ARCv2: perf: tweak overflow interrupt

Browse source

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>

...

This commit is contained in:

Vineet Gupta 2015-05-09 18:27:30 +05:30

parent ff64d695f9

commit 4d43129040

1 changed files with 14 additions and 10 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

24

arch/arc/kernel/perf_event.c

View file