All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=750769

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=c9ec6389f5cd1b2bd25078b7919404d56ea2f7dc730b5e60f6af47cad8a7ba16


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

chromium-rel-mac12

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8972529616416922816

=== 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_10_12_perf_bisect
  Benchmark    : memory.desktop
  Metric       : memory:chrome:all_processes:reported_by_chrome:shim_allocated_objects_size_avg/TrivialScrollingPageSharedPageState
  Change       : 3.33% | 20595133.5 -> 21281622.1667

Revision             Result                   N
chromium@490300      20595134 +- 101006       6      good
chromium@490334      20597853 +- 97825.2      6      good
chromium@490351      20547234 +- 208113       6      good
chromium@490360      20664260 +- 268705       6      good
chromium@490361      21389444 +- 507724       6      bad       <--
chromium@490362      21349633 +- 504785       6      bad
chromium@490364      21352371 +- 295002       6      bad
chromium@490368      21281622 +- 438428       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=TrivialScrollingPageSharedPageState memory.desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8972529616416922816


For feedback, file a bug with component Speed>Bisection