Messages in this thread Patch in this message | | | From | Dylan Yudaken <> | Subject | [PATCH 2/6] io_uring: trace cqe overflows | Date | Thu, 21 Apr 2022 02:13:41 -0700 |
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Trace cqe overflows in io_uring. Print ocqe before the check, so if it is NULL it indicates that it has been dropped.
Signed-off-by: Dylan Yudaken <dylany@fb.com> --- fs/io_uring.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/fs/io_uring.c b/fs/io_uring.c index 7e1d5243bbbc..d654faffa486 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -2107,6 +2107,7 @@ static bool io_cqring_event_overflow(struct io_ring_ctx *ctx, u64 user_data, struct io_overflow_cqe *ocqe; ocqe = kmalloc(sizeof(*ocqe), GFP_ATOMIC | __GFP_ACCOUNT); + trace_io_uring_cqe_overflow(ctx, user_data, res, cflags, ocqe); if (!ocqe) { /* * If we're in ring overflow flush mode, or in task cancel mode, -- 2.30.2
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