Revision: 6898
Author: [email protected]
Date: Tue Feb 22 07:02:43 2011
Log: Deleting wiki page V8Oprofile.
http://code.google.com/p/v8/source/detail?r=6898
Deleted:
/wiki/V8Oprofile.wiki
=======================================
--- /wiki/V8Oprofile.wiki Tue Jun 16 06:08:29 2009
+++ /dev/null
@@ -1,101 +0,0 @@
-#summary Profiling V8 Using OProfile.
-
-= Introduction =
-
-V8 supports profiling using OProfile through an OProfile agent for
handling dynamically generated code together with the statically compiled
code.
-
-= Requirements =
-OProfile version 0.9.4 or higher is required as this is the first version
with support for dynamically generated code (through the JIT API). As V8 is
currently only 32-bit, a 32-bit version of the OProfile and its agent
library is required. This includes the libraries that OProfile depends on
to be 32-bit as well.
-
-= Build =
-
-V8 must be built with `ENABLE_LOGGING_AND_PROFILING` and
`ENABLE_OPROFILE_AGENT` in order to be used with OProfile.
`ENABLE_LOGGING_AND_PROFILING` is defined by default and
`ENABLE_OPROFILE_AGENT` will be defined by adding the option
`prof=oprofile` to the SCons build.
-
-{{{
-scons prof=oprofile
-}}}
-
-= Command Line =
-
-To profile using OProfile, use the `--prof=oprofile` option to enable the
OProfile agent in V8. If V8 is build without OProfile support and the
option `--prof=oprofile` is passed a warning is issued.
-
-{{{
-./shell --prof=oprofile script.js
-}}}
-
-OProfile currently doesn't support code moving around. To avoid this
happening in V8 while profiling the `--oprofile` flag automatically
disables code moving by setting the `--never-compact` flag.
-
-= OProfile Utility Scripts =
-
-To avoid using the native OProfile commands a number of OProfile utility
scripts is available in `tools/oprofile`.
-
-To profile running the JavaScript file `script.js` using the V8 release
mode
-shell (assuming it is build passing `prof=oprofile` to the SCons build).
The
-following commands can be used:
-
-{{{
-tools/oprofile/start
-tools/oprofile/run script.js
-tools/oprofile/report | less
-tools/oprofile/annotate | less
-tools/oprofile/shutdown
-}}}
-
-For all the commands taking an executable the latter is expected to be
-a binary using V8. If no executable is specified the release mode V8 shell
-will be used.
-
-By default the `--session-dir=/tmp/oprofv8` is passed to all OProfile
-commands. This value can be changed by setting environment variable
-`OPROFILE_SESSION_DIR`.
-
-When using the default executable (V8 shell in release mode) it is assumed
-to be located in `../..` relative from the OProfile utility scripts (V8
repository root). This default location can be overridden using the
`V8_SHELL_DIR` environment
-variable.
-
-=== Start the OProfile daemon ===
-{{{
-tools/oprofile/start
-}}}
-
-=== Profile V8 Executable ===
-Profile a V8 executable. Running this will reset OProfile samples, run the
-command and do an OProfile dump to flush samples and write ELF binaries for
-the generated code. The parameters are passed to the executable together
-with the `--oprofile` option.
-
-{{{
-tools/oprofile/run [executable] [parameters]
-}}}
-
-=== Generate Profile Report ===
-Print the report for a profile run. The parameters are passed to
`opreport`.
-E.g `report --callgraph`.
-{{{
-tools/oprofile/report [executable] [parameters]
-}}}
-
-=== Generate Annotated Code Report ===
-Print annotated assembly for a profile run. The parameters are passed to
-`opannotate`. E.g `annotate -threshold 1`.
-{{{
-annotate [executable] [parameters]
-}}}
-
-=== Reset OProfile Samples ===
-{{{
-tools/oprofile/reset
-}}}
-As this is done automatically when using `run` running this is normally
not required.
-
-=== Flush OProfile Samples ===
-Flush OProfile samples and write ELF binaries for the generated code.
Running this is required for including the generated code in the reports
produced by `report`and `annotate`. When using `run` the OProfile samples
are automatically flushed.
-{{{
-tools/oprofile/dump
-}}}
-As this is done automatically when using `run` running this is normally
not required.
-
-=== Shutdown OProfile Daemon ===
-{{{
-tools/oprofile/shutdown
-}}}
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