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| author | rvargas@google.com <rvargas@google.com@0039d316-1c4b-4281-b951-d872f2087c98> | 2008-09-24 23:51:25 +0000 |
|---|---|---|
| committer | rvargas@google.com <rvargas@google.com@0039d316-1c4b-4281-b951-d872f2087c98> | 2008-09-24 23:51:25 +0000 |
| commit | e2951cf3bd7e591a64ad5199a61531dac0ec58d2 (patch) | |
| tree | 3039f816f6fa46008865c1ce4b1dd15de7b48d5a /net/disk_cache/backend_impl.cc | |
| parent | 0e8db94aef1b57355c3d154cb4682ce2f94c51eb (diff) | |
| download | chromium_src-e2951cf3bd7e591a64ad5199a61531dac0ec58d2.zip chromium_src-e2951cf3bd7e591a64ad5199a61531dac0ec58d2.tar.gz chromium_src-e2951cf3bd7e591a64ad5199a61531dac0ec58d2.tar.bz2 | |
Use histograms to send interesting parts of the disk cache statistics.
Most of this CL deals with a derived implementation of histograms that just
queries the size stats already generated by the disk cache. The exact number
of buckets, and their distribution, is controlled directly by the new class and
the disk cache stats code.
Review URL: http://codereview.chromium.org/3069
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@2580 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'net/disk_cache/backend_impl.cc')
| -rw-r--r-- | net/disk_cache/backend_impl.cc | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/net/disk_cache/backend_impl.cc b/net/disk_cache/backend_impl.cc index 05d017a..c0fa867 100644 --- a/net/disk_cache/backend_impl.cc +++ b/net/disk_cache/backend_impl.cc @@ -676,6 +676,15 @@ void BackendImpl::OnStatsTimer() { current /= time; stats_.SetCounter(Stats::OPEN_ENTRIES, current); stats_.SetCounter(Stats::MAX_ENTRIES, max_refs_); + + static bool first_time = true; + if (first_time) { + first_time = false; + UMA_HISTOGRAM_COUNTS(L"DiskCache.Entries", data_->header.num_entries); + UMA_HISTOGRAM_COUNTS(L"DiskCache.Size", + data_->header.num_bytes / (1024 * 1024)); + UMA_HISTOGRAM_COUNTS(L"DiskCache.MaxSize", max_size_ / (1024 * 1024)); + } } void BackendImpl::IncrementIoCount() { |