#include <linux/tracepoint.h>
DECLARE_TRACE(subsys_eventname,
- TPPROTO(int firstarg, struct task_struct *p),
- TPARGS(firstarg, p));
+ TP_PROTO(int firstarg, struct task_struct *p),
+ TP_ARGS(firstarg, p));
In subsys/file.c (where the tracing statement must be added) :
- subsys is the name of your subsystem.
- eventname is the name of the event to trace.
-- TPPROTO(int firstarg, struct task_struct *p) is the prototype of the
+- TP_PROTO(int firstarg, struct task_struct *p) is the prototype of the
function called by this tracepoint.
-- TPARGS(firstarg, p) are the parameters names, same as found in the
+- TP_ARGS(firstarg, p) are the parameters names, same as found in the
prototype.
Connecting a function (probe) to a tracepoint is done by providing a
* Keep in sync with vmlinux.lds.h.
*/
-#define TPPROTO(args...) args
-#define TPARGS(args...) args
+#define TP_PROTO(args...) args
+#define TP_ARGS(args...) args
#ifdef CONFIG_TRACEPOINTS
{ \
if (unlikely(__tracepoint_##name.state)) \
__DO_TRACE(&__tracepoint_##name, \
- TPPROTO(proto), TPARGS(args)); \
+ TP_PROTO(proto), TP_ARGS(args)); \
} \
static inline int register_trace_##name(void (*probe)(proto)) \
{ \
#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))
+#define TRACE_EVENT(name, proto, args, struct, print, assign) \
+ DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
#endif
#include <linux/tracepoint.h>
DECLARE_TRACE(block_rq_abort,
- TPPROTO(struct request_queue *q, struct request *rq),
- TPARGS(q, rq));
+ TP_PROTO(struct request_queue *q, struct request *rq),
+ TP_ARGS(q, rq));
DECLARE_TRACE(block_rq_insert,
- TPPROTO(struct request_queue *q, struct request *rq),
- TPARGS(q, rq));
+ TP_PROTO(struct request_queue *q, struct request *rq),
+ TP_ARGS(q, rq));
DECLARE_TRACE(block_rq_issue,
- TPPROTO(struct request_queue *q, struct request *rq),
- TPARGS(q, rq));
+ TP_PROTO(struct request_queue *q, struct request *rq),
+ TP_ARGS(q, rq));
DECLARE_TRACE(block_rq_requeue,
- TPPROTO(struct request_queue *q, struct request *rq),
- TPARGS(q, rq));
+ TP_PROTO(struct request_queue *q, struct request *rq),
+ TP_ARGS(q, rq));
DECLARE_TRACE(block_rq_complete,
- TPPROTO(struct request_queue *q, struct request *rq),
- TPARGS(q, rq));
+ TP_PROTO(struct request_queue *q, struct request *rq),
+ TP_ARGS(q, rq));
DECLARE_TRACE(block_bio_bounce,
- TPPROTO(struct request_queue *q, struct bio *bio),
- TPARGS(q, bio));
+ TP_PROTO(struct request_queue *q, struct bio *bio),
+ TP_ARGS(q, bio));
DECLARE_TRACE(block_bio_complete,
- TPPROTO(struct request_queue *q, struct bio *bio),
- TPARGS(q, bio));
+ TP_PROTO(struct request_queue *q, struct bio *bio),
+ TP_ARGS(q, bio));
DECLARE_TRACE(block_bio_backmerge,
- TPPROTO(struct request_queue *q, struct bio *bio),
- TPARGS(q, bio));
+ TP_PROTO(struct request_queue *q, struct bio *bio),
+ TP_ARGS(q, bio));
DECLARE_TRACE(block_bio_frontmerge,
- TPPROTO(struct request_queue *q, struct bio *bio),
- TPARGS(q, bio));
+ TP_PROTO(struct request_queue *q, struct bio *bio),
+ TP_ARGS(q, bio));
DECLARE_TRACE(block_bio_queue,
- TPPROTO(struct request_queue *q, struct bio *bio),
- TPARGS(q, bio));
+ TP_PROTO(struct request_queue *q, struct bio *bio),
+ TP_ARGS(q, bio));
DECLARE_TRACE(block_getrq,
- TPPROTO(struct request_queue *q, struct bio *bio, int rw),
- TPARGS(q, bio, rw));
+ TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
+ TP_ARGS(q, bio, rw));
DECLARE_TRACE(block_sleeprq,
- TPPROTO(struct request_queue *q, struct bio *bio, int rw),
- TPARGS(q, bio, rw));
+ TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
+ TP_ARGS(q, bio, rw));
DECLARE_TRACE(block_plug,
- TPPROTO(struct request_queue *q),
- TPARGS(q));
+ TP_PROTO(struct request_queue *q),
+ TP_ARGS(q));
DECLARE_TRACE(block_unplug_timer,
- TPPROTO(struct request_queue *q),
- TPARGS(q));
+ TP_PROTO(struct request_queue *q),
+ TP_ARGS(q));
DECLARE_TRACE(block_unplug_io,
- TPPROTO(struct request_queue *q),
- TPARGS(q));
+ TP_PROTO(struct request_queue *q),
+ TP_ARGS(q));
DECLARE_TRACE(block_split,
- TPPROTO(struct request_queue *q, struct bio *bio, unsigned int pdu),
- TPARGS(q, bio, pdu));
+ TP_PROTO(struct request_queue *q, struct bio *bio, unsigned int pdu),
+ TP_ARGS(q, bio, pdu));
DECLARE_TRACE(block_remap,
- TPPROTO(struct request_queue *q, struct bio *bio, dev_t dev,
- sector_t from, sector_t to),
- TPARGS(q, bio, dev, from, to));
+ TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
+ sector_t from, sector_t to),
+ TP_ARGS(q, bio, dev, from, to));
#endif
#undef TRACE_SYSTEM
#define TRACE_SYSTEM irq
-TRACE_EVENT_FORMAT(irq_handler_entry,
- TPPROTO(int irq, struct irqaction *action),
- TPARGS(irq, action),
- TPFMT("irq=%d handler=%s", irq, action->name),
- TRACE_STRUCT(
- TRACE_FIELD(int, irq, irq)
- ),
- TPRAWFMT("irq %d")
+/*
+ * Tracepoint for entry of interrupt handler:
+ */
+TRACE_FORMAT(irq_handler_entry,
+ TP_PROTO(int irq, struct irqaction *action),
+ TP_ARGS(irq, action),
+ TP_FMT("irq=%d handler=%s", irq, action->name)
);
-TRACE_EVENT_FORMAT(irq_handler_exit,
- TPPROTO(int irq, struct irqaction *action, int ret),
- TPARGS(irq, action, ret),
- TPFMT("irq=%d handler=%s return=%s",
- irq, action->name, ret ? "handled" : "unhandled"),
- TRACE_STRUCT(
- TRACE_FIELD(int, irq, irq)
- TRACE_FIELD(int, ret, ret)
+/*
+ * Tracepoint for return of an interrupt handler:
+ */
+TRACE_EVENT(irq_handler_exit,
+
+ TP_PROTO(int irq, struct irqaction *action, int ret),
+
+ TP_ARGS(irq, action, ret),
+
+ TP_STRUCT__entry(
+ __field( int, irq )
+ __field( int, ret )
),
- TPRAWFMT("irq %d ret %d")
- );
+
+ TP_printk("irq=%d return=%s",
+ __entry->irq, __entry->ret ? "handled" : "unhandled"),
+
+ TP_fast_assign(
+ __entry->irq = irq;
+ __entry->ret = ret;
+ )
+);
