tracing: create the C style tracing for the sched subsystem

This patch utilizes the TRACE_EVENT_FORMAT macro to enable the C style
faster tracing for the sched subsystem trace points.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>

2 files changed, 97 insertions, 25 deletions

diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
index 62d13391a240..152b2f03fb86 100644
--- a/include/linux/tracepoint.h
+++ b/include/linux/tracepoint.h
@@ -157,4 +157,7 @@ static inline void tracepoint_synchronize_unregister(void)
 #define TRACE_FORMAT(name, proto, args, fmt)            \
         DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
 
+#define TRACE_EVENT_FORMAT(name, proto, args, fmt, struct, tpfmt)       \
+        TRACE_FORMAT(name, PARAMS(proto), PARAMS(args), PARAMS(fmt))
+
 #endif
diff --git a/include/trace/sched_event_types.h b/include/trace/sched_event_types.h
index 2ada206565a3..ba059c10b58a 100644
--- a/include/trace/sched_event_types.h
+++ b/include/trace/sched_event_types.h
@@ -1,6 +1,6 @@
 
 /* use <trace/sched.h> instead */
-#ifndef TRACE_FORMAT
+#ifndef TRACE_EVENT_FORMAT
 # error Do not include this file directly.
 # error Unless you know what you are doing.
 #endif
@@ -8,70 +8,139 @@
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM sched
 
-TRACE_FORMAT(sched_kthread_stop,
+TRACE_EVENT_FORMAT(sched_kthread_stop,
         TPPROTO(struct task_struct *t),
         TPARGS(t),
-        TPFMT("task %s:%d", t->comm, t->pid));
+        TPFMT("task %s:%d", t->comm, t->pid),
+        TRACE_STRUCT(
+                TRACE_FIELD(pid_t, pid, t->pid)
+        ),
+        TPRAWFMT("task %d")
+        );
 
-TRACE_FORMAT(sched_kthread_stop_ret,
+TRACE_EVENT_FORMAT(sched_kthread_stop_ret,
         TPPROTO(int ret),
         TPARGS(ret),
-        TPFMT("ret=%d", ret));
+        TPFMT("ret=%d", ret),
+        TRACE_STRUCT(
+                TRACE_FIELD(int, ret, ret)
+        ),
+        TPRAWFMT("ret=%d")
+        );
 
-TRACE_FORMAT(sched_wait_task,
+TRACE_EVENT_FORMAT(sched_wait_task,
         TPPROTO(struct rq *rq, struct task_struct *p),
         TPARGS(rq, p),
-        TPFMT("task %s:%d", p->comm, p->pid));
+        TPFMT("task %s:%d", p->comm, p->pid),
+        TRACE_STRUCT(
+                TRACE_FIELD(pid_t, pid, p->pid)
+        ),
+        TPRAWFMT("task %d")
+        );
 
-TRACE_FORMAT(sched_wakeup,
+TRACE_EVENT_FORMAT(sched_wakeup,
         TPPROTO(struct rq *rq, struct task_struct *p, int success),
         TPARGS(rq, p, success),
         TPFMT("task %s:%d %s",
-              p->comm, p->pid, success?"succeeded":"failed"));
+              p->comm, p->pid, success ? "succeeded" : "failed"),
+        TRACE_STRUCT(
+                TRACE_FIELD(pid_t, pid, p->pid)
+                TRACE_FIELD(int, success, success)
+        ),
+        TPRAWFMT("task %d success=%d")
+        );
 
-TRACE_FORMAT(sched_wakeup_new,
+TRACE_EVENT_FORMAT(sched_wakeup_new,
         TPPROTO(struct rq *rq, struct task_struct *p, int success),
         TPARGS(rq, p, success),
         TPFMT("task %s:%d",
-              p->comm, p->pid, success?"succeeded":"failed"));
+              p->comm, p->pid, success ? "succeeded" : "failed"),
+        TRACE_STRUCT(
+                TRACE_FIELD(pid_t, pid, p->pid)
+                TRACE_FIELD(int, success, success)
+        ),
+        TPRAWFMT("task %d success=%d")
+        );
 
