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Merge "metricsd: Remove dead code." am: 695da48944

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am: a3e097c9ca

* commit 'a3e097c9ca4800a7c9460a77be98007d9b389221':
  metricsd: Remove dead code.
This commit is contained in:
Bertrand Simonnet 2015-11-16 21:25:31 +00:00 • committed by android-build-merger
commit 078ea36c4f
4 changed files with 0 additions and 123 deletions
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66
metricsd/metrics_daemon.cc
View file

@ -74,11 +74,6 @@ const int kMetricMeminfoInterval = 30; // seconds
const char kMeminfoFileName[] = "/proc/meminfo";
const char kVmStatFileName[] = "/proc/vmstat";
// Thermal CPU throttling.
const char kMetricScaledCpuFrequencyName[] =
"Platform.CpuFrequencyThermalScaling";
} // namespace
// Zram sysfs entries.
@ -169,8 +164,6 @@ void MetricsDaemon::Init(bool testing,
bool dbus_enabled,
MetricsLibraryInterface* metrics_lib,
const string& diskstats_path,
const string& scaling_max_freq_path,
const string& cpuinfo_max_freq_path,
const base::TimeDelta& upload_interval,
const string& server,
const base::FilePath& metrics_directory) {
@ -221,8 +214,6 @@ void MetricsDaemon::Init(bool testing,
weekly_cycle_.reset(new PersistentInteger("weekly.cycle"));
version_cycle_.reset(new PersistentInteger("version.cycle"));
scaling_max_freq_path_ = scaling_max_freq_path;
cpuinfo_max_freq_path_ = cpuinfo_max_freq_path;
disk_usage_collector_.reset(new DiskUsageCollector(metrics_lib_));
averaged_stats_collector_.reset(
new AveragedStatisticsCollector(metrics_lib_, diskstats_path,
@ -461,63 +452,6 @@ void MetricsDaemon::StatsReporterInit() {
averaged_stats_collector_->ScheduleWait();
}
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);
}
void MetricsDaemon::ScheduleMeminfoCallback(int wait) {
if (testing_) {
return;

13
metricsd/metrics_daemon.h
View file

@ -51,8 +51,6 @@ class MetricsDaemon : public brillo::DBusDaemon {
bool dbus_enabled,
MetricsLibraryInterface* metrics_lib,
const std::string& diskstats_path,
const std::string& cpuinfo_max_freq_path,
const std::string& scaling_max_freq_path,
const base::TimeDelta& upload_interval,
const std::string& server,
const base::FilePath& metrics_directory);
@ -92,12 +90,10 @@ class MetricsDaemon : public brillo::DBusDaemon {
FRIEND_TEST(MetricsDaemonTest, ProcessUncleanShutdown);
FRIEND_TEST(MetricsDaemonTest, ProcessUserCrash);
FRIEND_TEST(MetricsDaemonTest, ReportCrashesDailyFrequency);
FRIEND_TEST(MetricsDaemonTest, ReadFreqToInt);
FRIEND_TEST(MetricsDaemonTest, ReportKernelCrashInterval);
FRIEND_TEST(MetricsDaemonTest, ReportUncleanShutdownInterval);
FRIEND_TEST(MetricsDaemonTest, ReportUserCrashInterval);
FRIEND_TEST(MetricsDaemonTest, SendSample);
FRIEND_TEST(MetricsDaemonTest, SendCpuThrottleMetrics);
FRIEND_TEST(MetricsDaemonTest, SendZramMetrics);
// Type of scale to use for meminfo histograms. For most of them we use
@ -215,12 +211,6 @@ class MetricsDaemon : public brillo::DBusDaemon {
// Parses meminfo data and sends it to UMA.
bool ProcessMemuse(const std::string& meminfo_raw);
// Sends stats for thermal CPU throttling.
void SendCpuThrottleMetrics();
// Reads an integer CPU frequency value from sysfs.
bool ReadFreqToInt(const std::string& sysfs_file_name, int* value);
// Reads the current OS version from /etc/lsb-release and hashes it
// to a unsigned 32-bit int.
uint32_t GetOsVersionHash();
@ -301,9 +291,6 @@ class MetricsDaemon : public brillo::DBusDaemon {
scoped_ptr<DiskUsageCollector> disk_usage_collector_;
scoped_ptr<AveragedStatisticsCollector> averaged_stats_collector_;
std::string scaling_max_freq_path_;
std::string cpuinfo_max_freq_path_;
base::TimeDelta upload_interval_;
std::string server_;

