diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-07-04 08:56:53 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-07-04 08:56:53 -0700 |
| commit | 22a093b2fb52fb656658a32adc80c24ddc200ca4 (patch) | |
| tree | d0edd1065ee10369ca204404e43bdeece71d3d5e /fs | |
| parent | c1776a18e3b5a3559f3dff5df0ecce570abd3a9f (diff) | |
| parent | 397f2378f136128623fc237746157aa2564d1082 (diff) | |
| download | lwn-22a093b2fb52fb656658a32adc80c24ddc200ca4.tar.gz lwn-22a093b2fb52fb656658a32adc80c24ddc200ca4.zip | |
Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
"Debug info and other statistics fixes and related enhancements"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/numa: Fix numa balancing stats in /proc/pid/sched
sched/numa: Show numa_group ID in /proc/sched_debug task listings
sched/debug: Move print_cfs_rq() declaration to kernel/sched/sched.h
sched/stat: Expose /proc/pid/schedstat if CONFIG_SCHED_INFO=y
sched/stat: Simplify the sched_info accounting dependency
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/proc/base.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c index 1d540b3f226f..87782e874b6a 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -491,14 +491,17 @@ static int proc_pid_stack(struct seq_file *m, struct pid_namespace *ns, } #endif -#ifdef CONFIG_SCHEDSTATS +#ifdef CONFIG_SCHED_INFO /* * Provides /proc/PID/schedstat */ static int proc_pid_schedstat(struct seq_file *m, struct pid_namespace *ns, struct pid *pid, struct task_struct *task) { - seq_printf(m, "%llu %llu %lu\n", + if (unlikely(!sched_info_on())) + seq_printf(m, "0 0 0\n"); + else + seq_printf(m, "%llu %llu %lu\n", (unsigned long long)task->se.sum_exec_runtime, (unsigned long long)task->sched_info.run_delay, task->sched_info.pcount); @@ -2787,7 +2790,7 @@ static const struct pid_entry tgid_base_stuff[] = { #ifdef CONFIG_STACKTRACE ONE("stack", S_IRUSR, proc_pid_stack), #endif -#ifdef CONFIG_SCHEDSTATS +#ifdef CONFIG_SCHED_INFO ONE("schedstat", S_IRUGO, proc_pid_schedstat), #endif #ifdef CONFIG_LATENCYTOP @@ -3135,7 +3138,7 @@ static const struct pid_entry tid_base_stuff[] = { #ifdef CONFIG_STACKTRACE ONE("stack", S_IRUSR, proc_pid_stack), #endif -#ifdef CONFIG_SCHEDSTATS +#ifdef CONFIG_SCHED_INFO ONE("schedstat", S_IRUGO, proc_pid_schedstat), #endif #ifdef CONFIG_LATENCYTOP |