All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=797412

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=3096784f0d4571f17c6c80f22f3460ca1919c7e4c73c545ee587201b78e887b0


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

android-nexus5

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8959470723626635328

=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_os:gpu_memory:proportional_resident_size_avg/browse_news/browse_news_cnn

Revision             Result                   N
chromium@524313      76993487 +- 2840539      21      good
chromium@524355      76693894 +- 3915283      21      bad

Please refer to the following doc on diagnosing memory regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/memory-infra/memory_benchmarks.md

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=browse.news.cnn system_health.memory_mobile

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8959470723626635328


For feedback, file a bug with component Speed>Bisection

📍 Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/17e1b884840000

Trying a wider range.

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/17e1b884840000

I do think there is something there, though it is small compared to the noise. I've uploaded a CL to increase Pinpoint's sensitivity here: https://chromium-review.googlesource.com/c/catapult/+/887960
And am re-running the job now.

📍 Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/12ddaf82840000

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/12ddaf82840000

Looks like we can't get a clear enough repro in bisect.