All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=746262

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=84a68af0490ff86377f76d74db0072eec6ca7748f3dcbe14a2edde1a2846e272


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

chromium-rel-mac11
chromium-rel-mac11-pro
chromium-rel-win7-gpu-nvidia

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8973651232725970800

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

Suspected Commit
  Author : perezju
  Commit : 00b0c16c97088f5c06df9d3b27eaeb41f06173e5
  Date   : Sat Jul 08 09:18:52 2017
  Subject: Revert of [System Health] Extend dump time to 5 seconds (patchset #2 id:20001 of https://codereview.chromium.org/2946013004/ )

Bisect Details
  Configuration: mac_pro_perf_bisect
  Benchmark    : system_health.memory_desktop
  Metric       : memory:chrome:renderer_processes:reported_by_chrome:v8:heap:effective_size_avg/load_media/load_media_dailymotion
  Change       : 19.41% | 24274232.0 -> 28985560.0

Revision                                 Result                   N
chromium@484851                          24274232 +- 263086       6      good
chromium@485088                          24357579 +- 455307       6      good
chromium@485118                          24219499 +- 204366       6      good
chromium@485133                          24187491 +- 214612       6      good
chromium@485140                          24279392 +- 486427       6      good
chromium@485144                          24259520 +- 280474       6      good
chromium@485146                          24250612 +- 503403       6      good
chromium@485146,catapult@00b0c16c97      29263375 +- 721140       6      bad       <--
chromium@485147                          29415980 +- 545232       6      bad
chromium@485206                          29095009 +- 549253       6      bad
chromium@485324                          29185371 +- 640585       6      bad
chromium@485796                          28985560 +- 74854.6      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 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=load.media.dailymotion 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/8973651232725970800


For feedback, file a bug with component Speed>Bisection