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Go io uring syscall implementation without CGO, rewrite on branch v0.4
18 commits 3 branches 14 tags 289 KiB
Go 96.9%
Python 2.5%
Makefile 0.6%
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Nugraha 98f78a3b9f
bench/perf: handle interrupt from iouring enter 
Other adjustments:
 * Fix miss results, using `SeenCqe` to pop CQ entry.
 * Increase sqpoll thread cpu to 16.
 * Fix CQE/SQE to Cqe/Sqe function name.
 * Fix UserData usage.

Benchmark:
 * Increase number of N to 10_000_000
2022-07-28 19:48:32 +07:00
assets doc: update graph 2022-07-28 19:47:38 +07:00
bench/perf bench/perf: handle interrupt from iouring enter 2022-07-28 19:48:32 +07:00
.gitignore all: use of unsafe pointer for ring, and adjustments 2022-07-28 19:45:51 +07:00
go.mod all: initial files 2022-07-05 04:52:54 +07:00
go.sum all: initial files 2022-07-05 04:52:54 +07:00
hdr.go all: use of unsafe pointer for ring, and adjustments 2022-07-28 19:45:51 +07:00
hdr_int_flags.go all: initial files 2022-07-05 04:52:54 +07:00
hdr_struct.go all: use of unsafe pointer for ring, and adjustments 2022-07-28 19:45:51 +07:00
inline_cost.py all: use of unsafe pointer for ring, and adjustments 2022-07-28 19:45:51 +07:00
Makefile all: use of unsafe pointer for ring, and adjustments 2022-07-28 19:45:51 +07:00
prep.go all: use of unsafe pointer for ring, and adjustments 2022-07-28 19:45:51 +07:00
queue.go all: use of unsafe pointer for ring, and adjustments 2022-07-28 19:45:51 +07:00
queue_test.go all: use of unsafe pointer for ring, and adjustments 2022-07-28 19:45:51 +07:00
README.md doc: add graph 2022-07-07 09:57:32 +07:00
register.go all: use of unsafe pointer for ring, and adjustments 2022-07-28 19:45:51 +07:00
setup.go all: use of unsafe pointer for ring, and adjustments 2022-07-28 19:45:51 +07:00
sigset.go all: initial files 2022-07-05 04:52:54 +07:00
syscall.go all: use of unsafe pointer for ring, and adjustments 2022-07-28 19:45:51 +07:00
syscall_nr_amd64.go all: use of unsafe pointer for ring, and adjustments 2022-07-28 19:45:51 +07:00
uring.go all: use of unsafe pointer for ring, and adjustments 2022-07-28 19:45:51 +07:00
uring_bench_test.go all: use of unsafe pointer for ring, and adjustments 2022-07-28 19:45:51 +07:00
uring_test.go all: use of unsafe pointer for ring, and adjustments 2022-07-28 19:45:51 +07:00
util_ptr_arith.go all: use of unsafe pointer for ring, and adjustments 2022-07-28 19:45:51 +07:00
util_ptr_arith_test.go all: use of unsafe pointer for ring, and adjustments 2022-07-28 19:45:51 +07:00
util_union.go all: use of unsafe pointer for ring, and adjustments 2022-07-28 19:45:51 +07:00

README.md

gouring

License: MIT Go Reference

go get github.com/ii64/gouring

Example

// setup
h, err := gouring.New(256, 0)
if err != nil { /*...*/ }
defer h.Close() 

sqe := h.GetSQE()
b := []byte("io_uring!\n")
PrepWrite(sqe, 1, &b[0], len(b), 0)

submitted, err := h.SubmitAndWait(1)
if err != nil { /*...*/ }
println(submitted) // 1

var cqe *gouring.IoUringCqe
err = h.WaitCqe(&cqe) 
if err != nil { /*...*/ } // check also EINTR

_ = cqe.UserData
_ = cqe.Res
_ = cqe.Flags

Graph

SQPOLL non-SQPOLL
sqpoll_fig nonsqpoll_fig

Reference

https://github.com/axboe/liburing