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| author | Matt Fleming <matt@console-pimps.org> | 2010-10-03 21:41:13 +0100 |
|---|---|---|
| committer | Robert Richter <robert.richter@amd.com> | 2010-10-11 17:45:49 +0200 |
| commit | 84c7991059c9c4530cc911137c5bf508a41ed129 (patch) | |
| tree | 1fc9f7c8139f680f3d899328128a38e5087c30c7 /kernel/perf_event.c | |
| parent | 3bf101ba42a1c89b5afbc7492e7647dae5e18735 (diff) | |
| download | lwn-84c7991059c9c4530cc911137c5bf508a41ed129.tar.gz lwn-84c7991059c9c4530cc911137c5bf508a41ed129.zip | |
perf: New helper function for pmu name
Introduce perf_pmu_name() helper function that returns the name of the
pmu. This gives us a generic way to get the name of a pmu regardless of
how an architecture identifies it internally.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Robert Richter <robert.richter@amd.com>
Diffstat (limited to 'kernel/perf_event.c')
| -rw-r--r-- | kernel/perf_event.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/perf_event.c b/kernel/perf_event.c index 403d1804b198..e2534691db0d 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -85,6 +85,11 @@ void __weak hw_perf_enable(void) { barrier(); } void __weak perf_event_print_debug(void) { } +extern __weak const char *perf_pmu_name(void) +{ + return "pmu"; +} + static DEFINE_PER_CPU(int, perf_disable_count); void perf_disable(void) |