From: Arnaldo Carvalho de Melo <[email protected]>

Allows adding hints there, will be done in followup patch.

Cc: Adrian Hunter <[email protected]>
Cc: Florian Weimer <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: William Cohen <[email protected]>
Link: https://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
 tools/perf/util/evswitch.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/evswitch.c b/tools/perf/util/evswitch.c
index b57b5f0816f5..71daed615a2c 100644
--- a/tools/perf/util/evswitch.c
+++ b/tools/perf/util/evswitch.c
@@ -31,12 +31,17 @@ bool evswitch__discard(struct evswitch *evswitch, struct 
evsel *evsel)
        return false;
 }
 
+static int evswitch__fprintf_enoent(FILE *fp, const char *evtype, const char 
*evname)
+{
+       return fprintf(fp, "ERROR: switch-%s event not found (%s)\n", evtype, 
evname);
+}
+
 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);
+                       evswitch__fprintf_enoent(fp, "on", evswitch->on_name);
                        return -ENOENT;
                }
                evswitch->discarding = true;
@@ -45,7 +50,7 @@ int evswitch__init(struct evswitch *evswitch, struct evlist 
*evlist, FILE *fp)
        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);
+                       evswitch__fprintf_enoent(fp, "off", evswitch->off_name);
                        return -ENOENT;
                }
        }
-- 
2.21.0

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