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| author | Dylan Yudaken <dylany@fb.com> | 2022-06-22 06:40:27 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-07-24 18:39:15 -0600 |
| commit | eccd8801858f03a19a4d1f8fef27e3d6e17b21fd (patch) | |
| tree | 05e3dcccae3a635e8e38b62ac55ffdfb24d39ae5 /include/trace | |
| parent | 3a0c037b0e16e38cf5d36d2ebc259e0ae644aaf4 (diff) | |
| download | lwn-eccd8801858f03a19a4d1f8fef27e3d6e17b21fd.tar.gz lwn-eccd8801858f03a19a4d1f8fef27e3d6e17b21fd.zip | |
io_uring: add trace event for running task work
This is useful for investigating if task_work is batching
Signed-off-by: Dylan Yudaken <dylany@fb.com>
Link: https://lore.kernel.org/r/20220622134028.2013417-8-dylany@fb.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/io_uring.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/trace/events/io_uring.h b/include/trace/events/io_uring.h index 3bc8dec9acaa..918e3a43e4b2 100644 --- a/include/trace/events/io_uring.h +++ b/include/trace/events/io_uring.h @@ -600,6 +600,36 @@ TRACE_EVENT(io_uring_cqe_overflow, __entry->cflags, __entry->ocqe) ); +/* + * io_uring_task_work_run - ran task work + * + * @tctx: pointer to a io_uring_task + * @count: how many functions it ran + * @loops: how many loops it ran + * + */ +TRACE_EVENT(io_uring_task_work_run, + + TP_PROTO(void *tctx, unsigned int count, unsigned int loops), + + TP_ARGS(tctx, count, loops), + + TP_STRUCT__entry ( + __field( void *, tctx ) + __field( unsigned int, count ) + __field( unsigned int, loops ) + ), + + TP_fast_assign( + __entry->tctx = tctx; + __entry->count = count; + __entry->loops = loops; + ), + + TP_printk("tctx %p, count %u, loops %u", + __entry->tctx, __entry->count, __entry->loops) +); + #endif /* _TRACE_IO_URING_H */ /* This part must be outside protection */ |