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| author | Dylan Yudaken <dylany@fb.com> | 2022-04-21 02:13:41 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-04-24 18:18:18 -0600 |
| commit | 08dcd0288f6ecb97bc94260856e6b44cca4149e2 (patch) | |
| tree | e07d5cd54d18168e03ef6fc5c567a8be818142c3 /fs/io_uring.c | |
| parent | 47894438e916ca3fe44db33c2d4a1670fd296d6f (diff) | |
| download | linux-stable-08dcd0288f6ecb97bc94260856e6b44cca4149e2.tar.gz linux-stable-08dcd0288f6ecb97bc94260856e6b44cca4149e2.tar.bz2 linux-stable-08dcd0288f6ecb97bc94260856e6b44cca4149e2.zip | |
io_uring: trace cqe overflows
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>
Link: https://lore.kernel.org/r/20220421091345.2115755-3-dylany@fb.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/io_uring.c')
| -rw-r--r-- | fs/io_uring.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index 97ed7f419dae..e92b1b9d4b5f 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, |