kBench test with Cypress CyStream example

[mcuee]

There is an error in the end for ISOC loop test, using WinUSB driver.
OS: Windows 10 Enterprise 22H2
Dell laptop with Intel Core i7-9850H.

C:\libusbK-3.1.0.0-bin\bin\exe\amd64> .\kBench.exe notestselect list intf=0 altf=6 loop buffercount=3 buffersize=16384 mode=async
device-count=3
1. USBasp (Composite Parent) (USB\VID_16C0&PID_05DC\0001) [libusbK]
2. SMSC-Microchip WinUSB USB5734 Device (USB\VID_0424&PID_2740\D&127B8A6A&0&5) [WinUSB]
3. CY-Stream (USB\VID_04B4&PID_00F1\6&E51CBBB&1&2) [WinUSB]
Select device (1-3) :3

opened CY-Stream (USB\VID_04B4&PID_00F1\6&E51CBBB&1&2)..
Loop Test Information
        Driver          : WinUSB
        Vid / Pid       : 04B4h / 00F1h
        DevicePath      : \\?\usb#vid_04b4&pid_00f1#6&e51cbbb&1&2#{97a0090b-0329-07f7-c2bd-7ba7a223756d}
        Device Speed    : High
        Interface #     : 00h
        Alt Interface # : 06h
        Num Endpoints   : 2
        Priority        : 0
        Read Size       : 16384
        Write Size      : 16384
        Buffer Count    : 3
        Display Refresh : 1000 (ms)
        Transfer Timeout: 5000 (ms)
        Retry Count     : 0
        Verify Data     : Off

Isochronous Read (Ep82h) Maximum Packet Size: 1024
Isochronous Write (Ep06h) Maximum Packet Size: 1024

While the test is running:
Press 'Q' to quit
Press 'T' for test details
Press 'I' for status information
Press 'R' to reset averages

Press 'Q' to exit, any other key to begin..
Avg. Bytes/s: 16483801.02 Transfers: 991 Bytes/s: 16483801.02 ISO-Packets (Total/Good/Bad):15952/15952/0
Avg. Bytes/s: 16400384.00 Transfers: 2002 Bytes/s: 16319432.51 ISO-Packets (Total/Good/Bad):32128/32128/0
Avg. Bytes/s: 16367702.92 Transfers: 3013 Bytes/s: 16303370.08 ISO-Packets (Total/Good/Bad):48304/48304/0
Avg. Bytes/s: 16420717.13 Transfers: 4025 Bytes/s: 16580608.00 ISO-Packets (Total/Good/Bad):64496/64496/0
Avg. Bytes/s: 16387255.96 Transfers: 5033 Bytes/s: 16254992.13 ISO-Packets (Total/Good/Bad):80624/80624/0
Avg. Bytes/s: 16408445.62 Transfers: 6041 Bytes/s: 16515072.00 ISO-Packets (Total/Good/Bad):96752/96752/0
Avg. Bytes/s: 16402599.69 Transfers: 7055 Bytes/s: 16367858.13 ISO-Packets (Total/Good/Bad):112976/112976/0
Avg. Bytes/s: 16386032.00 Transfers: 8064 Bytes/s: 16271118.11 ISO-Packets (Total/Good/Bad):129120/129120/0
Avg. Bytes/s: 16391231.16 Transfers: 9067 Bytes/s: 16433152.00 ISO-Packets (Total/Good/Bad):145168/145168/0
Avg. Bytes/s: 16382374.28 Transfers: 10077 Bytes/s: 16303290.64 ISO-Packets (Total/Good/Bad):161328/161328/0
Avg. Bytes/s: 16395831.74 Transfers: 11086 Bytes/s: 16531456.00 ISO-Packets (Total/Good/Bad):177472/177472/0
Avg. Bytes/s: 16388064.16 Transfers: 12097 Bytes/s: 16303370.08 ISO-Packets (Total/Good/Bad):193648/193648/0
Avg. Bytes/s: 16392758.82 Transfers: 13101 Bytes/s: 16449536.00 ISO-Packets (Total/Good/Bad):209712/209712/0
Avg. Bytes/s: 16380516.51 Transfers: 14107 Bytes/s: 16222740.16 ISO-Packets (Total/Good/Bad):225808/225808/0
Avg. Bytes/s: 16394843.15 Transfers: 15120 Bytes/s: 16596992.00 ISO-Packets (Total/Good/Bad):242016/242016/0
Avg. Bytes/s: 16391112.43 Transfers: 16132 Bytes/s: 16335574.38 ISO-Packets (Total/Good/Bad):258208/258208/0
Avg. Bytes/s: 16384000.00 Transfers: 17141 Bytes/s: 16271118.11 ISO-Packets (Total/Good/Bad):274352/274352/0
Avg. Bytes/s: 16393934.62 Transfers: 18152 Bytes/s: 16564224.00 ISO-Packets (Total/Good/Bad):290528/290528/0
Avg. Bytes/s: 16390841.99 Transfers: 19165 Bytes/s: 16335622.05 ISO-Packets (Total/Good/Bad):306736/306736/0
Avg. Bytes/s: 16388061.07 Transfers: 20177 Bytes/s: 16335574.38 ISO-Packets (Total/Good/Bad):322928/322928/0
Avg. Bytes/s: 16381680.20 Transfers: 21185 Bytes/s: 16254992.13 ISO-Packets (Total/Good/Bad):339056/339056/0
Avg. Bytes/s: 16392122.59 Transfers: 22199 Bytes/s: 16613376.00 ISO-Packets (Total/Good/Bad):355280/355280/0
Avg. Bytes/s: 16390355.04 Transfers: 23212 Bytes/s: 16351716.26 ISO-Packets (Total/Good/Bad):371488/371488/0
Avg. Bytes/s: 16389411.95 Transfers: 24227 Bytes/s: 16367874.02 ISO-Packets (Total/Good/Bad):387728/387728/0
Avg. Bytes/s: 16387246.28 Transfers: 25240 Bytes/s: 16335622.05 ISO-Packets (Total/Good/Bad):403936/403936/0
Avg. Bytes/s: 16387744.91 Transfers: 26256 Bytes/s: 16400141.87 ISO-Packets (Total/Good/Bad):420192/420192/0
Avg. Bytes/s: 16388208.73 Transfers: 27257 Bytes/s: 16400384.00 ISO-Packets (Total/Good/Bad):436208/436208/0
Avg. Bytes/s: 16385159.27 Transfers: 28268 Bytes/s: 16303370.08 ISO-Packets (Total/Good/Bad):452384/452384/0
Avg. Bytes/s: 16383440.48 Transfers: 29281 Bytes/s: 16335622.05 ISO-Packets (Total/Good/Bad):468592/468592/0
Avg. Bytes/s: 16387787.33 Transfers: 30289 Bytes/s: 16515072.00 ISO-Packets (Total/Good/Bad):484720/484720/0
Avg. Bytes/s: 16388188.01 Transfers: 31305 Bytes/s: 16400141.87 ISO-Packets (Total/Good/Bad):500976/500976/0
Avg. Bytes/s: 16387042.24 Transfers: 32319 Bytes/s: 16351748.03 ISO-Packets (Total/Good/Bad):517200/517200/0
Avg. Bytes/s: 16385474.80 Transfers: 33331 Bytes/s: 16335574.38 ISO-Packets (Total/Good/Bad):533392/533392/0
Error:[WinError] A device attached to the system is not functioning.

