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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-23 12:46:15 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-23 12:46:15 -0400 |
commit | 31bbb9b58d1e8ebcf2b28c95c2250a9f8e31e397 (patch) | |
tree | 6bb0c0490d66d32eca43e73abb28d8b3ab0e7b91 /include/linux/sched.h | |
parent | ff830b8e5f999d1ccbd0282a666520f0b557daa4 (diff) | |
parent | 3f0a525ebf4b8ef041a332bbe4a73aee94bb064b (diff) |
Merge branch 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
itimers: Add tracepoints for itimer
hrtimer: Add tracepoint for hrtimers
timers: Add tracepoints for timer_list timers
cputime: Optimize jiffies_to_cputime(1)
itimers: Simplify arm_timer() code a bit
itimers: Fix periodic tics precision
itimers: Merge ITIMER_VIRT and ITIMER_PROF
Trivial header file include conflicts in kernel/fork.c
Diffstat (limited to 'include/linux/sched.h')
-rw-r--r-- | include/linux/sched.h | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 3cbc6c0be666..cbf2a3b46280 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h | |||
@@ -493,6 +493,13 @@ struct pacct_struct { | |||
493 | unsigned long ac_minflt, ac_majflt; | 493 | unsigned long ac_minflt, ac_majflt; |
494 | }; | 494 | }; |
495 | 495 | ||
496 | struct cpu_itimer { | ||
497 | cputime_t expires; | ||
498 | cputime_t incr; | ||
499 | u32 error; | ||
500 | u32 incr_error; | ||
501 | }; | ||
502 | |||
496 | /** | 503 | /** |
497 | * struct task_cputime - collected CPU time counts | 504 | * struct task_cputime - collected CPU time counts |
498 | * @utime: time spent in user mode, in &cputime_t units | 505 | * @utime: time spent in user mode, in &cputime_t units |
@@ -587,9 +594,12 @@ struct signal_struct { | |||
587 | struct pid *leader_pid; | 594 | struct pid *leader_pid; |
588 | ktime_t it_real_incr; | 595 | ktime_t it_real_incr; |
589 | 596 | ||
590 | /* ITIMER_PROF and ITIMER_VIRTUAL timers for the process */ | 597 | /* |
591 | cputime_t it_prof_expires, it_virt_expires; | 598 | * ITIMER_PROF and ITIMER_VIRTUAL timers for the process, we use |
592 | cputime_t it_prof_incr, it_virt_incr; | 599 | * CPUCLOCK_PROF and CPUCLOCK_VIRT for indexing array as these |
600 | * values are defined to 0 and 1 respectively | ||
601 | */ | ||
602 | struct cpu_itimer it[2]; | ||
593 | 603 | ||
594 | /* | 604 | /* |
595 | * Thread group totals for process CPU timers. | 605 | * Thread group totals for process CPU timers. |