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perf completion: Support completion of libpfm4 events
Use `perf list --raw-dump pfm` to support completion of libpfm4 events. Committer testing: # grep -m1 'model name' /proc/cpuinfo model name : AMD Ryzen 9 5950X 16-Core Processor Before: Files in the current directory are expanded when <tab> After: Only the PFM events are: # . tools/perf/perf-completion.sh # perf stat --pfm-events <tab> Becomes: # perf stat --pfm-events perf_raw::r0000 As apparently there are no other PFM events for this Ryzen 9 5950X machine. Signed-off-by: Ian Rogers <irogers@google.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: https://lore.kernel.org/r/20230905181554.3202873-2-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -198,6 +198,10 @@ __perf_main ()
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else
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__perfcomp_colon "$evts" "$cur1"
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fi
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elif [[ $prev == @("--pfm-events") &&
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$prev_skip_opts == @(record|stat|top) ]]; then
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local evts=$($cmd list --raw-dump pfm)
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__perfcomp "$evts" "$cur"
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else
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# List subcommands for perf commands
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if [[ $prev_skip_opts == @(kvm|kmem|mem|lock|sched|
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