include/trace/sched_event_types.h

   1
   2 /* use <trace/sched.h> instead */
   3 #ifndef TRACE_EVENT_FORMAT
   4 # error Do not include this file directly.
   5 # error Unless you know what you are doing.
   6 #endif
   7
   8 #undef TRACE_SYSTEM
   9 #define TRACE_SYSTEM sched
  10
  11 TRACE_EVENT_FORMAT(sched_kthread_stop,
  12         TP_PROTO(struct task_struct *t),
  13         TP_ARGS(t),
  14         TP_FMT("task %s:%d", t->comm, t->pid),
  15         TRACE_STRUCT(
  16                 TRACE_FIELD(pid_t, pid, t->pid)
  17         ),
  18         TP_RAW_FMT("task %d")
  19         );
  20
  21 TRACE_EVENT_FORMAT(sched_kthread_stop_ret,
  22         TP_PROTO(int ret),
  23         TP_ARGS(ret),
  24         TP_FMT("ret=%d", ret),
  25         TRACE_STRUCT(
  26                 TRACE_FIELD(int, ret, ret)
  27         ),
  28         TP_RAW_FMT("ret=%d")
  29         );
  30
  31 TRACE_EVENT_FORMAT(sched_wait_task,
  32         TP_PROTO(struct rq *rq, struct task_struct *p),
  33         TP_ARGS(rq, p),
  34         TP_FMT("task %s:%d", p->comm, p->pid),
  35         TRACE_STRUCT(
  36                 TRACE_FIELD(pid_t, pid, p->pid)
  37         ),
  38         TP_RAW_FMT("task %d")
  39         );
  40
  41 TRACE_EVENT_FORMAT(sched_wakeup,
  42         TP_PROTO(struct rq *rq, struct task_struct *p, int success),
  43         TP_ARGS(rq, p, success),
  44         TP_FMT("task %s:%d %s",
  45               p->comm, p->pid, success ? "succeeded" : "failed"),
  46         TRACE_STRUCT(
  47                 TRACE_FIELD(pid_t, pid, p->pid)
  48                 TRACE_FIELD(int, success, success)
  49         ),
  50         TP_RAW_FMT("task %d success=%d")
  51         );
  52
  53 TRACE_EVENT_FORMAT(sched_wakeup_new,
  54         TP_PROTO(struct rq *rq, struct task_struct *p, int success),
  55         TP_ARGS(rq, p, success),
  56         TP_FMT("task %s:%d",
  57               p->comm, p->pid, success ? "succeeded" : "failed"),
  58         TRACE_STRUCT(
  59                 TRACE_FIELD(pid_t, pid, p->pid)
  60                 TRACE_FIELD(int, success, success)
  61         ),
  62         TP_RAW_FMT("task %d success=%d")
  63         );
  64
  65 /*
  66  * Tracepoint for task switches, performed by the scheduler:
  67  *
  68  * (NOTE: the 'rq' argument is not used by generic trace events,
  69  *        but used by the latency tracer plugin. )
  70  */
  71 TRACE_EVENT(sched_switch,
  72
  73         TP_PROTO(struct rq *rq, struct task_struct *prev,
  74                  struct task_struct *next),
  75
  76         TP_ARGS(rq, prev, next),
  77
  78         TP_STRUCT__entry(
  79                 __array(        char,   prev_comm,      TASK_COMM_LEN   )
  80                 __field(        pid_t,  prev_pid                        )
  81                 __field(        int,    prev_prio                       )
  82                 __array(        char,   next_comm,      TASK_COMM_LEN   )
  83                 __field(        pid_t,  next_pid                        )
  84                 __field(        int,    next_prio                       )
  85         ),
  86
  87         TP_printk("task %s:%d [%d] ==> %s:%d [%d]",
  88                 __entry->prev_comm, __entry->prev_pid, __entry->prev_prio,
  89                 __entry->next_comm, __entry->next_pid, __entry->next_prio),
  90
  91         TP_fast_assign(
  92                 memcpy(__entry->next_comm, next->comm, TASK_COMM_LEN);
  93                 __entry->prev_pid       = prev->pid;
  94                 __entry->prev_prio      = prev->prio;
  95                 memcpy(__entry->prev_comm, prev->comm, TASK_COMM_LEN);
  96                 __entry->next_pid       = next->pid;
  97                 __entry->next_prio      = next->prio;
  98         )
  99 );
 100
 101 TRACE_EVENT_FORMAT(sched_migrate_task,
 102         TP_PROTO(struct task_struct *p, int orig_cpu, int dest_cpu),
 103         TP_ARGS(p, orig_cpu, dest_cpu),
 104         TP_FMT("task %s:%d from: %d  to: %d",
 105               p->comm, p->pid, orig_cpu, dest_cpu),
 106         TRACE_STRUCT(
 107                 TRACE_FIELD(pid_t, pid, p->pid)
 108                 TRACE_FIELD(int, orig_cpu, orig_cpu)
 109                 TRACE_FIELD(int, dest_cpu, dest_cpu)
 110         ),
 111         TP_RAW_FMT("task %d  from: %d to: %d")
 112         );
 113
 114 TRACE_EVENT_FORMAT(sched_process_free,
 115         TP_PROTO(struct task_struct *p),
 116         TP_ARGS(p),
 117         TP_FMT("task %s:%d", p->comm, p->pid),
 118         TRACE_STRUCT(
 119                 TRACE_FIELD(pid_t, pid, p->pid)
 120         ),
 121         TP_RAW_FMT("task %d")
 122         );
 123
 124 TRACE_EVENT_FORMAT(sched_process_exit,
 125         TP_PROTO(struct task_struct *p),
 126         TP_ARGS(p),
 127         TP_FMT("task %s:%d", p->comm, p->pid),
 128         TRACE_STRUCT(
 129                 TRACE_FIELD(pid_t, pid, p->pid)
 130         ),
 131         TP_RAW_FMT("task %d")
 132         );
 133
 134 TRACE_EVENT_FORMAT(sched_process_wait,
 135         TP_PROTO(struct pid *pid),
 136         TP_ARGS(pid),
 137         TP_FMT("pid %d", pid_nr(pid)),
 138         TRACE_STRUCT(
 139                 TRACE_FIELD(pid_t, pid, pid_nr(pid))
 140         ),
 141         TP_RAW_FMT("task %d")
 142         );
 143
 144 TRACE_EVENT_FORMAT(sched_process_fork,
 145         TP_PROTO(struct task_struct *parent, struct task_struct *child),
 146         TP_ARGS(parent, child),
 147         TP_FMT("parent %s:%d  child %s:%d",
 148               parent->comm, parent->pid, child->comm, child->pid),
 149         TRACE_STRUCT(
 150                 TRACE_FIELD(pid_t, parent, parent->pid)
 151                 TRACE_FIELD(pid_t, child, child->pid)
 152         ),
 153         TP_RAW_FMT("parent %d  child %d")
 154         );
 155
 156 TRACE_EVENT_FORMAT(sched_signal_send,
 157         TP_PROTO(int sig, struct task_struct *p),
 158         TP_ARGS(sig, p),
 159         TP_FMT("sig: %d   task %s:%d", sig, p->comm, p->pid),
 160         TRACE_STRUCT(
 161                 TRACE_FIELD(int, sig, sig)
 162                 TRACE_FIELD(pid_t, pid, p->pid)
 163         ),
 164         TP_RAW_FMT("sig: %d  task %d")
 165         );
 166
 167 #undef TRACE_SYSTEM