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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
commit94c18227d1e3f02de5b345bd3cd5c960214dc9c8 (patch)
treec2cb18bf1deb097f61cea3ebec23bbd844e1e072
parent6cfb0d5d06bea2b8791f32145eae539d524e5f6c (diff)
[PATCH] sched: reduce task_struct size
more task_struct size reduction, by moving the debugging/instrumentation fields to under CONFIG_SCHEDSTATS: (i386, nodebug): size ---- pre-CFS 1328 CFS 1472 CFS+patch 1376 Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r--include/linux/sched.h21
1 files changed, 13 insertions, 8 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index c9e0c2a6a95..17249fae501 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -904,23 +904,28 @@ struct sched_entity {
struct rb_node run_node;
unsigned int on_rq;
+ u64 exec_start;
+ u64 sum_exec_runtime;
u64 wait_start_fair;
+ u64 sleep_start_fair;
+
+#ifdef CONFIG_SCHEDSTATS
u64 wait_start;
- u64 exec_start;
+ u64 wait_max;
+ s64 sum_wait_runtime;
+
u64 sleep_start;
- u64 sleep_start_fair;
- u64 block_start;
u64 sleep_max;
+ s64 sum_sleep_runtime;
+
+ u64 block_start;
u64 block_max;
u64 exec_max;
- u64 wait_max;
- u64 last_ran;
- u64 sum_exec_runtime;
- s64 sum_wait_runtime;
- s64 sum_sleep_runtime;
unsigned long wait_runtime_overruns;
unsigned long wait_runtime_underruns;
+#endif
+
#ifdef CONFIG_FAIR_GROUP_SCHED
struct sched_entity *parent;
/* rq on which this entity is (to be) queued: */