All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=763333

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=328fbfbcb40ff6e223f07ded27743ad609c8ee8037e924c92f490eaef8d4aa18


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

android-one

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8969026334403378096

=== Auto-CCing suspected CL author egdaniel@google.com ===

Hi egdaniel@google.com, 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 : Greg Daniel
  Commit : 52cb5fe23b8f960bb3248620c8f4e2f2957b6685
  Date   : Wed Sep 06 14:41:18 2017
  Subject: Remove isMipMapped from GrSurfaceDesc

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : smoothness.gpu_rasterization.tough_path_rendering_cases
  Metric       : frame_times/GUIMark Vector Chart Test
  Change       : 44.42% | 46.9117234262 -> 67.7478226302

Revision                             Result                  N
chromium@499964                      46.9117 +- 4.78573      6      good
chromium@500024                      46.0572 +- 1.28099      6      good
chromium@500054                      46.2382 +- 1.90185      6      good
chromium@500062                      46.176 +- 0.99383       6      good
chromium@500063                      46.0252 +- 1.22502      6      good
chromium@500063,skia@52cb5fe23b      67.4306 +- 1.18556      6      bad       <--
chromium@500063,skia@e1fbf17058      66.9666 +- 2.2766       6      bad
chromium@500064                      67.3929 +- 1.4935       6      bad
chromium@500066                      67.8482 +- 1.57946      6      bad
chromium@500069                      67.0627 +- 1.75965      6      bad
chromium@500084                      67.7478 +- 1.21909      6      bad

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=GUIMark.Vector.Chart.Test smoothness.gpu_rasterization.tough_path_rendering_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8969026334403378096


For feedback, file a bug with component Speed>Bisection

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8969005598547412096

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

Suspected Commit
  Author : Greg Daniel
  Commit : 52cb5fe23b8f960bb3248620c8f4e2f2957b6685
  Date   : Wed Sep 06 14:41:18 2017
  Subject: Remove isMipMapped from GrSurfaceDesc

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : smoothness.gpu_rasterization.tough_path_rendering_cases
  Metric       : frame_times/GUIMark Vector Chart Test
  Change       : 43.79% | 46.9445800338 -> 67.5022499941

Revision                             Result                   N
chromium@499964                      46.9446 +- 4.99801       6      good
chromium@500024                      46.308 +- 0.643747       6      good
chromium@500054                      45.9445 +- 0.758138      6      good
chromium@500062                      46.0451 +- 0.299592      6      good
chromium@500063                      46.1515 +- 0.891444      6      good
chromium@500063,skia@52cb5fe23b      67.1178 +- 0.926095      6      bad       <--
chromium@500063,skia@e1fbf17058      67.3102 +- 1.73315       6      bad
chromium@500064                      67.3807 +- 1.64398       6      bad
chromium@500066                      68.2932 +- 2.10038       6      bad
chromium@500069                      67.1181 +- 2.23316       6      bad
chromium@500084                      67.5022 +- 1.35017       6      bad

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=GUIMark.Vector.Chart.Test smoothness.gpu_rasterization.tough_path_rendering_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8969005598547412096


For feedback, file a bug with component Speed>Bisection

The following revision refers to this bug:
  https://skia.googlesource.com/skia/+/21918231b25037f6ae98a9a431d9e107e8b29f08

commit 21918231b25037f6ae98a9a431d9e107e8b29f08
Author: Greg Daniel <egdaniel@google.com>
Date: Fri Sep 08 19:58:18 2017

Revert "Remove isMipMapped from GrSurfaceDesc" and follow up find exact scratch CL

This reverts commit 52cb5fe23b8f960bb3248620c8f4e2f2957b6685.
This reverts commit e1fbf170580a4b932d0abcb11593fb1ef0cac60b.

TBR:bsalomon@googole.com

Bug:  chromium:763333 
Change-Id: Ie94e00c3c7231e32f009b9dc7bb51ebb53baf7b1
Reviewed-on: https://skia-review.googlesource.com/44400
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>

[modify] https://crrev.com/21918231b25037f6ae98a9a431d9e107e8b29f08/src/effects/SkBlurMaskFilter.cpp
[modify] https://crrev.com/21918231b25037f6ae98a9a431d9e107e8b29f08/include/gpu/GrTypes.h
[modify] https://crrev.com/21918231b25037f6ae98a9a431d9e107e8b29f08/tests/ResourceCacheTest.cpp
[modify] https://crrev.com/21918231b25037f6ae98a9a431d9e107e8b29f08/tests/GrSurfaceTest.cpp
[modify] https://crrev.com/21918231b25037f6ae98a9a431d9e107e8b29f08/src/gpu/GrResourceProvider.cpp
[modify] https://crrev.com/21918231b25037f6ae98a9a431d9e107e8b29f08/src/gpu/GrTextureProxy.cpp
[modify] https://crrev.com/21918231b25037f6ae98a9a431d9e107e8b29f08/src/gpu/SkGr.cpp
[modify] https://crrev.com/21918231b25037f6ae98a9a431d9e107e8b29f08/src/gpu/GrTexturePriv.h
[modify] https://crrev.com/21918231b25037f6ae98a9a431d9e107e8b29f08/src/gpu/GrSurfaceProxy.cpp
[modify] https://crrev.com/21918231b25037f6ae98a9a431d9e107e8b29f08/src/gpu/GrTexture.cpp
[modify] https://crrev.com/21918231b25037f6ae98a9a431d9e107e8b29f08/src/gpu/GrResourceProvider.h
[modify] https://crrev.com/21918231b25037f6ae98a9a431d9e107e8b29f08/src/gpu/GrBackendTextureImageGenerator.cpp

fixed by reverting original change