On 07/03/2018 05:10 PM, Wael Ali via USRP-users wrote:
Dear all,
please help me with this issue,
while I'm testing latency between uhd and b205mini with latency_test
file provided with uhd examples gives me the following
Summary (test1)
================
Number of runs: 1000
RTT value tested: 1 ms
ACKs received: 302/1000
Underruns: 0
Late packets: 698
Other errors: 0
Summary (test2)
================
Number of runs: 1000
RTT value tested: 2 ms
ACKs received: 784/1000
Underruns: 0
Late packets: 216
Other errors: 0
*I need rrt<= 1ms, and I need to know,
how to reduce the latency between uhd and the device?
Is this a hardware issue (related to usb port)?
*
I've already tried to use low latency linux kernel, but the results
were almost the same.
OS: Ubuntu 16.04
Kernel: 4.13.0-36-generic
UHD: 3.12.0.HEAD-0-gec786351
libusb: 0.1.12
Thanks is advance
Wael Ali
What type of computer? Are you using USB3.0, or USB2.0?
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