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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /tools/perf/util/evswitch.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/util/evswitch.c')
-rw-r--r--tools/perf/util/evswitch.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/tools/perf/util/evswitch.c b/tools/perf/util/evswitch.c
new file mode 100644
index 0000000000..40cb56a934
--- /dev/null
+++ b/tools/perf/util/evswitch.c
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0-only
+// 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)
+{
+ if (evswitch->on && evswitch->discarding) {
+ if (evswitch->on != evsel)
+ return true;
+
+ evswitch->discarding = false;
+
+ if (!evswitch->show_on_off_events)
+ return true;
+
+ return false;
+ }
+
+ if (evswitch->off && !evswitch->discarding) {
+ if (evswitch->off != evsel)
+ return false;
+
+ evswitch->discarding = true;
+
+ if (!evswitch->show_on_off_events)
+ return true;
+ }
+
+ return false;
+}
+
+static int evswitch__fprintf_enoent(FILE *fp, const char *evtype, const char *evname)
+{
+ int printed = fprintf(fp, "ERROR: switch-%s event not found (%s)\n", evtype, evname);
+
+ return printed += fprintf(fp, "HINT: use 'perf evlist' to see the available event names\n");
+}
+
+int evswitch__init(struct evswitch *evswitch, struct evlist *evlist, FILE *fp)
+{
+ if (evswitch->on_name) {
+ evswitch->on = evlist__find_evsel_by_str(evlist, evswitch->on_name);
+ if (evswitch->on == NULL) {
+ evswitch__fprintf_enoent(fp, "on", evswitch->on_name);
+ return -ENOENT;
+ }
+ evswitch->discarding = true;
+ }
+
+ if (evswitch->off_name) {
+ evswitch->off = evlist__find_evsel_by_str(evlist, evswitch->off_name);
+ if (evswitch->off == NULL) {
+ evswitch__fprintf_enoent(fp, "off", evswitch->off_name);
+ return -ENOENT;
+ }
+ }
+
+ return 0;
+}