linux-kernel - [PATCH 10/25] perf tools: Define Intel PT iflag synthesized event

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Message-Id: <20220124084201.2699795-11-adrian.hunter@intel.com>
Date:   Mon, 24 Jan 2022 10:41:46 +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 10/25] perf tools: Define Intel PT iflag synthesized event

Similar to other Intel PT synth events, define a structure to hold
information about a change to the interrupt flag.

Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
---
 tools/perf/util/event.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 27ea7bd93df5..9354619953e9 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -183,6 +183,7 @@ enum perf_synth_id {
 	PERF_SYNTH_INTEL_CBR,
 	PERF_SYNTH_INTEL_PSB,
 	PERF_SYNTH_INTEL_EVT,
+	PERF_SYNTH_INTEL_IFLAG_CHG,
 };
 
 /*
@@ -308,6 +309,18 @@ struct perf_synth_intel_evt {
 	struct perf_synth_intel_evd evd[];
 };
 
+struct perf_synth_intel_iflag_chg {
+	u32 padding;
+	union {
+		struct {
+			u32	iflag		:  1,
+				via_branch	:  1;
+		};
+		u32	flags;
+	};
+	u64	branch_ip; /* If via_branch */
+};
+
 /*
  * raw_data is always 4 bytes from an 8-byte boundary, so subtract 4 to get
  * 8-byte alignment.
-- 
2.25.1