diff options
| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2009-04-06 11:45:07 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-07 10:48:58 +0200 |
| commit | 79f146415623fe74f39af67c0f6adc208939a410 (patch) | |
| tree | 2b8b3ac045b21cce1169b55bd298a93dba4a19b3 /include/linux/sysrq.h | |
| parent | 339f7c90b8a2f3aa2dd4267e79f797999e8a3c59 (diff) | |
perf_counter: counter overflow limit
Provide means to auto-disable the counter after 'n' overflow events.
Create the counter with hw_event.disabled = 1, and then issue an
ioctl(fd, PREF_COUNTER_IOC_REFRESH, n); to set the limit and enable
the counter.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
LKML-Reference: <20090406094518.083139737@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/sysrq.h')
0 files changed, 0 insertions, 0 deletions