Lines Matching refs:Histogram
5 #include "base/metrics/histogram.h"
31 // for histogram allocation. False will allocate histograms from the process
43 // Each test will have a clean state (no Histogram / BucketRanges
67 // By getting the results-histogram before any persistent allocator
68 // is attached, that histogram is guaranteed not to be stored in
99 HistogramBase* histogram = Histogram::FactoryGet(
101 EXPECT_TRUE(histogram);
142 HistogramBase* histogram = LinearHistogram::FactoryGet(
145 std::unique_ptr<HistogramSamples> samples = histogram->SnapshotSamples();
152 HistogramBase* histogram =
153 Histogram::FactoryGet("DeltaHistogram", 1, 64, 8,
155 histogram->Add(1);
156 histogram->Add(10);
157 histogram->Add(50);
159 std::unique_ptr<HistogramSamples> samples = histogram->SnapshotDelta();
166 samples = histogram->SnapshotDelta();
169 histogram->Add(10);
170 histogram->Add(10);
171 samples = histogram->SnapshotDelta();
175 samples = histogram->SnapshotDelta();
181 HistogramBase* histogram =
182 Histogram::FactoryGet("FinalDeltaHistogram", 1, 64, 8,
184 histogram->Add(1);
185 histogram->Add(10);
186 histogram->Add(50);
188 std::unique_ptr<HistogramSamples> samples = histogram->SnapshotDelta();
195 histogram->Add(2);
196 histogram->Add(50);
198 samples = histogram->SnapshotFinalDelta();
208 Histogram::InitializeBucketRanges(1, 64, &ranges);
217 // Check the corresponding Histogram will use the correct ranges.
218 Histogram* histogram = static_cast<Histogram*>(
219 Histogram::FactoryGet("Histogram", 1, 64, 8, HistogramBase::kNoFlags));
220 EXPECT_TRUE(ranges.Equals(histogram->bucket_ranges()));
225 Histogram::InitializeBucketRanges(1, 32, &ranges2);
244 // Check the corresponding Histogram will use the correct ranges.
245 Histogram* histogram2 = static_cast<Histogram*>(
246 Histogram::FactoryGet("Histogram2", 1, 32, 15, HistogramBase::kNoFlags));
259 Histogram* histogram = static_cast<Histogram*>(
261 EXPECT_TRUE(ranges.Equals(histogram->bucket_ranges()));
273 Histogram* histogram2 = static_cast<Histogram*>(
297 Histogram* histogram = static_cast<Histogram*>(
300 const BucketRanges* ranges = histogram->bucket_ranges();
311 histogram = static_cast<Histogram*>(
314 ranges = histogram->bucket_ranges();
326 histogram = static_cast<Histogram*>(
329 ranges = histogram->bucket_ranges();
339 // while the base class Histogram is *supposed* to have at least 3 buckets.
346 Histogram* histogram = static_cast<Histogram*>(
349 const BucketRanges* ranges = histogram->bucket_ranges();
358 Histogram* histogram = static_cast<Histogram*>(
359 Histogram::FactoryGet("AddCountHistogram", 10, 100, kBucketCount,
362 histogram->AddCount(20, 15);
363 histogram->AddCount(30, 14);
365 std::unique_ptr<HistogramSamples> samples = histogram->SnapshotSamples();
370 histogram->AddCount(20, 25);
371 histogram->AddCount(30, 24);
373 std::unique_ptr<HistogramSamples> samples2 = histogram->SnapshotSamples();
381 Histogram* histogram = static_cast<Histogram*>(
382 Histogram::FactoryGet("AddCountHistogram", 10, 1000000000, kBucketCount,
385 histogram->AddCount(200000000, 15);
386 histogram->AddCount(300000000, 14);
388 std::unique_ptr<HistogramSamples> samples = histogram->SnapshotSamples();
393 histogram->AddCount(200000000, 25);
394 histogram->AddCount(300000000, 24);
396 std::unique_ptr<HistogramSamples> samples2 = histogram->SnapshotSamples();
403 // Make sure histogram handles out-of-bounds data gracefully.
