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tracing: convert the sched trace points to the TRACE_EVENT macros
Impact: enhancement This patch converts the rest of the sched trace points to use the new more powerful TRACE_EVENT macro. Signed-off-by: Steven Rostedt <srostedt@redhat.com>
This commit is contained in:
Steven Rostedt
parent
da4d03020c
commit
12b5fdb8bb
1 changed files with 261 additions and 91 deletions
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@ -8,59 +8,137 @@
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM sched
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TRACE_EVENT_FORMAT(sched_kthread_stop,
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/*
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* Tracepoint for calling kthread_stop, performed to end a kthread:
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*/
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TRACE_EVENT(sched_kthread_stop,
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TP_PROTO(struct task_struct *t),
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TP_ARGS(t),
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TP_FMT("task %s:%d", t->comm, t->pid),
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TRACE_STRUCT(
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TRACE_FIELD(pid_t, pid, t->pid)
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),
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TP_RAW_FMT("task %d")
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);
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TRACE_EVENT_FORMAT(sched_kthread_stop_ret,
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TP_STRUCT__entry(
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__array( char, comm, TASK_COMM_LEN )
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__field( pid_t, pid )
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),
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TP_printk("task %s:%d", __entry->comm, __entry->pid),
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TP_fast_assign(
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memcpy(__entry->comm, t->comm, TASK_COMM_LEN);
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__entry->pid = t->pid;
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)
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);
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/*
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* Tracepoint for the return value of the kthread stopping:
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*/
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TRACE_EVENT(sched_kthread_stop_ret,
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TP_PROTO(int ret),
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TP_ARGS(ret),
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TP_FMT("ret=%d", ret),
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TRACE_STRUCT(
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TRACE_FIELD(int, ret, ret)
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),
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TP_RAW_FMT("ret=%d")
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);
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TRACE_EVENT_FORMAT(sched_wait_task,
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TP_STRUCT__entry(
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__field( int, ret )
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),
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TP_printk("ret %d", __entry->ret),
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TP_fast_assign(
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__entry->ret = ret;
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)
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);
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/*
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* Tracepoint for waiting on task to unschedule:
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*
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* (NOTE: the 'rq' argument is not used by generic trace events,
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* but used by the latency tracer plugin. )
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*/
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TRACE_EVENT(sched_wait_task,
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TP_PROTO(struct rq *rq, struct task_struct *p),
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TP_ARGS(rq, p),
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TP_FMT("task %s:%d", p->comm, p->pid),
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TRACE_STRUCT(
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TRACE_FIELD(pid_t, pid, p->pid)
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),
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TP_RAW_FMT("task %d")
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);
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TRACE_EVENT_FORMAT(sched_wakeup,
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TP_PROTO(struct rq *rq, struct task_struct *p, int success),
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TP_ARGS(rq, p, success),
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TP_FMT("task %s:%d %s",
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p->comm, p->pid, success ? "succeeded" : "failed"),
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TRACE_STRUCT(
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TRACE_FIELD(pid_t, pid, p->pid)
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TRACE_FIELD(int, success, success)
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TP_STRUCT__entry(
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__array( char, comm, TASK_COMM_LEN )
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__field( pid_t, pid )
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__field( int, prio )
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),
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TP_RAW_FMT("task %d success=%d")
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);
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TRACE_EVENT_FORMAT(sched_wakeup_new,
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TP_printk("task %s:%d [%d]",
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__entry->comm, __entry->pid, __entry->prio),
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TP_fast_assign(
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memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
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__entry->pid = p->pid;
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__entry->prio = p->prio;
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)
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);
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/*
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* Tracepoint for waking up a task:
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*
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* (NOTE: the 'rq' argument is not used by generic trace events,
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* but used by the latency tracer plugin. )
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*/
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TRACE_EVENT(sched_wakeup,
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TP_PROTO(struct rq *rq, struct task_struct *p, int success),
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TP_ARGS(rq, p, success),
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TP_FMT("task %s:%d",
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p->comm, p->pid, success ? "succeeded" : "failed"),
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TRACE_STRUCT(
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TRACE_FIELD(pid_t, pid, p->pid)
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TRACE_FIELD(int, success, success)
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TP_STRUCT__entry(
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__array( char, comm, TASK_COMM_LEN )
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__field( pid_t, pid )
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__field( int, prio )
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__field( int, success )
