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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2010-03-02 16:01:10 +0100 |
|---|---|---|
| committer | Robert Richter <robert.richter@amd.com> | 2010-03-02 17:03:20 +0100 |
| commit | bc078e4eab65f11bbaeed380593ab8151b30d703 (patch) | |
| tree | 8d61457355fad4e5b5938cd7c01a1dd379778789 /README | |
| parent | cfc9c0b450176a077205ef39092f0dc1a04e020a (diff) | |
| download | kernel_samsung_tuna-bc078e4eab65f11bbaeed380593ab8151b30d703.zip kernel_samsung_tuna-bc078e4eab65f11bbaeed380593ab8151b30d703.tar.gz kernel_samsung_tuna-bc078e4eab65f11bbaeed380593ab8151b30d703.tar.bz2 | |
oprofile: convert oprofile from timer_hook to hrtimer
Oprofile is currently broken on systems running with NOHZ enabled.
A maximum of 1 tick is accounted via the timer_hook if a cpu sleeps
for a longer period of time. This does bad things to the percentages
in the profiler output. To solve this problem convert oprofile to
use a restarting hrtimer instead of the timer_hook.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Robert Richter <robert.richter@amd.com>
Diffstat (limited to 'README')
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