Am 25.07.2014 13:07, schrieb Zhang Haoyu: >>> Hi, all >>> >>> If I use qemu command directly to run vm, bypass libvirt, how to configure >>> qemu to assure that each vm has its own log file, like vmname.log? >>> For example, VM: rhel7-net has its own log file, rhel7-net.log, >>> VM:rhel7-stor has its own log file, rhel7-stor.log. >> >> -D /path/to/unique/file/name.log >> > -D option is to configure qemu_logfile for the output logs which are > controlled by qmp command "logfile", which can be enabled/disabled on run > time. > > I want to configure the log file for the output of fprintf(stderr, fmt, ...), > .etc, > i.e., how to redirect the output of fprintf(stderr, fmt, ...), or some other > log-interface to a specified file?
In a shell you would write something like: 2> stderr.log You may also want to toggle QEMU's -msg timestamp=on option. Cheers, Andreas -- SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg
