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(parent: 22c1558) | patch
perf_counter: inheritable sample counters
authorPeter Zijlstra <a.p.zijlstra@chello.nl>
Tue, 5 May 2009 15:50:26 +0000 (17:50 +0200)
committerIngo Molnar <mingo@elte.hu>
Tue, 5 May 2009 18:18:33 +0000 (20:18 +0200)
commit2023b359214bbc5bad31571cf50d7fb83b535c0a
tree991ca078cd79b883cd09da2b349055e136e13a0ctree | snapshot (tar.gz zip)
parent22c1558e51c210787c6cf75d8905246fc91ec030commit | diff
perf_counter: inheritable sample counters

Redirect the output to the parent counter and put in some sanity checks.

[ Impact: new perfcounter feature - inherited sampling counters ]

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
LKML-Reference: <20090505155437.331556171@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
kernel/perf_counter.c diff | blob | blame | history