The name clear_all_latency_tracing is misleading, in fact which only
clear per task's latency_record[], and we do have another function named
clear_global_latency_tracing which clear the global latency_record[]
buffer.
Link: http://lkml.kernel.org/r/20190226114602.16902-1-linf@wangsu.com
Signed-off-by: Lin Feng <linf@wangsu.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Fabian Frederick <fabf@skynet.be>
Cc: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
if (!task)
return -ESRCH;
- clear_all_latency_tracing(task);
+ clear_tsk_latency_tracing(task);
put_task_struct(task);
return count;
__account_scheduler_latency(task, usecs, inter);
}
-void clear_all_latency_tracing(struct task_struct *p);
+void clear_tsk_latency_tracing(struct task_struct *p);
extern int sysctl_latencytop(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos);
{
}
-static inline void clear_all_latency_tracing(struct task_struct *p)
+static inline void clear_tsk_latency_tracing(struct task_struct *p)
{
}
#ifdef TIF_SYSCALL_EMU
clear_tsk_thread_flag(p, TIF_SYSCALL_EMU);
#endif
- clear_all_latency_tracing(p);
+ clear_tsk_latency_tracing(p);
/* ok, now we should be set up.. */
p->pid = pid_nr(pid);
int latencytop_enabled;
-void clear_all_latency_tracing(struct task_struct *p)
+void clear_tsk_latency_tracing(struct task_struct *p)
{
unsigned long flags;