perf_counter, sched: Add sched_stat_runtime tracepoint
authorIngo Molnar <mingo@elte.hu>
Sun, 13 Sep 2009 16:15:54 +0000 (18:15 +0200)
committerIngo Molnar <mingo@elte.hu>
Sun, 13 Sep 2009 16:17:28 +0000 (18:17 +0200)
commitf977bb4937857994312fff4f9c2cad336a36a932
treece4736f585cfb9ecb3f959f6fe77997852dd00e3
parentc13f0d3c8165e9592102687fa999da0a0d9c3724
perf_counter, sched: Add sched_stat_runtime tracepoint

This allows more precise tracking of how the scheduler accounts
(and acts upon) a task having spent N nanoseconds of CPU time.

Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
include/trace/events/sched.h
kernel/sched_fair.c