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| author | Michael Ellerman <michael@ellerman.id.au> | 2013-07-23 12:07:45 +0400 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-08-01 07:11:46 +0400 |
| commit | 8d7c55d01e4648605fd0dacc82d8d3989ead4db7 (patch) | |
| tree | 852d175f0ddb5e40d7855fb57f7bc072f527e2b1 /arch/powerpc/perf/power8-pmu.c | |
| parent | e8e813ed268d90c1377f53460527c419eb52c67a (diff) | |
| download | linux-8d7c55d01e4648605fd0dacc82d8d3989ead4db7.tar.xz | |
powerpc/perf: Export PERF_EVENT_CONFIG_EBB_SHIFT to userspace
We use bit 63 of the event code for userspace to request that the event
be counted using EBB (Event Based Branches). Export this value, making
it part of the API - though only on processors that support EBB.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/perf/power8-pmu.c')
| -rw-r--r-- | arch/powerpc/perf/power8-pmu.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/perf/power8-pmu.c b/arch/powerpc/perf/power8-pmu.c index 7466374d2787..2ee4a707f0df 100644 --- a/arch/powerpc/perf/power8-pmu.c +++ b/arch/powerpc/perf/power8-pmu.c @@ -118,7 +118,7 @@ (EVENT_UNIT_MASK << EVENT_UNIT_SHIFT) | \ (EVENT_COMBINE_MASK << EVENT_COMBINE_SHIFT) | \ (EVENT_MARKED_MASK << EVENT_MARKED_SHIFT) | \ - (EVENT_EBB_MASK << EVENT_CONFIG_EBB_SHIFT) | \ + (EVENT_EBB_MASK << PERF_EVENT_CONFIG_EBB_SHIFT) | \ EVENT_PSEL_MASK) /* MMCRA IFM bits - POWER8 */ @@ -233,10 +233,10 @@ static int power8_get_constraint(u64 event, unsigned long *maskp, unsigned long pmc = (event >> EVENT_PMC_SHIFT) & EVENT_PMC_MASK; unit = (event >> EVENT_UNIT_SHIFT) & EVENT_UNIT_MASK; cache = (event >> EVENT_CACHE_SEL_SHIFT) & EVENT_CACHE_SEL_MASK; - ebb = (event >> EVENT_CONFIG_EBB_SHIFT) & EVENT_EBB_MASK; + ebb = (event >> PERF_EVENT_CONFIG_EBB_SHIFT) & EVENT_EBB_MASK; /* Clear the EBB bit in the event, so event checks work below */ - event &= ~(EVENT_EBB_MASK << EVENT_CONFIG_EBB_SHIFT); + event &= ~(EVENT_EBB_MASK << PERF_EVENT_CONFIG_EBB_SHIFT); if (pmc) { if (pmc > 6) |