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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-20 13:19:56 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-20 13:19:56 -0700
commit99ebcf8285df28f32fd2d1c19a7166e70f00309c (patch)
treecaf45f39a77026b2fae2413c145067a1e5164701 /fs
parent72558dde738b06cc01e16b3247a9659ca739e22d (diff)
parentc465a76af658b443075d6efee1c3131257643020 (diff)
Merge branch 'v28-timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'v28-timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (36 commits) fix documentation of sysrq-q really Fix documentation of sysrq-q timer_list: add base address to clock base timer_list: print cpu number of clockevents device timer_list: print real timer address NOHZ: restart tick device from irq_enter() NOHZ: split tick_nohz_restart_sched_tick() NOHZ: unify the nohz function calls in irq_enter() timers: fix itimer/many thread hang, fix timers: fix itimer/many thread hang, v3 ntp: improve adjtimex frequency rounding timekeeping: fix rounding problem during clock update ntp: let update_persistent_clock() sleep hrtimer: reorder struct hrtimer to save 8 bytes on 64bit builds posix-timers: lock_timer: make it readable posix-timers: lock_timer: kill the bogus ->it_id check posix-timers: kill ->it_sigev_signo and ->it_sigev_value posix-timers: sys_timer_create: cleanup the error handling posix-timers: move the initialization of timer->sigq from send to create path posix-timers: sys_timer_create: simplify and s/tasklist/rcu/ ... Fix trivial conflicts due to sysrq-q description clahes in Documentation/sysrq.txt and drivers/char/sysrq.c
Diffstat (limited to 'fs')
-rw-r--r--fs/binfmt_elf.c19
-rw-r--r--fs/proc/array.c8
2 files changed, 11 insertions, 16 deletions
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index e2159063198..8fcfa398d35 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -1341,20 +1341,15 @@ static void fill_prstatus(struct elf_prstatus *prstatus,
prstatus->pr_pgrp = task_pgrp_vnr(p);
prstatus->pr_sid = task_session_vnr(p);
if (thread_group_leader(p)) {
+ struct task_cputime cputime;
+
/*
- * This is the record for the group leader. Add in the
- * cumulative times of previous dead threads. This total
- * won't include the time of each live thread whose state
- * is included in the core dump. The final total reported
- * to our parent process when it calls wait4 will include
- * those sums as well as the little bit more time it takes
- * this and each other thread to finish dying after the
- * core dump synchronization phase.
+ * This is the record for the group leader. It shows the
+ * group-wide total, not its individual thread total.
*/
- cputime_to_timeval(cputime_add(p->utime, p->signal->utime),
- &prstatus->pr_utime);
- cputime_to_timeval(cputime_add(p->stime, p->signal->stime),
- &prstatus->pr_stime);
+ thread_group_cputime(p, &cputime);
+ cputime_to_timeval(cputime.utime, &prstatus->pr_utime);
+ cputime_to_timeval(cputime.stime, &prstatus->pr_stime);
} else {
cputime_to_timeval(p->utime, &prstatus->pr_utime);
cputime_to_timeval(p->stime, &prstatus->pr_stime);
diff --git a/fs/proc/array.c b/fs/proc/array.c
index f4bc0e78953..bb9f4b05703 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -388,20 +388,20 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
/* add up live thread stats at the group level */
if (whole) {
+ struct task_cputime cputime;
struct task_struct *t = task;
do {
min_flt += t->min_flt;
maj_flt += t->maj_flt;
- utime = cputime_add(utime, task_utime(t));
- stime = cputime_add(stime, task_stime(t));
gtime = cputime_add(gtime, task_gtime(t));
t = next_thread(t);
} while (t != task);
min_flt += sig->min_flt;
maj_flt += sig->maj_flt;
- utime = cputime_add(utime, sig->utime);
- stime = cputime_add(stime, sig->stime);
+ thread_group_cputime(task, &cputime);
+ utime = cputime.utime;
+ stime = cputime.stime;
gtime = cputime_add(gtime, sig->gtime);
}