linux-kernel - [PATCH 18/25] perf script: Display Intel PT CFE / EVD synthesized event

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Date:   Mon, 24 Jan 2022 10:41:54 +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 18/25] perf script: Display Intel PT CFE / EVD synthesized event

Similar to other Intel PT synth events, display Event Trace events recorded
by CFE / EVD packets.

Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
---
 tools/perf/builtin-script.c | 39 +++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index abae8184e171..08e8ef5fcf83 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -1811,6 +1811,43 @@ static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp)
 	return len + perf_sample__fprintf_pt_spacing(len, fp);
 }
 
+/* Intel PT Event Trace */
+static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp)
+{
+	struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample);
+	const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI",
+			       "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR",
+			       "SHUTDOWN"};
+	const char *evd[64] = {"PFA", "VMXQ", "VMXR"};
+	const char *s;
+	int len, i;
+
+	if (perf_sample__bad_synth_size(sample, *data))
+		return 0;
+
+	s = cfe[data->type];
+	if (s) {
+		len = fprintf(fp, " cfe: %s IP: %d vector: %u",
+			      s, data->ip, data->vector);
+	} else {
+		len = fprintf(fp, " cfe: %u IP: %d vector: %u",
+			      data->type, data->ip, data->vector);
+	}
+	for (i = 0; i < data->evd_cnt; i++) {
+		unsigned int et = data->evd[i].evd_type & 0x3f;
+
+		s = evd[et];
+		if (s) {
+			len += fprintf(fp, " %s: %#" PRIx64,
+				       s, data->evd[i].payload);
+		} else {
+			len += fprintf(fp, " EVD_%u: %#" PRIx64,
+				       et, data->evd[i].payload);
+		}
+	}
+	return len + perf_sample__fprintf_pt_spacing(len, fp);
+}
+
 static int perf_sample__fprintf_synth(struct perf_sample *sample,
 				      struct evsel *evsel, FILE *fp)
 {
@@ -1829,6 +1866,8 @@ static int perf_sample__fprintf_synth(struct perf_sample *sample,
 		return perf_sample__fprintf_synth_cbr(sample, fp);
 	case PERF_SYNTH_INTEL_PSB:
 		return perf_sample__fprintf_synth_psb(sample, fp);
+	case PERF_SYNTH_INTEL_EVT:
+		return perf_sample__fprintf_synth_evt(sample, fp);
 	default:
 		break;
 	}
-- 
2.25.1