All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=764715

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=e335f84e3b759d9164e22cdff787d2dec1dfcd991ac6208fb7cc3c47bb1e52a7


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

android-nexus5X

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8968559186676260992

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

Hi ericrk@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 : Eric Karl
  Commit : bc1b89a7d0fd2965b10544651d3be31e77f9ff64
  Date   : Mon Sep 11 20:27:00 2017
  Subject: Revert "Use GPU Discardable in Image Decode Cache"

Bisect Details
  Configuration: android_nexus5X_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_chrome:cc:effective_size_avg/background_tools/background_tools_gmail
  Change       : 1.85% | 16433152.0 -> 16737621.3333

Revision             Result                   N
chromium@500989      16433152 +- 0.0          6      good
chromium@501019      16433152 +- 0.0          6      good
chromium@501020      16736256 +- 0.0          6      bad       <--
chromium@501021      16737621 +- 7478.24      6      bad
chromium@501023      16737621 +- 7478.24      6      bad
chromium@501027      16736256 +- 11585.2      6      bad
chromium@501034      16738987 +- 9459.31      6      bad
chromium@501048      16736256 +- 0.0          6      bad
chromium@501106      16737621 +- 7478.24      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=background.tools.gmail 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/8968559186676260992


For feedback, file a bug with component Speed>Bisection

We had to revert this feature as it caused leaks on other platforms. Will try to re-land in the future.

 Issue 764707  has been merged into this issue.

 Issue 764707  has been merged into this issue.

Issue 764709 has been merged into this issue.

 Issue 766519  has been merged into this issue.