Error:[TransferThreadProc] failed writing! 1 of 1 ret=-31
waiting for Ep82h thread..
stopped Ep82h thread.   ExitCode=0
stopped Ep06h thread.   ExitCode=0
Loop Test Information
        Driver          : WinUSB
        Vid / Pid       : 04B4h / 00F1h
        DevicePath      : \\?\usb#vid_04b4&pid_00f1#6&e51cbbb&1&2#{97a0090b-0329-07f7-c2bd-7ba7a223756d}
        Device Speed    : High
        Interface #     : 00h
        Alt Interface # : 06h
        Num Endpoints   : 2
        Priority        : 0
        Read Size       : 16384
        Write Size      : 16384
        Buffer Count    : 3
        Display Refresh : 1000 (ms)
        Transfer Timeout: 5000 (ms)
        Retry Count     : 0
        Verify Data     : Off

Isochronous Read (Ep82h) Maximum Packet Size: 1024
        Total Bytes     : 281329664
        Total Transfers : 17171
        Avg. Bytes/sec  : 8191522.94
        Elapsed Time    : 34.34 seconds

Isochronous Write (Ep06h) Maximum Packet Size: 1024
        Total Bytes     : 276545536
        Total Transfers : 16879
        Other Errors    : 1
        Avg. Bytes/sec  : 8193941.81
        Elapsed Time    : 33.75 seconds

Press any key to exit..

[mcuee]

Adding retry does not seem to help.

C:\libusbK-3.1.0.0-bin\bin\exe\amd64> .\kBench.exe notestselect list intf=0 altf=6 loop buffercount=3 buffersize=16384 mode=async retry=3
device-count=3
1. USBasp (Composite Parent) (USB\VID_16C0&PID_05DC\0001) [libusbK]
2. SMSC-Microchip WinUSB USB5734 Device (USB\VID_0424&PID_2740\D&127B8A6A&0&5) [WinUSB]
3. CY-Stream (USB\VID_04B4&PID_00F1\6&E51CBBB&1&2) [WinUSB]
Select device (1-3) :3

opened CY-Stream (USB\VID_04B4&PID_00F1\6&E51CBBB&1&2)..
Loop Test Information
        Driver          : WinUSB
        Vid / Pid       : 04B4h / 00F1h
        DevicePath      : \\?\usb#vid_04b4&pid_00f1#6&e51cbbb&1&2#{97a0090b-0329-07f7-c2bd-7ba7a223756d}
        Device Speed    : High
        Interface #     : 00h
        Alt Interface # : 06h
        Num Endpoints   : 2
        Priority        : 0
        Read Size       : 16384
        Write Size      : 16384
        Buffer Count    : 3
        Display Refresh : 1000 (ms)
        Transfer Timeout: 5000 (ms)
        Retry Count     : 3
        Verify Data     : Off

Isochronous Read (Ep82h) Maximum Packet Size: 1024
Isochronous Write (Ep06h) Maximum Packet Size: 1024

While the test is running:
Press 'Q' to quit
Press 'T' for test details
Press 'I' for status information
Press 'R' to reset averages

