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Diffstat (limited to 'results/classifier/deepseek-2-tmp/output/device/1811653')
| -rw-r--r-- | results/classifier/deepseek-2-tmp/output/device/1811653 | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/results/classifier/deepseek-2-tmp/output/device/1811653 b/results/classifier/deepseek-2-tmp/output/device/1811653 deleted file mode 100644 index 5f93fbc9..00000000 --- a/results/classifier/deepseek-2-tmp/output/device/1811653 +++ /dev/null @@ -1,42 +0,0 @@ - -usbredir slow when multi bulk packet per second - -QEMU Ver: all version -Client: virt-viewer by spice -Guest VM: win7 -Bug description: - Use Qemu 2.1 or later with usbredir, When I redirect a bulk usb-device from virt-viewer client, -the bulk-usb-device driver or app in GuestVM will send 50 bulk-urb per times. - In VM, using the usblyzer to monitor the usb packet, it show these 50 bulk-urb packet send in 1ms, -But in the QEMU VM log, It shows as below -========================= -2019-01-14T08:27:26.096809Z qemu-kvm: usb-redir: bulk-out ep 86 stream 0 len 49152 id 2114122112 0x7f0ffa300b40 -2019-01-14T08:27:26.105680Z qemu-kvm: usb-redir: bulk-in status 0 ep 86 stream 0 len 49152 id 2114122112 0x7f0ffa300b40 -2019-01-14T08:27:26.108219Z qemu-kvm: usb-redir: bulk-out ep 86 stream 0 len 49152 id 2114122112 0x7f0ffa300b40 -2019-01-14T08:27:26.116742Z qemu-kvm: usb-redir: bulk-in status 0 ep 86 stream 0 len 49152 id 2114122112 0x7f0ffa300b40 -2019-01-14T08:27:26.119242Z qemu-kvm: usb-redir: bulk-out ep 86 stream 0 len 49152 id 2114122112 0x7f0ffa300b40 -2019-01-14T08:27:26.129851Z qemu-kvm: usb-redir: bulk-in status 0 ep 86 stream 0 len 49152 id 2114122112 0x7f0ffa300b40 -2019-01-14T08:27:26.132349Z qemu-kvm: usb-redir: bulk-out ep 86 stream 0 len 49152 id 2114122112 0x7f0ffa300b40 -2019-01-14T08:27:26.141248Z qemu-kvm: usb-redir: bulk-in status 0 ep 86 stream 0 len 49152 id 2114122112 0x7f0ffa300b40 -2019-01-14T08:27:26.144932Z qemu-kvm: usb-redir: bulk-out ep 86 stream 0 len 49152 id 2114122112 0x7f0ffa300b40 -2019-01-14T08:27:26.154035Z qemu-kvm: usb-redir: bulk-in status 0 ep 86 stream 0 len 49152 id 2114122112 0x7f0ffa300b40 -========================= - - It shows that the bulk packet is single thread send and recv, per bulk packet will use 10-20ms, all 50 bulk-packets will use 500~1000ms, so the in the VM, bulk-urb will timeout always! - - How to send the bulk packet by multithread to speedup the bulk-urb send and recv, for example: ------------- - bulk-out ep 86 stream 0 len 49152 id xxxx1 - bulk-out ep 86 stream 0 len 49152 id xxxx2 - bulk-out ep 86 stream 0 len 49152 id xxxx3 - bulk-out ep 86 stream 0 len 49152 id xxxx4 - bulk-out ... - bulk-out ep 86 stream 0 len 49152 id xxxx50 -... - bulk-in status 0 ep 86 stream 0 len 49152 id xxxx1 - bulk-in status 0 ep 86 stream 0 len 49152 id xxxx2 - bulk-in status 0 ep 86 stream 0 len 49152 id xxxx3 - bulk-in status 0 ep 86 stream 0 len 49152 id xxxx4 - bulk-out ... - bulk-in status 0 ep 86 stream 0 len 49152 id xxxx50 ------------- \ No newline at end of file |