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| author | jar@chromium.org <jar@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2011-04-05 04:48:53 +0000 |
|---|---|---|
| committer | jar@chromium.org <jar@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2011-04-05 04:48:53 +0000 |
| commit | 81ce9f3b1eb34dc7f6954f0f6657a76b0f01fc12 (patch) | |
| tree | 41b3caf1a55ba3cfa2f6cf13b0a5ce3d773d631f /chrome/browser/sessions | |
| parent | 4f7f4854821e8e4933ad2c662bfd9417eb604a68 (diff) | |
| download | chromium_src-81ce9f3b1eb34dc7f6954f0f6657a76b0f01fc12.zip chromium_src-81ce9f3b1eb34dc7f6954f0f6657a76b0f01fc12.tar.gz chromium_src-81ce9f3b1eb34dc7f6954f0f6657a76b0f01fc12.tar.bz2 | |
Use lock-free lazy initialization for static histogram references
Make all histogram macros thread safe, and fast by again
using statics to achieve performance.
...at the cost of:
Leak all histograms to avoid races at shutdown.
Also included leak suppression for valgrind.
r=rtenneti
BUG=78207
Review URL: http://codereview.chromium.org/6780035
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@80412 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'chrome/browser/sessions')
| -rw-r--r-- | chrome/browser/sessions/session_restore.cc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/chrome/browser/sessions/session_restore.cc b/chrome/browser/sessions/session_restore.cc index c98f7b3..bf60878 100644 --- a/chrome/browser/sessions/session_restore.cc +++ b/chrome/browser/sessions/session_restore.cc @@ -300,7 +300,7 @@ void TabLoader::Observe(NotificationType type, // contention. std::string time_for_count = StringPrintf("SessionRestore.FirstTabPainted_%d", tab_count_); - scoped_refptr<base::Histogram> counter_for_count = + base::Histogram* counter_for_count = base::Histogram::FactoryTimeGet( time_for_count, base::TimeDelta::FromMilliseconds(10), @@ -388,7 +388,7 @@ void TabLoader::HandleTabClosedOrLoaded(NavigationController* tab) { // Record a time for the number of tabs, to help track down contention. std::string time_for_count = StringPrintf("SessionRestore.AllTabsLoaded_%d", tab_count_); - scoped_refptr<base::Histogram> counter_for_count = + base::Histogram* counter_for_count = base::Histogram::FactoryTimeGet( time_for_count, base::TimeDelta::FromMilliseconds(10), |