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| author | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-07-02 14:39:09 +0200 |
|---|---|---|
| committer | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-07-02 14:39:09 +0200 |
| commit | d2f6409584e2c62ffad81690562330ff3bf4a458 (patch) | |
| tree | 3bdfb97d0b51be2f7f414f2107e97603c1206abb /Documentation/basic_profiling.txt | |
| parent | AUDIT: Use KERN_NOTICE for printk of audit records (diff) | |
| parent | [PATCH] alpha smp fix (part #2) (diff) | |
| download | linux-d2f6409584e2c62ffad81690562330ff3bf4a458.tar.xz linux-d2f6409584e2c62ffad81690562330ff3bf4a458.zip | |
Merge with master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-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. |