diff options
| author | Dylan Yudaken <dylany@fb.com> | 2022-08-30 05:50:13 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-09-21 10:30:42 -0600 |
| commit | f75d5036d04cd57103fe1a50dffceb7c1040fbe7 (patch) | |
| tree | 15c7228da3b23abb23f5fd409a1286625cdae25e /io_uring/io_uring.c | |
| parent | 21a091b970cdbcf3e8ff829234b51be6f9192766 (diff) | |
io_uring: trace local task work run
Add tracing for io_run_local_task_work
Signed-off-by: Dylan Yudaken <dylany@fb.com>
Link: https://lore.kernel.org/r/20220830125013.570060-8-dylany@fb.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/io_uring.c')
| -rw-r--r-- | io_uring/io_uring.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index 3a6badb799ee..d99b31aa03ab 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -1168,6 +1168,7 @@ int io_run_local_work(struct io_ring_ctx *ctx) struct llist_node fake; struct llist_node *current_final = NULL; int ret; + unsigned int loops = 1; if (unlikely(ctx->submitter_task != current)) { /* maybe this is before any submissions */ @@ -1197,6 +1198,7 @@ again: node = io_llist_cmpxchg(&ctx->work_llist, &fake, NULL); if (node != &fake) { + loops++; current_final = &fake; node = io_llist_xchg(&ctx->work_llist, &fake); goto again; @@ -1206,6 +1208,7 @@ again: io_submit_flush_completions(ctx); mutex_unlock(&ctx->uring_lock); } + trace_io_uring_local_work_run(ctx, ret, loops); return ret; } |