Bug 282535 – [WPE][GTK][WTF] Add support for tracing counters with Sysprof

• Status: RESOLVED
• Resolution: FIXED
• Component: WPE WebKit

[Georges Basile Stavracas Neto]

This allows e.g. monitoring how many buffers are on flight, or the FPS over time.

[Georges Basile Stavracas Neto]

Pull request: https://github.com/WebKit/WebKit/pull/36123

[EWS]

Committed 293020@main (e812b451c525): <https://commits.webkit.org/293020@main>

Reviewed commits have been landed. Closing PR #36123 and removing active labels.

[Diego Pino]

The patch caused a build error on Debian and Ubuntu post-commit bots:

https://build.webkit.org/#/builders/46/builds/49508

```
                 from /home/buildbot/worker/GTK-Linux-64-bit-Release-Debian-12-Build/build/Source/JavaScriptCore/wasm/js/WebAssemblyFunction.cpp:56,
                 from /home/buildbot/worker/GTK-Linux-64-bit-Release-Debian-12-Build/build/WebKitBuild/GTK/Release/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-15db4ad9-9.cpp:7:
/home/buildbot/worker/GTK-Linux-64-bit-Release-Debian-12-Build/build/WebKitBuild/GTK/Release/WTF/Headers/wtf/glib/SysprofAnnotator.h: In member function ‘void WTF::SysprofAnnotator::setCounter(std::span<const char>, int64_t)’:
/home/buildbot/worker/GTK-Linux-64-bit-Release-Debian-12-Build/build/WebKitBuild/GTK/Release/WTF/Headers/wtf/glib/SysprofAnnotator.h:265:13: error: ‘strlcpy’ was not declared in this scope; did you mean ‘strncpy’?
  265 |             strlcpy(counter.category, m_processName.characters(), sizeof counter.category);
      |             ^~~~~~~
```

[Diego Pino]

Re-opening for pull request https://github.com/WebKit/WebKit/pull/43453

[EWS]

Committed 293090@main (37790f401c18): <https://commits.webkit.org/293090@main>

Reviewed commits have been landed. Closing PR #43453 and removing active labels.