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profiler: function to clear process level logs

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This commit is contained in:
Balazs Gerofi
2017-03-07 15:17:11 +09:00
parent e901d42fb6
commit 56ee0787c9
1 changed files with 11 additions and 0 deletions
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11
kernel/profile.c
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@ -375,6 +375,14 @@ void profile_dealloc_proc_events(struct process *proc)
kfree(proc->profile_events);
}
void static profile_clear_process(struct process *proc)
{
if (!proc->profile_events) return;
memset(proc->profile_events, 0,
sizeof(*proc->profile_events) * PROFILE_EVENT_MAX);
}
void static profile_clear_thread(struct thread *thread)
{
if (!thread->profile_events) return;
@ -436,6 +444,9 @@ int do_profile(int flag)
}
}
if (flag & PROF_CLEAR) {
profile_clear_process(proc);
}
mcs_rwlock_reader_unlock_noirq(&proc->threads_lock, &lock);
/* Make sure future threads profile as well */