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authorJan Kiszka <jan.kiszka@siemens.com>2014-06-12 22:10:04 -0400
committerJiri Olsa <jolsa@kernel.org>2014-06-19 18:18:20 +0200
commit6f21037b3295d4ba20ad2cc7cd4073ec64440f8f (patch)
tree028cca25c48254645d06f54050b766436809371b /tools/lib
parenttools lib traceevent: Report unknown VMX exit reasons with code (diff)
downloadlinux-dev-6f21037b3295d4ba20ad2cc7cd4073ec64440f8f.tar.xz
linux-dev-6f21037b3295d4ba20ad2cc7cd4073ec64440f8f.zip
tools lib traceevent: Factor out print_exit_reason in kvm plugin
We will reuse it for nested vmexit tracepoints. Link: http://lkml.kernel.org/r/619c418c8af87f03027b8c8013b0443996605700.1388855989.git.jan.kiszka@web.de Acked-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Diffstat (limited to 'tools/lib')
-rw-r--r--tools/lib/traceevent/plugin_kvm.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/tools/lib/traceevent/plugin_kvm.c b/tools/lib/traceevent/plugin_kvm.c
index 3e6122067d67..2d7d1d7df0a8 100644
--- a/tools/lib/traceevent/plugin_kvm.c
+++ b/tools/lib/traceevent/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);