commit b15d0a4c828eafc82ea68fcf88db6fa93eeb23d7
author Mathieu Poirier <mathieu.poirier@linaro.org> Fri Sep 16 08:44:03 2016 -0600
committer Arnaldo Carvalho de Melo <acme@redhat.com> Thu Sep 29 11:16:58 2016 -0300
tree 2a2fda820a33ad60dd1f364f46916eadba460284
parent 2acad19500c28ce0c4dc3f9bf1dcfc82040b6531

perf tools: Make perf_evsel__append_filter() generic

By making function perf_evsel__append_filter() take a format rather than
an operator it is possible to reuse the code for other purposes (ex.
Intel PT and CoreSight) than tracepoints.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/1474037045-31730-2-git-send-email-mathieu.poirier@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/evsel.c

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index f3225a2..4f327b5 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -1046,14 +1046,14 @@
 }
 
 int perf_evsel__append_filter(struct perf_evsel *evsel,
-			      const char *op, const char *filter)
+			      const char *fmt, const char *filter)
 {
 	char *new_filter;
 
 	if (evsel->filter == NULL)
 		return perf_evsel__set_filter(evsel, filter);
 
-	if (asprintf(&new_filter,"(%s) %s (%s)", evsel->filter, op, filter) > 0) {
+	if (asprintf(&new_filter, fmt, evsel->filter, filter) > 0) {
 		free(evsel->filter);
 		evsel->filter = new_filter;
 		return 0;

tools/perf/util/evsel.h

diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 3238060..7ef9602 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -236,7 +236,7 @@
 
 int perf_evsel__set_filter(struct perf_evsel *evsel, const char *filter);
 int perf_evsel__append_filter(struct perf_evsel *evsel,
-			      const char *op, const char *filter);
+			      const char *fmt, 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);

tools/perf/util/parse-events.c

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 2eb8b1e..b14784c 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -1767,7 +1767,7 @@
 		return -1;
 	}
 
-	if (perf_evsel__append_filter(evsel, "&&", str) < 0) {
+	if (perf_evsel__append_filter(evsel, "(%s) && (%s)", str) < 0) {
 		fprintf(stderr,
 			"not enough memory to hold filter string\n");
 		return -1;
@@ -1798,7 +1798,7 @@
 
 	snprintf(new_filter, sizeof(new_filter), "common_pid != %d", getpid());
 
-	if (perf_evsel__append_filter(evsel, "&&", new_filter) < 0) {
+	if (perf_evsel__append_filter(evsel, "(%s) && (%s)", new_filter) < 0) {
 		fprintf(stderr,
 			"not enough memory to hold filter string\n");
 		return -1;