Press 'Q' to exit, any other key to begin..
Avg. Bytes/s: 16376681.26 Transfers: 992 Bytes/s: 16376681.26 ISO-Packets (Total/Good/Bad):15968/15968/0
Avg. Bytes/s: 16392192.00 Transfers: 2001 Bytes/s: 16409181.32 ISO-Packets (Total/Good/Bad):32112/32112/0
Avg. Bytes/s: 16405903.28 Transfers: 3012 Bytes/s: 16433668.03 ISO-Packets (Total/Good/Bad):48288/48288/0
Avg. Bytes/s: 16392159.36 Transfers: 4018 Bytes/s: 16352522.08 ISO-Packets (Total/Good/Bad):64384/64384/0
Avg. Bytes/s: 16423196.17 Transfers: 5028 Bytes/s: 16547840.00 ISO-Packets (Total/Good/Bad):80544/80544/0
Avg. Bytes/s: 16400297.08 Transfers: 6038 Bytes/s: 16287244.09 ISO-Packets (Total/Good/Bad):96704/96704/0
Avg. Bytes/s: 16386324.96 Transfers: 7048 Bytes/s: 16303290.64 ISO-Packets (Total/Good/Bad):112864/112864/0
Avg. Bytes/s: 16406396.42 Transfers: 8058 Bytes/s: 16547840.00 ISO-Packets (Total/Good/Bad):129024/129024/0
Avg. Bytes/s: 16394867.52 Transfers: 9061 Bytes/s: 16303628.09 ISO-Packets (Total/Good/Bad):145072/145072/0
Avg. Bytes/s: 16388884.43 Transfers: 10066 Bytes/s: 16336138.08 ISO-Packets (Total/Good/Bad):161152/161152/0
Avg. Bytes/s: 16379568.85 Transfers: 11068 Bytes/s: 16287502.11 ISO-Packets (Total/Good/Bad):177184/177184/0
Avg. Bytes/s: 16401656.64 Transfers: 12076 Bytes/s: 16649340.88 ISO-Packets (Total/Good/Bad):193312/193312/0
Avg. Bytes/s: 16390263.48 Transfers: 13084 Bytes/s: 16254992.13 ISO-Packets (Total/Good/Bad):209440/209440/0
Avg. Bytes/s: 16395637.19 Transfers: 14089 Bytes/s: 16465920.00 ISO-Packets (Total/Good/Bad):225520/225520/0
Avg. Bytes/s: 16388341.86 Transfers: 15098 Bytes/s: 16287148.77 ISO-Packets (Total/Good/Bad):241664/241664/0
Avg. Bytes/s: 16398252.27 Transfers: 16108 Bytes/s: 16547840.00 ISO-Packets (Total/Good/Bad):257824/257824/0
Avg. Bytes/s: 16391660.55 Transfers: 17118 Bytes/s: 16287244.09 ISO-Packets (Total/Good/Bad):273984/273984/0
Avg. Bytes/s: 16384903.94 Transfers: 18126 Bytes/s: 16271006.90 ISO-Packets (Total/Good/Bad):290112/290112/0
Avg. Bytes/s: 16386571.83 Transfers: 19136 Bytes/s: 16417542.05 ISO-Packets (Total/Good/Bad):306272/306272/0
Avg. Bytes/s: 16388067.33 Transfers: 20146 Bytes/s: 16417542.05 ISO-Packets (Total/Good/Bad):322432/322432/0
Avg. Bytes/s: 16384000.00 Transfers: 21157 Bytes/s: 16303370.08 ISO-Packets (Total/Good/Bad):338608/338608/0
Avg. Bytes/s: 16385849.63 Transfers: 22167 Bytes/s: 16425565.32 ISO-Packets (Total/Good/Bad):354768/354768/0
Avg. Bytes/s: 16385414.12 Transfers: 23174 Bytes/s: 16376655.45 ISO-Packets (Total/Good/Bad):370880/370880/0
Avg. Bytes/s: 16392133.71 Transfers: 24184 Bytes/s: 16547840.00 ISO-Packets (Total/Good/Bad):387040/387040/0
Avg. Bytes/s: 16386601.87 Transfers: 25192 Bytes/s: 16254992.13 ISO-Packets (Total/Good/Bad):403168/403168/0
Avg. Bytes/s: 16383374.75 Transfers: 26203 Bytes/s: 16303370.08 ISO-Packets (Total/Good/Bad):419344/419344/0
Avg. Bytes/s: 16384904.23 Transfers: 27213 Bytes/s: 16425565.32 ISO-Packets (Total/Good/Bad):435504/435504/0
Avg. Bytes/s: 16386322.41 Transfers: 28223 Bytes/s: 16425565.32 ISO-Packets (Total/Good/Bad):451664/451664/0
Avg. Bytes/s: 16387364.54 Transfers: 29233 Bytes/s: 16417542.05 ISO-Packets (Total/Good/Bad):467824/467824/0
Avg. Bytes/s: 16384271.75 Transfers: 30243 Bytes/s: 16295267.37 ISO-Packets (Total/Good/Bad):483984/483984/0
Avg. Bytes/s: 16384000.00 Transfers: 31250 Bytes/s: 16376655.45 ISO-Packets (Total/Good/Bad):500096/500096/0
Avg. Bytes/s: 16386540.16 Transfers: 32255 Bytes/s: 16465920.00 ISO-Packets (Total/Good/Bad):516176/516176/0
Avg. Bytes/s: 16389420.27 Transfers: 33261 Bytes/s: 16482304.00 ISO-Packets (Total/Good/Bad):532272/532272/0
Avg. Bytes/s: 16386390.71 Transfers: 34271 Bytes/s: 16287244.09 ISO-Packets (Total/Good/Bad):548432/548432/0
Avg. Bytes/s: 16383535.63 Transfers: 35281 Bytes/s: 16287244.09 ISO-Packets (Total/Good/Bad):564592/564592/0
Avg. Bytes/s: 16388064.16 Transfers: 36291 Bytes/s: 16547840.00 ISO-Packets (Total/Good/Bad):580752/580752/0
Avg. Bytes/s: 16384439.28 Transfers: 37298 Bytes/s: 16254865.02 ISO-Packets (Total/Good/Bad):596864/596864/0
Avg. Bytes/s: 16385283.89 Transfers: 38308 Bytes/s: 16417542.05 ISO-Packets (Total/Good/Bad):613024/613024/0
Avg. Bytes/s: 16386083.79 Transfers: 39318 Bytes/s: 16417542.05 ISO-Packets (Total/Good/Bad):629184/629184/0
Avg. Bytes/s: 16386032.34 Transfers: 40326 Bytes/s: 16385032.06 ISO-Packets (Total/Good/Bad):645312/645312/0
Avg. Bytes/s: 16384396.43 Transfers: 41330 Bytes/s: 16320012.09 ISO-Packets (Total/Good/Bad):661392/661392/0
Avg. Bytes/s: 16385355.00 Transfers: 42340 Bytes/s: 16409181.32 ISO-Packets (Total/Good/Bad):677536/677536/0
Avg. Bytes/s: 16386079.85 Transfers: 43342 Bytes/s: 16416768.00 ISO-Packets (Total/Good/Bad):693568/693568/0
Avg. Bytes/s: 16384000.53 Transfers: 44352 Bytes/s: 16295267.37 ISO-Packets (Total/Good/Bad):709728/709728/0
Avg. Bytes/s: 16384722.40 Transfers: 45362 Bytes/s: 16417542.05 ISO-Packets (Total/Good/Bad):725888/725888/0
Avg. Bytes/s: 16385590.51 Transfers: 46372 Bytes/s: 16425565.32 ISO-Packets (Total/Good/Bad):742048/742048/0
Avg. Bytes/s: 16385037.51 Transfers: 47378 Bytes/s: 16360513.58 ISO-Packets (Total/Good/Bad):758144/758144/0
Error:[WinError] A device attached to the system is not functioning.

