Bug 270178
| Summary: | Bump the QoS of the IPC receive queue in the UIProcess | ||
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| Product: | WebKit | Reporter: | Chris Dumez <cdumez> |
| Component: | WebKit2 | Assignee: | Chris Dumez <cdumez> |
| Status: | RESOLVED FIXED | ||
| Severity: | Normal | CC: | kkinnunen, webkit-bug-importer |
| Priority: | P2 | Keywords: | InRadar |
| Version: | WebKit Nightly Build | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
Chris Dumez
Bump the QoS of the IPC receive queue in the UIProcess. The IPC receive queue was running at a much lower QoS than the main thread, potentially causing delay in some performance-sensitive tasks. We've seen examples (see radar) of the main thread hanging, waiting on the IPC receive queue to release a lock for e.g.
This tested as performance-neutral on most benchmarks. However, this tested as a ~0.7% progression on PLT5 on Apple Silicon.
| Attachments | ||
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| Add attachment proposed patch, testcase, etc. |
Chris Dumez
<rdar://120745771>
Chris Dumez
Pull request: https://github.com/WebKit/WebKit/pull/25179
EWS
Committed 275462@main (a1ec0afd0898): <https://commits.webkit.org/275462@main>
Reviewed commits have been landed. Closing PR #25179 and removing active labels.