| commit | b2b819260d6ea779a8a745e1a47b9162d17017dc | |
| author | skyostil@chromium.org <skyostil@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | |
| Wed, 26 Feb 2014 11:35:00 +0000 (26 11:35 +0000) | ||
| committer | skyostil@chromium.org <skyostil@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | |
| Wed, 26 Feb 2014 11:35:00 +0000 (26 11:35 +0000) | ||
| tree | 12029f908967b3a2ea5544b5e16477597c4be033 | treesnapshot (tar.gz zip) |
| parent | 4a1ebaa432c40bdecb3abe7adf2c73469486c9c9 | commitdiff |
telemetry: Add discrepancy-based latency jank metric
Add a metric for measuring touch/scroll latency jank. This is similar to
the existing jank metric based on frame completion times, and
correspondingly a smaller latency jank number is better and indicates
a smoother touch response.
BUG=309648
TEST=StatisticsUnitTest.testLatencyDiscrepancy
Review URL: https://codereview.chromium.org/173363003
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253405 0039d316-1c4b-4281-b951-d872f2087c98
Add a metric for measuring touch/scroll latency jank. This is similar to
the existing jank metric based on frame completion times, and
correspondingly a smaller latency jank number is better and indicates
a smoother touch response.
BUG=309648
TEST=StatisticsUnitTest.testLatencyDiscrepancy
Review URL: https://codereview.chromium.org/173363003
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253405 0039d316-1c4b-4281-b951-d872f2087c98
| tools/perf/metrics/smoothness.py | diffblobblamehistory | |
| tools/perf/metrics/statistics.py | diffblobblamehistory | |
| tools/perf/metrics/statistics_unittest.py | diffblobblamehistory |