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proc: convert /proc/$PID/schedstat to seq_file interface 

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan 2014-08-08 14:21:46 -07:00 committed by Linus Torvalds
parent edfcd6064f
commit f6e826ca37
1 changed files with 5 additions and 4 deletions
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9
fs/proc/base.c
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@ -310,9 +310,10 @@ static int proc_pid_stack(struct seq_file *m, struct pid_namespace *ns,
/* /*
* Provides /proc/PID/schedstat * Provides /proc/PID/schedstat
*/ */
static int proc_pid_schedstat(struct task_struct *task, char *buffer) static int proc_pid_schedstat(struct seq_file *m, struct pid_namespace *ns,
struct pid *pid, struct task_struct *task)
{ {
return sprintf(buffer, "%llu %llu %lu\n", return seq_printf(m, "%llu %llu %lu\n",
(unsigned long long)task->se.sum_exec_runtime, (unsigned long long)task->se.sum_exec_runtime,
(unsigned long long)task->sched_info.run_delay, (unsigned long long)task->sched_info.run_delay,
task->sched_info.pcount); task->sched_info.pcount);
@ -2604,7 +2605,7 @@ static const struct pid_entry tgid_base_stuff[] = {
ONE("stack", S_IRUSR, proc_pid_stack), ONE("stack", S_IRUSR, proc_pid_stack),
#endif #endif
#ifdef CONFIG_SCHEDSTATS #ifdef CONFIG_SCHEDSTATS
INF("schedstat", S_IRUGO, proc_pid_schedstat), ONE("schedstat", S_IRUGO, proc_pid_schedstat),
#endif #endif
#ifdef CONFIG_LATENCYTOP #ifdef CONFIG_LATENCYTOP
REG("latency", S_IRUGO, proc_lstats_operations), REG("latency", S_IRUGO, proc_lstats_operations),
@ -2942,7 +2943,7 @@ static const struct pid_entry tid_base_stuff[] = {
ONE("stack", S_IRUSR, proc_pid_stack), ONE("stack", S_IRUSR, proc_pid_stack),
#endif #endif
#ifdef CONFIG_SCHEDSTATS #ifdef CONFIG_SCHEDSTATS
INF("schedstat", S_IRUGO, proc_pid_schedstat), ONE("schedstat", S_IRUGO, proc_pid_schedstat),
#endif #endif
#ifdef CONFIG_LATENCYTOP #ifdef CONFIG_LATENCYTOP
REG("latency", S_IRUGO, proc_lstats_operations), REG("latency", S_IRUGO, proc_lstats_operations),