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authorArnaldo Carvalho de Melo <acme@redhat.com>2015-07-03 17:05:50 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-07-06 10:46:36 -0300
commit12467ae4e37aab5e263cc9ab6b6909ae0588844c (patch)
tree4d14657427613c61d34639c9c006ee2dcfbb54d2 /tools/perf/util/evsel.c
parentf47805a2af3ba83881ca52434bbbc6e9886b72fd (diff)
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perf evsel: Introduce set_filter method
Replaces existing filter string with the one provided. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-jst49z83li0yx3g18o54u51a@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/evsel.c')
-rw-r--r--tools/perf/util/evsel.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 667677495fb0..ae925b9ce6dd 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -823,6 +823,19 @@ int perf_evsel__apply_filter(struct perf_evsel *evsel, int ncpus, int nthreads,
(void *)filter);
}
+int perf_evsel__set_filter(struct perf_evsel *evsel, const char *filter)
+{
+ char *new_filter = strdup(filter);
+
+ if (new_filter != NULL) {
+ free(evsel->filter);
+ evsel->filter = new_filter;
+ return 0;
+ }
+
+ return -1;
+}
+
int perf_evsel__enable(struct perf_evsel *evsel, int ncpus, int nthreads)
{
return perf_evsel__run_ioctl(evsel, ncpus, nthreads,