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perf tools: Allow specifying proc-map-timeout in config file
The default timeout of 500ms for parsing /proc/<pid>/maps files is too short for profiling many of our services. This can be overridden by passing --proc-map-timeout to the relevant command but it'd be nice to globally increase our default value. This patch permits setting a different default with the core.proc-map-timeout config file parameter. Signed-off-by: Mark Drayton <mbd@fb.com> Acked-by: Song Liu <songliubraving@fb.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20181204203420.1683114-1-mbd@fb.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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14 changed files with 39 additions and 50 deletions
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@ -599,7 +599,7 @@ static int do_test_code_reading(bool try_kcore)
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}
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ret = perf_event__synthesize_thread_map(NULL, threads,
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perf_event__process, machine, false, 500);
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perf_event__process, machine, false);
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if (ret < 0) {
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pr_debug("perf_event__synthesize_thread_map failed\n");
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goto out_err;
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