Messages in this thread | | | From | Logan Gunthorpe <> | Date | Tue, 17 Dec 2019 09:42:48 -0700 | Subject | Re: [PATCH] NTB: ntb_perf: Add more debugfs entries for ntb_perf |
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On 2019-12-16 7:42 p.m., Jiasen Lin wrote: > Currently, read input and output buffer is not supported yet in > debugfs of ntb_perf. We can not confirm whether the output data is > transmitted to the input buffer at peer memory through NTB. > > This patch add new entries in debugfs which implement interface to read > a part of input and out buffer. User can dump output and input data at > local and peer system by hexdump command, and then compare them manually.
Do we even initialize inbuf and outbuf? Probably not a good idea to expose them to userspace if it's not initialized.
Really, ntb_tool should be used to check if memory windows work, ntb_perf is just to see the maximum transfer rate.
Logan
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