All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=738740

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7vvnsQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnqGytgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7smXkgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7on_2AoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnrLIpAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7vnmlgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7quC5wsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnpv7pQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnsri8ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7rvI9AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnvbAuAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7o2t8woM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7u2uhgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnoCGtwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7vuO7wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnubQ8gkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnsW7uQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7u_QmggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7u6WiwgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnoW-6wkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7q6zjQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnrL1ogkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7tOcxggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnuSumggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnpuduAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7pnz-gkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnqiy7ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnoO6qAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg3qierQoM


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

chromium-rel-win10
chromium-rel-win7-dual
chromium-rel-win7-gpu-ati
chromium-rel-win7-gpu-intel
chromium-rel-win7-gpu-nvidia
chromium-rel-win7-x64-dual
chromium-rel-win8-dual
win-high-dpi

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8975165074511436880

=== BISECT JOB RESULTS ===
Bisect failed for unknown reasons

Please contact the team (see below) and report the error.


Bisect Details
  Configuration: winx64intel_perf_bisect
  Benchmark    : v8.runtimestats.browsing_desktop
  Metric       : total:500ms_window:renderer_eqt:v8:gc:full-mark-compactor_max/total:500ms_window:renderer_eqt:v8:gc:full-mark-compactor_max


To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests v8.runtimestats.browsing_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8975165074511436880


For feedback, file a bug with component Speed>Bisection

Starting another bisect and assigning to this weeks' perf sheriff.

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8975072738193478944

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8975071420013094768

=== BISECT JOB RESULTS ===
Bisect failed for unknown reasons

Please contact the team (see below) and report the error.


Bisect Details
  Configuration: winx64ati_perf_bisect
  Benchmark    : v8.runtimestats.browsing_desktop
  Metric       : total:500ms_window:renderer_eqt:v8:gc_max/total:500ms_window:renderer_eqt:v8:gc_max


To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests v8.runtimestats.browsing_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8975072738193478944


For feedback, file a bug with component Speed>Bisection

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8974980822404684400

=== BISECT JOB RESULTS ===
Bisect failed for unknown reasons

Please contact the team (see below) and report the error.


Bisect Details
  Configuration: winx64intel_perf_bisect
  Benchmark    : v8.runtimestats.browsing_desktop
  Metric       : total:500ms_window:renderer_eqt:v8:gc:full-mark-compactor_max/total:500ms_window:renderer_eqt:v8:gc:full-mark-compactor_max


To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests v8.runtimestats.browsing_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8975071420013094768


For feedback, file a bug with component Speed>Bisection

=== BISECT JOB RESULTS ===
Bisect failed for unknown reasons

Please contact the team (see below) and report the error.


Bisect Details
  Configuration: winx64ati_perf_bisect
  Benchmark    : v8.runtimestats.browsing_desktop
  Metric       : total:500ms_window:renderer_eqt:v8:gc_max/total:500ms_window:renderer_eqt:v8:gc_max


To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests v8.runtimestats.browsing_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8974980822404684400


For feedback, file a bug with component Speed>Bisection

Given the high correlation with the ref graphs, this seems to be a bot issue that temporarily caused too low measurements.