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(parent: ff64d69) | patch
ARCv2: perf: tweak overflow interrupt
authorVineet Gupta <vgupta@synopsys.com>
Sat, 9 May 2015 12:57:30 +0000 (18:27 +0530)
committerVineet Gupta <vgupta@synopsys.com>
Tue, 21 Nov 2017 23:20:31 +0000 (15:20 -0800)
commit4d431290402c8d867af7ba45ee75407d68748c4a
tree5105c19adb9b0834c359706f0a41b1a96b34fda2tree | snapshot
parentff64d695f92123f7d341473921a46add51a44a87commit | diff
ARCv2: perf: tweak overflow interrupt

Current perf ISR loops thru all 32 counters, checking for each if it
caused the interrupt. Instead only loop thru counters which actually
interrupted (typically 1).

Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
arch/arc/kernel/perf_event.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)