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[PATCH] sched: reduce task_struct size

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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>
This commit is contained in:
Ingo Molnar 2007-08-02 17:41:40 +02:00
parent 6cfb0d5d06
commit 94c18227d1
1 changed files with 14 additions and 9 deletions
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23
include/linux/sched.h
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@ -904,23 +904,28 @@ struct sched_entity {
struct rb_node run_node;
unsigned int on_rq;
u64 wait_start_fair;
u64 wait_start;
u64 exec_start;
u64 sleep_start;
u64 sum_exec_runtime;
u64 wait_start_fair;
u64 sleep_start_fair;
u64 block_start;
#ifdef CONFIG_SCHEDSTATS
u64 wait_start;
u64 wait_max;
s64 sum_wait_runtime;
u64 sleep_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: */