Account and export via proc scheduler calculated time of children execution.
Signed-off-by: Stanislaw Gruszka <[email protected]> --- fs/proc/array.c | 3 +++ include/linux/sched.h | 1 + kernel/exit.c | 2 ++ 3 files changed, 6 insertions(+), 0 deletions(-) diff --git a/fs/proc/array.c b/fs/proc/array.c index ee47b29..1444dc5 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -404,6 +404,7 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, char tcomm[sizeof(task->comm)]; unsigned long flags; u64 sum_exec_runtime = 0; + u64 csum_exec_runtime = 0; state = *get_task_state(task); vsize = eip = esp = 0; @@ -442,6 +443,7 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, cutime = sig->cutime; cstime = sig->cstime; cgtime = sig->cgtime; + csum_exec_runtime = sig->csum_sched_runtime; rsslim = ACCESS_ONCE(sig->rlim[RLIMIT_RSS].rlim_cur); /* add up live thread stats at the group level */ @@ -558,6 +560,7 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, seq_put_decimal_ll(m, ' ', 0); seq_put_decimal_ull(m, ' ', sum_exec_runtime); + seq_put_decimal_ull(m, ' ', csum_exec_runtime); seq_putc(m, '\n'); if (mm) diff --git a/include/linux/sched.h b/include/linux/sched.h index eb6005c..6673a59 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -574,6 +574,7 @@ struct signal_struct { * other than jiffies.) */ unsigned long long sum_sched_runtime; + unsigned long long csum_sched_runtime; /* * We don't bother to synchronize most readers of this at all, diff --git a/kernel/exit.c b/kernel/exit.c index 5a7023f..eda4fa7 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -1094,6 +1094,8 @@ static int wait_task_zombie(struct wait_opts *wo, struct task_struct *p) sig = p->signal; psig->cutime += tg_cputime.utime + sig->cutime; psig->cstime += tg_cputime.stime + sig->cstime; + psig->csum_sched_runtime += + tg_cputime.sum_exec_runtime + sig->csum_sched_runtime; psig->cgtime += task_gtime(p) + sig->gtime + sig->cgtime; psig->cmin_flt += p->min_flt + sig->min_flt + sig->cmin_flt; -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
