/**
* io_uring_create - called after a new io_uring context was prepared
*
- * @fd: corresponding file descriptor
- * @ctx: pointer to a ring context structure
+ * @fd: corresponding file descriptor
+ * @ctx: pointer to a ring context structure
* @sq_entries: actual SQ size
* @cq_entries: actual CQ size
- * @flags: SQ ring flags, provided to io_uring_setup(2)
+ * @flags: SQ ring flags, provided to io_uring_setup(2)
*
* Allows to trace io_uring creation and provide pointer to a context, that can
* be used later to find correlated events.
* io_uring_register - called after a buffer/file/eventfd was successfully
* registered for a ring
*
- * @ctx: pointer to a ring context structure
- * @opcode: describes which operation to perform
+ * @ctx: pointer to a ring context structure
+ * @opcode: describes which operation to perform
* @nr_user_files: number of registered files
* @nr_user_bufs: number of registered buffers
* @cq_ev_fd: whether eventfs registered or not
- * @ret: return code
+ * @ret: return code
*
* Allows to trace fixed files/buffers/eventfds, that could be registered to
* avoid an overhead of getting references to them for every operation. This
TP_ARGS(ctx, rw, req, work, flags),
TP_STRUCT__entry (
- __field( void *, ctx )
- __field( int, rw )
- __field( void *, req )
+ __field( void *, ctx )
+ __field( int, rw )
+ __field( void *, req )
__field( struct io_wq_work *, work )
__field( unsigned int, flags )
),
TP_fast_assign(
__entry->ctx = ctx;
- __entry->rw = rw;
+ __entry->rw = rw;
__entry->req = req;
__entry->work = work;
__entry->flags = flags;
/**
* io_uring_link - called before the io_uring request added into link_list of
- * another request
+ * another request
*
- * @ctx: pointer to a ring context structure
- * @req: pointer to a linked request
+ * @ctx: pointer to a ring context structure
+ * @req: pointer to a linked request
* @target_req: pointer to a previous request, that would contain @req
*
* Allows to track linked requests, to understand dependencies between requests
TP_ARGS(ctx, req, target_req),
TP_STRUCT__entry (
- __field( void *, ctx )
- __field( void *, req )
+ __field( void *, ctx )
+ __field( void *, req )
__field( void *, target_req )
),
TP_ARGS(ctx, min_events),
TP_STRUCT__entry (
- __field( void *, ctx )
+ __field( void *, ctx )
__field( int, min_events )
),
TP_ARGS(req, link),
TP_STRUCT__entry (
- __field( void *, req )
+ __field( void *, req )
__field( void *, link )
),
__entry->res, __entry->cflags)
);
-
/**
* io_uring_submit_sqe - called before submitting one SQE
*
* @ctx: pointer to a ring context structure
+ * @req: pointer to a submitted request
* @opcode: opcode of request
* @user_data: user data associated with the request
+ * @flags request flags
* @force_nonblock: whether a context blocking or not
* @sq_thread: true if sq_thread has submitted this SQE
*
*/
TRACE_EVENT(io_uring_submit_sqe,
- TP_PROTO(void *ctx, u8 opcode, u64 user_data, bool force_nonblock,
- bool sq_thread),
+ TP_PROTO(void *ctx, void *req, u8 opcode, u64 user_data, u32 flags,
+ bool force_nonblock, bool sq_thread),
- TP_ARGS(ctx, opcode, user_data, force_nonblock, sq_thread),
+ TP_ARGS(ctx, req, opcode, user_data, flags, force_nonblock, sq_thread),
TP_STRUCT__entry (
__field( void *, ctx )
+ __field( void *, req )
__field( u8, opcode )
__field( u64, user_data )
+ __field( u32, flags )
__field( bool, force_nonblock )
__field( bool, sq_thread )
),
TP_fast_assign(
__entry->ctx = ctx;
+ __entry->req = req;
__entry->opcode = opcode;
__entry->user_data = user_data;
+ __entry->flags = flags;
__entry->force_nonblock = force_nonblock;
__entry->sq_thread = sq_thread;
),
- TP_printk("ring %p, op %d, data 0x%llx, non block %d, sq_thread %d",
- __entry->ctx, __entry->opcode,
- (unsigned long long) __entry->user_data,
- __entry->force_nonblock, __entry->sq_thread)
+ TP_printk("ring %p, req %p, op %d, data 0x%llx, flags %u, "
+ "non block %d, sq_thread %d", __entry->ctx, __entry->req,
+ __entry->opcode, (unsigned long long)__entry->user_data,
+ __entry->flags, __entry->force_nonblock, __entry->sq_thread)
);
+/*
+ * io_uring_poll_arm - called after arming a poll wait if successful
+ *
+ * @ctx: pointer to a ring context structure
+ * @req: pointer to the armed request
+ * @opcode: opcode of request
+ * @user_data: user data associated with the request
+ * @mask: request poll events mask
+ * @events: registered events of interest
+ *
+ * Allows to track which fds are waiting for and what are the events of
+ * interest.