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),
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TP_RAW_FMT("task %d success=%d")
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);
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TP_printk("task %s:%d [%d] success=%d",
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__entry->comm, __entry->pid, __entry->prio,
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__entry->success),
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TP_fast_assign(
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memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
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__entry->pid = p->pid;
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__entry->prio = p->prio;
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__entry->success = success;
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)
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);
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/*
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* Tracepoint for waking up a new task:
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*
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* (NOTE: the 'rq' argument is not used by generic trace events,
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* but used by the latency tracer plugin. )
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*/
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TRACE_EVENT(sched_wakeup_new,
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TP_PROTO(struct rq *rq, struct task_struct *p, int success),
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TP_ARGS(rq, p, success),
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TP_STRUCT__entry(
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__array( char, comm, TASK_COMM_LEN )
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__field( pid_t, pid )
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__field( int, prio )
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__field( int, success )
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),
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TP_printk("task %s:%d [%d] success=%d",
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__entry->comm, __entry->pid, __entry->prio,
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__entry->success),
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TP_fast_assign(
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memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
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__entry->pid = p->pid;
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__entry->prio = p->prio;
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__entry->success = success;
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)
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);
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/*
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* Tracepoint for task switches, performed by the scheduler:
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@ -98,70 +176,162 @@ TRACE_EVENT(sched_switch,
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)
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);
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TRACE_EVENT_FORMAT(sched_migrate_task,
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/*
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* Tracepoint for a task being migrated:
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*/
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TRACE_EVENT(sched_migrate_task,
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TP_PROTO(struct task_struct *p, int orig_cpu, int dest_cpu),
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TP_ARGS(p, orig_cpu, dest_cpu),
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TP_FMT("task %s:%d from: %d to: %d",
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p->comm, p->pid, orig_cpu, dest_cpu),
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TRACE_STRUCT(
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TRACE_FIELD(pid_t, pid, p->pid)
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TRACE_FIELD(int, orig_cpu, orig_cpu)
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TRACE_FIELD(int, dest_cpu, dest_cpu)
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),
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TP_RAW_FMT("task %d from: %d to: %d")
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);
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TRACE_EVENT_FORMAT(sched_process_free,
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TP_STRUCT__entry(
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__array( char, comm, TASK_COMM_LEN )
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__field( pid_t, pid )
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__field( int, prio )
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__field( int, orig_cpu )
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__field( int, dest_cpu )
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),
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TP_printk("task %s:%d [%d] from: %d to: %d",
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__entry->comm, __entry->pid, __entry->prio,
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__entry->orig_cpu, __entry->dest_cpu),
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TP_fast_assign(
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memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
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__entry->pid = p->pid;
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__entry->prio = p->prio;
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__entry->orig_cpu = orig_cpu;
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__entry->dest_cpu = dest_cpu;
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)
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);
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/*
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* Tracepoint for freeing a task:
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*/
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TRACE_EVENT(sched_process_free,
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TP_PROTO(struct task_struct *p),
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TP_ARGS(p),
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TP_FMT("task %s:%d", p->comm, p->pid),
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TRACE_STRUCT(
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TRACE_FIELD(pid_t, pid, p->pid)
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),
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TP_RAW_FMT("task %d")
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);
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TRACE_EVENT_FORMAT(sched_process_exit,
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TP_ARGS(p),
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TP_STRUCT__entry(
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__array( char, comm, TASK_COMM_LEN )
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__field( pid_t, pid )
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__field( int, prio )
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),
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TP_printk("task %s:%d [%d]",
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__entry->comm, __entry->pid, __entry->prio),
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TP_fast_assign(
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memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
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__entry->pid = p->pid;
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__entry->prio = p->prio;
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)
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);
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/*
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* Tracepoint for a task exiting:
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*/
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TRACE_EVENT(sched_process_exit,
