renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2025-01-01 18:24:23 +08:00
Code

io_uring: add trace support for CQE overflow

Browse Source 
Add trace function for overflowing CQ ring.

Signed-off-by: Dylan Yudaken <dylany@fb.com>
Link: https://lore.kernel.org/r/20220421091345.2115755-2-dylany@fb.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Dylan Yudaken 2022-04-21 02:13:40 -07:00 committed by Jens Axboe
parent 10c873334f
commit 47894438e9
1 changed files with 41 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
include/trace/events/io_uring.h
View File

@ -530,7 +530,7 @@ TRACE_EVENT(io_uring_req_failed,
),
TP_printk("ring %p, req %p, user_data 0x%llx, "
"op %d, flags 0x%x, prio=%d, off=%llu, addr=%llu, "
"op %d, flags 0x%x, prio=%d, off=%llu, addr=%llu, "
"len=%u, rw_flags=0x%x, buf_index=%d, "
"personality=%d, file_index=%d, pad=0x%llx/%llx, error=%d",
__entry->ctx, __entry->req, __entry->user_data,
@ -543,6 +543,46 @@ TRACE_EVENT(io_uring_req_failed,
(unsigned long long) __entry->pad2, __entry->error)
);
/*
* io_uring_cqe_overflow - a CQE overflowed
*
* @ctx: pointer to a ring context structure
* @user_data: user data associated with the request
* @res: CQE result
* @cflags: CQE flags
* @ocqe: pointer to the overflow cqe (if available)
*
*/
TRACE_EVENT(io_uring_cqe_overflow,
TP_PROTO(void *ctx, unsigned long long user_data, s32 res, u32 cflags,
void *ocqe),
TP_ARGS(ctx, user_data, res, cflags, ocqe),
TP_STRUCT__entry (
__field( void *, ctx )
__field( unsigned long long, user_data )
__field( s32, res )
__field( u32, cflags )
__field( void *, ocqe )
),
TP_fast_assign(
__entry->ctx = ctx;
__entry->user_data = user_data;
__entry->res = res;
__entry->cflags = cflags;
__entry->ocqe = ocqe;
),
TP_printk("ring %p, user_data 0x%llx, res %d, flags %x, "
"overflow_cqe %p",
__entry->ctx, __entry->user_data, __entry->res,
__entry->cflags, __entry->ocqe)
);
#endif /* _TRACE_IO_URING_H */
/* This part must be outside protection */