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Diffstat (limited to 'base/metrics/nacl_histogram.cc')
| -rw-r--r-- | base/metrics/nacl_histogram.cc | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/base/metrics/nacl_histogram.cc b/base/metrics/nacl_histogram.cc new file mode 100644 index 0000000..c89e646 --- /dev/null +++ b/base/metrics/nacl_histogram.cc @@ -0,0 +1,23 @@ +// Copyright (c) 2010 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// nacl_histogram provides an enum and defines a macro that uses definitions +// from histogram.h. Note that a histogram is an object that aggregates +// statistics, and can summarize them in various forms, including ASCII +// graphical, HTML, and numerically. +// nacl_histogram information is used to compare how many times a native +// client module has been loaded, compared to the number of chrome starts +// and number of new tabs created. + + +#include "base/metrics/histogram.h" +#include "base/metrics/nacl_histogram.h" + +// To log histogram data about NaCl.Startups, call this function with +// a NaClHistogramValue passed in as |hvalue| +void UmaNaclHistogramEnumeration(NaClHistogramValue histogram_value) { + UMA_HISTOGRAM_ENUMERATION("NaCl.Startups", histogram_value, + NACL_MAX_HISTOGRAM); +} + |