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tools lib traceevent: Factor out print_exit_reason in kvm plugin

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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>
This commit is contained in:
Jan Kiszka 2014-06-12 22:10:04 -04:00 committed by Jiri Olsa
parent 20d3cbd75e
commit 6f21037b32
1 changed files with 13 additions and 4 deletions
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17
tools/lib/traceevent/plugin_kvm.c
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@ -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);