commit | 44483152c53335a7954b68f4be51c98ddf3f838d | [log] [tgz] |
---|---|---|
author | Andrew Comminos <acomminos@fb.com> | Wed Feb 13 04:34:19 2019 |
committer | Commit Bot <commit-bot@chromium.org> | Wed Feb 13 09:29:38 2019 |
tree | 9f7c804bd018f000cf78cccc159f5321f38d9aa5 | |
parent | 6e05eefe7861512f4fb48ac64c33ed0400088fba [diff] |
[cpu-profiler] Only record SIGPROF-based samples for samplers that request samples Sets an atomic field on each sampler when it requests a sample, to be checked when the SIGPROF handler is executed. A counter is not used since signals may be coalesced. Prior to this change, all samplers attached to an isolate received samples when other samplers sent SIGPROF to the VM thread. This change alters the behaviour of different CpuProfiler instances on the same isolate to be in line with the Windows / Fuchsia behaviour. Bug: v8:8835 Change-Id: I0caaa845b596efc9d8b1cd7716c067d9a6359c57 Reviewed-on: https://chromium-review.googlesource.com/c/1468941 Commit-Queue: Peter Marshall <petermarshall@chromium.org> Reviewed-by: Peter Marshall <petermarshall@chromium.org> Reviewed-by: Alexei Filippov <alph@chromium.org> Cr-Commit-Position: refs/heads/master@{#59545}
V8 is Google's open source JavaScript engine.
V8 implements ECMAScript as specified in ECMA-262.
V8 is written in C++ and is used in Google Chrome, the open source browser from Google.
V8 can run standalone, or can be embedded into any C++ application.
V8 Project page: https://github.com/v8/v8/wiki
Checkout depot tools, and run
fetch v8
This will checkout V8 into the directory v8
and fetch all of its dependencies. To stay up to date, run
git pull origin gclient sync
For fetching all branches, add the following into your remote configuration in .git/config
:
fetch = +refs/branch-heads/*:refs/remotes/branch-heads/* fetch = +refs/tags/*:refs/tags/*
Please follow the instructions mentioned on the V8 wiki.