Reviewers: Yang, danno,
Message:
Could you have a look?
Description:
Linux perf tool support update + refactoring.
This adds timestamps to allow profiling with code space reuse. Also a
couple of
updates to reflect the changes in the JIT perf interface + a move of the
perf-related stuff into separate files.
Unfortunately, the change only works with the latest patch to the perf tool
from a Linux perf tool contributor (Stephane Eranian).
BUG=
Please review this at https://codereview.chromium.org/255803003/
SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files (+399, -171 lines):
M src/flag-definitions.h
M src/isolate.cc
M src/log.cc
A src/perf-jit.h
A src/perf-jit.cc
M src/platform.h
M src/platform-posix.cc
M src/platform-win32.cc
A src/third_party/kernel/tools/perf/util/jitdump.h
M tools/gyp/v8.gyp
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