linux-kernel - [PATCH v1 1/3] perf completion: Restrict completion of events to events

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Date:   Tue,  5 Sep 2023 11:15:52 -0700
From:   Ian Rogers <irogers@...gle.com>
To:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Ian Rogers <irogers@...gle.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        Stephane Eranian <eranian@...gle.com>
Subject: [PATCH v1 1/3] perf completion: Restrict completion of events to events

perf list will list libpfm4 events and metrics which aren't valid
options to the '-e' option. Restrict the events gathered so that
invalid ones aren't shown.

Before:
$ perf stat -e <tab><tab>
Display all 633 possibilities? (y or n)

After:
$ perf stat -e <tab><tab>
Display all 375 possibilities? (y or n)

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/perf-completion.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/perf-completion.sh b/tools/perf/perf-completion.sh
index 978249d7868c..40cfc30ad7ad 100644
--- a/tools/perf/perf-completion.sh
+++ b/tools/perf/perf-completion.sh
@@ -164,7 +164,7 @@ __perf_main ()
 		$prev_skip_opts == @(record|stat|top) ]]; then
 
 		local cur1=${COMP_WORDS[COMP_CWORD]}
-		local raw_evts=$($cmd list --raw-dump)
+		local raw_evts=$($cmd list --raw-dump hw sw cache tracepoint pmu sdt)
 		local arr s tmp result cpu_evts
 
 		# aarch64 doesn't have /sys/bus/event_source/devices/cpu/events
-- 
2.42.0.283.g2d96d420d3-goog