#undef TRACE_SYSTEM
-#ifndef TRACE_EVENT_FORMAT
+#ifndef TRACE_FORMAT
# error Do not include this file directly.
# error Unless you know what you are doing.
#endif
#ifdef CONFIG_LOCKDEP
TRACE_FORMAT(lock_acquire,
- TPPROTO(struct lockdep_map *lock, unsigned int subclass,
+ TP_PROTO(struct lockdep_map *lock, unsigned int subclass,
int trylock, int read, int check,
struct lockdep_map *next_lock, unsigned long ip),
- TPARGS(lock, subclass, trylock, read, check, next_lock, ip),
- TPFMT("%s%s%s", trylock ? "try " : "",
+ TP_ARGS(lock, subclass, trylock, read, check, next_lock, ip),
+ TP_FMT("%s%s%s", trylock ? "try " : "",
read ? "read " : "", lock->name)
);
TRACE_FORMAT(lock_release,
- TPPROTO(struct lockdep_map *lock, int nested, unsigned long ip),
- TPARGS(lock, nested, ip),
- TPFMT("%s", lock->name)
+ TP_PROTO(struct lockdep_map *lock, int nested, unsigned long ip),
+ TP_ARGS(lock, nested, ip),
+ TP_FMT("%s", lock->name)
);
#ifdef CONFIG_LOCK_STAT
TRACE_FORMAT(lock_contended,
- TPPROTO(struct lockdep_map *lock, unsigned long ip),
- TPARGS(lock, ip),
- TPFMT("%s", lock->name)
+ TP_PROTO(struct lockdep_map *lock, unsigned long ip),
+ TP_ARGS(lock, ip),
+ TP_FMT("%s", lock->name)
);
TRACE_FORMAT(lock_acquired,
- TPPROTO(struct lockdep_map *lock, unsigned long ip),
- TPARGS(lock, ip),
- TPFMT("%s", lock->name)
+ TP_PROTO(struct lockdep_map *lock, unsigned long ip),
+ TP_ARGS(lock, ip),
+ TP_FMT("%s", lock->name)
);
#endif
};
DECLARE_TRACE(power_start,
- TPPROTO(struct power_trace *it, unsigned int type, unsigned int state),
- TPARGS(it, type, state));
+ TP_PROTO(struct power_trace *it, unsigned int type, unsigned int state),
+ TP_ARGS(it, type, state));
DECLARE_TRACE(power_mark,
- TPPROTO(struct power_trace *it, unsigned int type, unsigned int state),
- TPARGS(it, type, state));
+ TP_PROTO(struct power_trace *it, unsigned int type, unsigned int state),
+ TP_ARGS(it, type, state));
DECLARE_TRACE(power_end,
- TPPROTO(struct power_trace *it),
- TPARGS(it));
+ TP_PROTO(struct power_trace *it),
+ TP_ARGS(it));
