perf list: Print all available tool events

Introduce names for the new tool events 'user_time' and 'system_time'.

  $ perf list
  ...
  duration_time                                      [Tool event]
  user_time                                          [Tool event]
  system_time                                        [Tool event]
  ...

Committer testing:

Before:

  $ perf list | grep Tool
  duration_time                                      [Tool event]
  $

After:

  $ perf list | grep Tool
    duration_time                                    [Tool event]
    user_time                                        [Tool event]
    system_time                                      [Tool event]
  $

Signed-off-by: Florian Fischer <florian.fischer@muhq.space>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Link: http://lore.kernel.org/lkml/20220420174244.1741958-2-florian.fischer@muhq.space
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 12 insertions, 7 deletions

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 2a1729e7aee4..d38722560e80 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -597,6 +597,17 @@ static int evsel__sw_name(struct evsel *evsel, char *bf, size_t size)
 	return r + evsel__add_modifiers(evsel, bf + r, size - r);
 }
 
+const char *evsel__tool_names[PERF_TOOL_MAX] = {
+	"duration_time",
+	"user_time",
+	"system_time",
+};
+
+static int evsel__tool_name(enum perf_tool_event ev, char *bf, size_t size)
+{
+	return scnprintf(bf, size, "%s", evsel__tool_names[ev]);
+}
+
 static int __evsel__bp_name(char *bf, size_t size, u64 addr, u64 type)
 {
 	int r;
@@ -723,12 +734,6 @@ static int evsel__raw_name(struct evsel *evsel, char *bf, size_t size)
 	return ret + evsel__add_modifiers(evsel, bf + ret, size - ret);
 }
 
-static int evsel__tool_name(char *bf, size_t size)
-{
-	int ret = scnprintf(bf, size, "duration_time");
-	return ret;
-}
-
 const char *evsel__name(struct evsel *evsel)
 {
 	char bf[128];
@@ -754,7 +759,7 @@ const char *evsel__name(struct evsel *evsel)
 
 	case PERF_TYPE_SOFTWARE:
 		if (evsel->tool_event)
-			evsel__tool_name(bf, sizeof(bf));
+			evsel__tool_name(evsel->tool_event, bf, sizeof(bf));
 		else
 			evsel__sw_name(evsel, bf, sizeof(bf));
 		break;