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/system/extras/boottime_tools/bootio/
Dbootio.cpp68 int samples = 0; in StartDataCollection() local
80 samples = atoi(components.at(LOG_SAMPLES_INDEX).c_str()); in StartDataCollection()
86 if (timeout <= 0 || samples <= 0) { in StartDataCollection()
91 if (samples > timeout || samples > LOG_MAX_SAMPLES || timeout > LOG_MAX_TIMEOUT) { in StartDataCollection()
93 " samples=" << samples << " Max timeout=" << LOG_MAX_TIMEOUT << in StartDataCollection()
97 LOG(INFO) << "Boot I/O: collecting data. samples=" << samples << "timeout=" << timeout; in StartDataCollection()
99 timeout, samples); in StartDataCollection()
105 collector->StartDataCollection(timeout, samples); in StartDataCollection()
Dbootio_collector.h27 void StartDataCollection(int timeout, int samples);
Dbootio_collector.cpp256 newerSample = &(appData.samples(j)); in PrintPids()
328 void BootioCollector::StartDataCollection(int timeout, int samples) { in StartDataCollection() argument
330 int remaining = samples + 1; in StartDataCollection()
331 int delayS = timeout / samples; in StartDataCollection()
DREADME.md17 seconds and $SAMPLES corresponds to the desired number of samples.
Dprotos.proto40 repeated AppSample samples = 4; field
/system/media/audio_utils/
Dpower.cpp242 float audio_utils_compute_energy_mono(const void *buffer, audio_format_t format, size_t samples) in audio_utils_compute_energy_mono() argument
246 return energyMono<AUDIO_FORMAT_PCM_8_BIT>(buffer, samples); in audio_utils_compute_energy_mono()
249 return energyMono<AUDIO_FORMAT_PCM_16_BIT>(buffer, samples); in audio_utils_compute_energy_mono()
252 return energyMono<AUDIO_FORMAT_PCM_24_BIT_PACKED>(buffer, samples); in audio_utils_compute_energy_mono()
255 return energyMono<AUDIO_FORMAT_PCM_8_24_BIT>(buffer, samples); in audio_utils_compute_energy_mono()
258 return energyMono<AUDIO_FORMAT_PCM_32_BIT>(buffer, samples); in audio_utils_compute_energy_mono()
261 return energyMono<AUDIO_FORMAT_PCM_FLOAT>(buffer, samples); in audio_utils_compute_energy_mono()
268 float audio_utils_compute_power_mono(const void *buffer, audio_format_t format, size_t samples) in audio_utils_compute_power_mono() argument
271 audio_utils_compute_energy_mono(buffer, format, samples) / samples); in audio_utils_compute_power_mono()
Dprimitives.c340 size_t nonZeroMono32(const int32_t *samples, size_t count) in nonZeroMono32() argument
344 nonZero += *samples++ != 0; in nonZeroMono32()
349 size_t nonZeroMono16(const int16_t *samples, size_t count) in nonZeroMono16() argument
353 nonZero += *samples++ != 0; in nonZeroMono16()
/system/media/audio_utils/include/audio_utils/
Dpower.h45 float audio_utils_compute_power_mono(const void *buffer, audio_format_t format, size_t samples);
63 float audio_utils_compute_energy_mono(const void *buffer, audio_format_t format, size_t samples);
Dprimitives.h489 size_t nonZeroMono32(const int32_t *samples, size_t count);
494 size_t nonZeroMono16(const int16_t *samples, size_t count);
/system/extras/perfprofd/scripts/
Dperf_proto_stack.py381 def print_samples(samples, tid_name_map): argument
382 for sample in samples:
388 samples = []
410 samples.append((0, sample_ev.tid, [("[kernel]", 0, "[kernel]")]))
412 samples.append((sample_ev.pid, sample_ev.tid, [(tid_name_map[sample_ev.pid], 0,
415 samples.append((sample_ev.pid, sample_ev.tid, [("[unknown]", 0, None)]))
417 samples.append(new_sample)
420 return samples
431 def print_histogram(samples, reduce_key_fn, label_key_fn, size): argument
434 reduce(lambda x, y: count_key_reduce_function(x, y, reduce_key_fn), samples, {}).