#endif /* _TRACE_POWER_H */
/* use <trace/sched.h> instead */
-#ifndef TRACE_EVENT_FORMAT
+#ifndef TRACE_EVENT
# error Do not include this file directly.
# error Unless you know what you are doing.
#endif
#undef TRACE_SYSTEM
#define TRACE_SYSTEM sched
-TRACE_EVENT_FORMAT(sched_kthread_stop,
- TPPROTO(struct task_struct *t),
- TPARGS(t),
- TPFMT("task %s:%d", t->comm, t->pid),
- TRACE_STRUCT(
- TRACE_FIELD(pid_t, pid, t->pid)
+/*
+ * Tracepoint for calling kthread_stop, performed to end a kthread:
+ */
+TRACE_EVENT(sched_kthread_stop,
+
+ TP_PROTO(struct task_struct *t),
+
+ TP_ARGS(t),
+
+ TP_STRUCT__entry(
+ __array( char, comm, TASK_COMM_LEN )
+ __field( pid_t, pid )
),
- TPRAWFMT("task %d")
- );
-
-TRACE_EVENT_FORMAT(sched_kthread_stop_ret,
- TPPROTO(int ret),
- TPARGS(ret),
- TPFMT("ret=%d", ret),
- TRACE_STRUCT(
- TRACE_FIELD(int, ret, ret)
+
+ TP_printk("task %s:%d", __entry->comm, __entry->pid),
+
+ TP_fast_assign(
+ memcpy(__entry->comm, t->comm, TASK_COMM_LEN);
+ __entry->pid = t->pid;
+ )
+);
+
+/*
+ * Tracepoint for the return value of the kthread stopping:
+ */
+TRACE_EVENT(sched_kthread_stop_ret,
+
+ TP_PROTO(int ret),
+
+ TP_ARGS(ret),
+
+ TP_STRUCT__entry(
+ __field( int, ret )
),
- TPRAWFMT("ret=%d")
- );
-
-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),
- TRACE_STRUCT(
- TRACE_FIELD(pid_t, pid, p->pid)
+
+ TP_printk("ret %d", __entry->ret),
+
+ TP_fast_assign(
+ __entry->ret = ret;
+ )
+);
+
+/*
+ * Tracepoint for waiting on task to unschedule:
+ *
+ * (NOTE: the 'rq' argument is not used by generic trace events,
+ * but used by the latency tracer plugin. )
+ */
+TRACE_EVENT(sched_wait_task,
+
+ TP_PROTO(struct rq *rq, struct task_struct *p),
+
+ TP_ARGS(rq, p),
+
+ TP_STRUCT__entry(
+ __array( char, comm, TASK_COMM_LEN )
+ __field( pid_t, pid )
+ __field( int, prio )
),
- TPRAWFMT("task %d")
- );
-
-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"),
- TRACE_STRUCT(
- TRACE_FIELD(pid_t, pid, p->pid)
- TRACE_FIELD(int, success, success)
+
+ TP_printk("task %s:%d [%d]",
+ __entry->comm, __entry->pid, __entry->prio),
+
+ TP_fast_assign(
+ memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
+ __entry->pid = p->pid;
+ __entry->prio = p->prio;
+ )
+);
+
+/*
+ * Tracepoint for waking up a task:
+ *
+ * (NOTE: the 'rq' argument is not used by generic trace events,
+ * but used by the latency tracer plugin. )
+ */
+TRACE_EVENT(sched_wakeup,
+
+ TP_PROTO(struct rq *rq, struct task_struct *p, int success),
+
+ TP_ARGS(rq, p, success),
+
+ TP_STRUCT__entry(
+ __array( char, comm, TASK_COMM_LEN )
+ __field( pid_t, pid )
+ __field( int, prio )
+ __field( int, success )
),
- TPRAWFMT("task %d success=%d")
- );
-
-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"),
- TRACE_STRUCT(
- TRACE_FIELD(pid_t, pid, p->pid)
- TRACE_FIELD(int, success, success)
+
+ TP_printk("task %s:%d [%d] success=%d",
+ __entry->comm, __entry->pid, __entry->prio,
+ __entry->success),
+
+ TP_fast_assign(
+ memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
+ __entry->pid = p->pid;
+ __entry->prio = p->prio;
+ __entry->success = success;
+ )
+);
+
+/*
+ * Tracepoint for waking up a new task:
+ *
+ * (NOTE: the 'rq' argument is not used by generic trace events,
+ * but used by the latency tracer plugin. )
+ */
+TRACE_EVENT(sched_wakeup_new,
+
+ TP_PROTO(struct rq *rq, struct task_struct *p, int success),
+
+ TP_ARGS(rq, p, success),
+
+ TP_STRUCT__entry(
+ __array( char, comm, TASK_COMM_LEN )
+ __field( pid_t, pid )
+ __field( int, prio )
+ __field( int, success )
),
- TPRAWFMT("task %d success=%d")
- );
-
-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),
- TRACE_STRUCT(
- TRACE_FIELD(pid_t, prev_pid, prev->pid)
- TRACE_FIELD(int, prev_prio, prev->prio)
- TRACE_FIELD_SPECIAL(char next_comm[TASK_COMM_LEN],
- next_comm,
- TPCMD(memcpy(TRACE_ENTRY->next_comm,
- next->comm,
- TASK_COMM_LEN)))
- TRACE_FIELD(pid_t, next_pid, next->pid)
- TRACE_FIELD(int, next_prio, next->prio)
+
+ TP_printk("task %s:%d [%d] success=%d",
+ __entry->comm, __entry->pid, __entry->prio,
+ __entry->success),
+
+ TP_fast_assign(
+ memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
+ __entry->pid = p->pid;
+ __entry->prio = p->prio;
+ __entry->success = success;
+ )
+);
+
+/*
+ * Tracepoint for task switches, performed by the scheduler:
+ *
+ * (NOTE: the 'rq' argument is not used by generic trace events,
+ * but used by the latency tracer plugin. )
+ */
+TRACE_EVENT(sched_switch,
+
+ TP_PROTO(struct rq *rq, struct task_struct *prev,
+ struct task_struct *next),
+
+ TP_ARGS(rq, prev, next),
+
+ TP_STRUCT__entry(
+ __array( char, prev_comm, TASK_COMM_LEN )
+ __field( pid_t, prev_pid )
+ __field( int, prev_prio )
+ __array( char, next_comm, TASK_COMM_LEN )
+ __field( pid_t, next_pid )
+ __field( int, next_prio )
),
- TPRAWFMT("prev %d:%d ==> next %s:%d:%d")
- );
-
-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),
- TRACE_STRUCT(
- TRACE_FIELD(pid_t, pid, p->pid)
- TRACE_FIELD(int, orig_cpu, orig_cpu)
- TRACE_FIELD(int, dest_cpu, dest_cpu)
+
+ TP_printk("task %s:%d [%d] ==> %s:%d [%d]",
+ __entry->prev_comm, __entry->prev_pid, __entry->prev_prio,
+ __entry->next_comm, __entry->next_pid, __entry->next_prio),
+
+ TP_fast_assign(
+ memcpy(__entry->next_comm, next->comm, TASK_COMM_LEN);
