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| author | Ingo Molnar <mingo@elte.hu> | 2008-12-21 13:50:42 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-23 12:45:19 +0100 |
| commit | 95cdd2e7851cce79ab839cb0b3cbe68d7911d0f1 (patch) | |
| tree | fad7723f344027dd64a1ca44d0117c3da61b75ca /include/linux/perf_counter.h | |
| parent | 78b6084c907cea15bb40a564b974e072f5163781 (diff) | |
| download | linux-stable-95cdd2e7851cce79ab839cb0b3cbe68d7911d0f1.tar.gz linux-stable-95cdd2e7851cce79ab839cb0b3cbe68d7911d0f1.tar.bz2 linux-stable-95cdd2e7851cce79ab839cb0b3cbe68d7911d0f1.zip | |
perfcounters: enable lowlevel pmc code to schedule counters
Allow lowlevel ->enable() op to return an error if a counter can not be
added. This can be used to handle counter constraints.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/perf_counter.h')
| -rw-r--r-- | include/linux/perf_counter.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h index 48f76d2e54c2..53af11d3767b 100644 --- a/include/linux/perf_counter.h +++ b/include/linux/perf_counter.h @@ -128,7 +128,7 @@ struct perf_counter; * struct hw_perf_counter_ops - performance counter hw ops */ struct hw_perf_counter_ops { - void (*enable) (struct perf_counter *counter); + int (*enable) (struct perf_counter *counter); void (*disable) (struct perf_counter *counter); void (*read) (struct perf_counter *counter); }; |