From: Arnaldo Carvalho de Melo <a...@redhat.com>

Replaces existing filter string with the one provided.

Cc: Adrian Hunter <adrian.hun...@intel.com>
Cc: Borislav Petkov <b...@suse.de>
Cc: David Ahern <dsah...@gmail.com>
Cc: Don Zickus <dzic...@redhat.com>
Cc: Frederic Weisbecker <fweis...@gmail.com>
Cc: Jiri Olsa <jo...@redhat.com>
Cc: Namhyung Kim <namhy...@kernel.org>
Cc: Stephane Eranian <eran...@google.com>
Link: http://lkml.kernel.org/n/tip-jst49z83li0yx3g18o54u...@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
---
 tools/perf/util/evsel.c        | 13 +++++++++++++
 tools/perf/util/evsel.h        |  1 +
 tools/perf/util/parse-events.c |  3 +--
 3 files changed, 15 insertions(+), 2 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,
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index a3ebb83d767e..8aea4baca080 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -182,6 +182,7 @@ void __perf_evsel__reset_sample_bit(struct perf_evsel 
*evsel,
 void perf_evsel__set_sample_id(struct perf_evsel *evsel,
                               bool use_sample_identifier);
 
+int perf_evsel__set_filter(struct perf_evsel *evsel, const char *filter);
 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 ncpus, int nthreads);
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 09f8d2357108..a71eeb279ed2 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -1177,8 +1177,7 @@ int parse_filter(const struct option *opt, const char 
*str,
                return -1;
        }
 
-       last->filter = strdup(str);
-       if (last->filter == NULL) {
+       if (perf_evsel__set_filter(last, str) < 0) {
                fprintf(stderr, "not enough memory to hold filter string\n");
                return -1;
        }
-- 
2.1.0

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to