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https://github.com/checkpoint-restore/criu
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586eb55f35
After the commit that walks /proc/self/fd/N path instead of the temporary one, the add_cgroup() started trimming first several bytes from the cgroup path. Test passed, since all cgroups were left as is after dump, so criu restore didn't recreate them but got EEXIST on all mkdir-s. Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Acked-by: Tycho Andersen <tycho.andersen@canonical.com>
criu ==== An utility to checkpoint/restore tasks. Using this tool, you can freeze a running application (or part of it) and checkpoint it to a hard drive as a collection of files. You can then use the files to restore and run the application from the point it was frozen at. The distinctive feature of the CRIU project is that it is mainly implemented in user space. The project home is at http://criu.org Pages worth starting with are * Kernel configuration, compilation, etc: http://criu.org/Installation * A simple example of usage: http://criu.org/Simple_loop * More sophisticated example with graphical app: http://criu.org/VNC