[CRIU] Difference between two snapshots generated by CRIU

[Thouraya TH]

Hello all,  i have done two times the dumping process of this process
http://criu.org/Simple_loop

root at g-52:/home# *cd LoopProcess*
root at g-52:/home/LoopProcess# ls
cgroup.img      dump.log       fdinfo-2.img   fs-9162.img   inotify.img
ns-files.img      pages-2.img     remap-fpath.img   stats-dump    unixsk.img
core-9162.img   eventfd.img    fdinfo-3.img   fs-9773.img   inventory.img
packetsk.img      pipes-data.img  sigacts-9162.img  timerfd.img
core-9773.img   eventpoll.img  fifo-data.img  ids-9162.img  mm-9162.img
pagemap-9162.img  pipes.img       sigacts-9773.img  tty.img
creds-9162.img  ext-files.img  fifo.img       ids-9773.img  mm-9773.img
pagemap-9773.img  pstree.img      signalfd.img      tty-info.img
creds-9773.img  fanotify.img   filelocks.img  inetsk.img    netlinksk.img
pages-1.img       reg-files.img   sk-queues.img     tunfile.img

root at g-52:/home/LoopProcess# cd ..
root at g-52:/home# *cd LoopProcess1/*
root at g-52:/home/LoopProcess1# ls
cgroup.img       dump.log       fdinfo-2.img   fs-10821.img
inotify.img    ns-files.img       pages-2.img     remap-fpath.img
stats-dump    unixsk.img
core-10821.img   eventfd.img    fdinfo-3.img   fs-9162.img
inventory.img  packetsk.img       pipes-data.img  sigacts-10821.img
timerfd.img
core-9162.img    eventpoll.img  fifo-data.img  ids-10821.img
mm-10821.img   pagemap-10821.img  pipes.img       sigacts-9162.img   tty.img
creds-10821.img  ext-files.img  fifo.img       ids-9162.img
mm-9162.img    pagemap-9162.img   pstree.img      signalfd.img
tty-info.img
creds-9162.img   fanotify.img   filelocks.img  inetsk.img
netlinksk.img  pages-1.img        reg-files.img   sk-queues.img
tunfile.img

Then:

criu show -D LoopProcess
i see many lines.. i'd like to redirect the result of this command to a
file like that:

criu show -D LoopProcess > first.txt

but i have these error :
Error (image.c:231): Unable to open netdev-2.img: No such file or directory
Error (image.c:231): Unable to open ifaddr-2.img: No such file or directory
Error (image.c:231): Unable to open route-2.img: No such file or directory
Error (image.c:231): Unable to open iptables-2.img: No such file or
directory
Error (image.c:231): Unable to open ipcns-var-3.img: No such file or
directory
Error (image.c:231): Unable to open ipcns-shm-3.img: No such file or
directory
Error (image.c:231): Unable to open ipcns-msg-3.img: No such file or
directory
Error (image.c:231): Unable to open ipcns-sem-3.img: No such file or
directory
Error (image.c:231): Unable to open utsns-4.img: No such file or directory
Error (image.c:231): Unable to open mountpoints-5.img: No such file or
directory


?

Thanks a lot.
Best Regards.
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