All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=740883

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=568402a6674fc7830c2d1945c1061f3e7c4ac1d4de8bca60a181445cd1c3586a


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

chromium-rel-win10
chromium-rel-win7-dual
chromium-rel-win7-gpu-intel
chromium-rel-win7-gpu-nvidia
chromium-rel-win8-dual

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8974370886365389584

Ref also changed, Wont fix.

=== 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: win_8_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       : 23.32% | 15738197.3333 -> 19408213.3333

Revision                                 Result                   N
chromium@485139                          15738197 +- 1210791      6      good
chromium@485143                          15563435 +- 1210791      6      good
chromium@485145                          15301291 +- 882508       6      good
chromium@485146                          15650816 +- 642119       6      good
chromium@485146,catapult@00b0c16c97      19582976 +- 0.0          6      bad       <--
chromium@485147                          19408213 +- 605396       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/8974370886365389584


For feedback, file a bug with component Speed>Bisection