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authorArnaldo Carvalho de Melo <acme@redhat.com>2019-08-15 16:31:29 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2019-08-15 17:25:55 +0200
commit124e02be72fdff05ab5d7f004a3c0d4061569380 (patch)
treefb0a1c6280914a4806bda6ca8a178dd39235d17b /tools/perf/util/evswitch.c
parentperf evswitch: Introduce OPTS_EVSWITCH() for cmd line processing (diff)
downloadlinux-124e02be72fdff05ab5d7f004a3c0d4061569380.tar.xz
linux-124e02be72fdff05ab5d7f004a3c0d4061569380.zip
perf evswitch: Introduce init() method to set the on/off evsels from the command line
Another step in having all the boilerplate in just one place to then use in the other tools. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Florian Weimer <fweimer@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: William Cohen <wcohen@redhat.com> Link: https://lkml.kernel.org/n/tip-snreb1wmwyjei3eefwotxp1l@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/evswitch.c')
-rw-r--r--tools/perf/util/evswitch.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/tools/perf/util/evswitch.c b/tools/perf/util/evswitch.c
index c87f988d81c8..b57b5f0816f5 100644
--- a/tools/perf/util/evswitch.c
+++ b/tools/perf/util/evswitch.c
@@ -2,6 +2,7 @@
// Copyright (C) 2019, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
#include "evswitch.h"
+#include "evlist.h"
bool evswitch__discard(struct evswitch *evswitch, struct evsel *evsel)
{
@@ -29,3 +30,25 @@ bool evswitch__discard(struct evswitch *evswitch, struct evsel *evsel)
return false;
}
+
+int evswitch__init(struct evswitch *evswitch, struct evlist *evlist, FILE *fp)
+{
+ if (evswitch->on_name) {
+ evswitch->on = perf_evlist__find_evsel_by_str(evlist, evswitch->on_name);
+ if (evswitch->on == NULL) {
+ fprintf(fp, "switch-on event not found (%s)\n", evswitch->on_name);
+ return -ENOENT;
+ }
+ evswitch->discarding = true;
+ }
+
+ if (evswitch->off_name) {
+ evswitch->off = perf_evlist__find_evsel_by_str(evlist, evswitch->off_name);
+ if (evswitch->off == NULL) {
+ fprintf(fp, "switch-off event not found (%s)\n", evswitch->off_name);
+ return -ENOENT;
+ }
+ }
+
+ return 0;
+}