From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
We will reuse it for nested vmexit tracepoints.
Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
---
plugin_kvm.c | 17 +++++++++++++----
1 file changed, 13 insertions(+), 4 deletions(-)
diff --git a/plugin_kvm.c b/plugin_kvm.c
index 59443e5..c407e55 100644
--- a/plugin_kvm.c
+++ b/plugin_kvm.c
@@ -244,15 +244,14 @@ static const char *find_exit_reason(unsigned isa, int val)
return strings[i].str;
}
-static int kvm_exit_handler(struct trace_seq *s, struct pevent_record *record,
- struct event_format *event, void *context)
+static int print_exit_reason(struct trace_seq *s, struct pevent_record *record,
+ struct event_format *event, const char *field)
{
unsigned long long isa;
unsigned long long val;
- unsigned long long info1 = 0, info2 = 0;
const char *reason;
- if (pevent_get_field_val(s, event, "exit_reason", record, &val, 1) < 0)
+ if (pevent_get_field_val(s, event, field, record, &val, 1) < 0)
return -1;
if (pevent_get_field_val(s, event, "isa", record, &isa, 0) < 0)
@@ -263,6 +262,16 @@ static int kvm_exit_handler(struct trace_seq *s, struct pevent_record *record,
trace_seq_printf(s, "reason %s", reason);
else
trace_seq_printf(s, "reason UNKNOWN (%llu)", val);
+ return 0;
+}
+
+static int kvm_exit_handler(struct trace_seq *s, struct pevent_record *record,
+ struct event_format *event, void *context)
+{
+ unsigned long long info1 = 0, info2 = 0;
+
+ if (print_exit_reason(s, record, event, "exit_reason") < 0)
+ return -1;
pevent_print_num_field(s, " rip 0x%lx", event, "guest_rip", record, 1);
--
1.8.1.1.298.ge7eed54
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