All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=794531

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=724fcb12982f373c5e3d901378c99018da97731867e19b40f8706f5dc74bf0c3


Bot(s) for this bug's original alert(s):

android-nexus5

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8960318716380830848

=== BISECT JOB RESULTS ===
Perf regression found but unable to narrow commit range

Build failures prevented the bisect from narrowing the range further.


Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : thread_times.key_mobile_sites_smooth
  Metric       : thread_renderer_compositor_cpu_time_per_frame/http___slashdot.org_
  Change       : 0.53% | 3.32138243043 -> 3.3388703166

Suspected Commit Range
  2 commits in range
  https://chromium.googlesource.com/chromium/src/+log/ea6e12b3635b8f77966cd4bacc02c31b914e95c4..08eb0fe5d0e990714a4efcc29cb7073824283be5


Revision             Result                    N
chromium@522320      3.32138 +- 0.0599507      21       good
chromium@522322      3.32737 +- 0.0713579      21       good
chromium@522323      ---                       ---      build failure
chromium@522324      3.34535 +- 0.064443       14       bad
chromium@522328      3.352 +- 0.0534344        6        bad
chromium@522336      3.34495 +- 0.0800756      14       bad
chromium@522352      3.35217 +- 0.0546876      9        bad
chromium@522383      3.33887 +- 0.0854378      21       bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...slashdot.org. thread_times.key_mobile_sites_smooth

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8960318716380830848


For feedback, file a bug with component Speed>Bisection