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| author | Stanislaw Gruszka <sgruszka@redhat.com> | 2009-07-29 12:15:26 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-08-03 14:48:35 +0200 |
| commit | 42c4ab41a176ee784c0f28c0b29025a8fc34f05a (patch) | |
| tree | 370393a0e02faa7a6a7d211205b31ceb74880359 /include/linux/sched.h | |
| parent | ed680c4ad478d0fee9740f7d029087f181346564 (diff) | |
| download | op-kernel-dev-42c4ab41a176ee784c0f28c0b29025a8fc34f05a.zip op-kernel-dev-42c4ab41a176ee784c0f28c0b29025a8fc34f05a.tar.gz | |
itimers: Merge ITIMER_VIRT and ITIMER_PROF
Both cpu itimers have same data flow in the few places, this
patch make unification of code related with VIRT and PROF
itimers.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
LKML-Reference: <1248862529-6063-2-git-send-email-sgruszka@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 3ab08e4..3b3efad 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -470,6 +470,11 @@ struct pacct_struct { unsigned long ac_minflt, ac_majflt; }; +struct cpu_itimer { + cputime_t expires; + cputime_t incr; +}; + /** * struct task_cputime - collected CPU time counts * @utime: time spent in user mode, in &cputime_t units @@ -564,9 +569,12 @@ struct signal_struct { struct pid *leader_pid; ktime_t it_real_incr; - /* ITIMER_PROF and ITIMER_VIRTUAL timers for the process */ - cputime_t it_prof_expires, it_virt_expires; - cputime_t it_prof_incr, it_virt_incr; + /* + * ITIMER_PROF and ITIMER_VIRTUAL timers for the process, we use + * CPUCLOCK_PROF and CPUCLOCK_VIRT for indexing array as these + * values are defined to 0 and 1 respectively + */ + struct cpu_itimer it[2]; /* * Thread group totals for process CPU timers. |
