Eric Blake <[email protected]> writes: > On 04/20/2018 11:14 AM, Junpeng.Li wrote: >> >> Hi, everyone. I found a question or maybe a bug during use qemu-io to read >> a range file and take the params -vq to dump buffer and do not show >> I/O statistics. I use the params -vq what i want is just dump buffer >> but do not show I/O statistics, but as the result show it is not. >> >> Like below command, it do not dump buffer to standard output. >> >> qemu-io -r -c "read -vq 0 1024" /tmp/test.qcow2 >> >> I saw the source code, when has qflag value it just goto out and do >> not dump buffer when qflag and vflag has value at the same time. >> >> if (qflag) { >> goto out; >> } >> >> if (vflag) { >> dump_buffer(buf, offset, qiov.size); >> } >> >> quiet mode here, it mean do not show I/O statistics or mean complete quiet? > > You're welcome to provide a patch to make it have saner behavior. As > long as running qemu-iotests doesn't break, we are pretty much free to > refactor qemu-io as it is more a tool for internal testing than for > external use. Sorry for my question description and thanks your explanation.
-- BestRegard, JPL
