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

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Message-ID: <20230608232400.3056312-3-namhyung@kernel.org>
Date:   Thu,  8 Jun 2023 16:23:59 -0700
From:   Namhyung Kim <namhyung@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>
Cc:     Ian Rogers <irogers@...gle.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-perf-users@...r.kernel.org,
        Stephane Eranian <eranian@...gle.com>
Subject: [PATCH 2/3] perf list: Check arguments to show libpfm4 events

From: Ian Rogers <irogers@...gle.com>

This is particularly useful for tests.

  $ perf list pfm

Signed-off-by: Ian Rogers <irogers@...gle.com>
Signed-off-by: Namhyung Kim <namhyung@...nel.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]);
-- 
2.41.0.162.gfafddb0af9-goog