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io_uring: move io_uring_get_opcode out of TP_printk

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The TP_printk macro's are not supposed to use custom code ([1]) or else
tools such as perf cannot use these events.

Convert the opcode string representation to use the __string wiring that
the event framework provides ([2]).

[1]: https://lwn.net/Articles/379903/
[2]: https://lwn.net/Articles/381064/

Fixes: 033b87d24f ("io_uring: use the text representation of ops in trace")
Signed-off-by: Dylan Yudaken <dylany@fb.com>
Link: https://lore.kernel.org/r/20220623083743.2648321-1-dylany@fb.com
[axboe: fixup spurious removal of sq_thread assignment]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Dylan Yudaken 2022-06-23 01:37:43 -07:00 committed by Jens Axboe
parent c0737fa9a5
commit e70b64a3f2
1 changed files with 35 additions and 7 deletions
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42
include/trace/events/io_uring.h
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@ -158,6 +158,8 @@ TRACE_EVENT(io_uring_queue_async_work,
__field( unsigned int, flags )
__field( struct io_wq_work *, work )
__field( int, rw )
__string( op_str, io_uring_get_opcode(opcode) )
),
TP_fast_assign(
@ -168,11 +170,13 @@ TRACE_EVENT(io_uring_queue_async_work,
__entry->opcode = opcode;
__entry->work = work;
__entry->rw = rw;
__assign_str(op_str, io_uring_get_opcode(opcode));
),
TP_printk("ring %p, request %p, user_data 0x%llx, opcode %s, flags 0x%x, %s queue, work %p",
__entry->ctx, __entry->req, __entry->user_data,
io_uring_get_opcode(__entry->opcode),
__get_str(op_str),
__entry->flags, __entry->rw ? "hashed" : "normal", __entry->work)
);
@ -198,6 +202,8 @@ TRACE_EVENT(io_uring_defer,
__field( void *, req )
__field( unsigned long long, data )
__field( u8, opcode )
__string( op_str, io_uring_get_opcode(opcode) )
),
TP_fast_assign(
@ -205,11 +211,13 @@ TRACE_EVENT(io_uring_defer,
__entry->req = req;
__entry->data = user_data;
__entry->opcode = opcode;
__assign_str(op_str, io_uring_get_opcode(opcode));
),
TP_printk("ring %p, request %p, user_data 0x%llx, opcode %s",
__entry->ctx, __entry->req, __entry->data,
io_uring_get_opcode(__entry->opcode))
__get_str(op_str))
);
/**
@ -298,6 +306,8 @@ TRACE_EVENT(io_uring_fail_link,
__field( unsigned long long, user_data )
__field( u8, opcode )
__field( void *, link )
__string( op_str, io_uring_get_opcode(opcode) )
),
TP_fast_assign(
@ -306,11 +316,13 @@ TRACE_EVENT(io_uring_fail_link,
__entry->user_data = user_data;
__entry->opcode = opcode;
__entry->link = link;
__assign_str(op_str, io_uring_get_opcode(opcode));
),
TP_printk("ring %p, request %p, user_data 0x%llx, opcode %s, link %p",
__entry->ctx, __entry->req, __entry->user_data,
io_uring_get_opcode(__entry->opcode), __entry->link)
__get_str(op_str), __entry->link)
);
/**
@ -390,6 +402,8 @@ TRACE_EVENT(io_uring_submit_sqe,
__field( u32, flags )
__field( bool, force_nonblock )
__field( bool, sq_thread )
__string( op_str, io_uring_get_opcode(opcode) )
),
TP_fast_assign(
@ -400,11 +414,13 @@ TRACE_EVENT(io_uring_submit_sqe,
__entry->flags = flags;
__entry->force_nonblock = force_nonblock;
__entry->sq_thread = sq_thread;
__assign_str(op_str, io_uring_get_opcode(opcode));
),
TP_printk("ring %p, req %p, user_data 0x%llx, opcode %s, flags 0x%x, "
"non block %d, sq_thread %d", __entry->ctx, __entry->req,
__entry->user_data, io_uring_get_opcode(__entry->opcode),
__entry->user_data, __get_str(op_str),
__entry->flags, __entry->force_nonblock, __entry->sq_thread)
);
@ -435,6 +451,8 @@ TRACE_EVENT(io_uring_poll_arm,
__field( u8, opcode )
__field( int, mask )
__field( int, events )
__string( op_str, io_uring_get_opcode(opcode) )
),
TP_fast_assign(
@ -444,11 +462,13 @@ TRACE_EVENT(io_uring_poll_arm,
__entry->opcode = opcode;
__entry->mask = mask;
__entry->events = events;
__assign_str(op_str, io_uring_get_opcode(opcode));
),
TP_printk("ring %p, req %p, user_data 0x%llx, opcode %s, mask 0x%x, events 0x%x",
__entry->ctx, __entry->req, __entry->user_data,
io_uring_get_opcode(__entry->opcode),
__get_str(op_str),
__entry->mask, __entry->events)
);
@ -474,6 +494,8 @@ TRACE_EVENT(io_uring_task_add,
__field( unsigned long long, user_data )
__field( u8, opcode )
__field( int, mask )
__string( op_str, io_uring_get_opcode(opcode) )
),
TP_fast_assign(
@ -482,11 +504,13 @@ TRACE_EVENT(io_uring_task_add,
__entry->user_data = user_data;
__entry->opcode = opcode;
__entry->mask = mask;
__assign_str(op_str, io_uring_get_opcode(opcode));
),
TP_printk("ring %p, req %p, user_data 0x%llx, opcode %s, mask %x",
__entry->ctx, __entry->req, __entry->user_data,
io_uring_get_opcode(__entry->opcode),
__get_str(op_str),
__entry->mask)
);
@ -523,6 +547,8 @@ TRACE_EVENT(io_uring_req_failed,
__field( u64, pad1 )
__field( u64, addr3 )
__field( int, error )
__string( op_str, io_uring_get_opcode(sqe->opcode) )
),
TP_fast_assign(
@ -542,6 +568,8 @@ TRACE_EVENT(io_uring_req_failed,
__entry->pad1 = sqe->__pad2[0];
__entry->addr3 = sqe->addr3;
__entry->error = error;
__assign_str(op_str, io_uring_get_opcode(sqe->opcode));
),
TP_printk("ring %p, req %p, user_data 0x%llx, "
@ -550,7 +578,7 @@ TRACE_EVENT(io_uring_req_failed,
"personality=%d, file_index=%d, pad=0x%llx, addr3=%llx, "
"error=%d",
__entry->ctx, __entry->req, __entry->user_data,
io_uring_get_opcode(__entry->opcode),
__get_str(op_str),
__entry->flags, __entry->ioprio,
(unsigned long long)__entry->off,
(unsigned long long) __entry->addr, __entry->len,