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Unified Diff: base/metrics/histogram.cc

Issue 1726873002: Report histogram creation results. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: rebased Created 4 years, 9 months ago
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Index: base/metrics/histogram.cc
diff --git a/base/metrics/histogram.cc b/base/metrics/histogram.cc
index e8d851bf9de3ae3c2831a72d976ec9bd32b6beb5..cd6d6bea0875ee7f399700759bbf89374bf2e4f3 100644
--- a/base/metrics/histogram.cc
+++ b/base/metrics/histogram.cc
@@ -216,9 +216,15 @@ HistogramBase* Histogram::Factory::Build() {
allocator->FinalizeHistogram(histogram_ref,
histogram == tentative_histogram_ptr);
}
+
+ // Update report on created histograms.
+ ReportHistogramActivity(*histogram, HISTOGRAM_CREATED);
+ } else {
+ // Update report on lookup histograms.
+ ReportHistogramActivity(*histogram, HISTOGRAM_LOOKUP);
}
- DCHECK_EQ(histogram_type_, histogram->GetHistogramType());
+ DCHECK_EQ(histogram_type_, histogram->GetHistogramType()) << name_;
if (bucket_count_ != 0 &&
!histogram->HasConstructionArguments(minimum_, maximum_, bucket_count_)) {
// The construction arguments do not match the existing histogram. This can
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