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-rw-r--r--include/trace/events/sched.h346
1 files changed, 346 insertions, 0 deletions
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
new file mode 100644
index 000000000000..24ab5bcff7b2
--- /dev/null
+++ b/include/trace/events/sched.h
@@ -0,0 +1,346 @@
+#if !defined(_TRACE_SCHED_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_SCHED_H
+
+#include <linux/sched.h>
+#include <linux/tracepoint.h>
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM sched
+
+/*
+ * 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 )
+ __field( long, prev_state )
+ __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;
+ __entry->prev_state = prev->state;
+ 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) ==> %s:%d [%d]",
+ __entry->prev_comm, __entry->prev_pid, __entry->prev_prio,
+ __entry->prev_state ?
+ __print_flags(__entry->prev_state, "|",
+ { 1, "S"} , { 2, "D" }, { 4, "T" }, { 8, "t" },
+ { 16, "Z" }, { 32, "X" }, { 64, "x" },
+ { 128, "W" }) : "R",
+ __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 dest_cpu),
+
+ TP_ARGS(p, 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 = task_cpu(p);
+ __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)
+);
+
+#endif /* _TRACE_SCHED_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-24 22:06:51 +0000