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Starred by 6 users
Status: WontFix
Owner:
Closed: Jul 18
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 3
Type: Task



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4%-22.2% regression in system_health.memory_mobile at 485141:485148
Project Member Reported by petermarshall@chromium.org, Jul 11 Back to list
See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=740885

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=a8d54930f3c2a48f4820aa04f8affe22959496d65fbeda8a50b30b7a98f74c7a


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

android-nexus6
android-nexus7v2
android-one
Cc: perezju@chromium.org
Owner: perezju@chromium.org

=== Auto-CCing suspected CL author perezju@chromium.org ===

Hi perezju@chromium.org, the bisect results pointed to your CL, please take a look at the
results.


=== 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: android_nexus6_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:renderer_processes:reported_by_chrome:v8:heap:effective_size_avg/load_games/load_games_bubbles
  Change       : 21.56% | 6209670.0 -> 7548172.66667

Revision                                 Result                  N
chromium@485140                          6209670 +- 68119.0      6      good
chromium@485144                          6236583 +- 171274       6      good
chromium@485146                          6215232 +- 111069       6      good
chromium@485146,catapult@00b0c16c97      7574937 +- 65924.0      6      bad       <--
chromium@485147                          7523364 +- 90384.3      6      bad
chromium@485148                          7548173 +- 72350.9      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=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=load.games.bubbles system_health.memory_mobile

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8974370742453659296


For feedback, file a bug with component Speed>Bisection
 Issue 740883  has been merged into this issue.
Labels: -Pri-2 -Type-Bug-Regression Pri-3 Type-Task
These are expected, the counterpart to 737353.

Will keep an eye on them anyway.
 Issue 740888  has been merged into this issue.
 Issue 740895  has been merged into this issue.
Cc: yoshiki@chromium.org
 Issue 740880  has been merged into this issue.
 Issue 740914  has been merged into this issue.
Cc: briander...@chromium.org
 Issue 741216  has been merged into this issue.
 Issue 741217  has been merged into this issue.
Issue 740878 has been merged into this issue.
Issue 741211 has been merged into this issue.
Cc: mlippautz@chromium.org
 Issue 744362  has been merged into this issue.
Status: WontFix
These all look fine and expected.
 Issue 746262  has been merged into this issue.
 Issue 746261  has been merged into this issue.
Issue 746077 has been merged into this issue.
Issue 746074 has been merged into this issue.
Blocking: 746239
Blocking: -746239
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