Error:[TransferThreadProc] failed writing! 1 of 4 ret=-31
Error:[WinError] A device attached to the system is not functioning.

Error:[TransferThreadProc] failed writing! 2 of 4 ret=-31
Error:[WinError] A device attached to the system is not functioning.

Error:[TransferThreadProc] failed writing! 3 of 4 ret=-31
Error:[WinError] A device attached to the system is not functioning.

Error:[TransferThreadProc] failed writing! 4 of 4 ret=-31
waiting for Ep82h thread..
stopped Ep82h thread.   ExitCode=0
stopped Ep06h thread.   ExitCode=0
Loop Test Information
        Driver          : WinUSB
        Vid / Pid       : 04B4h / 00F1h
        DevicePath      : \\?\usb#vid_04b4&pid_00f1#6&e51cbbb&1&2#{97a0090b-0329-07f7-c2bd-7ba7a223756d}
        Device Speed    : High
        Interface #     : 00h
        Alt Interface # : 06h
        Num Endpoints   : 2
        Priority        : 0
        Read Size       : 16384
        Write Size      : 16384
        Buffer Count    : 3
        Display Refresh : 1000 (ms)
        Transfer Timeout: 5000 (ms)
        Retry Count     : 3
        Verify Data     : Off

Isochronous Read (Ep82h) Maximum Packet Size: 1024
        Total Bytes     : 396410880
        Total Transfers : 24195
        Avg. Bytes/sec  : 8191830.71
        Elapsed Time    : 48.39 seconds

Isochronous Write (Ep06h) Maximum Packet Size: 1024
        Total Bytes     : 392314880
        Total Transfers : 23948
        Other Errors    : 4
        Avg. Bytes/sec  : 8191828.94
        Elapsed Time    : 47.89 seconds

Press any key to exit..

[mcuee]

No issues with bulk transfer.

C:\libusbK-3.1.0.0-bin\bin\exe\amd64> .\kBench.exe notestselect list intf=0 altf=2 loop buffercount=3 buffersize=16384 mode=async
device-count=2
1. SMSC-Microchip WinUSB USB5734 Device (USB\VID_0424&PID_2740\D&127B8A6A&0&5) [WinUSB]
2. CY-Stream (USB\VID_04B4&PID_00F1\5&E9F3E45&0&1) [WinUSB]
Select device (1-2) :2

opened CY-Stream (USB\VID_04B4&PID_00F1\5&E9F3E45&0&1)..
Loop Test Information
        Driver          : WinUSB
        Vid / Pid       : 04B4h / 00F1h
        DevicePath      : \\?\usb#vid_04b4&pid_00f1#5&e9f3e45&0&1#{97a0090b-0329-07f7-c2bd-7ba7a223756d}
        Device Speed    : High
        Interface #     : 00h
        Alt Interface # : 02h
        Num Endpoints   : 2
        Priority        : 0
        Read Size       : 16384
        Write Size      : 16384
        Buffer Count    : 3
        Display Refresh : 1000 (ms)
        Transfer Timeout: 5000 (ms)
        Retry Count     : 0
        Verify Data     : Off

Bulk Read (Ep82h) Maximum Packet Size: 512
Bulk Write (Ep06h) Maximum Packet Size: 512

While the test is running:
Press 'Q' to quit
Press 'T' for test details
Press 'I' for status information
Press 'R' to reset averages

