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WIP: feat: io_uring for netpoll I/O poller

Open Jacob953 opened this issue 3 years ago • 3 comments

Follows #151, tracing at #194. Hold, please ;)

Jacob953 avatar Aug 25 '22 08:08 Jacob953

Currently, the test coverage is as follows.

github.com/cloudwego/netpoll/uring/sys_enter.go:37:     PrepRW                  100.0%
github.com/cloudwego/netpoll/uring/sys_enter.go:64:     Error                   100.0%
github.com/cloudwego/netpoll/uring/sys_enter.go:72:     Data                    0.0%
github.com/cloudwego/netpoll/uring/sys_enter.go:77:     setUserData             100.0%
github.com/cloudwego/netpoll/uring/sys_enter.go:82:     setFlags                100.0%
github.com/cloudwego/netpoll/uring/sys_enter.go:87:     setAddr                 100.0%
github.com/cloudwego/netpoll/uring/sys_mmap.go:23:      sysMunmap               75.0%
github.com/cloudwego/netpoll/uring/sys_mmap.go:33:      sysMmap                 77.8%
github.com/cloudwego/netpoll/uring/sys_mmap.go:99:      mumap                   100.0%
github.com/cloudwego/netpoll/uring/sys_mmap.go:103:     mmap                    100.0%
github.com/cloudwego/netpoll/uring/sys_op.go:184:       Nop                     100.0%
github.com/cloudwego/netpoll/uring/sys_op.go:190:       Prep                    100.0%
github.com/cloudwego/netpoll/uring/sys_op.go:194:       getFlag                 100.0%
github.com/cloudwego/netpoll/uring/sys_op.go:200:       Read                    0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:216:       Prep                    0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:220:       getFlag                 0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:226:       Write                   0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:243:       Prep                    0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:247:       getFlag                 0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:253:       ReadV                   100.0%
github.com/cloudwego/netpoll/uring/sys_op.go:274:       Prep                    100.0%
github.com/cloudwego/netpoll/uring/sys_op.go:278:       getFlag                 100.0%
github.com/cloudwego/netpoll/uring/sys_op.go:284:       WriteV                  0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:305:       Prep                    0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:309:       getFlag                 0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:315:       Close                   100.0%
github.com/cloudwego/netpoll/uring/sys_op.go:325:       Prep                    100.0%
github.com/cloudwego/netpoll/uring/sys_op.go:329:       getFlag                 100.0%
github.com/cloudwego/netpoll/uring/sys_op.go:335:       Openat                  0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:351:       Prep                    0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:356:       getFlag                 0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:362:       RecvMsg                 0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:376:       Prep                    0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:381:       getFlag                 0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:387:       SendMsg                 0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:401:       Prep                    0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:406:       getFlag                 0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:412:       Recv                    0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:428:       Prep                    0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:433:       getFlag                 0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:439:       Send                    0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:455:       Prep                    0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:460:       getFlag                 0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:467:       Connect                 0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:487:       PrepSQE                 0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:491:       getFlag                 0.0%
github.com/cloudwego/netpoll/uring/sys_op.go:498:       Timeout                 100.0%
github.com/cloudwego/netpoll/uring/sys_op.go:509:       Prep                    100.0%
github.com/cloudwego/netpoll/uring/sys_op.go:514:       getFlag                 100.0%
github.com/cloudwego/netpoll/uring/sys_probe.go:35:     Op                      0.0%
github.com/cloudwego/netpoll/uring/sys_probe.go:40:     OpFlagSupported         0.0%
