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| author | rvargas@google.com <rvargas@google.com@0039d316-1c4b-4281-b951-d872f2087c98> | 2009-03-24 21:19:55 +0000 |
|---|---|---|
| committer | rvargas@google.com <rvargas@google.com@0039d316-1c4b-4281-b951-d872f2087c98> | 2009-03-24 21:19:55 +0000 |
| commit | 26d3857c6d85fc760ecf61276b5ffd6c61199a14 (patch) | |
| tree | 51915c13c3e9c4c4ad748198f2f418658c039fc5 /net/disk_cache/eviction.cc | |
| parent | 4639f17fd36f6eb1dea14c81ff01d94bdca0e39f (diff) | |
| download | chromium_src-26d3857c6d85fc760ecf61276b5ffd6c61199a14.zip chromium_src-26d3857c6d85fc760ecf61276b5ffd6c61199a14.tar.gz chromium_src-26d3857c6d85fc760ecf61276b5ffd6c61199a14.tar.bz2 | |
Add a new histogram macro to replace a few explicit calls.
There is no real change in functionality.
Review URL: http://codereview.chromium.org/42514
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@12400 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'net/disk_cache/eviction.cc')
| -rw-r--r-- | net/disk_cache/eviction.cc | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/net/disk_cache/eviction.cc b/net/disk_cache/eviction.cc index 16d0957..0075f5d 100644 --- a/net/disk_cache/eviction.cc +++ b/net/disk_cache/eviction.cc @@ -38,6 +38,10 @@ using base::Time; +// HISTOGRAM_HOURS will collect time related data with a granularity of hours +// and normal values of a few months. +#define UMA_HISTOGRAM_HOURS UMA_HISTOGRAM_COUNTS_10000 + namespace { const int kCleanUpMargin = 1024 * 1024; @@ -143,9 +147,8 @@ void Eviction::ReportTrimTimes(EntryImpl* entry) { if (backend_->ShouldReportAgain()) { std::string name(StringPrintf("DiskCache.TrimAge_%d", header_->experiment)); - static Histogram counter(name.c_str(), 1, 10000, 50); - counter.SetFlags(kUmaTargetedHistogramFlag); - counter.Add((Time::Now() - entry->GetLastUsed()).InHours()); + UMA_HISTOGRAM_HOURS(name.c_str(), + (Time::Now() - entry->GetLastUsed()).InHours()); } if (header_->create_time || !header_->lru.filled) { |