All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=780216

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=f4d7e25e9958ca0bcf39404a258405d53e904afff4ba9568979da1a64640fcb2


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

chromium-rel-win10

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8964184696186269664

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

Suspected Commit
  Author : Alex Moshchuk
  Commit : 9cf0ac139cc65890b9e036f704040c8da332d6e3
  Date   : Wed Oct 25 21:26:19 2017
  Subject: Add field trial testing config for sign-in process isolation.

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_tools/load_tools_docs
  Change       : 3.61% | 7348224.0 -> 7613166.66667

Revision             Result                  N
chromium@511581      7348224 +- 0.0          6      good
chromium@511589      7348224 +- 0.0          6      good
chromium@511593      7348224 +- 0.0          6      good
chromium@511594      7528516 +- 0.0          6      bad       <--
chromium@511595      7528516 +- 0.0          6      bad
chromium@511597      7525785 +- 14956.5      6      bad
chromium@511612      7528516 +- 0.0          6      bad
chromium@511642      7528516 +- 0.0          6      bad
chromium@511702      7613167 +- 463651       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.tools.docs 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/8964184696186269664


For feedback, file a bug with component Speed>Bisection