SendSample(kCumulativeUseTimeName, active_use_seconds, |
| 1, // device may be used very little... |
| 8 * 1000 * 1000, // ... or a lot (about 90 days) |
| 100); |
| // Same as above, but per year of active time. |
| SendSample("Platform.KernelCrashesPerActiveYear", |
| crashes_count * kSecondsPerDay * 365 / active_use_seconds, 1, |
| 1000 * 1000, // about one crash every 30s of active time |
| 100); |
| } |
| } |
| |
| void MetricsDaemon::SendAndResetDailyUseSample() { |
| // Since metrics_daemon only updates statistics every kUpdateStatsIntervalMs, |
| // we will often report devices that are active for exactly 24 hours as being |
| // active for slightly more than 24 hours. Round down in such cases to exactly |
| // 24 hours, since we cannot be active for more than 24 hours in a day. Do |
| // *not* round down times more than that, because they could be due to |
| // unrelated bugs that we don't want to mask. |
| int64_t dau_seconds = daily_active_use_->GetAndClear(); |
| if (dau_seconds > kSecondsPerDay && |
| dau_seconds <= |
| kSecondsPerDay + (kUpdateStatsIntervalMs / kMillisPerSecond)) { |
| // Shift the extra over to the current day. |
| daily_active_use_->Add(dau_seconds - kSecondsPerDay); |
| |
| // Then record only the maximum daily amount today. |
| dau_seconds = kSecondsPerDay; |
| } |
| SendSample(kDailyUseTimeName, dau_seconds, |
| 1, // value of first bucket |
| kSecondsPerDay, // value of last bucket |
| 50); // number of buckets |
| } |
| |
| void MetricsDaemon::SendAndResetCrashIntervalSample( |
| const std::unique_ptr<PersistentInteger>& interval, |
| const std::string& name) { |
| SendSample(name, interval->GetAndClear(), |
| 1, // value of first bucket |
| 4 * kSecondsPerWeek, // value of last bucket |
| 50); // number of buckets |
| } |
| |
| void MetricsDaemon::SendAndResetCrashFrequencySample( |
| const std::unique_ptr<PersistentInteger>& frequency, |
| const std::string& name) { |
| SendSample(name, frequency->GetAndClear(), |
| 1, // value of first bucket |
| 100, // value of last bucket |
| 50); // number of buckets |
| } |
| |
| void MetricsDaemon::SendAndResetDailyVmstats() { |
| struct VmstatRecord vmstats_now; |
| bool vmstats_success = VmStatsReadStats(&vmstats_now); |
| if (vmstats_success && vmstats_daily_success) { |
| uint64_t delta_swap_in = |
| vmstats_now.swap_in_ - vmstats_daily_start.swap_in_; |
| uint64_t delta_swap_out = |
| vmstats_now.swap_out_ - vmstats_daily_start.swap_out_; |
| SendSample(kMetricSwapInDailyName, delta_swap_in, 1, kMetricDailySwapMax, |
| kMetricDailySwapBuckets); |
| SendSample(kMetricSwapOutDailyName, delta_swap_out, 1, kMetricDailySwapMax, |
| kMetricDailySwapBuckets); |
| } |
| vmstats_daily_start = vmstats_now; |
| vmstats_daily_success = vmstats_success; |
| } |
| |
| void MetricsDaemon::SendLinearSample(const string& name, |
| int sample, |
| int max, |
| int nbuckets) { |
| // TODO(semenzato): add a proper linear histogram to the Chrome external |
| // metrics API. |
| LOG_IF(FATAL, nbuckets != max + 1) << "unsupported histogram scale"; |
| metrics_lib_->SendEnumToUMA(name, sample, max); |
| } |
| |
| void MetricsDaemon::SendCroutonStats() { |
| // Report the presence of kCroutonStartedFile. We only report each state |
| // exactly once per boot. "0" state reported on init. |
| if (PathExists(FilePath(kCroutonStartedFile))) { |
| SendLinearSample(kMetricCroutonStarted, 1, 2, 3); |
| } else { |
| base::ThreadTaskRunnerHandle::Get()->PostDelayedTask( |
| FROM_HERE, |
| base::Bind(&MetricsDaemon::SendCroutonStats, GET_THIS_FOR_POSTTASK()), |
| base::TimeDelta::FromMilliseconds(kUpdateStatsIntervalMs)); |
| } |
| } |
| |
| void MetricsDaemon::UpdateStats(TimeTicks now_ticks, Time now_wall_time) { |
| const int elapsed_seconds = (now_ticks - last_update_stats_time_).InSeconds(); |
| daily_active_use_->Add(elapsed_seconds); |
| version_cumulative_active_use_->Add(elapsed_seconds); |
| user_crash_interval_->Add(elapsed_seconds); |
| kernel_crash_interval_->Add(elapsed_seconds); |
| version_cumulative_cpu_use_->Add(GetIncrementalCpuUse().InMilliseconds()); |
| last_update_stats_time_ = now_ticks; |
| |
| const TimeDelta since_epoch = now_wall_time - Time::UnixEpoch(); |
| const int day = since_epoch.InDays(); |
| const int week = day / 7; |
| |
| if (daily_cycle_->Get() != day) { |
| daily_cycle_->Set(day); |
| SendAndResetDailyUseSample(); |
| SendAndResetCrashFrequencySample(any_crashes_daily_count_, |
| kAnyCrashesDailyName); |
| SendAndResetCrashFrequencySample(user_crashes_daily_count_, |
| kUserCrashesDailyName); |
| SendAndResetCrashFrequencySample(kernel_crashes_daily_count_, |
| kKernelCrashesDailyName); |
| SendAndResetCrashFrequencySample(unclean_shutdowns_daily_count_, |
| kUncleanShutdownsDailyName); |
| SendKernelCrashesCumulativeCountStats(); |
| SendAndResetDailyVmstats(); |
| } |
| |
| if (weekly_cycle_->Get() != week) { |
| weekly_cycle_->Set(week); |
| SendAndResetCrashFrequencySample(any_crashes_weekly_count_, |
| kAnyCrashesWeeklyName); |
| SendAndResetCrashFrequencySample(user_crashes_weekly_count_, |
| kUserCrashesWeeklyName); |
| SendAndResetCrashFrequencySample(kernel_crashes_weekly_count_, |
| kKernelCrashesWeeklyName); |
| SendAndResetCrashFrequencySample(unclean_shutdowns_weekly_count_, |
| kUncleanShutdownsWeeklyName); |
| } |
| } |
| |
| void MetricsDaemon::HandleUpdateStatsTimeout() { |
| UpdateStats(TimeTicks::Now(), Time::Now()); |
| base::ThreadTaskRunnerHandle::Get()->PostDelayedTask( |
| FROM_HERE, |
| base::Bind(&MetricsDaemon::HandleUpdateStatsTimeout, |
| GET_THIS_FOR_POSTTASK()), |
| base::TimeDelta::FromMilliseconds(kUpdateStatsIntervalMs)); |
| } |
| |
| } // namespace chromeos_metrics |