perf trace: Disable syscall augmentation with record
Syscall augmentation is causing samples not to be written to the perf.data file with "perf trace record". Disabling augmentation is sub-optimal, but it beats having a totally broken perf trace record. Closes: https://lore.kernel.org/lkml/CAP-5=fV9Gd1Teak+EOcUSxe13KqSyfZyPNagK97GbLiOQRgGaw@mail.gmail.com/ Signed-off-by: Ian Rogers <irogers@google.com> 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: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lore.kernel.org/r/20240216172357.65037-1-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -4883,6 +4883,11 @@ int cmd_trace(int argc, const char **argv)
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if (!trace.trace_syscalls)
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goto skip_augmentation;
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if ((argc >= 1) && (strcmp(argv[0], "record") == 0)) {
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pr_debug("Syscall augmentation fails with record, disabling augmentation");
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goto skip_augmentation;
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}
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trace.skel = augmented_raw_syscalls_bpf__open();
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if (!trace.skel) {
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pr_debug("Failed to open augmented syscalls BPF skeleton");
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