Merge commit 'v2.6.30' into for-2.6.31
[safe/jmp/linux-2.6] / include / trace / sched_event_types.h
index 2ada206..63547dc 100644 (file)
@@ -1,6 +1,6 @@
 
 /* use <trace/sched.h> instead */
-#ifndef TRACE_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_FORMAT(sched_kthread_stop,
-       TPPROTO(struct task_struct *t),
-       TPARGS(t),
-       TPFMT("task %s:%d", t->comm, t->pid));
-
-TRACE_FORMAT(sched_kthread_stop_ret,
-       TPPROTO(int ret),
-       TPARGS(ret),
-       TPFMT("ret=%d", ret));
-
-TRACE_FORMAT(sched_wait_task,
-       TPPROTO(struct rq *rq, struct task_struct *p),
-       TPARGS(rq, p),
-       TPFMT("task %s:%d", p->comm, p->pid));
-
-TRACE_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_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_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_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_FORMAT(sched_process_free,
-       TPPROTO(struct task_struct *p),
-       TPARGS(p),
-       TPFMT("task %s:%d", p->comm, p->pid));
-
-TRACE_FORMAT(sched_process_exit,
-       TPPROTO(struct task_struct *p),
-       TPARGS(p),
-       TPFMT("task %s:%d", p->comm, p->pid));
-
-TRACE_FORMAT(sched_process_wait,
-       TPPROTO(struct pid *pid),
-       TPARGS(pid),
-       TPFMT("pid %d", pid));
-
-TRACE_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_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));
+/*
+ * 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                     )
+       ),
+
+       TP_fast_assign(
+               memcpy(__entry->comm, t->comm, TASK_COMM_LEN);
+               __entry->pid    = t->pid;
+       ),
+
+       TP_printk("task %s:%d", __entry->comm, __entry->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     )
+       ),
+
+       TP_fast_assign(
+               __entry->ret    = ret;
+       ),
+
+       TP_printk("ret %d", __entry->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                    )
+       ),
+
+       TP_fast_assign(
+               memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
+               __entry->pid    = p->pid;
+               __entry->prio   = p->prio;
+       ),
+
+       TP_printk("task %s:%d [%d]",
+                 __entry->comm, __entry->pid, __entry->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                 )
+       ),
+
+       TP_fast_assign(
+               memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
+               __entry->pid            = p->pid;
+               __entry->prio           = p->prio;
+               __entry->success        = success;
+       ),
+
+       TP_printk("task %s:%d [%d] success=%d",
+                 __entry->comm, __entry->pid, __entry->prio,
+                 __entry->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                 )
+       ),
+
+       TP_fast_assign(
+               memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
+               __entry->pid            = p->pid;
+               __entry->prio           = p->prio;
+               __entry->success        = success;
+       ),
+
+       TP_printk("task %s:%d [%d] success=%d",
+                 __entry->comm, __entry->pid, __entry->prio,
+                 __entry->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                       )
+       ),
+
+       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;
+       ),
+
+       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)
+);
+
+/*
+ * 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                )
+       ),
+
+       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;
+       ),
+
+       TP_printk("task %s:%d [%d] from: %d  to: %d",
+                 __entry->comm, __entry->pid, __entry->prio,
+                 __entry->orig_cpu, __entry->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                    )
+       ),
+
+       TP_fast_assign(
+               memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
+               __entry->pid            = p->pid;
+               __entry->prio           = p->prio;
+       ),
+
+       TP_printk("task %s:%d [%d]",
+                 __entry->comm, __entry->pid, __entry->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                    )
+       ),
+
+       TP_fast_assign(
+               memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
+               __entry->pid            = p->pid;
+               __entry->prio           = p->prio;
+       ),
+
+       TP_printk("task %s:%d [%d]",
+                 __entry->comm, __entry->pid, __entry->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                    )
+       ),
+
+       TP_fast_assign(
+               memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
+               __entry->pid            = pid_nr(pid);
+               __entry->prio           = current->prio;
+       ),
+
+       TP_printk("task %s:%d [%d]",
+                 __entry->comm, __entry->pid, __entry->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                       )
+       ),
+
+       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;
+       ),
+
+       TP_printk("parent %s:%d  child %s:%d",
+               __entry->parent_comm, __entry->parent_pid,
+               __entry->child_comm, __entry->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                     )
+       ),
+
+       TP_fast_assign(
+               memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
+               __entry->pid    = p->pid;
+               __entry->sig    = sig;
+       ),
+
+       TP_printk("sig: %d  task %s:%d",
+                 __entry->sig, __entry->comm, __entry->pid)
+);
 
 #undef TRACE_SYSTEM