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sched: latencytop support

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LatencyTOP kernel infrastructure; it measures latencies in the
scheduler and tracks it system wide and per process.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Arjan van de Ven 2008-01-25 21:08:34 +01:00 • committed by Ingo Molnar
parent 326587b840
commit 9745512ce7
11 changed files with 429 additions and 1 deletions
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1
kernel/fork.c
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@ -1205,6 +1205,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
#ifdef TIF_SYSCALL_EMU
clear_tsk_thread_flag(p, TIF_SYSCALL_EMU);
#endif
clear_all_latency_tracing(p);
/* Our parent execution domain becomes current domain
These must match for thread signalling to apply */