-TRACE_FORMAT(sched_switch,
+TRACE_EVENT_FORMAT(sched_switch,
         TPPROTO(struct rq *rq, struct task_struct *prev,
                 struct task_struct *next),
         TPARGS(rq, prev, next),
         TPFMT("task %s:%d ==> %s:%d",
-              prev->comm, prev->pid, next->comm, next->pid));
+              prev->comm, prev->pid, next->comm, next->pid),
+        TRACE_STRUCT(
+                TRACE_FIELD(pid_t, prev_pid, prev->pid)
+                TRACE_FIELD(int, prev_prio, prev->prio)
+                TRACE_FIELD(pid_t, next_pid, next->pid)
+                TRACE_FIELD(int, next_prio, next->prio)
+        ),
+        TPRAWFMT("prev %d:%d ==> next %d:%d")
+        );
 
-TRACE_FORMAT(sched_migrate_task,
+TRACE_EVENT_FORMAT(sched_migrate_task,
         TPPROTO(struct task_struct *p, int orig_cpu, int dest_cpu),
         TPARGS(p, orig_cpu, dest_cpu),
         TPFMT("task %s:%d from: %d  to: %d",
-              p->comm, p->pid, orig_cpu, dest_cpu));
+              p->comm, p->pid, orig_cpu, dest_cpu),
+        TRACE_STRUCT(
+                TRACE_FIELD(pid_t, pid, p->pid)
+                TRACE_FIELD(int, orig_cpu, orig_cpu)
+                TRACE_FIELD(int, dest_cpu, dest_cpu)
+        ),
+        TPRAWFMT("task %d  from: %d to: %d")
+        );
 
-TRACE_FORMAT(sched_process_free,
+TRACE_EVENT_FORMAT(sched_process_free,
         TPPROTO(struct task_struct *p),
         TPARGS(p),
-        TPFMT("task %s:%d", p->comm, p->pid));
+        TPFMT("task %s:%d", p->comm, p->pid),
+        TRACE_STRUCT(
+                TRACE_FIELD(pid_t, pid, p->pid)
+        ),
+        TPRAWFMT("task %d")
+        );
 
-TRACE_FORMAT(sched_process_exit,
+TRACE_EVENT_FORMAT(sched_process_exit,
         TPPROTO(struct task_struct *p),
         TPARGS(p),
-        TPFMT("task %s:%d", p->comm, p->pid));
+        TPFMT("task %s:%d", p->comm, p->pid),
+        TRACE_STRUCT(
+                TRACE_FIELD(pid_t, pid, p->pid)
+        ),
+        TPRAWFMT("task %d")
+        );
 
-TRACE_FORMAT(sched_process_wait,
+TRACE_EVENT_FORMAT(sched_process_wait,
         TPPROTO(struct pid *pid),
         TPARGS(pid),
-        TPFMT("pid %d", pid));
+        TPFMT("pid %d", pid_nr(pid)),
+        TRACE_STRUCT(
+                TRACE_FIELD(pid_t, pid, pid_nr(pid))
+        ),
+        TPRAWFMT("task %d")
+        );
 
-TRACE_FORMAT(sched_process_fork,
+TRACE_EVENT_FORMAT(sched_process_fork,
         TPPROTO(struct task_struct *parent, struct task_struct *child),
         TPARGS(parent, child),
         TPFMT("parent %s:%d  child %s:%d",
-              parent->comm, parent->pid, child->comm, child->pid));
+              parent->comm, parent->pid, child->comm, child->pid),
+        TRACE_STRUCT(
+                TRACE_FIELD(pid_t, parent, parent->pid)
+                TRACE_FIELD(pid_t, child, child->pid)
+        ),
+        TPRAWFMT("parent %d  child %d")
+        );
 
-TRACE_FORMAT(sched_signal_send,
+TRACE_EVENT_FORMAT(sched_signal_send,
         TPPROTO(int sig, struct task_struct *p),
         TPARGS(sig, p),
-        TPFMT("sig: %d   task %s:%d", sig, p->comm, p->pid));
+        TPFMT("sig: %d   task %s:%d", sig, p->comm, p->pid),
+        TRACE_STRUCT(
+                TRACE_FIELD(int, sig, sig)
+                TRACE_FIELD(pid_t, pid, p->pid)
+        ),
+        TPRAWFMT("sig: %d  task %d")
+        );
 
 #undef TRACE_SYSTEM