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| author | Anton Altaparmakov <aia21@cantab.net> | 2005-06-25 14:27:27 +0100 |
|---|---|---|
| committer | Anton Altaparmakov <aia21@cantab.net> | 2005-06-25 14:27:27 +0100 |
| commit | 38b22b6e9f46ab8f73ef5734f0e0a000766a9258 (patch) | |
| tree | 2ccc41ef55918d3af43e444bde7648562a031559 /Documentation/basic_profiling.txt | |
| parent | 3357d4c75f1fb67e7304998c4ad4e9a9fed66fa4 (diff) | |
| parent | b3e112bcc19abd8e9657dca34a87316786e096f3 (diff) | |
| download | linux-rt-38b22b6e9f46ab8f73ef5734f0e0a000766a9258.tar.gz | |
Automerge with /usr/src/ntfs-2.6.git.
Diffstat (limited to 'Documentation/basic_profiling.txt')
| -rw-r--r-- | Documentation/basic_profiling.txt | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/Documentation/basic_profiling.txt b/Documentation/basic_profiling.txt index 65e3dc2d4437..8764e9f70821 100644 --- a/Documentation/basic_profiling.txt +++ b/Documentation/basic_profiling.txt @@ -27,9 +27,13 @@ dump output readprofile -m /boot/System.map > captured_profile Oprofile -------- -Get the source (I use 0.8) from http://oprofile.sourceforge.net/ -and add "idle=poll" to the kernel command line + +Get the source (see Changes for required version) from +http://oprofile.sourceforge.net/ and add "idle=poll" to the kernel command +line. + Configure with CONFIG_PROFILING=y and CONFIG_OPROFILE=y & reboot on new kernel + ./configure --with-kernel-support make install @@ -46,7 +50,7 @@ start opcontrol --start stop opcontrol --stop dump output opreport > output_file -To only report on the kernel, run opreport /boot/vmlinux > output_file +To only report on the kernel, run opreport -l /boot/vmlinux > output_file A reset is needed to clear old statistics, which survive a reboot. |