github.com/cloudwego/netpoll/uring/sys_register.go:66:  RegisterBuffers         0.0%
github.com/cloudwego/netpoll/uring/sys_register.go:71:  UnRegisterBuffers       0.0%
github.com/cloudwego/netpoll/uring/sys_register.go:76:  RegisterFilse           0.0%
github.com/cloudwego/netpoll/uring/sys_register.go:81:  UnRegisterFiles         0.0%
github.com/cloudwego/netpoll/uring/syscall.go:28:       SysRegister             75.0%
github.com/cloudwego/netpoll/uring/syscall.go:39:       SysSetUp                100.0%
github.com/cloudwego/netpoll/uring/syscall.go:49:       SysEnter                75.0%
github.com/cloudwego/netpoll/uring/syscall.go:98:       WRITE_ONCE_U32          0.0%
github.com/cloudwego/netpoll/uring/syscall.go:102:      READ_ONCE_U32           100.0%
github.com/cloudwego/netpoll/uring/syscall.go:106:      SMP_STORE_RELEASE_U32   100.0%
github.com/cloudwego/netpoll/uring/syscall.go:110:      SMP_LOAD_ACQUIRE_U32    100.0%
github.com/cloudwego/netpoll/uring/uring.go:25:         IOURing                 100.0%
github.com/cloudwego/netpoll/uring/uring.go:41:         Fd                      100.0%
github.com/cloudwego/netpoll/uring/uring.go:46:         SQE                     0.0%
github.com/cloudwego/netpoll/uring/uring.go:51:         Queue                   85.7%
github.com/cloudwego/netpoll/uring/uring.go:65:         Probe                   100.0%
github.com/cloudwego/netpoll/uring/uring.go:72:         RegisterProbe           0.0%
github.com/cloudwego/netpoll/uring/uring.go:78:         Advance                 100.0%
github.com/cloudwego/netpoll/uring/uring.go:87:         Close                   100.0%
github.com/cloudwego/netpoll/uring/uring.go:96:         IOPoll                  0.0%
github.com/cloudwego/netpoll/uring/uring.go:104:        SQPoll                  0.0%
github.com/cloudwego/netpoll/uring/uring.go:113:        SQAff                   0.0%
github.com/cloudwego/netpoll/uring/uring.go:121:        CQSize                  100.0%
github.com/cloudwego/netpoll/uring/uring.go:129:        CQE32                   0.0%
github.com/cloudwego/netpoll/uring/uring.go:136:        AttachWQ                0.0%
github.com/cloudwego/netpoll/uring/uring.go:143:        URingDisabled           0.0%
github.com/cloudwego/netpoll/uring/uring.go:152:        Submit                  100.0%
github.com/cloudwego/netpoll/uring/uring.go:160:        SubmitAndWait           0.0%
github.com/cloudwego/netpoll/uring/uring.go:167:        WaitCQE                 100.0%
github.com/cloudwego/netpoll/uring/uring.go:172:        WaitCQENr               100.0%
github.com/cloudwego/netpoll/uring/uring.go:185:        WaitCQEs                71.4%
github.com/cloudwego/netpoll/uring/uring.go:206:        WaitCQETimeout          100.0%
github.com/cloudwego/netpoll/uring/uring.go:213:        PeekBatchCQE            66.7%
github.com/cloudwego/netpoll/uring/uring.go:233:        CQESeen                 100.0%
github.com/cloudwego/netpoll/uring/uring.go:240:        WaitCQEsNew             0.0%
github.com/cloudwego/netpoll/uring/uring_cmplt.go:40:   getCQE                  77.4%
github.com/cloudwego/netpoll/uring/uring_cmplt.go:93:   getEventsArg            0.0%
github.com/cloudwego/netpoll/uring/uring_cmplt.go:98:   submitTimeout           45.5%
github.com/cloudwego/netpoll/uring/uring_cmplt.go:116:  peekCQE                 65.0%
github.com/cloudwego/netpoll/uring/uring_cmplt.go:151:  peekBatchCQE            92.3%
github.com/cloudwego/netpoll/uring/uring_cmplt.go:173:  nextSQE                 87.5%
github.com/cloudwego/netpoll/uring/uring_cmplt.go:188:  cqRingNeedEnter         100.0%
github.com/cloudwego/netpoll/uring/uring_cmplt.go:193:  cqRingNeedFlush         100.0%
github.com/cloudwego/netpoll/uring/uring_cmplt.go:198:  sqRingNeedEnter         50.0%
github.com/cloudwego/netpoll/uring/uring_cmplt.go:213:  ready                   100.0%
github.com/cloudwego/netpoll/uring/uring_sbmt.go:65:    submitAndWait           100.0%
github.com/cloudwego/netpoll/uring/uring_sbmt.go:70:    submit                  70.0%
github.com/cloudwego/netpoll/uring/uring_sbmt.go:88:    flushSQ                 90.9%
total:                                                  (statements)            63.3%

Close to 400 lines of operation(including setup, and register) are non-essential to test, and I think the coverage has reached about 80%.

Jacob953 avatar Sep 15 '22 00:09 Jacob953

Run go test -bench=".*" -benchtime=1000000x at uring/benchmark/ .

goos: linux
goarch: arm64
pkg: github.com/cloudwego/netpoll/uring/benchmark
BenchmarkEpoll-4   	 1000000	      1232 ns/op
BenchmarkUring-4   	 1000000	       457.4 ns/op
PASS

Jacob953 avatar Oct 12 '22 20:10 Jacob953

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