linux-kernel - [PATCH 19/25] perf script: Display Intel PT iflag synthesized event

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Date:   Mon, 24 Jan 2022 10:41:55 +0200
From:   Adrian Hunter <adrian.hunter@...el.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Jiri Olsa <jolsa@...hat.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>, linux-kernel@...r.kernel.org
Subject: [PATCH 19/25] 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@...el.com>
---
 tools/perf/builtin-script.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 08e8ef5fcf83..517d5f7a7d39 100644
--- 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;
 	}
-- 
2.25.1