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vitalyr@chromium.org a9ea3f98b0 ll_prof: Reduce profiling hooks overhead from >400% to 25%. 
Switched to using binary low-level log instead of the textual log used
by the ticks processor. The binary log contains code-related events,
code object names, and their bodies. When writing to the log we ask
glibc to use a larger buffer. To avoid complex processing of the
snapshot log (which is still textual) the serializer emits final
snapshot position to code name mappings that can be quickly be read
without replaying the snapshot log. (This might be useful for the
ticks processor.)

Review URL: http://codereview.chromium.org/6904127

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7729 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2011-04-29 16:06:25 +00:00
..
gcmole Add GCMole to the repository. 2011-04-07 12:38:16 +00:00
gyp Add support for startup data (snapshot) compression. 2011-04-29 12:08:33 +00:00
oom_dump Add os_error stat to oom_dump utility. 2010-08-30 12:26:58 +00:00
v8.xcodeproj Bring test262 expectations up-to-date. 2011-04-11 13:54:30 +00:00
visual_studio Fast TLS support. 2011-03-27 16:14:20 +00:00
codemap.js Shorten constructor names in JS tickprocessor. 2011-02-10 07:47:28 +00:00
consarray.js TickProcessor script reimplemented in JavaScript. 2009-04-27 13:50:42 +00:00
csvparser.js Shorten constructor names in JS tickprocessor. 2011-02-10 07:47:28 +00:00
disasm.py grokdump: Simple windows minidump analysis on linux. 2011-02-22 14:25:26 +00:00
freebsd-tick-processor * Fix build errors on FreeBSD 8.2 2011-03-16 11:15:43 +00:00
gc-nvp-trace-processor.py Merge flush code phase into marking phase. 2010-08-17 11:44:01 +00:00
generate-ten-powers.scm Fast double-to-ascii conversion. 2010-03-11 14:49:35 +00:00
grokdump.py grokdump: Simple windows minidump analysis on linux. 2011-02-22 14:25:26 +00:00
js2c.py Introduce experimental natives that are enabled by a runtime flag. 2011-04-15 12:31:03 +00:00
jsmin.py Inline a number of simple date computations. 2010-01-08 07:49:07 +00:00
linux-tick-processor * Fix build errors on FreeBSD 8.2 2011-03-16 11:15:43 +00:00
ll_prof.py ll_prof: Reduce profiling hooks overhead from >400% to 25%. 2011-04-29 16:06:25 +00:00
logreader.js Shorten constructor names in JS tickprocessor. 2011-02-10 07:47:28 +00:00
mac-nm Fix mac-nm script to support filenames w/spaces 2009-08-13 14:03:12 +00:00
mac-tick-processor Implement shared libraries logging on Mac OS X, added required support in Tick Processor. 2009-07-14 05:01:06 +00:00
presubmit.py Working stand-alone preparser. 2010-11-24 09:57:06 +00:00
process-heap-prof.py Report both size and count from the heap profile processor 2009-11-10 10:18:41 +00:00
profile_view.js Shorten constructor names in JS tickprocessor. 2011-02-10 07:47:28 +00:00
profile.js Fix CPU profiling for Crankshaft. 2011-02-22 16:31:24 +00:00
run-valgrind.py Changed valgrind script to match changed output format 2009-09-17 12:13:08 +00:00
splaytree.js Shorten constructor names in JS tickprocessor. 2011-02-10 07:47:28 +00:00
stats-viewer.py tools/stats-viewer.py: add counter filter. 2010-06-29 11:30:34 +00:00
test.py ARM: Support hardfloat in SCons build and make it a build time setting 2011-04-29 08:50:38 +00:00
tickprocessor-driver.js Fix issue 571: display descriptive names for code objects from snapshot. 2010-01-18 16:04:25 +00:00
tickprocessor.js Add initialization for has_external_callback field. 2011-03-30 13:30:52 +00:00
utils.py Cygwin support 2011-02-17 16:33:10 +00:00
windows-tick-processor.bat Make windows-tick-processor respect D8_PATH. 2010-10-25 15:04:08 +00:00