+/*
+ * Extract the complete scheduling information from the before
+ * and after the change of priority.
+ */
+TRACE_EVENT_MAP(sched_pi_setprio, sched_pi_update_prio,
+
+ TP_PROTO(struct task_struct *tsk, int newprio),
+
+ TP_ARGS(tsk, newprio),
+
+ TP_STRUCT__entry(
+ __array( char, comm, TASK_COMM_LEN )
+ __field( pid_t, pid )
+ __field( unsigned int, old_policy )
+ __field( int, old_nice )
+ __field( unsigned int, old_rt_priority )
+ __field( u64, old_dl_runtime )
+ __field( u64, old_dl_deadline )
+ __field( u64, old_dl_period )
+ __array( char, top_waiter_comm, TASK_COMM_LEN )
+ __field( pid_t, top_waiter_pid )
+ __field( unsigned int, new_policy )
+ __field( int, new_nice )
+ __field( unsigned int, new_rt_priority )
+ __field( u64, new_dl_runtime )
+ __field( u64, new_dl_deadline )
+ __field( u64, new_dl_period )
+ ),
+
+ TP_fast_assign(
+ struct task_struct *top_waiter = rt_mutex_get_top_task(tsk);
+
+ memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
+ __entry->pid = tsk->pid;
+ __entry->old_policy = rt_mutex_get_effective_policy(
+ tsk->policy, tsk->prio);
+ __entry->old_nice = task_nice(tsk);
+ __entry->old_rt_priority = rt_mutex_get_effective_rt_prio(
+ tsk->prio);
+ __entry->old_dl_runtime = dl_prio(tsk->prio) ?
+ tsk->dl.dl_runtime : 0;
+ __entry->old_dl_deadline = dl_prio(tsk->prio) ?
+ tsk->dl.dl_deadline : 0;
+ __entry->old_dl_period = dl_prio(tsk->prio) ?
+ tsk->dl.dl_period : 0;
+ if (top_waiter) {
+ memcpy(__entry->top_waiter_comm, top_waiter->comm, TASK_COMM_LEN);
+ __entry->top_waiter_pid = top_waiter->pid;
+ /*
+ * The effective policy depends on the current policy of
+ * the target task.
+ */
+ __entry->new_policy = rt_mutex_get_effective_policy(
+ tsk->policy, top_waiter->prio);
+ __entry->new_nice = task_nice(top_waiter);
+ __entry->new_rt_priority = rt_mutex_get_effective_rt_prio(
+ top_waiter->prio);
+ __entry->new_dl_runtime = dl_prio(top_waiter->prio) ?
+ top_waiter->dl.dl_runtime : 0;
+ __entry->new_dl_deadline = dl_prio(top_waiter->prio) ?
+ top_waiter->dl.dl_deadline : 0;
+ __entry->new_dl_period = dl_prio(top_waiter->prio) ?
+ top_waiter->dl.dl_period : 0;
+ } else {
+ __entry->top_waiter_comm[0] = '\0';
+ __entry->top_waiter_pid = -1;
+ __entry->new_policy = 0;
+ __entry->new_nice = 0;
+ __entry->new_rt_priority = 0;
+ __entry->new_dl_runtime = 0;
+ __entry->new_dl_deadline = 0;
+ __entry->new_dl_period = 0;
+ }
+ ),
+
+ TP_printk("comm=%s, pid=%d, old_policy=%s, old_nice=%d, "
+ "old_rt_priority=%u, old_dl_runtime=%Lu, "
+ "old_dl_deadline=%Lu, old_dl_period=%Lu, "
+ "top_waiter_comm=%s, top_waiter_pid=%d, new_policy=%s, "
+ "new_nice=%d, new_rt_priority=%u, "
+ "new_dl_runtime=%Lu, new_dl_deadline=%Lu, "
+ "new_dl_period=%Lu",
+ __entry->comm, __entry->pid,
+ __print_symbolic(__entry->old_policy, SCHEDULING_POLICY),
+ __entry->old_nice, __entry->old_rt_priority,
+ __entry->old_dl_runtime, __entry->old_dl_deadline,
+ __entry->old_dl_period,
+ __entry->top_waiter_comm, __entry->top_waiter_pid,
+ __entry->new_policy >= 0 ?
+ __print_symbolic(__entry->new_policy,
+ SCHEDULING_POLICY) : "",
+ __entry->new_nice, __entry->new_rt_priority,
+ __entry->new_dl_runtime, __entry->new_dl_deadline,
+ __entry->new_dl_period)
+);
+