+ __entry->prev_pid = prev->pid;
+ __entry->prev_prio = prev->prio;
+ memcpy(__entry->prev_comm, prev->comm, TASK_COMM_LEN);
+ __entry->next_pid = next->pid;
+ __entry->next_prio = next->prio;
+ )
+);
+
+/*
+ * Tracepoint for a task being migrated:
+ */
+TRACE_EVENT(sched_migrate_task,
+
+ TP_PROTO(struct task_struct *p, int orig_cpu, int dest_cpu),
+
+ TP_ARGS(p, orig_cpu, dest_cpu),
+
+ TP_STRUCT__entry(
+ __array( char, comm, TASK_COMM_LEN )
+ __field( pid_t, pid )
+ __field( int, prio )
+ __field( int, orig_cpu )
+ __field( int, dest_cpu )
),
- TPRAWFMT("task %d from: %d to: %d")
- );
-
-TRACE_EVENT_FORMAT(sched_process_free,
- TPPROTO(struct task_struct *p),
- TPARGS(p),
- TPFMT("task %s:%d", p->comm, p->pid),
- TRACE_STRUCT(
- TRACE_FIELD(pid_t, pid, p->pid)
+
+ TP_printk("task %s:%d [%d] from: %d to: %d",
+ __entry->comm, __entry->pid, __entry->prio,
+ __entry->orig_cpu, __entry->dest_cpu),
+
+ TP_fast_assign(
+ memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
+ __entry->pid = p->pid;
+ __entry->prio = p->prio;
+ __entry->orig_cpu = orig_cpu;
+ __entry->dest_cpu = dest_cpu;
+ )
+);
+
+/*
+ * Tracepoint for freeing a task:
+ */
+TRACE_EVENT(sched_process_free,
+
+ 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 )
),
- TPRAWFMT("task %d")
- );
-
-TRACE_EVENT_FORMAT(sched_process_exit,
- TPPROTO(struct task_struct *p),
- TPARGS(p),
- TPFMT("task %s:%d", p->comm, p->pid),
- TRACE_STRUCT(
- TRACE_FIELD(pid_t, pid, p->pid)
+
+ TP_printk("task %s:%d [%d]",
+ __entry->comm, __entry->pid, __entry->prio),
+
+ TP_fast_assign(
+ memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
+ __entry->pid = p->pid;
+ __entry->prio = p->prio;
+ )
+);
+
+/*
+ * Tracepoint for a task exiting:
+ */
+TRACE_EVENT(sched_process_exit,
+
+ 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 )
),
- TPRAWFMT("task %d")
- );
-
-TRACE_EVENT_FORMAT(sched_process_wait,
- TPPROTO(struct pid *pid),
- TPARGS(pid),
- TPFMT("pid %d", pid_nr(pid)),
- TRACE_STRUCT(
- TRACE_FIELD(pid_t, pid, pid_nr(pid))
+
+ TP_printk("task %s:%d [%d]",
+ __entry->comm, __entry->pid, __entry->prio),
+
+ TP_fast_assign(
+ memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
+ __entry->pid = p->pid;
+ __entry->prio = p->prio;
+ )
+);
+
+/*
+ * Tracepoint for a waiting task:
+ */
+TRACE_EVENT(sched_process_wait,
+
+ TP_PROTO(struct pid *pid),
+
+ TP_ARGS(pid),
+
+ TP_STRUCT__entry(
+ __array( char, comm, TASK_COMM_LEN )
+ __field( pid_t, pid )
+ __field( int, prio )
),
- TPRAWFMT("task %d")
- );
-
-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),
- TRACE_STRUCT(
- TRACE_FIELD(pid_t, parent, parent->pid)
- TRACE_FIELD(pid_t, child, child->pid)
+
+ TP_printk("task %s:%d [%d]",
+ __entry->comm, __entry->pid, __entry->prio),
+
+ TP_fast_assign(
+ memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
+ __entry->pid = pid_nr(pid);
+ __entry->prio = current->prio;
+ )
+);
+
+/*
+ * Tracepoint for do_fork:
+ */
+TRACE_EVENT(sched_process_fork,
+
+ TP_PROTO(struct task_struct *parent, struct task_struct *child),
+
+ TP_ARGS(parent, child),
+
+ TP_STRUCT__entry(
+ __array( char, parent_comm, TASK_COMM_LEN )
+ __field( pid_t, parent_pid )
+ __array( char, child_comm, TASK_COMM_LEN )
+ __field( pid_t, child_pid )
),
- TPRAWFMT("parent %d child %d")
- );
-
-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),
- TRACE_STRUCT(
- TRACE_FIELD(int, sig, sig)
- TRACE_FIELD(pid_t, pid, p->pid)
+
+ TP_printk("parent %s:%d child %s:%d",
+ __entry->parent_comm, __entry->parent_pid,
+ __entry->child_comm, __entry->child_pid),
+
+ TP_fast_assign(
+ memcpy(__entry->parent_comm, parent->comm, TASK_COMM_LEN);
+ __entry->parent_pid = parent->pid;
+ memcpy(__entry->child_comm, child->comm, TASK_COMM_LEN);
+ __entry->child_pid = child->pid;
+ )
+);
+
+/*
+ * Tracepoint for sending a signal:
+ */
+TRACE_EVENT(sched_signal_send,
+
+ TP_PROTO(int sig, struct task_struct *p),
+
+ TP_ARGS(sig, p),
+
+ TP_STRUCT__entry(
+ __field( int, sig )
+ __array( char, comm, TASK_COMM_LEN )
+ __field( pid_t, pid )
),
- TPRAWFMT("sig: %d task %d")
- );
+
+ TP_printk("sig: %d task %s:%d",
+ __entry->sig, __entry->comm, __entry->pid),
+
+ TP_fast_assign(
+ memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
+ __entry->pid = p->pid;
+ __entry->sig = sig;
+ )
+);
#undef TRACE_SYSTEM
#include <linux/sched.h>
DECLARE_TRACE(workqueue_insertion,
- TPPROTO(struct task_struct *wq_thread, struct work_struct *work),
- TPARGS(wq_thread, work));
+ TP_PROTO(struct task_struct *wq_thread, struct work_struct *work),
+ TP_ARGS(wq_thread, work));
DECLARE_TRACE(workqueue_execution,
- TPPROTO(struct task_struct *wq_thread, struct work_struct *work),
- TPARGS(wq_thread, work));
+ TP_PROTO(struct task_struct *wq_thread, struct work_struct *work),
+ TP_ARGS(wq_thread, work));
/* Trace the creation of one workqueue thread on a cpu */
DECLARE_TRACE(workqueue_creation,
- TPPROTO(struct task_struct *wq_thread, int cpu),
- TPARGS(wq_thread, cpu));
+ TP_PROTO(struct task_struct *wq_thread, int cpu),
+ TP_ARGS(wq_thread, cpu));
DECLARE_TRACE(workqueue_destruction,
- TPPROTO(struct task_struct *wq_thread),
- TPARGS(wq_thread));
+ TP_PROTO(struct task_struct *wq_thread),
+ TP_ARGS(wq_thread));
#endif /* __TRACE_WORKQUEUE_H */
* This is the place to register all trace points as events.