Press 'Q' to exit, any other key to begin..
Avg. Bytes/s: 40779776.00 Transfers: 2489 Bytes/s: 40779776.00
Avg. Bytes/s: 39976960.00 Transfers: 4880 Bytes/s: 39174144.00
Avg. Bytes/s: 40378737.40 Transfers: 7433 Bytes/s: 41169637.80
Avg. Bytes/s: 40278693.23 Transfers: 9873 Bytes/s: 39976960.00
Avg. Bytes/s: 40574091.83 Transfers: 12459 Bytes/s: 41742880.79
Avg. Bytes/s: 40492621.13 Transfers: 14945 Bytes/s: 40089196.85
Avg. Bytes/s: 40372947.35 Transfers: 17365 Bytes/s: 39649280.00
Avg. Bytes/s: 40306712.64 Transfers: 19836 Bytes/s: 39847307.09
Avg. Bytes/s: 40141975.06 Transfers: 22205 Bytes/s: 38813696.00
Avg. Bytes/s: 40035485.23 Transfers: 24608 Bytes/s: 39079229.79
Avg. Bytes/s: 39977965.70 Transfers: 27031 Bytes/s: 39405457.02
Avg. Bytes/s: 40041498.93 Transfers: 29557 Bytes/s: 40734236.22
Avg. Bytes/s: 40590675.72 Transfers: 32477 Bytes/s: 47134266.01
Avg. Bytes/s: 41176572.12 Transfers: 35459 Bytes/s: 48857088.00
Avg. Bytes/s: 41395381.30 Transfers: 38174 Bytes/s: 44482560.00
Avg. Bytes/s: 41286663.94 Transfers: 40634 Bytes/s: 39669921.26
Avg. Bytes/s: 41122014.35 Transfers: 43022 Bytes/s: 38508850.39
Avg. Bytes/s: 41082547.07 Transfers: 45507 Bytes/s: 40413274.80
Avg. Bytes/s: 40957434.12 Transfers: 47887 Bytes/s: 38706029.71
Avg. Bytes/s: 41003081.56 Transfers: 50443 Bytes/s: 41877504.00
Avg. Bytes/s: 41035837.52 Transfers: 53028 Bytes/s: 41685669.29
Avg. Bytes/s: 40912002.88 Transfers: 55405 Bytes/s: 38331464.57
Avg. Bytes/s: 40875211.32 Transfers: 57850 Bytes/s: 40058880.00
Avg. Bytes/s: 40751840.68 Transfers: 60200 Bytes/s: 37933399.01
Avg. Bytes/s: 40682266.55 Transfers: 62620 Bytes/s: 39024881.89
Avg. Bytes/s: 40654116.18 Transfers: 65058 Bytes/s: 39944192.00
Avg. Bytes/s: 40874826.55 Transfers: 67906 Bytes/s: 46661632.00
Avg. Bytes/s: 41148405.26 Transfers: 70872 Bytes/s: 48594944.00
Avg. Bytes/s: 41063625.30 Transfers: 73310 Bytes/s: 38743154.22
Avg. Bytes/s: 41159365.83 Transfers: 75973 Bytes/s: 43985179.06
Avg. Bytes/s: 41283844.18 Transfers: 78783 Bytes/s: 44963494.35
Avg. Bytes/s: 41248561.61 Transfers: 81193 Bytes/s: 40127479.67
Avg. Bytes/s: 41176706.55 Transfers: 83605 Bytes/s: 38895874.02
Avg. Bytes/s: 41141853.27 Transfers: 86083 Bytes/s: 39999558.62
Avg. Bytes/s: 41163633.23 Transfers: 88641 Bytes/s: 41910272.00
Avg. Bytes/s: 41095641.84 Transfers: 91043 Bytes/s: 38734614.17
Avg. Bytes/s: 41004129.18 Transfers: 93383 Bytes/s: 37734803.15
Avg. Bytes/s: 41056004.18 Transfers: 96007 Bytes/s: 42991616.00
Avg. Bytes/s: 41084146.46 Transfers: 98618 Bytes/s: 42146427.59
Avg. Bytes/s: 41069936.55 Transfers: 101053 Bytes/s: 40502578.68
Avg. Bytes/s: 41013498.45 Transfers: 103495 Bytes/s: 38806719.69
Avg. Bytes/s: 41028898.88 Transfers: 105998 Bytes/s: 41675967.48
Avg. Bytes/s: 41056425.41 Transfers: 108575 Bytes/s: 42221568.00
Avg. Bytes/s: 41061975.10 Transfers: 111136 Bytes/s: 41298645.67
Avg. Bytes/s: 41079237.83 Transfers: 113690 Bytes/s: 41844736.00
Avg. Bytes/s: 41061960.44 Transfers: 116186 Bytes/s: 40290112.32
Avg. Bytes/s: 41183658.78 Transfers: 119044 Bytes/s: 46825472.00
Avg. Bytes/s: 41237215.59 Transfers: 121756 Bytes/s: 43733669.29
Avg. Bytes/s: 41210946.45 Transfers: 124234 Bytes/s: 39960188.98
waiting for Ep82h thread..
stopped Ep82h thread.   ExitCode=0
stopped Ep06h thread.   ExitCode=0
Loop Test Information
        Driver          : WinUSB
        Vid / Pid       : 04B4h / 00F1h
        DevicePath      : \\?\usb#vid_04b4&pid_00f1#5&e9f3e45&0&1#{97a0090b-0329-07f7-c2bd-7ba7a223756d}
        Device Speed    : High
        Interface #     : 00h
        Alt Interface # : 02h
        Num Endpoints   : 2
        Priority        : 0
        Read Size       : 16384
        Write Size      : 16384
        Buffer Count    : 3
        Display Refresh : 1000 (ms)
        Transfer Timeout: 5000 (ms)
        Retry Count     : 0
        Verify Data     : Off

Bulk Read (Ep82h) Maximum Packet Size: 512
        Total Bytes     : 1018314752
        Total Transfers : 62153
        Avg. Bytes/sec  : 20617415.16
        Elapsed Time    : 49.39 seconds

Bulk Write (Ep06h) Maximum Packet Size: 512
        Total Bytes     : 1017167872
        Total Transfers : 62083
        Avg. Bytes/sec  : 20594194.73
        Elapsed Time    : 49.39 seconds

Press any key to exit..

