perf tools: Update ioctl documentation for PERF_IOC_FLAG_GROUP
commita59e64a13a927fb7530bef39e9f5e7de8268137e
authorNamhyung Kim <namhyung.kim@lge.com>
Thu, 31 May 2012 05:51:45 +0000 (31 14:51 +0900)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Thu, 31 May 2012 14:38:42 +0000 (31 11:38 -0300)
tree94cc2528ff263b737a637ad20bc2e1f748fae881
parentaa5cdd308ddbb08959534be408eba8ef040b5989
perf tools: Update ioctl documentation for PERF_IOC_FLAG_GROUP

The ioctl interface of perf event fd receives 3 arguments to control
event group behavior but it lacked documentation.

Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1338443506-25009-2-git-send-email-namhyung.kim@lge.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/design.txt