perf script: Display Intel PT iflag synthesized event

Similar to other Intel PT synth events, display changes to the interrupt
flag represented by the MODE.Exec packet.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: https://lore.kernel.org/r/20220124084201.2699795-20-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 08e8ef5..517d5f7 100644 (file)
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -1848,6 +1848,19 @@ static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp)
        return len + perf_sample__fprintf_pt_spacing(len, fp);
 }
 
+static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp)
+{
+       struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample);
+       int len;
+
+       if (perf_sample__bad_synth_size(sample, *data))
+               return 0;
+
+       len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag,
+                     data->via_branch ? "via" : "non");
+       return len + perf_sample__fprintf_pt_spacing(len, fp);
+}
+
 static int perf_sample__fprintf_synth(struct perf_sample *sample,
                                      struct evsel *evsel, FILE *fp)
 {
@@ -1868,6 +1881,8 @@ static int perf_sample__fprintf_synth(struct perf_sample *sample,
                return perf_sample__fprintf_synth_psb(sample, fp);
        case PERF_SYNTH_INTEL_EVT:
                return perf_sample__fprintf_synth_evt(sample, fp);
+       case PERF_SYNTH_INTEL_IFLAG_CHG:
+               return perf_sample__fprintf_synth_iflag_chg(sample, fp);
        default:
                break;
        }