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TP_PROTO(struct task_struct *p),
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TP_ARGS(p),
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TP_FMT("task %s:%d", p->comm, p->pid),
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TRACE_STRUCT(
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TRACE_FIELD(pid_t, pid, p->pid)
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),
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TP_RAW_FMT("task %d")
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);
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TRACE_EVENT_FORMAT(sched_process_wait,
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TP_ARGS(p),
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TP_STRUCT__entry(
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__array( char, comm, TASK_COMM_LEN )
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__field( pid_t, pid )
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__field( int, prio )
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),
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TP_printk("task %s:%d [%d]",
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__entry->comm, __entry->pid, __entry->prio),
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TP_fast_assign(
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memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
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__entry->pid = p->pid;
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__entry->prio = p->prio;
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)
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);
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/*
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* Tracepoint for a waiting task:
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*/
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TRACE_EVENT(sched_process_wait,
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TP_PROTO(struct pid *pid),
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TP_ARGS(pid),
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TP_FMT("pid %d", pid_nr(pid)),
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TRACE_STRUCT(
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TRACE_FIELD(pid_t, pid, pid_nr(pid))
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),
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TP_RAW_FMT("task %d")
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);
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TRACE_EVENT_FORMAT(sched_process_fork,
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TP_STRUCT__entry(
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__array( char, comm, TASK_COMM_LEN )
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__field( pid_t, pid )
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__field( int, prio )
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),
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TP_printk("task %s:%d [%d]",
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__entry->comm, __entry->pid, __entry->prio),
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TP_fast_assign(
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memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
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__entry->pid = pid_nr(pid);
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__entry->prio = current->prio;
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)
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);
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/*
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* Tracepoint for do_fork:
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*/
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TRACE_EVENT(sched_process_fork,
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TP_PROTO(struct task_struct *parent, struct task_struct *child),
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TP_ARGS(parent, child),
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TP_FMT("parent %s:%d child %s:%d",
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parent->comm, parent->pid, child->comm, child->pid),
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TRACE_STRUCT(
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TRACE_FIELD(pid_t, parent, parent->pid)
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TRACE_FIELD(pid_t, child, child->pid)
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),
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TP_RAW_FMT("parent %d child %d")
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);
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TRACE_EVENT_FORMAT(sched_signal_send,
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TP_PROTO(int sig, struct task_struct *p),
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TP_ARGS(sig, p),
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TP_FMT("sig: %d task %s:%d", sig, p->comm, p->pid),
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TRACE_STRUCT(
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TRACE_FIELD(int, sig, sig)
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TRACE_FIELD(pid_t, pid, p->pid)
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TP_ARGS(parent, child),
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TP_STRUCT__entry(
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__array( char, parent_comm, TASK_COMM_LEN )
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__field( pid_t, parent_pid )
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__array( char, child_comm, TASK_COMM_LEN )
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__field( pid_t, child_pid )
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),
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TP_RAW_FMT("sig: %d task %d")
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);
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TP_printk("parent %s:%d child %s:%d",
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__entry->parent_comm, __entry->parent_pid,
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__entry->child_comm, __entry->child_pid),
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TP_fast_assign(
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memcpy(__entry->parent_comm, parent->comm, TASK_COMM_LEN);
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__entry->parent_pid = parent->pid;
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memcpy(__entry->child_comm, child->comm, TASK_COMM_LEN);
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__entry->child_pid = child->pid;
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)
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);
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/*
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* Tracepoint for sending a signal:
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*/
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TRACE_EVENT(sched_signal_send,
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TP_PROTO(int sig, struct task_struct *p),
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TP_ARGS(sig, p),
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TP_STRUCT__entry(
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__field( int, sig )
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__array( char, comm, TASK_COMM_LEN )
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__field( pid_t, pid )
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),
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TP_printk("sig: %d task %s:%d",
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__entry->sig, __entry->comm, __entry->pid),
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TP_fast_assign(
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memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
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__entry->pid = p->pid;
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__entry->sig = sig;
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)
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);
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#undef TRACE_SYSTEM
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