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@xxxxxxxxxxxx> 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
