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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2010-03-02 16:01:10 +0100
committerRobert Richter <robert.richter@amd.com>2010-03-02 17:03:20 +0100
commitbc078e4eab65f11bbaeed380593ab8151b30d703 (patch)
tree8d61457355fad4e5b5938cd7c01a1dd379778789 /net
parentcfc9c0b450176a077205ef39092f0dc1a04e020a (diff)
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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>
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