linux-kernel - [PATCH 01/11] perf script: Add branch types for VM-Entry and VM-Exit

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Date:   Thu, 18 Feb 2021 11:57:51 +0200
From:   Adrian Hunter <adrian.hunter@...el.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...hat.com>, Andi Kleen <ak@...ux.intel.com>
Cc:     Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 01/11] perf script: Add branch types for VM-Entry and VM-Exit

In preparation to support Intel PT decoding of virtual machine traces, add
branch types for VM-Entry and VM-Exit.

Note they are both treated as "calls" because the VM-Exit transfers control
to a different address.

Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
---
 tools/perf/builtin-script.c | 2 ++
 tools/perf/util/db-export.c | 2 ++
 tools/perf/util/event.h     | 6 +++++-
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 4143d3f6eb37..57958bb96082 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -1537,6 +1537,8 @@ static struct {
 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
+	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"},
+	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"},
 	{0, NULL}
 };
 
diff --git a/tools/perf/util/db-export.c b/tools/perf/util/db-export.c
index db7447154622..5cd189172525 100644
--- a/tools/perf/util/db-export.c
+++ b/tools/perf/util/db-export.c
@@ -438,6 +438,8 @@ static struct {
 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "transaction abort"},
 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "trace begin"},
 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "trace end"},
+	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vm entry"},
+	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vm exit"},
 	{0, NULL}
 };
 
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 4a3b5b6478d8..034526288e05 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -96,6 +96,8 @@ enum {
 	PERF_IP_FLAG_TRACE_BEGIN	= 1ULL << 8,
 	PERF_IP_FLAG_TRACE_END		= 1ULL << 9,
 	PERF_IP_FLAG_IN_TX		= 1ULL << 10,
+	PERF_IP_FLAG_VMENTRY		= 1ULL << 11,
+	PERF_IP_FLAG_VMEXIT		= 1ULL << 12,
 };
 
 #define PERF_IP_FLAG_CHARS "bcrosyiABEx"
@@ -110,7 +112,9 @@ enum {
 	PERF_IP_FLAG_INTERRUPT		|\
 	PERF_IP_FLAG_TX_ABORT		|\
 	PERF_IP_FLAG_TRACE_BEGIN	|\
-	PERF_IP_FLAG_TRACE_END)
+	PERF_IP_FLAG_TRACE_END		|\
+	PERF_IP_FLAG_VMENTRY		|\
+	PERF_IP_FLAG_VMEXIT)
 
 #define MAX_INSN 16
 
-- 
2.17.1