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perf_counter: Documentation update

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The 'nmi' bit is no longer there.

Signed-off-by: Yong Wang <yong.y.wang@intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Arjan van de Ven <arjan@linux.intel.com>
LKML-Reference: <20090603084225.GA6553@ywang-moblin2.bj.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yong Wang 2009-06-03 16:42:25 +08:00 committed by Ingo Molnar
parent 1b58c2515b
commit 3aff27ca84
1 changed files with 0 additions and 7 deletions
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7
Documentation/perf_counter/design.txt
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@ -48,7 +48,6 @@ struct perf_counter_hw_event {
__u32 read_format;
__u64 disabled : 1, /* off by default */
nmi : 1, /* NMI sampling */
inherit : 1, /* children inherit it */
pinned : 1, /* must always be on PMU */
exclusive : 1, /* only group on PMU */
@ -195,12 +194,6 @@ The 'disabled' bit specifies whether the counter starts out disabled
or enabled. If it is initially disabled, it can be enabled by ioctl
or prctl (see below).
The 'nmi' bit specifies, for hardware events, whether the counter
should be set up to request non-maskable interrupts (NMIs) or normal
interrupts. This bit is ignored if the user doesn't have
CAP_SYS_ADMIN privilege (i.e. is not root) or if the CPU doesn't
generate NMIs from hardware counters.
The 'inherit' bit, if set, specifies that this counter should count
events on descendant tasks as well as the task specified. This only
applies to new descendents, not to any existing descendents at the