lkml.org 
[lkml]   [2014]   [Jun]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 2/7] tools lib traceevent: Factor out print_exit_reason in kvm plugin
Date
From: Jan Kiszka <jan.kiszka@siemens.com>

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>
---
tools/lib/traceevent/plugin_kvm.c | 17 +++++++++++++----
1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/tools/lib/traceevent/plugin_kvm.c b/tools/lib/traceevent/plugin_kvm.c
index 3e61220..2d7d1d7 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);

--
1.8.3.1


\
 
 \ /
  Last update: 2014-06-23 11:41    [W:0.067 / U:0.420 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site