perf intel-pt: Add more event information to debug log
More event information is useful for debugging, especially MMAP events. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Link: http://lkml.kernel.org/r/20181105073505.8129-2-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -31,6 +31,11 @@ static FILE *f;
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static char log_name[MAX_LOG_NAME];
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bool intel_pt_enable_logging;
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void *intel_pt_log_fp(void)
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{
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return f;
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}
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void intel_pt_log_enable(void)
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{
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intel_pt_enable_logging = true;
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@ -22,6 +22,7 @@
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struct intel_pt_pkt;
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void *intel_pt_log_fp(void);
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void intel_pt_log_enable(void);
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void intel_pt_log_disable(void);
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void intel_pt_log_set_name(const char *name);
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@ -206,6 +206,16 @@ static void intel_pt_dump_event(struct intel_pt *pt, unsigned char *buf,
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intel_pt_dump(pt, buf, len);
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}
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static void intel_pt_log_event(union perf_event *event)
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{
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FILE *f = intel_pt_log_fp();
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if (!intel_pt_enable_logging || !f)
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return;
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perf_event__fprintf(event, f);
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}
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static int intel_pt_do_fix_overlap(struct intel_pt *pt, struct auxtrace_buffer *a,
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struct auxtrace_buffer *b)
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{
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@ -2010,9 +2020,9 @@ static int intel_pt_process_event(struct perf_session *session,
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event->header.type == PERF_RECORD_SWITCH_CPU_WIDE)
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err = intel_pt_context_switch(pt, event, sample);
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intel_pt_log("event %s (%u): cpu %d time %"PRIu64" tsc %#"PRIx64"\n",
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perf_event__name(event->header.type), event->header.type,
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sample->cpu, sample->time, timestamp);
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intel_pt_log("event %u: cpu %d time %"PRIu64" tsc %#"PRIx64" ",
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event->header.type, sample->cpu, sample->time, timestamp);
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intel_pt_log_event(event);
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return err;
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}
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