[RFC PATCH 4/5] tracing/events: modify sched print to new format

[Steven Rostedt]

From: Steven Rostedt <srostedt@xxxxxxxxxx>

Use new format for better parsing of sched events.

Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
---
 include/trace/events/sched.h |   49 ++++++++++++++---------------------------
 1 files changed, 17 insertions(+), 32 deletions(-)

diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
index 24ab5bc..beb1584 100644
--- a/include/trace/events/sched.h
+++ b/include/trace/events/sched.h
@@ -26,7 +26,7 @@ TRACE_EVENT(sched_kthread_stop,
 		__entry->pid	= t->pid;
 	),
 
-	TP_printk("task %s:%d", __entry->comm, __entry->pid)
+	TP_FORMAT("task <strarray:comm>:<int:pid>")
 );
 
 /*
@@ -46,7 +46,7 @@ TRACE_EVENT(sched_kthread_stop_ret,
 		__entry->ret	= ret;
 	),
 
-	TP_printk("ret %d", __entry->ret)
+	TP_FORMAT("ret <int:ret>")
 );
 
 /*
@@ -73,8 +73,7 @@ TRACE_EVENT(sched_wait_task,
 		__entry->prio	= p->prio;
 	),
 
-	TP_printk("task %s:%d [%d]",
-		  __entry->comm, __entry->pid, __entry->prio)
+	TP_FORMAT("task <strarray:comm>:<int:pid> [<int:prio>]")
 );
 
 /*
@@ -103,9 +102,7 @@ TRACE_EVENT(sched_wakeup,
 		__entry->success	= success;
 	),
 
-	TP_printk("task %s:%d [%d] success=%d",
-		  __entry->comm, __entry->pid, __entry->prio,
-		  __entry->success)
+	TP_FORMAT("task <strarray:comm>:<int:pid> [<int:prio>] success=<int:success>")
 );
 
 /*
@@ -134,9 +131,7 @@ TRACE_EVENT(sched_wakeup_new,
 		__entry->success	= success;
 	),
 
-	TP_printk("task %s:%d [%d] success=%d",
-		  __entry->comm, __entry->pid, __entry->prio,
-		  __entry->success)
+	TP_FORMAT("task <strarray:comm>:<int:pid> [<int:prio>] success=<int:success>")
 );
 
 /*
@@ -172,14 +167,10 @@ TRACE_EVENT(sched_switch,
 		__entry->next_prio	= next->prio;
 	),
 
-	TP_printk("task %s:%d [%d] (%s) ==> %s:%d [%d]",
-		__entry->prev_comm, __entry->prev_pid, __entry->prev_prio,
-		__entry->prev_state ?
-		  __print_flags(__entry->prev_state, "|",
-				{ 1, "S"} , { 2, "D" }, { 4, "T" }, { 8, "t" },
-				{ 16, "Z" }, { 32, "X" }, { 64, "x" },
-				{ 128, "W" }) : "R",
-		__entry->next_comm, __entry->next_pid, __entry->next_prio)
+	TP_FORMAT("task <strarray:prev_comm>:<int:prev_pid> [<int:prev_prio>] "
+		  "(<mask:prev_state:|:0=R,1=S,2=D,4=T,8=t,16=Z,32=X,64=x,128=W>)"
+		  " ==> "
+		  "task <strarray:next_comm>:<int:next_pid> [<int:next_prio>]")
 );
 
 /*
@@ -207,9 +198,8 @@ TRACE_EVENT(sched_migrate_task,
 		__entry->dest_cpu	= dest_cpu;
 	),
 
-	TP_printk("task %s:%d [%d] from: %d  to: %d",
-		  __entry->comm, __entry->pid, __entry->prio,
-		  __entry->orig_cpu, __entry->dest_cpu)
+	TP_FORMAT("task <strarray:comm>:<int:pid> [<int:prio>] "
+		  "from: <int:orig_cpu>  to: <int:dest_cpu>")
 );
 
 /*
@@ -233,8 +223,7 @@ TRACE_EVENT(sched_process_free,
 		__entry->prio		= p->prio;
 	),
 
-	TP_printk("task %s:%d [%d]",
-		  __entry->comm, __entry->pid, __entry->prio)
+	TP_FORMAT("task <strarray:comm>:<int:pid> [<int:prio>]")
 );
 
 /*
@@ -258,8 +247,7 @@ TRACE_EVENT(sched_process_exit,
 		__entry->prio		= p->prio;
 	),
 
-	TP_printk("task %s:%d [%d]",
-		  __entry->comm, __entry->pid, __entry->prio)
+	TP_FORMAT("task <strarray:comm>:<int:pid> [<int:prio>]")
 );
 
 /*
@@ -283,8 +271,7 @@ TRACE_EVENT(sched_process_wait,
 		__entry->prio		= current->prio;
 	),
 
-	TP_printk("task %s:%d [%d]",
-		  __entry->comm, __entry->pid, __entry->prio)
+	TP_FORMAT("task <strarray:comm>:<int:pid> [<int:prio>]")
 );
 
 /*
@@ -310,9 +297,8 @@ TRACE_EVENT(sched_process_fork,
 		__entry->child_pid	= child->pid;
 	),
 
-	TP_printk("parent %s:%d  child %s:%d",
-		__entry->parent_comm, __entry->parent_pid,
-		__entry->child_comm, __entry->child_pid)
+	TP_FORMAT("parent <strarray:parent_comm>:<int:parent_pid>"
+		  "  child <strarray:child_comm>:<int:child_pid>")
 );
 
 /*
@@ -336,8 +322,7 @@ TRACE_EVENT(sched_signal_send,
 		__entry->sig	= sig;
 	),
 
-	TP_printk("sig: %d  task %s:%d",
-		  __entry->sig, __entry->comm, __entry->pid)
+	TP_FORMAT("sig: <int:sig>  task <strarray:comm>:<int:pid>")
 );
 
 #endif /* _TRACE_SCHED_H */
-- 
1.6.3.1

-- 
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