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Fedora 35 sets DEBUGINFOD_URLS by default, which might lead to unexpected stalls in perf record exit path, when we try to cache profiled binaries. # DEBUGINFOD_PROGRESS=1 ./perf record -a ^C[ perf record: Woken up 1 times to write data ] Downloading from https://debuginfod.fedoraproject.org/ 447069 Downloading from https://debuginfod.fedoraproject.org/ 1502175 Downloading \^Z Disabling DEBUGINFOD_URLS by default in perf record and adding debuginfod option and .perfconfig variable support to enable id. Default without debuginfo processing: # perf record -a Using system debuginfod setup: # perf record -a --debuginfod Using custom debuginfd url: # perf record -a --debuginfod='https://evenbetterdebuginfodserver.krava' Adding single perf_debuginfod_setup function and using it also in perf buildid-cache command. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Frank Ch. Eigler <fche@redhat.com> Cc: Ian Rogers <irogers@google.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20211209200425.303561-1-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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