Update GPU pixel wrangling documentation
Updates the GPU pixel wrangling documentation to point out
//content/test/gpu/trim_culprit_cls.py as a potentially useful tool and
updates the script's documentation to include example usages.
Bug: 1120104
Change-Id: I2026e994408097bfee8b94984dc89e8110afba0e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2373391
Commit-Queue: Brian Sheedy <[email protected]>
Commit-Queue: Zhenyao Mo <[email protected]>
Auto-Submit: Brian Sheedy <[email protected]>
Reviewed-by: Zhenyao Mo <[email protected]>
Cr-Commit-Position: refs/heads/master@{#801232}
diff --git a/docs/gpu/pixel_wrangling.md b/docs/gpu/pixel_wrangling.md
index 06ff5af..400475f 100644
--- a/docs/gpu/pixel_wrangling.md
+++ b/docs/gpu/pixel_wrangling.md
@@ -167,6 +167,12 @@
revert message, provide a clear description of what broke, links to
failing builds, and excerpts of the failure logs, because the build
logs expire after a few days.
+ 1. If the failure is one that you believe should have been caught by an
+ optional GPU trybot, you can use the script at
+ [`//content/test/gpu/trim_culprit_cls.py`][trim culprit cls] to help
+ trim down the blamelist by finding out which CLs passed said trybot
+ before submission. See the documentation at the top of the script for
+ example usage, etc.
1. Make sure the bots are running jobs.
1. Keep an eye on the console views of the various bots.
1. Make sure the bots are all actively processing jobs. If they go offline
@@ -269,6 +275,7 @@
modifier][gtest-DISABLED] to suppress any failures if necessary.
[Sheriff-O-Matic]: https://sheriff-o-matic.appspot.com/chromium.gpu
+[trim culprit cls]: https://source.chromium.org/chromium/chromium/src/+/master:content/test/gpu/trim_culprit_cls.py
[tree sheriffing page]: https://sites.google.com/a/chromium.org/dev/developers/tree-sheriffs
[linux-rel]: https://ci.chromium.org/p/chromium/builders/luci.chromium.try/linux-rel
[luci.chromium.try]: https://ci.chromium.org/p/chromium/g/luci.chromium.try/builders
