[RFC PATCH v1 0/3] liburing: add api for napi busy poll timeout

Stefan Roesch
2022-11-03T20:40:32Z

This adds two new api's to set and clear the napi busy poll timeout. The
two new functions are called:
- io_uring_register_busy_poll_timeout and
- io_uring_unregister_busy_poll_timeout.

The patch series also contains the documentation for the two new functions
and two test programs. The client program is called napi-busy-poll-client
and the server program napi-busy-poll-server. The client measures the
roundtrip times of requests.

There is also a kernel patch "io-uring: support napi busy poll" to enable
this feature on the kernel side.

Signed-off-by: Stefan Roesch <shr@devkernel.io>

Stefan Roesch (3):
liburing: add api to set napi busy poll timeout
liburing: add documentation for new napi busy polling
liburing: add test programs for napi busy poll

man/io_uring_register_napi.3 | 35 +++
man/io_uring_unregister_napi.3 | 26 ++
src/include/liburing.h | 3 +
src/include/liburing/io_uring.h | 4 +
src/register.c | 12 +
test/Makefile | 2 +
test/napi-busy-poll-client.c | 419 ++++++++++++++++++++++++++++++++
test/napi-busy-poll-server.c | 371 ++++++++++++++++++++++++++++
8 files changed, 872 insertions(+)
create mode 100644 man/io_uring_register_napi.3
create mode 100644 man/io_uring_unregister_napi.3
create mode 100644 test/napi-busy-poll-client.c
create mode 100644 test/napi-busy-poll-server.c

base-commit: 4915f2af869876d892a1f591ee2c21be21c6fc5c
--
2.30.2