6.6-stable review patch. If anyone has any objections, please let me know.
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From: Ian Rogers irogers@google.com
commit b1693747487442984050eb0f462b83a3a8307525 upstream.
Json output didn't set the skip_duplicate_pmus callback yielding a segfault.
Fixes: cd4e1efbbc40 ("perf pmus: Skip duplicate PMUs and don't print list suffix by default") Signed-off-by: Ian Rogers irogers@google.com Cc: James Clark james.clark@arm.com Cc: Kan Liang kan.liang@linux.intel.com Cc: Athira Rajeev atrajeev@linux.vnet.ibm.com Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20231129213428.2227448-2-irogers@google.com [namhyung: updated subject line according to Arnaldo] Signed-off-by: Namhyung Kim namhyung@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- tools/perf/builtin-list.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c index a343823c8ddf..61c2c96cc070 100644 --- a/tools/perf/builtin-list.c +++ b/tools/perf/builtin-list.c @@ -434,6 +434,11 @@ static void json_print_metric(void *ps __maybe_unused, const char *group, strbuf_release(&buf); }
+static bool json_skip_duplicate_pmus(void *ps __maybe_unused) +{ + return false; +} + static bool default_skip_duplicate_pmus(void *ps) { struct print_state *print_state = ps; @@ -503,6 +508,7 @@ int cmd_list(int argc, const char **argv) .print_end = json_print_end, .print_event = json_print_event, .print_metric = json_print_metric, + .skip_duplicate_pmus = json_skip_duplicate_pmus, }; ps = &json_ps; } else {