+ */
TRACE_EVENT(io_uring_poll_arm,
- TP_PROTO(void *ctx, u8 opcode, u64 user_data, int mask, int events),
+ TP_PROTO(void *ctx, void *req, u8 opcode, u64 user_data,
+ int mask, int events),
- TP_ARGS(ctx, opcode, user_data, mask, events),
+ TP_ARGS(ctx, req, opcode, user_data, mask, events),
TP_STRUCT__entry (
__field( void *, ctx )
+ __field( void *, req )
__field( u8, opcode )
__field( u64, user_data )
__field( int, mask )
TP_fast_assign(
__entry->ctx = ctx;
+ __entry->req = req;
__entry->opcode = opcode;
__entry->user_data = user_data;
__entry->mask = mask;
__entry->events = events;
),
- TP_printk("ring %p, op %d, data 0x%llx, mask 0x%x, events 0x%x",
- __entry->ctx, __entry->opcode,
- (unsigned long long) __entry->user_data,
- __entry->mask, __entry->events)
+ TP_printk("ring %p, req %p, op %d, data 0x%llx, mask 0x%x, events 0x%x",
+ __entry->ctx, __entry->req, __entry->opcode,
+ (unsigned long long) __entry->user_data,
+ __entry->mask, __entry->events)
);
TRACE_EVENT(io_uring_poll_wake,
__entry->mask)
);
+/*
+ * io_uring_task_run - called when task_work_run() executes the poll events
+ * notification callbacks
+ *
+ * @ctx: pointer to a ring context structure
+ * @req: pointer to the armed request
+ * @opcode: opcode of request
+ * @user_data: user data associated with the request
+ *
+ * Allows to track when notified poll events are processed
+ */
TRACE_EVENT(io_uring_task_run,
- TP_PROTO(void *ctx, u8 opcode, u64 user_data),
+ TP_PROTO(void *ctx, void *req, u8 opcode, u64 user_data),
- TP_ARGS(ctx, opcode, user_data),
+ TP_ARGS(ctx, req, opcode, user_data),
TP_STRUCT__entry (
__field( void *, ctx )
+ __field( void *, req )
__field( u8, opcode )
__field( u64, user_data )
),
TP_fast_assign(
__entry->ctx = ctx;
+ __entry->req = req;
__entry->opcode = opcode;
__entry->user_data = user_data;
),
- TP_printk("ring %p, op %d, data 0x%llx",
- __entry->ctx, __entry->opcode,
- (unsigned long long) __entry->user_data)
+ TP_printk("ring %p, req %p, op %d, data 0x%llx",
+ __entry->ctx, __entry->req, __entry->opcode,
+ (unsigned long long) __entry->user_data)
);
#endif /* _TRACE_IO_URING_H */