perf_counter: Optimize sched in/out of counters
authorPeter Zijlstra <a.p.zijlstra@chello.nl>
Wed, 20 May 2009 10:21:22 +0000 (12:21 +0200)
committerIngo Molnar <mingo@elte.hu>
Wed, 20 May 2009 10:43:34 +0000 (12:43 +0200)
commitafedadf23a2c90f3ba0d963282cbe6a6be129494
tree3fa284b19482158c0a8dab8fa79bf41180ebd256
parentb986d7ec0f8b7ea3cc7366d80a137fbe839df227
perf_counter: Optimize sched in/out of counters

Avoid a function call for !group counters by directly calling the counter
function.

[ Impact: micro-optimize the code ]

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: John Kacur <jkacur@redhat.com>
LKML-Reference: <20090520102553.511933670@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
kernel/perf_counter.c