projects
/
platform
/
kernel
/
linux-rpi.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
| inline |
side by side
(parent:
746cf34
)
tracing: Save one trace_event->type by using __TRACE_LAST_TYPE
author
Wei Yang
<richard.weiyang@linux.alibaba.com>
Fri, 3 Jul 2020 02:06:10 +0000
(10:06 +0800)
committer
Steven Rostedt (VMware)
<rostedt@goodmis.org>
Thu, 9 Jul 2020 22:14:58 +0000
(18:14 -0400)
Static defined trace_event->type stops at (__TRACE_LAST_TYPE - 1) and
dynamic trace_event->type starts from (__TRACE_LAST_TYPE + 1).
To save one trace_event->type index, let's use __TRACE_LAST_TYPE.
Link:
https://lkml.kernel.org/r/20200703020612.12930-3-richard.weiyang@linux.alibaba.com
Signed-off-by: Wei Yang <richard.weiyang@linux.alibaba.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
kernel/trace/trace_output.c
patch
|
blob
|
history
diff --git
a/kernel/trace/trace_output.c
b/kernel/trace/trace_output.c
index
a35232d
..
4d18935
100644
(file)
--- a/
kernel/trace/trace_output.c
+++ b/
kernel/trace/trace_output.c
@@
-20,7
+20,7
@@
DECLARE_RWSEM(trace_event_sem);
static struct hlist_head event_hash[EVENT_HASHSIZE] __read_mostly;
-static int next_event_type = __TRACE_LAST_TYPE
+ 1
;
+static int next_event_type = __TRACE_LAST_TYPE;
enum print_line_t trace_print_bputs_msg_only(struct trace_iterator *iter)
{
@@
-675,7
+675,7
@@
static LIST_HEAD(ftrace_event_list);
static int trace_search_list(struct list_head **list)
{
struct trace_event *e;
- int next = __TRACE_LAST_TYPE
+ 1
;
+ int next = __TRACE_LAST_TYPE;
if (list_empty(&ftrace_event_list)) {
*list = &ftrace_event_list;