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Date: Fri, 18 Feb 2011 18:16:46 +0530
From: Ciju Rajan K <ciju@...ux.vnet.ibm.com>
To: linux kernel mailing list <linux-kernel@...r.kernel.org>
CC: Ciju Rajan K <ciju@...ux.vnet.ibm.com>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Bharata B Rao <bharata@...ux.vnet.ibm.com>,
Ingo Molnar <mingo@...e.hu>,
Srivatsa Vaddagiri <vatsa@...ibm.com>,
Satoru Takeuchi <takeuchi_satoru@...fujitsu.com>
Subject: [PATCH 1/2 v3.0]sched: Removing unused fields from /proc/schedstat
From: Ciju Rajan K <ciju@...ux.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@...ux.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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