*/
-/* someday this needs to go in a generic header */
-#define __STR(x) #x
-#define STR(x) __STR(x)
+#include <linux/stringify.h>
#include <trace/trace_events.h>
int (*regfunc)(void);
void (*unregfunc)(void);
int id;
- struct dentry *raw_dir;
- int raw_enabled;
- int type;
int (*raw_init)(void);
- int (*raw_reg)(void);
- void (*raw_unreg)(void);
int (*show_format)(struct trace_seq *s);
};
TRACE_FIELD(unsigned long, ip, ip)
TRACE_FIELD(unsigned long, parent_ip, parent_ip)
),
- TPRAWFMT(" %lx <-- %lx")
+ TP_RAW_FMT(" %lx <-- %lx")
);
TRACE_EVENT_FORMAT(funcgraph_entry, TRACE_GRAPH_ENT,
TRACE_FIELD(unsigned long, graph_ent.func, func)
TRACE_FIELD(int, graph_ent.depth, depth)
),
- TPRAWFMT("--> %lx (%d)")
+ TP_RAW_FMT("--> %lx (%d)")
);
TRACE_EVENT_FORMAT(funcgraph_exit, TRACE_GRAPH_RET,
TRACE_FIELD(unsigned long, ret.func, func)
TRACE_FIELD(int, ret.depth, depth)
),
- TPRAWFMT("<-- %lx (%d)")
+ TP_RAW_FMT("<-- %lx (%d)")
);
TRACE_EVENT_FORMAT(wakeup, TRACE_WAKE, ctx_switch_entry, ignore,
TRACE_FIELD(unsigned char, next_state, next_state)
TRACE_FIELD(unsigned int, next_cpu, next_cpu)
),
- TPRAWFMT("%u:%u:%u ==+ %u:%u:%u [%03u]")
+ TP_RAW_FMT("%u:%u:%u ==+ %u:%u:%u [%03u]")
);
TRACE_EVENT_FORMAT(context_switch, TRACE_CTX, ctx_switch_entry, ignore,
TRACE_FIELD(unsigned char, next_state, next_state)
TRACE_FIELD(unsigned int, next_cpu, next_cpu)
),
- TPRAWFMT("%u:%u:%u ==+ %u:%u:%u [%03u]")
+ TP_RAW_FMT("%u:%u:%u ==+ %u:%u:%u [%03u]")
);
TRACE_EVENT_FORMAT(special, TRACE_SPECIAL, special_entry, ignore,
TRACE_FIELD(unsigned long, arg2, arg2)
TRACE_FIELD(unsigned long, arg3, arg3)
),
- TPRAWFMT("(%08lx) (%08lx) (%08lx)")
+ TP_RAW_FMT("(%08lx) (%08lx) (%08lx)")
);
/*
TRACE_FIELD(unsigned long, caller[6], stack6)
TRACE_FIELD(unsigned long, caller[7], stack7)
),
- TPRAWFMT("\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n"
+ TP_RAW_FMT("\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n"
"\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n")
);
TRACE_FIELD(unsigned long, caller[6], stack6)
TRACE_FIELD(unsigned long, caller[7], stack7)
),
- TPRAWFMT("\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n"
+ TP_RAW_FMT("\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n"
"\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n")
);
TRACE_STRUCT(
TRACE_FIELD(unsigned long, ip, ip)
TRACE_FIELD(unsigned int, depth, depth)
+ TRACE_FIELD(char *, fmt, fmt)
TRACE_FIELD_ZERO_CHAR(buf)
),
- TPRAWFMT("%08lx (%d) %s")
+ TP_RAW_FMT("%08lx (%d) fmt:%p %s")
);
TRACE_EVENT_FORMAT(branch, TRACE_BRANCH, trace_branch, ignore,
TRACE_FIELD_SPECIAL(char file[TRACE_FUNC_SIZE+1], file, file)
TRACE_FIELD(char, correct, correct)
),
- TPRAWFMT("%u:%s:%s (%u)")
+ TP_RAW_FMT("%u:%s:%s (%u)")
);
TRACE_EVENT_FORMAT(hw_branch, TRACE_HW_BRANCHES, hw_branch_entry, ignore,
TRACE_FIELD(u64, from, from)
TRACE_FIELD(u64, to, to)
),
- TPRAWFMT("from: %llx to: %llx")
+ TP_RAW_FMT("from: %llx to: %llx")
);
TRACE_EVENT_FORMAT(power, TRACE_POWER, trace_power, ignore,
TRACE_FIELD(int, state_data.type, type)
TRACE_FIELD(int, state_data.state, state)
),
- TPRAWFMT("%llx->%llx type:%u state:%u")
+ TP_RAW_FMT("%llx->%llx type:%u state:%u")
);
TRACE_EVENT_FORMAT(kmem_alloc, TRACE_KMEM_ALLOC, kmemtrace_alloc_entry, ignore,
TRACE_FIELD(gfp_t, gfp_flags, gfp_flags)
TRACE_FIELD(int, node, node)
),
- TPRAWFMT("type:%u call_site:%lx ptr:%p req:%lu alloc:%lu"
+ TP_RAW_FMT("type:%u call_site:%lx ptr:%p req:%lu alloc:%lu"
" flags:%x node:%d")
);
TRACE_FIELD(unsigned long, call_site, call_site)
TRACE_FIELD(const void *, ptr, ptr)
),
- TPRAWFMT("type:%u call_site:%lx ptr:%p")
+ TP_RAW_FMT("type:%u call_site:%lx ptr:%p")
);
#undef TRACE_SYSTEM
call->enabled = 0;
call->unregfunc();
}
- if (call->raw_enabled) {
- call->raw_enabled = 0;
- call->raw_unreg();
- }
break;
case 1:
- if (!call->enabled &&
- (call->type & TRACE_EVENT_TYPE_PRINTF)) {
+ if (!call->enabled) {
call->enabled = 1;
call->regfunc();
}
- if (!call->raw_enabled &&
- (call->type & TRACE_EVENT_TYPE_RAW)) {
- call->raw_enabled = 1;
- call->raw_reg();
- }
break;
}
}
struct ftrace_event_call *call = filp->private_data;
char *buf;
- if (call->enabled || call->raw_enabled)
+ if (call->enabled)
buf = "1\n";
else
buf = "0\n";
return cnt;
}
-static ssize_t
-event_type_read(struct file *filp, char __user *ubuf, size_t cnt,
- loff_t *ppos)
-{
- struct ftrace_event_call *call = filp->private_data;
- char buf[16];
- int r = 0;
-
- if (call->type & TRACE_EVENT_TYPE_PRINTF)
- r += sprintf(buf, "printf\n");
-
- if (call->type & TRACE_EVENT_TYPE_RAW)
- r += sprintf(buf+r, "raw\n");
-
- return simple_read_from_buffer(ubuf, cnt, ppos, buf, r);
-}
-
-static ssize_t
-event_type_write(struct file *filp, const char __user *ubuf, size_t cnt,
- loff_t *ppos)
-{
- struct ftrace_event_call *call = filp->private_data;
- char buf[64];
-
- /*
- * If there's only one type, we can't change it.
