(INFO) 2019-01-18 19:11:13,641 action_runner._RunAction:62  START Page Action: NavigateAction(https://soundcloud.com/lifeofdesiigner/desiigner-panda)
(WARNING) 2019-01-18 19:11:14,677 inspector_log._OnMessage:26  DevTools console [network]: Failed to load resource: the server responded with a status of 404 (Not Found) https://m.soundcloud.com/favicon.ico
(INFO) 2019-01-18 19:11:14,715 action_runner._RunAction:65  DONE Page Action: NavigateAction
(INFO) 2019-01-18 19:11:24,833 devtools_client_backend._IsDevToolsAgentAvailable:169  Devtools client not yet ready: ''
(INFO) 2019-01-18 19:11:24,833 chrome_tracing_agent.RecordClockSyncMarker:174  No devtools clients for issuing clock sync.
(INFO) 2019-01-18 19:11:24,833 chrome_tracing_agent._RemoveTraceConfigFile:294  Remove trace config file in /data/local/chrome-trace-config.json
(INFO) 2019-01-18 19:11:25,012 trace_data.Serialize:192  Trace sizes in bytes: {'telemetry': 24983}
(INFO) 2019-01-18 19:11:28,692 trace_data.Serialize:201  trace2html finished in 3.68 seconds.
(INFO) 2019-01-18 19:11:28,693 timeline_based_measurement._ComputeTimelineBasedMetrics:317  Starting to compute metrics on trace
(INFO) 2019-01-18 19:11:29,724 timeline_based_measurement._ComputeTimelineBasedMetrics:323  Processing resulting traces took 1.031 seconds
(ERROR) 2019-01-18 19:11:29,724 page_test_results.Fail:580  Failure recorded: TypeError: Cannot read property 'rendererHelpers' of undefined
    at RegisteredTypeInfo.loadingMetric [as constructor] (/tracing/metrics/system_health/loading_metric.html:568:36)
    at runMetrics (/b/swarming/w/ir/third_party/catapult/tracing/tracing/metrics/metric_map_function.html:61:16)
    at metricMapFunction (/b/swarming/w/ir/third_party/catapult/tracing/tracing/metrics/metric_map_function.html:190:24)
    at Object.mapSingleTrace (/tracing/mre/map_single_trace.html:39:7)
    at eval (/b/swarming/w/ir/third_party/catapult/tracing/tracing/mre/map_single_trace_cmdline.html:61:18)
    at Object.runAndConvertErrorsToFailures (/tracing/mre/map_single_trace.html:24:10)
    at mapSingleTraceWithResult (/b/swarming/w/ir/third_party/catapult/tracing/tracing/mre/map_single_trace_cmdline.html:52:12)
    at Object.mapSingleTraceMain (/b/swarming/w/ir/third_party/catapult/tracing/tracing/mre/map_single_trace_cmdline.html:77:20)
    at eval (/b/swarming/w/ir/third_party/catapult/tracing/tracing/mre/map_single_trace_cmdline.html:90:15)
    at Object.loadHTMLFile (/b/swarming/w/ir/third_party/catapult/third_party/vinn/vinn/html_imports_loader.js:140:5)
(ERROR) 2019-01-18 19:11:29,724 page_test_results.Fail:580  Failure recorded: TypeError: Cannot read property 'rendererHelpers' of undefined
    at RegisteredTypeInfo.expectedQueueingTimeMetric [as constructor] (/tracing/metrics/system_health/expected_queueing_time_metric.html:84:56)
    at runMetrics (/b/swarming/w/ir/third_party/catapult/tracing/tracing/metrics/metric_map_function.html:61:16)
    at metricMapFunction (/b/swarming/w/ir/third_party/catapult/tracing/tracing/metrics/metric_map_function.html:190:24)
    at Object.mapSingleTrace (/tracing/mre/map_single_trace.html:39:7)
    at eval (/b/swarming/w/ir/third_party/catapult/tracing/tracing/mre/map_single_trace_cmdline.html:61:18)
    at Object.runAndConvertErrorsToFailures (/tracing/mre/map_single_trace.html:24:10)
    at mapSingleTraceWithResult (/b/swarming/w/ir/third_party/catapult/tracing/tracing/mre/map_single_trace_cmdline.html:52:12)
    at Object.mapSingleTraceMain (/b/swarming/w/ir/third_party/catapult/tracing/tracing/mre/map_single_trace_cmdline.html:77:20)
    at eval (/b/swarming/w/ir/third_party/catapult/tracing/tracing/mre/map_single_trace_cmdline.html:90:15)
    at Object.loadHTMLFile (/b/swarming/w/ir/third_party/catapult/third_party/vinn/vinn/html_imports_loader.js:140:5)
(INFO) 2019-01-18 19:11:30,300 browser.Close:222  Browser is closed.
(INFO) 2019-01-18 19:11:30,466 flag_changer._UpdateCommandLineFile:228  Flags now set on the device at /data/local/tmp/webview-command-line: []
[  FAILED  ] system_health.common_mobile/load:media:soundcloud:2018@{'case': 'load', 'group': 'media'} (21604 ms)

flakiness dashboard: https://test-results.appspot.com/dashboards/flakiness_dashboard.html#testType=performance_webview_test_suite&showAllRuns=true

Last time this wasn't very flaky:  r615008
first time this was really flaky: r615830

story: system_health.memory_mobile/load:media:soundcloud:2018

📍 Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/14877bf6540000

Used this dashboard to start a pinpoint function bisection: https://chromeperf.appspot.com/report?sid=2bbc31e9ede4c608fd5b55768e9e44ac7e35eae334ab5069ee258a7ac6f2a72d

Submitted disable to green the waterfall while we wait for bisection results: https://chromium-review.googlesource.com/c/chromium/src/+/1423083

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/a3565f8947a7fd6cf9a895f20ce84d441c14a936

commit a3565f8947a7fd6cf9a895f20ce84d441c14a936
Author: Caleb Rouleau <crouleau@chromium.org>
Date: Fri Jan 18 21:59:23 2019

[go/perfbot-sheriff] Disable soundcloud:2018 on webview.

TBR=perezju@chromium.org
CC=charliea@chromium.org, sullivan@chromium.org, tdresser@chromium.org, perezju@chromium.org, chrome-speed-metrics-dev@chromium.org
NOTRY=true
BUG=923527

Change-Id: I8405c78b00e71cd71378c2d912b55d9bf48e1a7d
Reviewed-on: https://chromium-review.googlesource.com/c/1423083
Reviewed-by: Caleb Rouleau <crouleau@chromium.org>
Cr-Commit-Position: refs/heads/master@{#624308}
[modify] https://crrev.com/a3565f8947a7fd6cf9a895f20ce84d441c14a936/tools/perf/expectations.config

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/14877bf6540000