Messages in this thread Patch in this message | | | Date | Fri, 18 Feb 2011 18:16:46 +0530 | From | Ciju Rajan K <> | Subject | [PATCH 1/2 v3.0]sched: Removing unused fields from /proc/schedstat |
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From: Ciju Rajan K <ciju@linux.vnet.ibm.com> Date: Fri, 18 Feb 2011 16:31:12 +0530 Subject: [PATCH 1/2 v3.0] sched: Updating the fields of /proc/schedstat
This patch removes the unused statistics from /proc/schedstat. Also updates the request queue structure fields.
Signed-off-by: Ciju Rajan K <ciju@linux.vnet.ibm.com> --- include/linux/sched.h | 11 ----------- kernel/sched_debug.c | 1 - kernel/sched_stats.h | 13 +++++-------- 3 files changed, 5 insertions(+), 20 deletions(-)
diff --git a/include/linux/sched.h b/include/linux/sched.h index 23e9c27..a1691c7 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -954,20 +954,9 @@ struct sched_domain { unsigned int alb_failed; unsigned int alb_pushed; - /* SD_BALANCE_EXEC stats */ - unsigned int sbe_count; - unsigned int sbe_balanced; - unsigned int sbe_pushed; - - /* SD_BALANCE_FORK stats */ - unsigned int sbf_count; - unsigned int sbf_balanced; - unsigned int sbf_pushed; - /* try_to_wake_up() stats */ unsigned int ttwu_wake_remote; unsigned int ttwu_move_affine; - unsigned int ttwu_move_balance; #endif #ifdef CONFIG_SCHED_DEBUG char *name; diff --git a/kernel/sched_debug.c b/kernel/sched_debug.c index 7bacd83..726b306 100644 --- a/kernel/sched_debug.c +++ b/kernel/sched_debug.c @@ -286,7 +286,6 @@ static void print_cpu(struct seq_file *m, int cpu) P(yld_count); - P(sched_switch); P(sched_count); P(sched_goidle); #ifdef CONFIG_SMP diff --git a/kernel/sched_stats.h b/kernel/sched_stats.h index 48ddf43..8869ed9 100644 --- a/kernel/sched_stats.h +++ b/kernel/sched_stats.h @@ -4,7 +4,7 @@ * bump this up when changing the output format or the meaning of an existing * format, so that tools can adapt (or abort) */ -#define SCHEDSTAT_VERSION 15 +#define SCHEDSTAT_VERSION 16 static int show_schedstat(struct seq_file *seq, void *v) { @@ -26,9 +26,9 @@ static int show_schedstat(struct seq_file *seq, void *v) /* runqueue-specific stats */ seq_printf(seq, - "cpu%d %u %u %u %u %u %u %llu %llu %lu", + "cpu%d %u %u %u %u %u %llu %llu %lu", cpu, rq->yld_count, - rq->sched_switch, rq->sched_count, rq->sched_goidle, + rq->sched_count, rq->sched_goidle, rq->ttwu_count, rq->ttwu_local, rq->rq_cpu_time, rq->rq_sched_info.run_delay, rq->rq_sched_info.pcount); @@ -57,12 +57,9 @@ static int show_schedstat(struct seq_file *seq, void *v) sd->lb_nobusyg[itype]); } seq_printf(seq, - " %u %u %u %u %u %u %u %u %u %u %u %u\n", + " %u %u %u %u %u\n", sd->alb_count, sd->alb_failed, sd->alb_pushed, - sd->sbe_count, sd->sbe_balanced, sd->sbe_pushed, - sd->sbf_count, sd->sbf_balanced, sd->sbf_pushed, - sd->ttwu_wake_remote, sd->ttwu_move_affine, - sd->ttwu_move_balance); + sd->ttwu_wake_remote, sd->ttwu_move_affine); } preempt_enable(); #endif
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