All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=738341

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgzp_fswoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgruDNjAgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgruKS1AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrvWUkwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgruP64gkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7tiT7wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7rjmqAsM


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

android-nexus5
android-nexus7v2
android-webview-nexus5X

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8975382048078444944

=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : v8.mobile_infinite_scroll_tbmv2
  Metric       : total:500ms_window:renderer_eqt:v8:gc:scavenger_max/total:500ms_window:renderer_eqt:v8:gc:scavenger_max

Revision             Result                   N
chromium@481857      1.31498 +- 1.10791       21      good
chromium@481918      1.23834 +- 0.864397      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests v8.mobile_infinite_scroll_tbmv2

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8975382048078444944


For feedback, file a bug with component Speed>Bisection

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8975350759302672416

=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : v8.mobile_infinite_scroll_tbmv2
  Metric       : total:500ms_window:renderer_eqt:v8:gc:scavenger_max/total:500ms_window:renderer_eqt:v8:gc:scavenger_max

Revision             Result                  N
chromium@481857      1.24544 +- 0.50778      21      good
chromium@481918      1.38851 +- 1.51205      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests v8.mobile_infinite_scroll_tbmv2

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8975350759302672416


For feedback, file a bug with component Speed>Bisection

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8974468466091741792

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8974468456089894432

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8974468449995401328

I kicked off more bisects. If they also fail, let's close this issue.

=== BISECT JOB RESULTS ===
Bisect was unable to run to completion

Please try rerunning the bisect.


If failures persist contact the team (see below) and report the error.


Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile
  Metric       : V8 C++:duration_avg/browse_chrome/browse_chrome_newtab

Revision             Result                  N
chromium@477935      1465.74 +- 195.824      14      good
chromium@482515      2212.46 +- 272.841      14      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=browse.chrome.newtab v8.runtimestats.browsing_mobile

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8974468456089894432


For feedback, file a bug with component Speed>Bisection

=== BISECT JOB RESULTS ===
Bisect was unable to run to completion

Please try rerunning the bisect.


If failures persist contact the team (see below) and report the error.


Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile
  Metric       : JavaScript:duration_avg/browse_chrome/browse_chrome_newtab

Revision             Result                  N
chromium@477931      2354.65 +- 65.748       10      good
chromium@482487      3055.63 +- 116.436      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=browse.chrome.newtab v8.runtimestats.browsing_mobile

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8974468466091741792


For feedback, file a bug with component Speed>Bisection

=== BISECT JOB RESULTS ===
Bisect was unable to run to completion

Please try rerunning the bisect.


If failures persist contact the team (see below) and report the error.


Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile
  Metric       : Total:duration_avg/browse_chrome/browse_chrome_newtab

Revision             Result                  N
chromium@477935      11646.9 +- 592.418      14      good
chromium@482515      13858.9 +- 1598.54      14      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=browse.chrome.newtab v8.runtimestats.browsing_mobile

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8974468449995401328


For feedback, file a bug with component Speed>Bisection