1765402 - Emit ETW events for mapping JITed code to method names

Status: RESOLVED FIXED

(Core :: JavaScript Engine: JIT, enhancement, P3)

Description

[Jeff Muizelaar [:jrmuizel]]

It's common to use the JScript SourceLoad and MethodLoad` events for this:

https://bugs.chromium.org/p/v8/issues/detail?id=11043

https://chromium.googlesource.com/v8/v8/+/88926769783fecb3bd3b08a7a0cb702b037d9f85/src/diagnostics/system-jit-win.cc

https://github.com/Zhentar/UnityEtwSymbols/blob/e3614341a9553b2c916c9ebb12ace4a0eb46291b/etwSymbols.c

https://github.com/chakra-core/ChakraCore/blob/1eae003b7a981b4b691928daef27b5254a49f5eb/lib/Runtime/Language/AsmJsEncoder.cpp#L246

Comment 1

[Nicolas B. Pierron [:nbp]]

Glossary:
ETW stands for Event Tracing for Windows

Comment 2

[Bas Schouten (:bas.schouten)]

Attachment: Bug 1765402: Emit ETW events for mapping JITed code to method names. r=dpalmeiro

Depends on D170153

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/cba57f10c485
Emit ETW events for mapping JITed code to method names. r=dpalmeiro

Comment 4

[Norisz Fay [:noriszfay]]

https://hg.mozilla.org/mozilla-central/rev/cba57f10c485