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3535a6967c
Before: # perf record -a cycles,instructions,cache-misses Workload failed: No such file or directory # After: # perf record -a cycles,instructions,cache-misses Failed to collect 'cycles' for the 'cycles,instructions,cache-misses' workload: No such file or directory # Helps disambiguating other error scenarios: # perf record -a -e cycles,instructions,cache-misses bla Failed to collect 'cycles,instructions,cache-misses' for the 'bla' workload: No such file or directory # perf record -a cycles,instructions,cache-misses sleep 1 Failed to collect 'cycles' for the 'cycles,instructions,cache-misses' workload: No such file or directory # When all goes well we're back to the usual: # perf record -a -e cycles,instructions,cache-misses sleep 1 [ perf record: Woken up 3 times to write data ] [ perf record: Captured and wrote 3.151 MB perf.data (21242 samples) ] # Acked-by: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lore.kernel.org/lkml/20210414131628.2064862-3-acme@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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