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io_uring: clean up cqe trace points

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We have too many helpers posting CQEs, instead of tracing completion
events before filling in a CQE and thus having to pass all the data,
set the CQE first, pass it to the tracing helper and let it extract
everything it needs.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/b83c1ca9ee5aed2df0f3bb743bf5ed699cce4c86.1729267437.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov
2024-10-18 17:14:00 +01:00
committed by Jens Axboe
parent 9b296c625a
commit 2946f08ae9
4 changed files with 19 additions and 21 deletions
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24
include/trace/events/io_uring.h
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@@ -315,20 +315,14 @@ TRACE_EVENT(io_uring_fail_link,
* io_uring_complete - called when completing an SQE
*
* @ctx: pointer to a ring context structure
* @req: pointer to a submitted request
* @user_data: user data associated with the request
* @res: result of the request
* @cflags: completion flags
* @extra1: extra 64-bit data for CQE32
* @extra2: extra 64-bit data for CQE32
*
* @req: (optional) pointer to a submitted request
* @cqe: pointer to the filled in CQE being posted
*/
TRACE_EVENT(io_uring_complete,
TP_PROTO(void *ctx, void *req, u64 user_data, int res, unsigned cflags,
u64 extra1, u64 extra2),
TP_PROTO(struct io_ring_ctx *ctx, void *req, struct io_uring_cqe *cqe),
TP_ARGS(ctx, req, user_data, res, cflags, extra1, extra2),
TP_ARGS(ctx, req, cqe),
TP_STRUCT__entry (
__field( void *, ctx )
@@ -343,11 +337,11 @@ TRACE_EVENT(io_uring_complete,
TP_fast_assign(
__entry->ctx = ctx;
__entry->req = req;
__entry->user_data = user_data;
__entry->res = res;
__entry->cflags = cflags;
__entry->extra1 = extra1;
__entry->extra2 = extra2;
__entry->user_data = cqe->user_data;
__entry->res = cqe->res;
__entry->cflags = cqe->flags;
__entry->extra1 = io_ctx_cqe32(ctx) ? cqe->big_cqe[0] : 0;
__entry->extra2 = io_ctx_cqe32(ctx) ? cqe->big_cqe[1] : 0;
),
TP_printk("ring %p, req %p, user_data 0x%llx, result %d, cflags 0x%x "