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| author | Ben Segall <bsegall@google.com> | 2012-10-04 12:51:20 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-10-24 10:27:20 +0200 |
| commit | 18bf2805d9b30cb823d4919b42cd230f59c7ce1f (patch) | |
| tree | a3a820f6dc5f79ff7569f8fe0d60904e9657fb5a /kernel/sched/debug.c | |
| parent | sched: Track the runnable average on a per-task entity basis (diff) | |
| download | linux-18bf2805d9b30cb823d4919b42cd230f59c7ce1f.tar.xz linux-18bf2805d9b30cb823d4919b42cd230f59c7ce1f.zip | |
sched: Maintain per-rq runnable averages
Since runqueues do not have a corresponding sched_entity we instead embed a
sched_avg structure directly.
Signed-off-by: Ben Segall <bsegall@google.com>
Reviewed-by: Paul Turner <pjt@google.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20120823141506.442637130@google.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/debug.c')
| -rw-r--r-- | kernel/sched/debug.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 61f70979153a..4240abce4116 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -61,14 +61,20 @@ static unsigned long nsec_low(unsigned long long nsec) static void print_cfs_group_stats(struct seq_file *m, int cpu, struct task_group *tg) { struct sched_entity *se = tg->se[cpu]; - if (!se) - return; #define P(F) \ SEQ_printf(m, " .%-30s: %lld\n", #F, (long long)F) #define PN(F) \ SEQ_printf(m, " .%-30s: %lld.%06ld\n", #F, SPLIT_NS((long long)F)) + if (!se) { + struct sched_avg *avg = &cpu_rq(cpu)->avg; + P(avg->runnable_avg_sum); + P(avg->runnable_avg_period); + return; + } + + PN(se->exec_start); PN(se->vruntime); PN(se->sum_exec_runtime); |