[mcuee]

Sometimes isoc transfer loop test will fail by itself.

C:\libusbK-3.1.0.0-bin\bin\exe\amd64> .\kBench.exe notestselect list intf=0 altf=6 loop buffercount=3 buffersize=16384 mode=async retry=3
device-count=2
1. SMSC-Microchip WinUSB USB5734 Device (USB\VID_0424&PID_2740\D&127B8A6A&0&5) [WinUSB]
2. CY-Stream (USB\VID_04B4&PID_00F1\5&E9F3E45&0&1) [WinUSB]
Select device (1-2) :2

opened CY-Stream (USB\VID_04B4&PID_00F1\5&E9F3E45&0&1)..
Loop Test Information
        Driver          : WinUSB
        Vid / Pid       : 04B4h / 00F1h
        DevicePath      : \\?\usb#vid_04b4&pid_00f1#5&e9f3e45&0&1#{97a0090b-0329-07f7-c2bd-7ba7a223756d}
        Device Speed    : High
        Interface #     : 00h
        Alt Interface # : 06h
        Num Endpoints   : 2
        Priority        : 0
        Read Size       : 16384
        Write Size      : 16384
        Buffer Count    : 3
        Display Refresh : 1000 (ms)
        Transfer Timeout: 5000 (ms)
        Retry Count     : 3
        Verify Data     : Off

Isochronous Read (Ep82h) Maximum Packet Size: 1024
Isochronous Write (Ep06h) Maximum Packet Size: 1024

While the test is running:
Press 'Q' to quit
Press 'T' for test details
Press 'I' for status information
Press 'R' to reset averages

Press 'Q' to exit, any other key to begin..
Avg. Bytes/s: 16533853.66 Transfers: 993 Bytes/s: 16533853.66 ISO-Packets (Total/Good/Bad):15984/15984/0
Avg. Bytes/s: 16408576.00 Transfers: 2003 Bytes/s: 16287244.09 ISO-Packets (Total/Good/Bad):32144/32144/0
Avg. Bytes/s: 16373135.28 Transfers: 3014 Bytes/s: 16303370.08 ISO-Packets (Total/Good/Bad):48320/48320/0
Avg. Bytes/s: 16416637.45 Transfers: 4024 Bytes/s: 16547840.00 ISO-Packets (Total/Good/Bad):64480/64480/0
Avg. Bytes/s: 16393769.83 Transfers: 5034 Bytes/s: 16303290.64 ISO-Packets (Total/Good/Bad):80640/80640/0
Avg. Bytes/s: 16375871.67 Transfers: 6044 Bytes/s: 16287244.09 ISO-Packets (Total/Good/Bad):96800/96800/0
Avg. Bytes/s: 16400274.73 Transfers: 7054 Bytes/s: 16547840.00 ISO-Packets (Total/Good/Bad):112960/112960/0
Avg. Bytes/s: 16377904.01 Transfers: 8060 Bytes/s: 16222740.16 ISO-Packets (Total/Good/Bad):129056/129056/0
Error:[WinError] A device attached to the system is not functioning.

Error:[TransferThreadProc] failed reading! 1 of 4 ret=-31
Error:[WinError] A device attached to the system is not functioning.

Error:[TransferThreadProc] failed reading! 2 of 4 ret=-31
Error:[WinError] A device attached to the system is not functioning.

Error:[TransferThreadProc] failed reading! 3 of 4 ret=-31
Error:[WinError] A device attached to the system is not functioning.

Error:[TransferThreadProc] failed reading! 4 of 4 ret=-31
Error:[WinError] The parameter is incorrect.

Error:[TransferThreadProc] failed writing! 1 of 4 ret=-87
Error:[WinError] The parameter is incorrect.

Error:[TransferThreadProc] failed writing! 2 of 4 ret=-87
Error:[WinError] The parameter is incorrect.

Error:[TransferThreadProc] failed writing! 3 of 4 ret=-87
Error:[WinError] The parameter is incorrect.

Error:[TransferThreadProc] failed writing! 4 of 4 ret=-87
stopped Ep82h thread.   ExitCode=0
stopped Ep06h thread.   ExitCode=0
Loop Test Information
        Driver          : WinUSB
        Vid / Pid       : 04B4h / 00F1h
        DevicePath      : \\?\usb#vid_04b4&pid_00f1#5&e9f3e45&0&1#{97a0090b-0329-07f7-c2bd-7ba7a223756d}
        Device Speed    : High
        Interface #     : 00h
        Alt Interface # : 06h
        Num Endpoints   : 2
        Priority        : 0
        Read Size       : 16384
        Write Size      : 16384
        Buffer Count    : 3
        Display Refresh : 1000 (ms)
        Transfer Timeout: 5000 (ms)
        Retry Count     : 3
        Verify Data     : Off

Isochronous Read (Ep82h) Maximum Packet Size: 1024
        Total Bytes     : 68141056
        Total Transfers : 4162
        Other Errors    : 4
        Avg. Bytes/sec  : 8182163.30
        Elapsed Time    : 8.33 seconds

Isochronous Write (Ep06h) Maximum Packet Size: 1024
        Total Bytes     : 68157440
        Total Transfers : 4163
        Other Errors    : 4
        Avg. Bytes/sec  : 8168437.20
        Elapsed Time    : 8.34 seconds

Press any key to exit..