- * And currently we always have printf type, and we
- * may or may not have raw type.
- *
- * This is a redundant check, the file should be read
- * only if this is the case anyway.
- */
-
- if (!call->raw_init)
- return -EPERM;
-
- if (cnt >= sizeof(buf))
- return -EINVAL;
-
- if (copy_from_user(&buf, ubuf, cnt))
- return -EFAULT;
-
- buf[cnt] = 0;
-
- if (!strncmp(buf, "printf", 6) &&
- (!buf[6] || isspace(buf[6]))) {
-
- call->type = TRACE_EVENT_TYPE_PRINTF;
-
- /*
- * If raw enabled, the disable it and enable
- * printf type.
- */
- if (call->raw_enabled) {
- call->raw_enabled = 0;
- call->raw_unreg();
-
- call->enabled = 1;
- call->regfunc();
- }
-
- } else if (!strncmp(buf, "raw", 3) &&
- (!buf[3] || isspace(buf[3]))) {
-
- call->type = TRACE_EVENT_TYPE_RAW;
-
- /*
- * If printf enabled, the disable it and enable
- * raw type.
- */
- if (call->enabled) {
- call->enabled = 0;
- call->unregfunc();
-
- call->raw_enabled = 1;
- call->raw_reg();
- }
- } else
- return -EINVAL;
-
- *ppos += cnt;
-
- return cnt;
-}
-
-static ssize_t
-event_available_types_read(struct file *filp, char __user *ubuf, size_t cnt,
- loff_t *ppos)
-{
- struct ftrace_event_call *call = filp->private_data;
- char buf[16];
- int r = 0;
-
- r += sprintf(buf, "printf\n");
-
- if (call->raw_init)
- r += sprintf(buf+r, "raw\n");
-
- return simple_read_from_buffer(ubuf, cnt, ppos, buf, r);
-}
-
#undef FIELD
-#define FIELD(type, name) \
- #type, #name, offsetof(typeof(field), name), sizeof(field.name)
+#define FIELD(type, name) \
+ #type, #name, (unsigned int)offsetof(typeof(field), name), \
+ (unsigned int)sizeof(field.name)
static int trace_write_header(struct trace_seq *s)
{
/* struct trace_entry */
return trace_seq_printf(s,
- "\tfield:%s %s;\toffset:%lu;\tsize:%lu;\n"
- "\tfield:%s %s;\toffset:%lu;\tsize:%lu;\n"
- "\tfield:%s %s;\toffset:%lu;\tsize:%lu;\n"
- "\tfield:%s %s;\toffset:%lu;\tsize:%lu;\n"
- "\tfield:%s %s;\toffset:%lu;\tsize:%lu;\n"
+ "\tfield:%s %s;\toffset:%u;\tsize:%u;\n"
+ "\tfield:%s %s;\toffset:%u;\tsize:%u;\n"
+ "\tfield:%s %s;\toffset:%u;\tsize:%u;\n"
+ "\tfield:%s %s;\toffset:%u;\tsize:%u;\n"
+ "\tfield:%s %s;\toffset:%u;\tsize:%u;\n"
"\n",
FIELD(unsigned char, type),
FIELD(unsigned char, flags),
FIELD(int, pid),
FIELD(int, tgid));
}
+
static ssize_t
event_format_read(struct file *filp, char __user *ubuf, size_t cnt,
loff_t *ppos)
.stop = t_stop,
};
-static const struct file_operations ftrace_avail_fops = {
- .open = ftrace_event_seq_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
static const struct file_operations ftrace_set_event_fops = {
.open = ftrace_event_seq_open,
.read = seq_read,
.write = event_enable_write,
};
-static const struct file_operations ftrace_type_fops = {
- .open = tracing_open_generic,
- .read = event_type_read,
- .write = event_type_write,
-};
-
-static const struct file_operations ftrace_available_types_fops = {
- .open = tracing_open_generic,
- .read = event_available_types_read,
-};
-
static const struct file_operations ftrace_event_format_fops = {
.open = tracing_open_generic,
.read = event_format_read,
}
}
- /* default the output to printf */
- call->type = TRACE_EVENT_TYPE_PRINTF;
-
call->dir = debugfs_create_dir(call->name, d_events);
if (!call->dir) {
pr_warning("Could not create debugfs "
"'%s/enable' entry\n", call->name);
}
- /* Only let type be writable, if we can change it */
- entry = debugfs_create_file("type",
- call->raw_init ? 0644 : 0444,
- call->dir, call,
- &ftrace_type_fops);
- if (!entry)
- pr_warning("Could not create debugfs "
- "'%s/type' entry\n", call->name);
-
- entry = debugfs_create_file("available_types", 0444, call->dir, call,
- &ftrace_available_types_fops);
- if (!entry)
- pr_warning("Could not create debugfs "
- "'%s/available_types' entry\n", call->name);
-
/* A trace may not want to export its format */
if (!call->show_format)
return 0;
if (!d_tracer)
return 0;
- entry = debugfs_create_file("available_events", 0444, d_tracer,
- (void *)&show_event_seq_ops,
- &ftrace_avail_fops);
- if (!entry)
- pr_warning("Could not create debugfs "
- "'available_events' entry\n");
-
entry = debugfs_create_file("set_event", 0644, d_tracer,
(void *)&show_set_event_seq_ops,
&ftrace_set_event_fops);
#undef TRACE_FORMAT
#define TRACE_FORMAT(call, proto, args, fmt)
-#undef TRACE_EVENT_FORMAT
-#define TRACE_EVENT_FORMAT(name, proto, args, fmt, tstruct, tpfmt) \
- struct ftrace_raw_##name { \
- struct trace_entry ent; \
- tstruct \
- }; \
- static struct ftrace_event_call event_##name
+#undef __array
+#define __array(type, item, len) type item[len];
+
+#undef __field
+#define __field(type, item) type item;
-#undef TRACE_STRUCT
-#define TRACE_STRUCT(args...) args
+#undef TP_STRUCT__entry
+#define TP_STRUCT__entry(args...) args
-#define TRACE_FIELD(type, item, assign) \
- type item;
-#define TRACE_FIELD_SPECIAL(type_item, item, cmd) \
- type_item;
+#undef TRACE_EVENT
+#define TRACE_EVENT(name, proto, args, tstruct, print, assign) \
+ struct ftrace_raw_##name { \
+ struct trace_entry ent; \
+ tstruct \
+ }; \
+ static struct ftrace_event_call event_##name
#include <trace/trace_event_types.h>
*
* field = (typeof(field))entry;
*
- * ret = trace_seq_printf(s, <TP
RAWFMT> "%s", <ARGS> "\n");
+ * ret = trace_seq_printf(s, <TP
_RAW_FMT> "%s", <ARGS> "\n");
* if (!ret)
* return TRACE_TYPE_PARTIAL_LINE;
*
* in binary.
