From 67bdc35fb48c97502dd4b9eeac561e4bcc18684b Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Wed, 19 Oct 2016 11:45:23 -0700 Subject: [PATCH] perf list: Support matching by topic Add support in perf list topic to only show events belonging to a specific vendor events topic. For example the following works now: % perf list frontend List of pre-defined events (to be used in -e): stalled-cycles-frontend OR idle-cycles-frontend [Hardware event] stalled-cycles-frontend OR cpu/stalled-cycles-frontend/ [Kernel PMU event] frontend: dsb2mite_switches.count [Decode Stream Buffer (DSB)-to-MITE switches] dsb2mite_switches.penalty_cycles [Decode Stream Buffer (DSB)-to-MITE switch true penalty cycles] dsb_fill.exceed_dsb_lines [Cycles when Decode Stream Buffer (DSB) fill encounter more than 3 Decode Stream Buffer (DSB) lines] icache.hit [Number of Instruction Cache, Streaming Buffer and Victim Cache Reads. both cacheable and noncacheable, including UC fetches] ... Signed-off-by: Andi Kleen Tested-by: Arnaldo Carvalho de Melo Cc: Jiri Olsa Link: http://lkml.kernel.org/r/1476902724-9586-2-git-send-email-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/pmu.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index 31b845ec32e2..dc6ccaa4e927 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -1141,7 +1141,9 @@ void print_pmu_events(const char *event_glob, bool name_only, bool quiet_flag, if (event_glob != NULL && !(strglobmatch_nocase(name, event_glob) || (!is_cpu && strglobmatch_nocase(alias->name, - event_glob)))) + event_glob)) || + (alias->topic && + strglobmatch_nocase(alias->topic, event_glob)))) continue; if (is_cpu && !name_only && !alias->desc) -- 2.20.1