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authorThomas Gleixner <tglx@linutronix.de>2008-12-09 15:43:39 -0500
committerIngo Molnar <mingo@elte.hu>2008-12-11 09:45:45 -0500
commit4ac13294e44664bb7edf4daf52edb71e7c6bbe84 (patch)
treeaccb533350a655e39a8ab846abc37018b2f87ccf /scripts/rt-tester/t5-l4-pi-boost-deboost-setsched.tst
parent43874d238d5f208854a73c3225ca2a22833eec8b (diff)
perf counters: protect them against CSTATE transitions
Impact: fix rare lost events problem There are CPUs whose performance counters misbehave on CSTATE transitions, so provide a way to just disable/enable them around deep idle methods. (hw_perf_enable_all() is cheap on x86.) Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'scripts/rt-tester/t5-l4-pi-boost-deboost-setsched.tst')
0 files changed, 0 insertions, 0 deletions