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authorIngo Molnar <mingo@elte.hu>2007-08-02 17:41:40 +0200
committerIngo Molnar <mingo@elte.hu>2007-08-02 17:41:40 +0200
commit6cfb0d5d06bea2b8791f32145eae539d524e5f6c (patch)
treeec84e29c73833fac72f7307b7573410b2e60b291 /kernel/sched_debug.c
parent8179ca23d513717cc5e3dc81a1ffe01af0955468 (diff)
[PATCH] sched: reduce debug code
move the rest of the debugging/instrumentation code to under CONFIG_SCHEDSTATS too. This reduces code size and speeds code up: text data bss dec hex filename 33044 4122 28 37194 914a sched.o.before 32708 4122 28 36858 8ffa sched.o.after Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sched_debug.c')
-rw-r--r--kernel/sched_debug.c22
1 files changed, 16 insertions, 6 deletions
diff --git a/kernel/sched_debug.c b/kernel/sched_debug.c
index 0eca442b7792..1c61e5315ad2 100644
--- a/kernel/sched_debug.c
+++ b/kernel/sched_debug.c
@@ -44,11 +44,16 @@ print_task(struct seq_file *m, struct rq *rq, struct task_struct *p, u64 now)
(long long)p->se.wait_runtime,
(long long)(p->nvcsw + p->nivcsw),
p->prio,
+#ifdef CONFIG_SCHEDSTATS
(long long)p->se.sum_exec_runtime,
(long long)p->se.sum_wait_runtime,
(long long)p->se.sum_sleep_runtime,
(long long)p->se.wait_runtime_overruns,
- (long long)p->se.wait_runtime_underruns);
+ (long long)p->se.wait_runtime_underruns
+#else
+ 0LL, 0LL, 0LL, 0LL, 0LL
+#endif
+ );
}
static void print_rq(struct seq_file *m, struct rq *rq, int rq_cpu, u64 now)
@@ -171,7 +176,7 @@ static int sched_debug_show(struct seq_file *m, void *v)
u64 now = ktime_to_ns(ktime_get());
int cpu;
- SEQ_printf(m, "Sched Debug Version: v0.05, %s %.*s\n",
+ SEQ_printf(m, "Sched Debug Version: v0.05-v20, %s %.*s\n",
init_utsname()->release,
(int)strcspn(init_utsname()->version, " "),
init_utsname()->version);
@@ -235,21 +240,24 @@ void proc_sched_show_task(struct task_struct *p, struct seq_file *m)
#define P(F) \
SEQ_printf(m, "%-25s:%20Ld\n", #F, (long long)p->F)
- P(se.wait_start);
+ P(se.wait_runtime);
P(se.wait_start_fair);
P(se.exec_start);
- P(se.sleep_start);
P(se.sleep_start_fair);
+ P(se.sum_exec_runtime);
+
+#ifdef CONFIG_SCHEDSTATS
+ P(se.wait_start);
+ P(se.sleep_start);
P(se.block_start);
P(se.sleep_max);
P(se.block_max);
P(se.exec_max);
P(se.wait_max);
- P(se.wait_runtime);
P(se.wait_runtime_overruns);
P(se.wait_runtime_underruns);
P(se.sum_wait_runtime);
- P(se.sum_exec_runtime);
+#endif
SEQ_printf(m, "%-25s:%20Ld\n",
"nr_switches", (long long)(p->nvcsw + p->nivcsw));
P(se.load.weight);
@@ -269,7 +277,9 @@ void proc_sched_show_task(struct task_struct *p, struct seq_file *m)
void proc_sched_set_task(struct task_struct *p)
{
+#ifdef CONFIG_SCHEDSTATS
p->se.sleep_max = p->se.block_max = p->se.exec_max = p->se.wait_max = 0;
p->se.wait_runtime_overruns = p->se.wait_runtime_underruns = 0;
+#endif
p->se.sum_exec_runtime = 0;
}

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