[PATCH 2/3] perf list: Check arguments to show libpfm4 events

Namhyung Kim
2023-06-08T23:24:14Z

From: Ian Rogers <irogers@google.com>

This is particularly useful for tests.

$ perf list pfm

Signed-off-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
tools/perf/builtin-list.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c
index 03b5d26b2489..7fec2cca759f 100644
--- a/tools/perf/builtin-list.c
+++ b/tools/perf/builtin-list.c
@@ -15,6 +15,7 @@
#include "util/pmu.h"
#include "util/debug.h"
#include "util/metricgroup.h"
+#include "util/pfm.h"
#include "util/string2.h"
#include "util/strlist.h"
#include "util/strbuf.h"
@@ -457,7 +458,11 @@ int cmd_list(int argc, const char **argv)
OPT_END()
};
const char * const list_usage[] = {
+#ifdef HAVE_LIBPFM
+ "perf list [<options>] [hw|sw|cache|tracepoint|pmu|sdt|metric|metricgroup|event_glob|pfm]",
+#else
"perf list [<options>] [hw|sw|cache|tracepoint|pmu|sdt|metric|metricgroup|event_glob]",
+#endif
NULL
};

@@ -539,7 +544,12 @@ int cmd_list(int argc, const char **argv)
default_ps.metricgroups = true;
default_ps.metrics = false;
metricgroup__print(&print_cb, ps);
- } else if ((sep = strchr(argv[i], ':')) != NULL) {
+ }
+#ifdef HAVE_LIBPFM
+ else if (strcmp(argv[i], "pfm") == 0)
+ print_libpfm_events(&print_cb, ps);
+#endif
+ else if ((sep = strchr(argv[i], ':')) != NULL) {
char *old_pmu_glob = default_ps.pmu_glob;

default_ps.event_glob = strdup(argv[i]);