From: Yong Wang Date: Wed, 3 Jun 2009 08:42:25 +0000 (+0800) Subject: perf_counter: Documentation update X-Git-Tag: firefly_0821_release~13973^2~84 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3aff27ca84fa94311ae99189e54fed8d83b69fc1;p=firefly-linux-kernel-4.4.55.git perf_counter: Documentation update The 'nmi' bit is no longer there. Signed-off-by: Yong Wang Cc: Peter Zijlstra Cc: Mike Galbraith Cc: Paul Mackerras Cc: Corey Ashford Cc: Marcelo Tosatti Cc: Arnaldo Carvalho de Melo Cc: Arjan van de Ven LKML-Reference: <20090603084225.GA6553@ywang-moblin2.bj.intel.com> Signed-off-by: Ingo Molnar --- diff --git a/Documentation/perf_counter/design.txt b/Documentation/perf_counter/design.txt index 9930c4bddc6f..d3250763dc92 100644 --- a/Documentation/perf_counter/design.txt +++ b/Documentation/perf_counter/design.txt @@ -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