All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=751984

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=6e7cdfd06a4e6bb1ef257c9c2c335b53c921512fc9bc9b34c8ef5f4c572044a4


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

chromium-rel-win10

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8972297651260244992

=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : Helen Li
  Commit : 05ee1dbfaf0aa7c03b9ea2040f0345277042d0f1
  Date   : Mon Jul 31 13:24:01 2017
  Subject: [wpr-go] Switch system_health_desktop.json to use go

Bisect Details
  Configuration: winx64_10_perf_bisect
  Benchmark    : system_health.memory_desktop
  Metric       : memory:chrome:all_processes:reported_by_chrome:cc:effective_size_avg/load_media/load_media_9gag
  Change       : 27.85% | 9518229.33333 -> 12169108.0

Revision             Result                   N
chromium@490745      9518229 +- 9004.99       6      good
chromium@490749      9535979 +- 89066.4       6      good
chromium@490750      9538027 +- 87017.9       6      good
chromium@490751      12189588 +- 85330.6      6      bad       <--
chromium@490753      12188223 +- 87017.9      6      bad
chromium@490760      12188223 +- 86824.9      6      bad
chromium@490774      12169108 +- 8192.0       6      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=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=load.media.9gag system_health.memory_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8972297651260244992


For feedback, file a bug with component Speed>Bisection