All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=750920

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=27aea0a037e7620241edf66fd049cf3ddb0075c8b5765406f8dfd26a669dc854


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

chromium-rel-mac11-pro

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8972511500770210656

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

Suspected Commit
  Author : Hector Dearman
  Commit : 3d197c0b3c6b2ff9cbce4990775f7bb120838231
  Date   : Fri Jul 28 11:34:31 2017
  Subject: memory-infra: Start using new RequestOSMemoryDump API

Bisect Details
  Configuration: mac_pro_perf_bisect
  Benchmark    : media.tough_video_cases_tbmv2
  Metric       : memory:chrome:browser_process:reported_by_chrome:allocated_objects_size_avg/video.html?src_tulip2.mp4
  Change       : 0.55% | 81928957.3333 -> 82378101.3333

Revision             Result                  N
chromium@490303      81928957 +- 220158      6      good
chromium@490332      81877805 +- 258184      6      good
chromium@490347      81873699 +- 282418      6      good
chromium@490354      81810112 +- 320663      6      good
chromium@490358      81901064 +- 234099      6      good
chromium@490360      81850912 +- 252441      6      good
chromium@490361      82378101 +- 230256      6      bad       <--

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=video.html.src.tulip2.mp4 media.tough_video_cases_tbmv2

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8972511500770210656


For feedback, file a bug with component Speed>Bisection