[mcuee]

No issues with libusbK driver and isoc loop test.

C:\libusbK-3.1.0.0-bin\bin\exe\amd64> .\kBench.exe notestselect list intf=0 altf=6 loop buffercount=3 buffersize=16384 mode=async retry=3
device-count=2
1. SMSC-Microchip WinUSB USB5734 Device (USB\VID_0424&PID_2740\D&127B8A6A&0&5) [WinUSB]
2. CY-Stream (USB\VID_04B4&PID_00F1\5&E9F3E45&0&1) [libusbK]
Select device (1-2) :2

opened CY-Stream (USB\VID_04B4&PID_00F1\5&E9F3E45&0&1)..
Loop Test Information
        Driver          : libusbK
        Vid / Pid       : 04B4h / 00F1h
        DevicePath      : \\?\usb#vid_04b4&pid_00f1#5&e9f3e45&0&1#{a2c85411-51a6-a9d6-3dc5-145f07e6714b}
        Device Speed    : High
        Interface #     : 00h
        Alt Interface # : 06h
        Num Endpoints   : 2
        Priority        : 0
        Read Size       : 16384
        Write Size      : 16384
        Buffer Count    : 3
        Display Refresh : 1000 (ms)
        Transfer Timeout: 5000 (ms)
        Retry Count     : 3
        Verify Data     : Off

Isochronous Read (Ep82h) Maximum Packet Size: 1024
Isochronous Write (Ep06h) Maximum Packet Size: 1024

While the test is running:
Press 'Q' to quit
Press 'T' for test details
Press 'I' for status information
Press 'R' to reset averages