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/system/netd/resolv/
Dres_stats.cpp66 switch (stats->samples[i].rcode) { in android_net_res_stats_aggregate()
71 rtt_sum += stats->samples[i].rtt; in android_net_res_stats_aggregate()
101 last = stats->samples[stats->sample_next - 1].at; in android_net_res_stats_aggregate()
103 last = stats->samples[stats->sample_count - 1].at; in android_net_res_stats_aggregate()
/system/extras/simpleperf/
Dreport_sample.proto43 // By using '-e' option, we can ask simpleperf to record samples for one or more
45 // Each event type generates samples independently. But recording more event types
46 // will cost more cpu time generating samples, which may affect the monitored threads
50 // same thread. However, if there are lost samples between current sample and previous
Dsample_tree_test.cpp109 static void CheckSamples(const std::vector<SampleEntry*>& samples, in CheckSamples() argument
111 ASSERT_EQ(samples.size(), expected_samples.size()); in CheckSamples()
112 for (size_t i = 0; i < samples.size(); ++i) { in CheckSamples()
114 SampleMatchExpectation(*samples[i], expected_samples[i], &has_error); in CheckSamples()
Dsample_tree.h344 void DisplaySamples(FILE* fp, const std::vector<EntryT*>& samples, in DisplaySamples() argument
347 for (const auto& sample : samples) { in DisplaySamples()
351 for (const auto& sample : samples) { in DisplaySamples()
Dcmd_kmem.cpp93 std::vector<SlabSample*> samples; member
127 sample_tree.samples = GetSamples(); in GetSampleTree()
602 slab_sample_tree_sorter_->Sort(slab_sample_tree_.samples, print_callgraph_); in ReadSampleTreeFromRecordFile()
669 report_fp, slab_sample_tree_.samples, &slab_sample_tree_); in PrintReport()
DAndroid.bp426 // It's linked to user's program, to get profile counters and samples for specific code ranges.
450 // It's the shared library used on host by python scripts to report samples in different ways.
504 // It's the shared library linked with user's app and get samples from signal handlers in each
/system/extras/perfprofd/
Dperf_profile.proto55 // All samples for a load_module.
71 // All samples for a program.
83 // A compressed representation of a perf profile, which contains samples from
95 // Total number of samples in this profile.
/system/extras/perfprofd/tests/
Dperfprofd_test.cc924 SampleEventIterator samples(perf_data); in VerifyBasicCannedProfile() local
940 EXPECT_STREQ(str, FormatSampleEvent(samples->sample_event()).c_str()); in VerifyBasicCannedProfile()
941 ++samples; in VerifyBasicCannedProfile()
946 ++samples; in VerifyBasicCannedProfile()
960 EXPECT_STREQ(str, FormatSampleEvent(samples->sample_event()).c_str()); in VerifyBasicCannedProfile()
961 ++samples; in VerifyBasicCannedProfile()
966 ++samples; in VerifyBasicCannedProfile()
980 EXPECT_STREQ(str, FormatSampleEvent(samples->sample_event()).c_str()); in VerifyBasicCannedProfile()
981 ++samples; in VerifyBasicCannedProfile()
1226 SampleEventIterator samples(perf_data); in TEST_F() local
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/system/netd/resolv/include/netd_resolv/
Dstats.h39 res_sample samples[MAXNSSAMPLES]; member
/system/extras/tests/workloads/
Dpwrtest.sh127 ((samples=5*60*collectmin))
128 monsoon.par --timestamp --samples $samples --hz 5
/system/extras/power_profile/gps_on/Application/
Dbuild.gradle26 'common', // components that are reused by multiple samples
/system/extras/power_profile/camera_flashlight/Application/
Dbuild.gradle29 'common', // components that are reused by multiple samples
/system/extras/power_profile/camera_avg/Application/
Dbuild.gradle29 'common', // components that are reused by multiple samples
/system/extras/simpleperf/doc/
DREADME.md46 - [Filter samples](#filter-samples)
47 - [Group samples into sample entries](#group-samples-into-sample-entries)
75 report on the host", simpleperf not only collects samples in profiling data, but also collects
274 Normally we need to use the app when profiling, otherwise we may record no samples. But in this
467 The record command records samples of the profiled processes in a time period. Here’s how it works:
472 5. Simpleperf reads samples from the mapped buffers and stores profiling data in a file called
686 The record command is used to dump samples of the profiled processes. Each sample can contain
691 what frequency to dump samples, how long to monitor, and where to store samples.
695 # frequency (4000 samples per second), writing records to perf.data.
751 To avoid taking too much time generating samples, kernel >= 3.10 sets the max percent of cpu time
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Dinferno.md16 the number of samples and the height is related to the number of functions on
90 #### High percentage of lost samples

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