406 Histogram* histogram = static_cast<Histogram*>(
407 Histogram::FactoryGet("Bounded", 10, 100, kBucketCount,
411 histogram->Add(5);
412 histogram->Add(-50);
414 histogram->Add(100);
415 histogram->Add(10000);
418 std::unique_ptr<SampleVector> samples = histogram->SnapshotSampleVector();
421 size_t array_size = histogram->bucket_count();
430 Histogram* test_custom_histogram = static_cast<Histogram*>(
453 Histogram* histogram = static_cast<Histogram*>(
454 HistogramHistogram", 1, 64, 8, HistogramBase::kNoFlags));
457 histogram->Add(0);
461 histogram->Add(power_of_2);
466 std::unique_ptr<SampleVector> samples = histogram->SnapshotSampleVector();
479 Histogram* histogram = static_cast<Histogram*>(
480 Histogram::FactoryGet("Histogram", 1, 64, 8, HistogramBase::kNoFlags));
483 histogram->Add(20);
484 histogram->Add(40);
486 std::unique_ptr<SampleVector> snapshot = histogram->SnapshotSampleVector();
488 histogram->FindCorruption(*snapshot));
494 histogram->FindCorruption(*snapshot));
497 histogram->FindCorruption(*snapshot));
502 histogram->FindCorruption(*snapshot));
506 Histogram* histogram = static_cast<Histogram*>(
507 Histogram::FactoryGet("Histogram", 1, 64, 8, HistogramBase::kNoFlags));
509 std::unique_ptr<HistogramSamples> snapshot = histogram->SnapshotSamples();
511 histogram->FindCorruption(*snapshot));
514 const_cast<BucketRanges*>(histogram->bucket_ranges());
520 histogram->FindCorruption(*snapshot));
524 EXPECT_EQ(0U, histogram->FindCorruption(*snapshot));
529 histogram->FindCorruption(*snapshot));
533 histogram->FindCorruption(*snapshot));
535 // Repair histogram so that destructor won't DCHECK().
541 Histogram* histogram = static_cast<Histogram*>(
542 Histogram::FactoryGet("Histogram", 1, 64, 8,
545 histogram->SerializeInfo(&pickle);
551 EXPECT_EQ(HISTOGRAM, type);
555 EXPECT_EQ("Histogram", name);
576 EXPECT_EQ(histogram->bucket_ranges()->checksum(), checksum);
617 HistogramBase* histogram = Histogram::FactoryGet(
619 EXPECT_TRUE(histogram->HasConstructionArguments(1, 100, 8));
621 // Try to get the same histogram name with different arguments.
622 HistogramBase* bad_histogram = Histogram::FactoryGet(
625 bad_histogram = Histogram::FactoryGet(
633 // Try to get the same histogram name with different arguments.
647 // Create all histogram names in advance for accurate timing below.
657 Histogram::FactoryGet(histogram_names[i], 1, 100, 10,
663 VLOG(1) << kTestCreateCount << " histogram creations took " << create_ms
673 // underlying storage use the exact histogram name as the key.
677 Histogram::FactoryGet(histogram_names[index], 1, 100, 10,
683 VLOG(1) << kTestLookupCount << " histogram lookups took " << lookup_ms
689 HistogramBase* histogram = Histogram::FactoryGet(
691 ASSERT_TRUE(histogram);
694 histogram->Add(i & 127);
698 VLOG(1) << kTestAddCount << " histogram adds took " << add_ms
705 // For Histogram, LinearHistogram and CustomHistogram, the minimum for a
710 HistogramBase* histogram = Histogram::FactoryGet(
714 histogram->HasConstructionArguments(
727 Histogram* custom_histogram = static_cast<Histogram*>(
