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Commit f3fe8e4a authored by Steven Rostedt's avatar Steven Rostedt
Browse files

tracing: add schedule events to event trace 



This patch changes the trace/sched.h to use the DECLARE_TRACE_FMT
such that they are automatically registered with the event tracer.

And it also adds the tracing sched headers to kernel/trace/events.c

Signed-off-by: default avatarSteven Rostedt <srostedt@redhat.com>
parent b77e38aa

include/trace/sched.h

+1 −48
Original line number Original line Diff line number Diff line
@@ -4,53 +4,6 @@ 
#include <linux/sched.h>

#include <linux/sched.h>

#include <linux/tracepoint.h>

#include <linux/tracepoint.h>





DECLARE_TRACE(sched_kthread_stop,

#include <trace/sched_event_types.h>

	TPPROTO(struct task_struct *t),

		TPARGS(t));



DECLARE_TRACE(sched_kthread_stop_ret,

	TPPROTO(int ret),

		TPARGS(ret));



DECLARE_TRACE(sched_wait_task,

	TPPROTO(struct rq *rq, struct task_struct *p),

		TPARGS(rq, p));



DECLARE_TRACE(sched_wakeup,

	TPPROTO(struct rq *rq, struct task_struct *p, int success),

		TPARGS(rq, p, success));



DECLARE_TRACE(sched_wakeup_new,

	TPPROTO(struct rq *rq, struct task_struct *p, int success),

		TPARGS(rq, p, success));



DECLARE_TRACE(sched_switch,

	TPPROTO(struct rq *rq, struct task_struct *prev,

		struct task_struct *next),

		TPARGS(rq, prev, next));



DECLARE_TRACE(sched_migrate_task,

	TPPROTO(struct task_struct *p, int orig_cpu, int dest_cpu),

		TPARGS(p, orig_cpu, dest_cpu));



DECLARE_TRACE(sched_process_free,

	TPPROTO(struct task_struct *p),

		TPARGS(p));



DECLARE_TRACE(sched_process_exit,

	TPPROTO(struct task_struct *p),

		TPARGS(p));



DECLARE_TRACE(sched_process_wait,

	TPPROTO(struct pid *pid),

		TPARGS(pid));



DECLARE_TRACE(sched_process_fork,

	TPPROTO(struct task_struct *parent, struct task_struct *child),

		TPARGS(parent, child));



DECLARE_TRACE(sched_signal_send,

	TPPROTO(int sig, struct task_struct *p),

		TPARGS(sig, p));





#endif
 
#endif

include/trace/sched_event_types.h

0 → 100644
+72 −0
Original line number Original line Diff line number Diff line 


/* use <trace/sched.h> instead */

#ifndef DEFINE_TRACE_FMT

# error Do not include this file directly.

# error Unless you know what you are doing.

#endif



DEFINE_TRACE_FMT(sched_kthread_stop,

	TPPROTO(struct task_struct *t),

	TPARGS(t),

	TPFMT("task %s:%d", t->comm, t->pid));



DEFINE_TRACE_FMT(sched_kthread_stop_ret,

	TPPROTO(int ret),

	TPARGS(ret),

	TPFMT("ret=%d", ret));



DEFINE_TRACE_FMT(sched_wait_task,

	TPPROTO(struct rq *rq, struct task_struct *p),

	TPARGS(rq, p),

	TPFMT("task %s:%d", p->comm, p->pid));



DEFINE_TRACE_FMT(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"));



DEFINE_TRACE_FMT(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"));



DEFINE_TRACE_FMT(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));



DEFINE_TRACE_FMT(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));



DEFINE_TRACE_FMT(sched_process_free,

	TPPROTO(struct task_struct *p),

	TPARGS(p),

	TPFMT("task %s:%d", p->comm, p->pid));



DEFINE_TRACE_FMT(sched_process_exit,

	TPPROTO(struct task_struct *p),

	TPARGS(p),

	TPFMT("task %s:%d", p->comm, p->pid));



DEFINE_TRACE_FMT(sched_process_wait,

	TPPROTO(struct pid *pid),

	TPARGS(pid),

	TPFMT("pid %d", pid));



DEFINE_TRACE_FMT(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));



DEFINE_TRACE_FMT(sched_signal_send,

	TPPROTO(int sig, struct task_struct *p),

	TPARGS(sig, p),

	TPFMT("sig: %d   task %s:%d", sig, p->comm, p->pid));

kernel/trace/Makefile

+1 −0
Original line number Original line Diff line number Diff line
@@ -39,5 +39,6 @@ obj-$(CONFIG_KMEMTRACE) += kmemtrace.o 
obj-$(CONFIG_WORKQUEUE_TRACER) += trace_workqueue.o

obj-$(CONFIG_WORKQUEUE_TRACER) += trace_workqueue.o

obj-$(CONFIG_BLK_DEV_IO_TRACE)	+= blktrace.o

obj-$(CONFIG_BLK_DEV_IO_TRACE)	+= blktrace.o

obj-$(CONFIG_EVENT_TRACER) += trace_events.o

obj-$(CONFIG_EVENT_TRACER) += trace_events.o

obj-$(CONFIG_EVENT_TRACER) += events.o





libftrace-y := ftrace.o
 
libftrace-y := ftrace.o

kernel/trace/events.c

0 → 100644
+13 −0
Original line number Original line Diff line number Diff line 
/*

 * This is the place to register all trace points as events.

 * Include the trace/<type>.h at the top.

 * Include the trace/<type>_event_types.h at the bottom.

 */



/* trace/<type>.h here */

#include <trace/sched.h>



#include "trace_events.h"



/* trace/<type>_event_types.h here */

#include <trace/sched_event_types.h>