Commit eccd8801 authored by Dylan Yudaken's avatar Dylan Yudaken Committed by Jens Axboe
Browse files

io_uring: add trace event for running task work 



This is useful for investigating if task_work is batching

Signed-off-by: default avatarDylan Yudaken <dylany@fb.com>
Link: https://lore.kernel.org/r/20220622134028.2013417-8-dylany@fb.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 3a0c037b

include/trace/events/io_uring.h

+30 −0
Original line number Diff line number Diff line
@@ -600,6 +600,36 @@ TRACE_EVENT(io_uring_cqe_overflow, 
		  __entry->cflags, __entry->ocqe)

);



/*

 * io_uring_task_work_run - ran task work

 *

 * @tctx:		pointer to a io_uring_task

 * @count:		how many functions it ran

 * @loops:		how many loops it ran

 *

 */

TRACE_EVENT(io_uring_task_work_run,



	TP_PROTO(void *tctx, unsigned int count, unsigned int loops),



	TP_ARGS(tctx, count, loops),



	TP_STRUCT__entry (

		__field(  void *,		tctx		)

		__field(  unsigned int,		count		)

		__field(  unsigned int,		loops		)

	),



	TP_fast_assign(

		__entry->tctx		= tctx;

		__entry->count		= count;

		__entry->loops		= loops;

	),



	TP_printk("tctx %p, count %u, loops %u",

		 __entry->tctx, __entry->count, __entry->loops)

);



#endif /* _TRACE_IO_URING_H */



/* This part must be outside protection */