Reviewers: Sven Panne, Michael Starzinger, ulan,
Message:
PTAL
Description:
Replace OS::Ticks() with Stopwatch utility class.
OS::Ticks() was used to measure elapsed time in microseconds, which
is now properly encapsulated in the Stopwatch class. Stopwatch uses
a monotonic clock if available, falling back to the realtime clock
if no monotonic timer is available.
This also fixes the issue on Windows where timeGetTime() was used
to implement OS::Ticks(), which overflows every 49 days.
Please review this at https://codereview.chromium.org/23183003/
SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files:
M src/compiler.h
M src/compiler.cc
M src/counters.h
M src/counters.cc
M src/deoptimizer.cc
M src/log.h
M src/log.cc
M src/optimizing-compiler-thread.cc
M src/parser.cc
M src/platform-linux.cc
M src/platform-macos.cc
M src/platform-nullos.cc
M src/platform-openbsd.cc
M src/platform-posix.cc
M src/platform-win32.cc
M src/platform.h
M src/profile-generator.h
M src/profile-generator.cc
A src/utils/stopwatch-macos.cc
A src/utils/stopwatch-posix.cc
A src/utils/stopwatch-win32.cc
A src/utils/stopwatch.h
M test/cctest/test-cpu-profiler.cc
M tools/gyp/v8.gyp
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