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Issue 794515 link

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Issue metadata

Status: WontFix
Owner: ----
Closed: Jan 2018
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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5.2% regression in thread_times.key_silk_cases at 522050:522083

Project Member Reported by kraynov@chromium.org, Dec 13 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Dec 13 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=794515

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=d8f14b201029ebdcd7e4596b5ba195d399f19b66ea21549654803f8475f15e7b


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

android-nexus6
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Dec 13 2017


=== BISECT JOB RESULTS ===
Perf regression found but unable to continue

Bisect was stopped because a commit couldn't be classified as either
good or bad.


Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : thread_times.key_silk_cases
  Metric       : thread_browser_cpu_time_per_frame/inbox_app.html?toggle_drawer

Revision             Result                    N
chromium@522049      1.85768 +- 0.0951815      21      good
chromium@522066      1.85173 +- 0.10123        21      unknown
chromium@522083      1.83979 +- 0.0724459      21      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=inbox.app.html.toggle.drawer thread_times.key_silk_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8960321981335718960


For feedback, file a bug with component Speed>Bisection
Status: WontFix (was: Untriaged)
The bisect numbers look like it actually saw a slight improvement; the graph is noisy and this doesn't repro.

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