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authorWill Deacon2015-12-22 15:42:57 +0100
committerWill Deacon2015-12-22 15:42:57 +0100
commitabff083ce2046b4d55211c1db5992ec2dd391f3d (patch)
tree71d68d01315e37875b6811a7786bc065334724dc /arch/arm64/kernel/perf_event.c
parentarm64: kernel: enforce pmuserenr_el0 initialization and restore (diff)
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ARM: perf: add format entry to describe event -> config mapping
It's all very well providing an events directory to userspace that details our events in terms of "event=0xNN", but if we don't define how to encode the "event" field in the perf attr.config, then it's a waste of time. This patch adds a single format entry to describe that the event field occupies the bottom 8 bits of our config field on ARMv7. Signed-off-by: Will Deacon <will.deacon@arm.com>
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