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>
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@ -310,9 +310,10 @@ static int proc_pid_stack(struct seq_file *m, struct pid_namespace *ns,
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/*
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* Provides /proc/PID/schedstat
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*/
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static int proc_pid_schedstat(struct task_struct *task, char *buffer)
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static int proc_pid_schedstat(struct seq_file *m, struct pid_namespace *ns,
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struct pid *pid, struct task_struct *task)
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{
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return sprintf(buffer, "%llu %llu %lu\n",
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return seq_printf(m, "%llu %llu %lu\n",
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(unsigned long long)task->se.sum_exec_runtime,
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(unsigned long long)task->sched_info.run_delay,
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task->sched_info.pcount);
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@ -2604,7 +2605,7 @@ static const struct pid_entry tgid_base_stuff[] = {
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ONE("stack", S_IRUSR, proc_pid_stack),
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#endif
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#ifdef CONFIG_SCHEDSTATS
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INF("schedstat", S_IRUGO, proc_pid_schedstat),
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ONE("schedstat", S_IRUGO, proc_pid_schedstat),
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#endif
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#ifdef CONFIG_LATENCYTOP
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REG("latency", S_IRUGO, proc_lstats_operations),
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@ -2942,7 +2943,7 @@ static const struct pid_entry tid_base_stuff[] = {
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ONE("stack", S_IRUSR, proc_pid_stack),
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#endif
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#ifdef CONFIG_SCHEDSTATS
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INF("schedstat", S_IRUGO, proc_pid_schedstat),
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ONE("schedstat", S_IRUGO, proc_pid_schedstat),
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#endif
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#ifdef CONFIG_LATENCYTOP
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REG("latency", S_IRUGO, proc_lstats_operations),
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