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arm: perf: probe number of counters on affine CPUs
authorMark Rutland <mark.rutland@arm.com>
Wed, 13 May 2015 16:12:27 +0000 (17:12 +0100)
committerWill Deacon <will.deacon@arm.com>
Wed, 27 May 2015 15:12:36 +0000 (16:12 +0100)
In heterogeneous systems, the number of counters may differ across
clusters. To find the number of counters for a cluster, we must probe
the PMU from a CPU in that cluster.

Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
arch/arm/kernel/perf_event_v7.c patch | blob | history

diff --cc arch/arm/kernel/perf_event_v7.c
Simple merge
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