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

From: Adrian Hunter
Date: Thu Feb 18 2021 - 06:45:51 EST


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@xxxxxxxxx>
---
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