perf list: Check arguments to show libpfm4 events

This is particularly useful for tests.

  $ perf list pfm

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lore.kernel.org/r/20230608232400.3056312-3-namhyung@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c
index 03b5d26..7fec2cc 100644 (file)
--- 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]);