6
metricsd/metrics_daemon_main.cc
View file

@ -25,10 +25,6 @@
#include "constants.h"
#include "metrics_daemon.h"
const char kScalingMaxFreqPath[] =
"/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq";
const char kCpuinfoMaxFreqPath[] =
"/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq";
// Returns the path to the disk stats in the sysfs. Returns the null string if
// it cannot find the disk stats file.
@ -112,8 +108,6 @@ int main(int argc, char** argv) {
FLAGS_withdbus,
&metrics_lib,
MetricsMainDiskStatsPath(),
kScalingMaxFreqPath,
kCpuinfoMaxFreqPath,
base::TimeDelta::FromSeconds(FLAGS_upload_interval_secs),
FLAGS_server,
base::FilePath(FLAGS_metrics_directory));

38
metricsd/metrics_daemon_test.cc
View file

@ -45,11 +45,6 @@ class MetricsDaemonTest : public testing::Test {
virtual void SetUp() {
brillo::FlagHelper::Init(0, nullptr, "");
EXPECT_TRUE(temp_dir_.CreateUniqueTempDir());
scaling_max_freq_path_ = temp_dir_.path().Append("scaling_max");
cpu_max_freq_path_ = temp_dir_.path().Append("cpu_freq_max");
CreateUint64ValueFile(cpu_max_freq_path_, 10000000);
CreateUint64ValueFile(scaling_max_freq_path_, 10000000);
chromeos_metrics::PersistentInteger::SetMetricsDirectory(
temp_dir_.path().value());
@ -58,8 +53,6 @@ class MetricsDaemonTest : public testing::Test {
true,
&metrics_lib_,
"",
scaling_max_freq_path_.value(),
cpu_max_freq_path_.value(),
base::TimeDelta::FromMinutes(30),
metrics::kMetricsServer,
temp_dir_.path());
@ -120,10 +113,6 @@ class MetricsDaemonTest : public testing::Test {
// Temporary directory used for tests.
base::ScopedTempDir temp_dir_;
// Path for the fake files.
base::FilePath scaling_max_freq_path_;
base::FilePath cpu_max_freq_path_;
// Mocks. They are strict mock so that all unexpected
// calls are marked as failures.
StrictMock<MetricsLibraryMock> metrics_lib_;
@ -209,33 +198,6 @@ TEST_F(MetricsDaemonTest, ProcessMeminfo2) {
EXPECT_FALSE(daemon_.ProcessMeminfo(meminfo));
}
TEST_F(MetricsDaemonTest, ReadFreqToInt) {
const int fake_scaled_freq = 1666999;
const int fake_max_freq = 2000000;
int scaled_freq = 0;
int max_freq = 0;
CreateUint64ValueFile(scaling_max_freq_path_, fake_scaled_freq);
CreateUint64ValueFile(cpu_max_freq_path_, fake_max_freq);
EXPECT_TRUE(daemon_.testing_);
EXPECT_TRUE(daemon_.ReadFreqToInt(scaling_max_freq_path_.value(),
&scaled_freq));
EXPECT_TRUE(daemon_.ReadFreqToInt(cpu_max_freq_path_.value(), &max_freq));
EXPECT_EQ(fake_scaled_freq, scaled_freq);
EXPECT_EQ(fake_max_freq, max_freq);
}
TEST_F(MetricsDaemonTest, SendCpuThrottleMetrics) {
CreateUint64ValueFile(cpu_max_freq_path_, 2001000);
// Test the 101% and 100% cases.
CreateUint64ValueFile(scaling_max_freq_path_, 2001000);
EXPECT_TRUE(daemon_.testing_);
EXPECT_CALL(metrics_lib_, SendEnumToUMA(_, 101, 101));
daemon_.SendCpuThrottleMetrics();
CreateUint64ValueFile(scaling_max_freq_path_, 2000000);
EXPECT_CALL(metrics_lib_, SendEnumToUMA(_, 100, 101));
daemon_.SendCpuThrottleMetrics();
}
TEST_F(MetricsDaemonTest, SendZramMetrics) {
EXPECT_TRUE(daemon_.testing_);