*/
-#undef TRACE_STRUCT
-#define TRACE_STRUCT(args...) args
+#undef __entry
+#define __entry field
-#undef TRACE_FIELD
-#define TRACE_FIELD(type, item, assign) \
- field->item,
+#undef TP_printk
+#define TP_printk(fmt, args...) fmt "\n", args
-#undef TRACE_FIELD_SPECIAL
-#define TRACE_FIELD_SPECIAL(type_item, item, cmd) \
- field->item,
-
-
-#undef TPRAWFMT
-#define TPRAWFMT(args...) args
-
-#undef TRACE_EVENT_FORMAT
-#define TRACE_EVENT_FORMAT(call, proto, args, fmt, tstruct, tpfmt) \
+#undef TRACE_EVENT
+#define TRACE_EVENT(call, proto, args, tstruct, print, assign) \
enum print_line_t \
ftrace_raw_output_##call(struct trace_iterator *iter, int flags) \
{ \
\
field = (typeof(field))entry; \
\
- ret = trace_seq_printf(s, tpfmt "%s", tstruct "\n"); \
+ ret = trace_seq_printf(s, print); \
if (!ret) \
return TRACE_TYPE_PARTIAL_LINE; \
\
return TRACE_TYPE_HANDLED; \
}
-
+
#include <trace/trace_event_types.h>
-#include "trace_format.h"
+/*
+ * Setup the showing format of trace point.
+ *
+ * int
+ * ftrace_format_##call(struct trace_seq *s)
+ * {
+ * struct ftrace_raw_##call field;
+ * int ret;
+ *
+ * ret = trace_seq_printf(s, #type " " #item ";"
+ * " size:%d; offset:%d;\n",
+ * sizeof(field.type),
+ * offsetof(struct ftrace_raw_##call,
+ * item));
+ *
+ * }
+ */
+
+#undef TP_STRUCT__entry
+#define TP_STRUCT__entry(args...) args
+
+#undef __field
+#define __field(type, item) \
+ ret = trace_seq_printf(s, "\tfield:" #type " " #item ";\t" \
+ "offset:%u;\tsize:%u;\n", \
+ (unsigned int)offsetof(typeof(field), item), \
+ (unsigned int)sizeof(field.item)); \
+ if (!ret) \
+ return 0;
+
+#undef __array
+#define __array(type, item, len) \
+ ret = trace_seq_printf(s, "\tfield:" #type " " #item "[" #len "];\t" \
+ "offset:%u;\tsize:%u;\n", \
+ (unsigned int)offsetof(typeof(field), item), \
+ (unsigned int)sizeof(field.item)); \
+ if (!ret) \
+ return 0;
+
+#undef __entry
+#define __entry "REC"
+
+#undef TP_printk
+#define TP_printk(fmt, args...) "%s, %s\n", #fmt, #args
+
+#undef TP_fast_assign
+#define TP_fast_assign(args...) args
+
+#undef TRACE_EVENT
+#define TRACE_EVENT(call, proto, args, tstruct, print, func) \
+static int \
+ftrace_format_##call(struct trace_seq *s) \
+{ \
+ struct ftrace_raw_##call field; \
+ int ret; \
+ \
+ tstruct; \
+ \
+ trace_seq_printf(s, "\nprint fmt: " print); \
+ \
+ return ret; \
+}
+
#include <trace/trace_event_types.h>
* }
*
*
- * For those macros defined with TRACE_EVENT_FORMAT:
+ * For those macros defined with TRACE_EVENT:
*
* static struct ftrace_event_call event_<call>;
*
*
*/
-#undef TPFMT
-#define TPFMT(fmt, args...) fmt "\n", ##args
+#undef TP_FMT
+#define TP_FMT(fmt, args...) fmt "\n", ##args
#define _TRACE_FORMAT(call, proto, args, fmt) \
static void ftrace_event_##call(proto) \
__attribute__((__aligned__(4))) \
__attribute__((section("_ftrace_events"))) event_##call = { \
.name = #call, \
- .system = STR(TRACE_SYSTEM), \
+ .system = __stringify(TRACE_SYSTEM), \
.regfunc = ftrace_reg_event_##call, \
.unregfunc = ftrace_unreg_event_##call, \
}
-#undef TRACE_FIELD
-#define TRACE_FIELD(type, item, assign)\
- entry->item = assign;
+#undef __entry
+#define __entry entry
-#undef TRACE_FIELD
-#define TRACE_FIELD(type, item, assign)\
- entry->item = assign;
-
-#undef TPCMD
-#define TPCMD(cmd...) cmd
-
-#undef TRACE_ENTRY
-#define TRACE_ENTRY entry
-
-#undef TRACE_FIELD_SPECIAL
-#define TRACE_FIELD_SPECIAL(type_item, item, cmd) \
- cmd;
-
-#undef TRACE_EVENT_FORMAT
-#define TRACE_EVENT_FORMAT(call, proto, args, fmt, tstruct, tpfmt) \
-_TRACE_FORMAT(call, PARAMS(proto), PARAMS(args), PARAMS(fmt)) \
+#undef TRACE_EVENT
+#define TRACE_EVENT(call, proto, args, tstruct, print, assign) \
\
static struct ftrace_event_call event_##call; \
\
return; \
entry = ring_buffer_event_data(event); \
\
- tstruct; \
+ assign; \
\
trace_current_buffer_unlock_commit(event, irq_flags, pc); \
} \
__attribute__((__aligned__(4))) \
__attribute__((section("_ftrace_events"))) event_##call = { \
.name = #call, \
- .system = STR(TRACE_SYSTEM), \
