other gpu folks: every once in a while, we have hardware problem that make the benchmarks do software rendering instead of hardware rendering. The problem go unnoticed until someone have to deal with their regression. Adding this flag will allow detecting those kind of issues early.

The following revision refers to this bug:
  https://chromium.googlesource.com/catapult/+/e9d7835c44ed3fe903838bae5930951d725ea9fa

commit e9d7835c44ed3fe903838bae5930951d725ea9fa
Author: Nghia Nguyen <nednguyen@google.com>
Date: Tue Apr 03 22:59:27 2018

Add --assert-gpu-compositing flag to Telemetry

This flags allows raising error upon detecting browser not using GPU compositing.
This is useful for detecting hardware misconfiguration that makes the browser use software path for compositing instead of GPU

Bug:  chromium:771597 
Change-Id: I8fcc421d969896526a254ec157c4e6d9032cf983
Reviewed-on: https://chromium-review.googlesource.com/963481
Commit-Queue: Ned Nguyen <nednguyen@google.com>
Reviewed-by: Juan Antonio Navarro Pérez <perezju@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>

[add] https://crrev.com/e9d7835c44ed3fe903838bae5930951d725ea9fa/telemetry/telemetry/internal/backends/chrome/gpu_compositing_checker.py
[modify] https://crrev.com/e9d7835c44ed3fe903838bae5930951d725ea9fa/telemetry/telemetry/internal/backends/chrome/android_browser_finder.py
[modify] https://crrev.com/e9d7835c44ed3fe903838bae5930951d725ea9fa/telemetry/telemetry/internal/backends/chrome/cros_browser_finder.py
[add] https://crrev.com/e9d7835c44ed3fe903838bae5930951d725ea9fa/telemetry/telemetry/internal/backends/chrome/gpu_compositing_checker_unittest.py
[modify] https://crrev.com/e9d7835c44ed3fe903838bae5930951d725ea9fa/telemetry/telemetry/internal/backends/chrome/desktop_browser_finder.py
[modify] https://crrev.com/e9d7835c44ed3fe903838bae5930951d725ea9fa/telemetry/telemetry/internal/browser/browser_options.py

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/5dde0aaa939076144ba4baef956e9b00df700f0c

commit 5dde0aaa939076144ba4baef956e9b00df700f0c
Author: catapult-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com <catapult-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Date: Wed Apr 04 03:20:16 2018

Roll src/third_party/catapult/ 1fcfd9b6d..e13394ffe (5 commits)

https://chromium.googlesource.com/catapult.git/+log/1fcfd9b6d53d..e13394ffef36

$ git log 1fcfd9b6d..e13394ffe --date=short --no-merges --format='%ad %ae %s'
2018-03-30 dtu [pinpoint] Separate RunTest Quest into Telemetry and GTest Quests.
2018-04-03 simonhatch Dashboard - Default row error to 0.0 for histograms.
2018-04-03 simonhatch Dashboard - Ignore tir_label for summary statistics test paths.
2018-04-03 simonhatch Dashboard - Use a_stdio_uri not a_stdio_url
2018-04-03 nednguyen Add --assert-gpu-compositing flag to Telemetry

Created with:
  roll-dep src/third_party/catapult
BUG= chromium:771597 


The AutoRoll server is located here: https://catapult-roll.skia.org

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.


TBR=sullivan@chromium.org

Change-Id: I4309868ba184cf176edf8cec2f716d5b97420183
Reviewed-on: https://chromium-review.googlesource.com/994584
Reviewed-by: catapult-chromium-autoroll <catapult-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: catapult-chromium-autoroll <catapult-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#547963}
[modify] https://crrev.com/5dde0aaa939076144ba4baef956e9b00df700f0c/DEPS

Do we need to make changes to make sure rendering.desktop/mobile benchmarks are run with --assert-gpu-compositing flag turned on in the perf bots?

sadrul@: yes we do. If someone can remind which builders are supposed to have GPU rendering, I am happy to add the extra flag.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/b0aae2d4f29b5a6d59e16260f81d19a8629a7e12

commit b0aae2d4f29b5a6d59e16260f81d19a8629a7e12
Author: Ned Nguyen <nednguyen@google.com>
Date: Fri Jul 13 01:32:02 2018

Assert gpu-compositing for all Mac, Linux perf bots, all Win 10 and win 7 nvidia gpu perf

Bug:  771597 
Cq-Include-Trybots: master.tryserver.chromium.perf:obbs_fyi
Change-Id: I6c56cc352acf0b00bc526dd032d5f9af5bbc2cd2
Reviewed-on: https://chromium-review.googlesource.com/1135873
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Commit-Queue: Ned Nguyen <nednguyen@google.com>
Cr-Commit-Position: refs/heads/master@{#574802}
[modify] https://crrev.com/b0aae2d4f29b5a6d59e16260f81d19a8629a7e12/testing/buildbot/chromium.perf.json
[modify] https://crrev.com/b0aae2d4f29b5a6d59e16260f81d19a8629a7e12/tools/perf/core/perf_data_generator.py

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/ba3e91b791530112940c9c55efc561156e9262f9

commit ba3e91b791530112940c9c55efc561156e9262f9
Author: Ned Nguyen <nednguyen@google.com>
Date: Fri Jul 13 12:28:24 2018

Enable --assert-gpu-compositing flag for all Android bots

Bug:  771597 
Change-Id: I432d1f2d39745f311c4aba259bce8d1a080e48ba
Reviewed-on: https://chromium-review.googlesource.com/1136431
Reviewed-by: Juan Antonio Navarro Pérez <perezju@chromium.org>
Commit-Queue: Ned Nguyen <nednguyen@google.com>
Cr-Commit-Position: refs/heads/master@{#574886}
[modify] https://crrev.com/ba3e91b791530112940c9c55efc561156e9262f9/testing/buildbot/chromium.perf.json
[modify] https://crrev.com/ba3e91b791530112940c9c55efc561156e9262f9/tools/perf/core/perf_data_generator.py