tracing: Convert more sched events to DEFINE_EVENT

Convert sched_wait_task to DEFINE_EVENT, and save ~1K:

   text    data     bss     dec     hex filename
 104595    9424    4992  119011   1d0e3 kernel/sched.o.orig
 103619    9344    4992  117955   1ccc3 kernel/sched.o

No change in functionality.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
LKML-Reference: <4BFA3787.2040800@cn.fujitsu.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
index b9e1dd6..9208c92 100644 (file)
--- a/include/trace/events/sched.h
+++ b/include/trace/events/sched.h
@@ -49,31 +49,6 @@ TRACE_EVENT(sched_kthread_stop_ret,
        TP_printk("ret=%d", __entry->ret)
 );
 
-/*
- * Tracepoint for waiting on task to unschedule:
- */
-TRACE_EVENT(sched_wait_task,
-
-       TP_PROTO(struct task_struct *p),
-
-       TP_ARGS(p),
-
-       TP_STRUCT__entry(
-               __array(        char,   comm,   TASK_COMM_LEN   )
-               __field(        pid_t,  pid                     )
-               __field(        int,    prio                    )
-       ),
-
-       TP_fast_assign(
-               memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
-               __entry->pid    = p->pid;
-               __entry->prio   = p->prio;
-       ),
-
-       TP_printk("comm=%s pid=%d prio=%d",
-                 __entry->comm, __entry->pid, __entry->prio)
-);
-
 /*
  * Tracepoint for waking up a task:
  */
@@ -239,6 +214,13 @@ DEFINE_EVENT(sched_process_template, sched_process_exit,
             TP_PROTO(struct task_struct *p),
             TP_ARGS(p));
 
+/*
+ * Tracepoint for waiting on task to unschedule:
+ */
+DEFINE_EVENT(sched_process_template, sched_wait_task,
+       TP_PROTO(struct task_struct *p),
+       TP_ARGS(p));
+
 /*
  * Tracepoint for a waiting task:
  */