All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=775662

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=5fb402b4703b33c0cd961453897f0e8e0f0a0379156a422bdb090eaa81e1e183


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

chromium-rel-win10

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8965452642580950192

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

Suspected Commit
  Author : Peiyong Lin
  Commit : 6161e912bd613a6487e12410344cff99ba994db4
  Date   : Thu Oct 05 17:10:25 2017
  Subject: Merge network idleness signal with Performance Monitor.

Bisect Details
  Configuration: winx64_10_perf_bisect
  Benchmark    : system_health.memory_desktop
  Metric       : memory:chrome:all_processes:reported_by_chrome:malloc:effective_size_avg/load_media/load_media_soundcloud
  Change       : 2.69% | 22532852.8333 -> 23138660.3333

Revision             Result                  N
chromium@506771      22532853 +- 320000      6      good
chromium@506772      22535996 +- 417382      6      good
chromium@506773      23137868 +- 739823      6      bad       <--
chromium@506774      23305692 +- 550883      6      bad
chromium@506776      23362364 +- 506820      6      bad
chromium@506781      23351642 +- 872693      6      bad
chromium@506790      23171761 +- 409159      6      bad
chromium@506809      23098013 +- 317598      6      bad
chromium@506847      23138660 +- 461919      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.media.soundcloud 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/8965452642580950192


For feedback, file a bug with component Speed>Bisection