New issue
Advanced search Search tips

Issue 734643 link

Starred by 1 user

Issue metadata

Status: Duplicate
Merged: issue 729585
Owner:
Closed: Jun 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



Sign in to add a comment

2.2%-4.3% regression in system_health.memory_desktop at 476761:476890

Project Member Reported by etienneb@chromium.org, Jun 19 2017

Issue description

See the link to graphs below.
 
Cc: erikc...@chromium.org
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, Jun 20 2017

Cc: khushals...@chromium.org
Owner: khushals...@chromium.org

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

Hi khushalsagar@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 : khushalsagar
  Commit : 5867068aa6d1677d3ff8a9da36ba793757b171aa
  Date   : Fri Jun 02 22:11:04 2017
  Subject: cc: Workaround invalid property tree state on Layers.

Bisect Details
  Configuration: win_perf_bisect
  Benchmark    : system_health.memory_desktop
  Metric       : memory:chrome:all_processes:reported_by_os:system_memory:proportional_resident_size_avg/load_social/load_social_vk
  Change       : 1.66% | 119006094.778 -> 121347316.0

Revision             Result                    N
chromium@476760      119006095 +- 1208224      9       good
chromium@476793      119158281 +- 2107788      14      good
chromium@476809      119252728 +- 2153324      14      good
chromium@476810      119097452 +- 1591092      14      good
chromium@476811      120696641 +- 3553642      9       bad       <--
chromium@476825      120595069 +- 6002123      14      bad
chromium@476890      121347316 +- 2182416      9       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.social.vk system_health.memory_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976338375925498960

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6623559629144064


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!
I highly doubt that change would regress memory. All it was doing was avoiding a null pointer access right after commit. I have triggered another bisect.
Project Member

Comment 7 by 42576172...@developer.gserviceaccount.com, Jun 20 2017


=== BISECT JOB RESULTS ===
Bisect failed unexpectedly

Bisect was aborted with the following:
  Step('Bisecting revision.Post bisect results (2)') failed with return_code 1


Bisect Details
  Configuration: win_perf_bisect
  Benchmark    : system_health.memory_desktop
  Metric       : memory:chrome:all_processes:reported_by_os:system_memory:proportional_resident_size_avg/load_social/load_social_vk

Revision             Result                    N
chromium@476760      123930525 +- 2228626      9       good
chromium@476825      124569757 +- 4795941      14      good
chromium@476890      126634201 +- 3777005      9       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.social.vk system_health.memory_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976247853557746896

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5790238447763456


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!
Labels: -Performance-Memory Performance-Sheriff
Project Member

Comment 10 by 42576172...@developer.gserviceaccount.com, Jun 21 2017

Mergedinto: 729585
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : hans
  Commit : 8476c55fd44915447233200c063fcd426dfe9807
  Date   : Sat Jun 03 03:58:11 2017
  Subject: Re-commit "win: Set is_clang=true by default" over the weekend.

Bisect Details
  Configuration: win_perf_bisect
  Benchmark    : system_health.memory_desktop
  Metric       : memory:chrome:all_processes:reported_by_os:system_memory:proportional_resident_size_avg/load_social/load_social_vk
  Change       : 2.30% | 119699883.667 -> 122290835.357

Revision             Result                    N
chromium@476760      119699884 +- 4461442      9       good
chromium@476825      119090913 +- 1242636      6       good
chromium@476858      120131738 +- 5345319      14      good
chromium@476874      120161358 +- 5739610      14      good
chromium@476882      119804162 +- 3544592      14      good
chromium@476883      120055836 +- 6067831      14      good
chromium@476884      122396544 +- 5486684      14      bad       <--
chromium@476886      121662432 +- 5790476      14      bad
chromium@476890      122290835 +- 4805275      14      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.social.vk system_health.memory_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976238044037504592

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5790238447763456


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!

Sign in to add a comment