All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=771762

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=9c1e8623da83f26039ea4c6fb6f95c3a826af7649ee36ffaed2ce737685aef78


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

android-nexus7v2
android-webview-nexus5X
win-high-dpi

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8966630234358800912

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

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


Bisect Details
  Configuration: winx64_high_dpi_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : story:power_avg/load_news/load_news_wikipedia


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 --story-filter=load.news.wikipedia system_health.common_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8966630234358800912


For feedback, file a bug with component Speed>Bisection

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8966607285735250016

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

Bisect Details
  Configuration: winx64_high_dpi_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : story:power_avg/browse_social/browse_social_tumblr_infinite_scroll

Revision             Result                   N
chromium@505526      10.1915 +- 0.728531      21      good
chromium@505576      10.1997 +- 1.10228       21      bad

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 --story-filter=browse.social.tumblr.infinite.scroll system_health.common_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8966607285735250016


For feedback, file a bug with component Speed>Bisection

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8966540472645475952

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

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


Bisect Details
  Configuration: android_nexus5X_perf_bisect
  Benchmark    : blink_perf.bindings
  Metric       : structured-clone-long-string-serialize/structured-clone-long-string-serialize


Please refer to the following doc on diagnosing blink_perf regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/speed/benchmark_harnesses/blink_perf.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 blink_perf.bindings

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8966540472645475952


For feedback, file a bug with component Speed>Bisection

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8966446937609069488

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

Bisect Details
  Configuration: winx64_high_dpi_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : story:power_avg/load_tools/load_tools_weather

Revision             Result                  N
chromium@505520      9.32596 +- 1.65085      21      good
chromium@505653      9.36483 +- 1.61867      20      bad

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 --story-filter=load.tools.weather system_health.common_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8966446937609069488


For feedback, file a bug with component Speed>Bisection

Too bad the ref data series are missing for all the graphs. However, it looks like something in the testing environment has changed, and the higher values are the new norm.