Press 'Q' to exit, any other key to begin..
Avg. Bytes/s: 16417267.01 Transfers: 987 Bytes/s: 16417267.01 ISO-Packets (Total/Good/Bad):15888/15888/0
Avg. Bytes/s: 16450031.23 Transfers: 1993 Bytes/s: 16482304.00 ISO-Packets (Total/Good/Bad):31984/31984/0
Avg. Bytes/s: 16455354.10 Transfers: 2998 Bytes/s: 16465920.00 ISO-Packets (Total/Good/Bad):48064/48064/0
Avg. Bytes/s: 16414835.63 Transfers: 4000 Bytes/s: 16295461.83 ISO-Packets (Total/Good/Bad):64096/64096/0
Avg. Bytes/s: 16390584.96 Transfers: 5010 Bytes/s: 16295267.37 ISO-Packets (Total/Good/Bad):80256/80256/0
Avg. Bytes/s: 16424960.00 Transfers: 6015 Bytes/s: 16599656.07 ISO-Packets (Total/Good/Bad):96336/96336/0
Avg. Bytes/s: 16402724.57 Transfers: 7016 Bytes/s: 16271118.11 ISO-Packets (Total/Good/Bad):112352/112352/0
Avg. Bytes/s: 16395113.77 Transfers: 8022 Bytes/s: 16343306.08 ISO-Packets (Total/Good/Bad):128448/128439/9
Avg. Bytes/s: 16384804.69 Transfers: 9025 Bytes/s: 16303628.09 ISO-Packets (Total/Good/Bad):144496/144487/9
Avg. Bytes/s: 16402709.27 Transfers: 10028 Bytes/s: 16566621.66 ISO-Packets (Total/Good/Bad):160544/160535/9
Avg. Bytes/s: 16392075.42 Transfers: 11038 Bytes/s: 16287244.09 ISO-Packets (Total/Good/Bad):176704/176695/9
Avg. Bytes/s: 16392765.96 Transfers: 12039 Bytes/s: 16400384.00 ISO-Packets (Total/Good/Bad):192720/192711/9
Avg. Bytes/s: 16383927.30 Transfers: 13040 Bytes/s: 16279077.83 ISO-Packets (Total/Good/Bad):208736/208727/9
Avg. Bytes/s: 16386843.03 Transfers: 14050 Bytes/s: 16425565.32 ISO-Packets (Total/Good/Bad):224896/224887/9
Avg. Bytes/s: 16394276.07 Transfers: 15057 Bytes/s: 16498688.00 ISO-Packets (Total/Good/Bad):241008/240999/9
Avg. Bytes/s: 16388526.18 Transfers: 16068 Bytes/s: 16303370.08 ISO-Packets (Total/Good/Bad):257184/257175/9
Avg. Bytes/s: 16389221.57 Transfers: 17077 Bytes/s: 16401158.05 ISO-Packets (Total/Good/Bad):273328/273319/9
Avg. Bytes/s: 16388021.46 Transfers: 18084 Bytes/s: 16368648.06 ISO-Packets (Total/Good/Bad):289440/289431/9
Avg. Bytes/s: 16388669.43 Transfers: 19085 Bytes/s: 16400384.00 ISO-Packets (Total/Good/Bad):305456/305447/9
Avg. Bytes/s: 16390068.83 Transfers: 20087 Bytes/s: 16416768.00 ISO-Packets (Total/Good/Bad):321488/321479/9
Avg. Bytes/s: 16382786.38 Transfers: 21093 Bytes/s: 16238723.15 ISO-Packets (Total/Good/Bad):337584/337575/9
Avg. Bytes/s: 16380619.09 Transfers: 22106 Bytes/s: 16335622.05 ISO-Packets (Total/Good/Bad):353792/353783/9
Avg. Bytes/s: 16387854.95 Transfers: 23116 Bytes/s: 16547840.00 ISO-Packets (Total/Good/Bad):369952/369943/9
Avg. Bytes/s: 16387692.77 Transfers: 24131 Bytes/s: 16384000.00 ISO-Packets (Total/Good/Bad):386192/386183/9
Avg. Bytes/s: 16385468.57 Transfers: 25136 Bytes/s: 16333114.46 ISO-Packets (Total/Good/Bad):402272/402260/12
Avg. Bytes/s: 16380905.40 Transfers: 26137 Bytes/s: 16268046.11 ISO-Packets (Total/Good/Bad):418288/418273/15
Avg. Bytes/s: 16388870.05 Transfers: 27142 Bytes/s: 16599656.07 ISO-Packets (Total/Good/Bad):434368/434353/15
Avg. Bytes/s: 16389858.50 Transfers: 28152 Bytes/s: 16417542.05 ISO-Packets (Total/Good/Bad):450528/450513/15
Avg. Bytes/s: 16380103.66 Transfers: 29166 Bytes/s: 16113846.75 ISO-Packets (Total/Good/Bad):466752/466737/15
Avg. Bytes/s: 16382404.88 Transfers: 30170 Bytes/s: 16449536.00 ISO-Packets (Total/Good/Bad):482816/482801/15
Avg. Bytes/s: 16386135.25 Transfers: 31177 Bytes/s: 16498688.00 ISO-Packets (Total/Good/Bad):498928/498913/15
Avg. Bytes/s: 16390652.24 Transfers: 32186 Bytes/s: 16531456.00 ISO-Packets (Total/Good/Bad):515072/515057/15
Avg. Bytes/s: 16383538.36 Transfers: 33196 Bytes/s: 16160986.39 ISO-Packets (Total/Good/Bad):531232/531217/15
Avg. Bytes/s: 16384987.95 Transfers: 34207 Bytes/s: 16433668.03 ISO-Packets (Total/Good/Bad):547408/547393/15
Avg. Bytes/s: 16389148.51 Transfers: 35216 Bytes/s: 16531456.00 ISO-Packets (Total/Good/Bad):563552/563537/15
Avg. Bytes/s: 16386290.07 Transfers: 36225 Bytes/s: 16287148.77 ISO-Packets (Total/Good/Bad):579696/579681/15
Avg. Bytes/s: 16386668.74 Transfers: 37226 Bytes/s: 16400384.00 ISO-Packets (Total/Good/Bad):595712/595697/15
Avg. Bytes/s: 16387456.37 Transfers: 38236 Bytes/s: 16417542.05 ISO-Packets (Total/Good/Bad):611872/611857/15
Avg. Bytes/s: 16386114.03 Transfers: 39241 Bytes/s: 16336138.08 ISO-Packets (Total/Good/Bad):627952/627937/15
Avg. Bytes/s: 16385450.83 Transfers: 40247 Bytes/s: 16360513.58 ISO-Packets (Total/Good/Bad):644048/644033/15
waiting for Ep82h thread..
stopped Ep82h thread.   ExitCode=0
stopped Ep06h thread.   ExitCode=0
Loop Test Information
        Driver          : libusbK
        Vid / Pid       : 04B4h / 00F1h
        DevicePath      : \\?\usb#vid_04b4&pid_00f1#5&e9f3e45&0&1#{a2c85411-51a6-a9d6-3dc5-145f07e6714b}
        Device Speed    : High
        Interface #     : 00h
        Alt Interface # : 06h
        Num Endpoints   : 2
        Priority        : 0
        Read Size       : 16384
        Write Size      : 16384
        Buffer Count    : 3
        Display Refresh : 1000 (ms)
        Transfer Timeout: 5000 (ms)
        Retry Count     : 3
        Verify Data     : Off

Isochronous Read (Ep82h) Maximum Packet Size: 1024
        Total Bytes     : 329696256
        Total Transfers : 20124
        Avg. Bytes/sec  : 8191211.33
        Elapsed Time    : 40.25 seconds

Isochronous Write (Ep06h) Maximum Packet Size: 1024
        Total Bytes     : 329728000
        Total Transfers : 20125
        Avg. Bytes/sec  : 8192000.00
        Elapsed Time    : 40.25 seconds

Press any key to exit..

[mcuee]

BTW, libusb0.sys does not seem to work with High speed and SuperSpeed ISOC endpoints.

C:\libusbK-3.1.0.0-bin\bin\exe\amd64> .\kBench.exe notestselect list intf=0 altf=6 loop buffercount=3 buffersize=16384 mode=async retry=3
device-count=2
1. SMSC-Microchip WinUSB USB5734 Device (USB\VID_0424&PID_2740\D&127B8A6A&0&5) [WinUSB]
2. CY-Stream (USB\VID_04B4&PID_00F1\5&E9F3E45&0&1) [libusb0]
Select device (1-2) :2

opened CY-Stream (USB\VID_04B4&PID_00F1\5&E9F3E45&0&1)..
Error:[CreateTransferParam] IsochK_Init failed for isochornous pipe 82
Error:[CreateTransferParam] - ErrorCode = 1
Error:[CreateTransferParam] failed creating transfer param!
Press any key to exit..