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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-07-25 18:06:19 +0400 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-07-25 18:06:19 +0400 |
| commit | 4152ab377b55e9d3e5700de00ef799519ead698d (patch) | |
| tree | f0b01d51b9efe519ecbc9827bf1116de2a2317c3 /tools/perf/util/evlist.c | |
| parent | 4f9bae351d299149a84f76cd34bf0150614e8c8e (diff) | |
| download | linux-4152ab377b55e9d3e5700de00ef799519ead698d.tar.xz | |
perf evlist: Introduce 'disable' method
To remove the last case of access to the FD() macro outside the library.
Inspired by a patch by Borislav that moved the FD() macro to util.h, for
namespace concerns I rather preferred to constrain it to ev{sel,list}.c.
Cc: Borislav Petkov <bp@amd64.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-qn893qsstcg366tkucu649qj@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/evlist.c')
| -rw-r--r-- | tools/perf/util/evlist.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index b021ea9265c3..e03e7bc8205e 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -91,6 +91,19 @@ int perf_evlist__add_default(struct perf_evlist *evlist) return 0; } +void perf_evlist__disable(struct perf_evlist *evlist) +{ + int cpu, thread; + struct perf_evsel *pos; + + for (cpu = 0; cpu < evlist->cpus->nr; cpu++) { + list_for_each_entry(pos, &evlist->entries, node) { + for (thread = 0; thread < evlist->threads->nr; thread++) + ioctl(FD(pos, cpu, thread), PERF_EVENT_IOC_DISABLE); + } + } +} + int perf_evlist__alloc_pollfd(struct perf_evlist *evlist) { int nfds = evlist->cpus->nr * evlist->threads->nr * evlist->nr_entries; |