- .regfunc = ftrace_reg_event_##call, \
- .unregfunc = ftrace_unreg_event_##call, \
+ .system = __stringify(TRACE_SYSTEM), \
.raw_init = ftrace_raw_init_event_##call, \
- .raw_reg = ftrace_raw_reg_event_##call, \
- .raw_unreg = ftrace_raw_unreg_event_##call, \
+ .regfunc = ftrace_raw_reg_event_##call, \
+ .unregfunc = ftrace_raw_unreg_event_##call, \
.show_format = ftrace_format_##call, \
}
#include "trace_output.h"
-#include "trace_format.h"
+
+#undef TRACE_STRUCT
+#define TRACE_STRUCT(args...) args
+
+#undef TRACE_FIELD
+#define TRACE_FIELD(type, item, assign) \
+ ret = trace_seq_printf(s, "\tfield:" #type " " #item ";\t" \
+ "offset:%u;\tsize:%u;\n", \
+ (unsigned int)offsetof(typeof(field), item), \
+ (unsigned int)sizeof(field.item)); \
+ if (!ret) \
+ return 0;
+
+
+#undef TRACE_FIELD_SPECIAL
+#define TRACE_FIELD_SPECIAL(type_item, item, cmd) \
+ ret = trace_seq_printf(s, "\tfield special:" #type_item ";\t" \
+ "offset:%u;\tsize:%u;\n", \
+ (unsigned int)offsetof(typeof(field), item), \
+ (unsigned int)sizeof(field.item)); \
+ if (!ret) \
+ return 0;
#undef TRACE_FIELD_ZERO_CHAR
-#define TRACE_FIELD_ZERO_CHAR(item) \
- ret = trace_seq_printf(s, "\tfield: char " #item ";\t" \
- "offset:%lu;\tsize:0;\n", \
- offsetof(typeof(field), item)); \
- if (!ret) \
+#define TRACE_FIELD_ZERO_CHAR(item) \
+ ret = trace_seq_printf(s, "\tfield: char " #item ";\t" \
+ "offset:%u;\tsize:0;\n", \
+ (unsigned int)offsetof(typeof(field), item)); \
+ if (!ret) \
return 0;
-#undef TPRAWFMT
-#define TPRAWFMT(args...) args
+#undef TP_RAW_FMT
+#define TP_RAW_FMT(args...) args
#undef TRACE_EVENT_FORMAT
#define TRACE_EVENT_FORMAT(call, proto, args, fmt, tstruct, tpfmt) \
#define TRACE_FIELD(type, item, assign)\
entry->item = assign;
-#undef TPCMD
-#define TPCMD(cmd...) cmd
+#undef TP_CMD
+#define TP_CMD(cmd...) cmd
#undef TRACE_ENTRY
#define TRACE_ENTRY entry
+++ /dev/null
-/*
- * Setup the showing format of trace point.
- *
- * int
- * ftrace_format_##call(struct trace_seq *s)
- * {
- * struct ftrace_raw_##call field;
- * int ret;
- *
- * ret = trace_seq_printf(s, #type " " #item ";"
- * " size:%d; offset:%d;\n",
- * sizeof(field.type),
- * offsetof(struct ftrace_raw_##call,
- * item));
- *
- * }
- */
-
-#undef TRACE_STRUCT
-#define TRACE_STRUCT(args...) args
-
-#undef TRACE_FIELD
-#define TRACE_FIELD(type, item, assign) \
- ret = trace_seq_printf(s, "\tfield:" #type " " #item ";\t" \
- "offset:%lu;\tsize:%lu;\n", \
- offsetof(typeof(field), item), \
- sizeof(field.item)); \
- if (!ret) \
- return 0;
-
-
-#undef TRACE_FIELD_SPECIAL
-#define TRACE_FIELD_SPECIAL(type_item, item, cmd) \
- ret = trace_seq_printf(s, "\tfield special:" #type_item ";\t" \
- "offset:%lu;\tsize:%lu;\n", \
- offsetof(typeof(field), item), \
- sizeof(field.item)); \
- if (!ret) \
- return 0;
-
-#undef TRACE_EVENT_FORMAT
-#define TRACE_EVENT_FORMAT(call, proto, args, fmt, tstruct, tpfmt) \
-static int \
-ftrace_format_##call(struct trace_seq *s) \
-{ \
- struct ftrace_raw_##call field; \
- int ret; \
- \
- tstruct; \
- \
- trace_seq_printf(s, "\nprint fmt: \"%s\"\n", tpfmt); \
- \
- return ret; \
-}
-
/* Include in trace.c */
+#include <linux/stringify.h>
#include <linux/kthread.h>
#include <linux/delay.h>
#ifdef CONFIG_DYNAMIC_FTRACE
-#define __STR(x) #x
-#define STR(x) __STR(x)
-
/* Test dynamic code modification and ftrace filters */
int trace_selftest_startup_dynamic_tracing(struct tracer *trace,
struct trace_array *tr,
* start of the function names. We simply put a '*' to
* accommodate them.
*/
- func_name = "*" STR(DYN_FTRACE_TEST_NAME);
+ func_name = "*" __stringify(DYN_FTRACE_TEST_NAME);
/* filter only on our function */
ftrace_set_filter(func_name, strlen(func_name), 1);
#include <linux/tracepoint.h>
DECLARE_TRACE(subsys_event,
- TPPROTO(struct inode *inode, struct file *file),
- TPARGS(inode, file));
+ TP_PROTO(struct inode *inode, struct file *file),
+ TP_ARGS(inode, file));
DECLARE_TRACE(subsys_eventb,
- TPPROTO(void),
- TPARGS());
+ TP_PROTO(void),
+ TP_ARGS());
#endif
projects / linux-2.6-omap-h63xx.git / commitdiff