[tip:perf/core] perf evsel: Introduce disable() method

2015-12-07 Thread tip-bot for Jiri Olsa 
Commit-ID:  e98a4cbb01e0ba1110eba5166a425b3eab9b2244
Gitweb: http://git.kernel.org/tip/e98a4cbb01e0ba1110eba5166a425b3eab9b2244
Author: Jiri Olsa 
AuthorDate: Thu, 3 Dec 2015 10:06:41 +0100
Committer:  Arnaldo Carvalho de Melo 
CommitDate: Mon, 7 Dec 2015 18:12:57 -0300

perf evsel: Introduce disable() method

Adding perf_evsel__disable function to have complement for
perf_evsel__enable function. Both will be used in following patch to
factor perf_evlist__(enable|disable).

Signed-off-by: Jiri Olsa 
Cc: Adrian Hunter 
Cc: David Ahern 
Cc: Namhyung Kim 
Cc: Peter Zijlstra 
Link: 
http://lkml.kernel.org/r/1449133606-14429-3-git-send-email-jo...@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo 
---
 tools/perf/util/evsel.c | 10 ++
 tools/perf/util/evsel.h |  1 +
 2 files changed, 11 insertions(+)

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 3a9b506..47f0330 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -991,6 +991,16 @@ int perf_evsel__enable(struct perf_evsel *evsel)
 0);
 }
 
+int perf_evsel__disable(struct perf_evsel *evsel)
+{
+   int nthreads = thread_map__nr(evsel->threads);
+   int ncpus = cpu_map__nr(evsel->cpus);
+
+   return perf_evsel__run_ioctl(evsel, ncpus, nthreads,
+PERF_EVENT_IOC_DISABLE,
+0);
+}
+
 int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads)
 {
if (ncpus == 0 || nthreads == 0)
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index a721592..5ded1fc 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -228,6 +228,7 @@ int perf_evsel__append_filter(struct perf_evsel *evsel,
 int perf_evsel__apply_filter(struct perf_evsel *evsel, int ncpus, int nthreads,
 const char *filter);
 int perf_evsel__enable(struct perf_evsel *evsel);
+int perf_evsel__disable(struct perf_evsel *evsel);
 
 int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
 struct cpu_map *cpus);
--
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[tip:perf/core] perf evsel: Introduce disable() method

2015-12-07 Thread tip-bot for Jiri Olsa 
Commit-ID:  e98a4cbb01e0ba1110eba5166a425b3eab9b2244
Gitweb: http://git.kernel.org/tip/e98a4cbb01e0ba1110eba5166a425b3eab9b2244
Author: Jiri Olsa 
AuthorDate: Thu, 3 Dec 2015 10:06:41 +0100
Committer:  Arnaldo Carvalho de Melo 
CommitDate: Mon, 7 Dec 2015 18:12:57 -0300

perf evsel: Introduce disable() method

Adding perf_evsel__disable function to have complement for
perf_evsel__enable function. Both will be used in following patch to
factor perf_evlist__(enable|disable).

Signed-off-by: Jiri Olsa 
Cc: Adrian Hunter 
Cc: David Ahern 
Cc: Namhyung Kim 
Cc: Peter Zijlstra 
Link: 
http://lkml.kernel.org/r/1449133606-14429-3-git-send-email-jo...@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo 
---
 tools/perf/util/evsel.c | 10 ++
 tools/perf/util/evsel.h |  1 +
 2 files changed, 11 insertions(+)

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 3a9b506..47f0330 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -991,6 +991,16 @@ int perf_evsel__enable(struct perf_evsel *evsel)
 0);
 }
 
+int perf_evsel__disable(struct perf_evsel *evsel)
+{
+   int nthreads = thread_map__nr(evsel->threads);
+   int ncpus = cpu_map__nr(evsel->cpus);
+
+   return perf_evsel__run_ioctl(evsel, ncpus, nthreads,
+PERF_EVENT_IOC_DISABLE,
+0);
+}
+
 int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads)
 {
if (ncpus == 0 || nthreads == 0)
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index a721592..5ded1fc 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -228,6 +228,7 @@ int perf_evsel__append_filter(struct perf_evsel *evsel,
 int perf_evsel__apply_filter(struct perf_evsel *evsel, int ncpus, int nthreads,
 const char *filter);
 int perf_evsel__enable(struct perf_evsel *evsel);
+int perf_evsel__disable(struct perf_evsel *evsel);
 
 int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
 struct cpu_map *cpus);
--
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