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| author | Carsten Emde <C.Emde@osadl.org> | 2011-07-19 13:03:41 (GMT) |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2014-04-10 00:18:45 (GMT) |
| commit | ca629a5e1742e029d594ce89a3962bd4d1ce39e4 (patch) | |
| tree | 8ba9fff2cd421f91f577d79a99ba64145e0d4f16 /Makefile | |
| parent | 9e2dba555698b6334ebef35d6803d6e2eab65810 (diff) | |
| download | linux-fsl-qoriq-ca629a5e1742e029d594ce89a3962bd4d1ce39e4.tar.xz | |
latency-hist.patch
This patch provides a recording mechanism to store data of potential
sources of system latencies. The recordings separately determine the
latency caused by a delayed timer expiration, by a delayed wakeup of the
related user space program and by the sum of both. The histograms can be
enabled and reset individually. The data are accessible via the debug
filesystem. For details please consult Documentation/trace/histograms.txt.
Signed-off-by: Carsten Emde <C.Emde@osadl.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'Makefile')
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