[CRIU] understanding criu logs

beproject criu beprojectcriu at gmail.com
Wed Mar 18 06:30:48 PDT 2015


(00.214782)      1: [./](35->25)
(00.214890)      1:  [.criu.mntns.60Rz6G](0->0)
(00.214998)      1:   [.criu.mntns.60Rz6G/12/](46->45)
(00.215107)      1:    [.criu.mntns.60Rz6G/12/proc](47->46)
(00.215215)      1:    <--
(00.215316)      1:    [.criu.mntns.60Rz6G/12/cache](56->46)
(00.215426)      1:    <--
(00.215527)      1:    [.criu.mntns.60Rz6G/12/data](55->46)
(00.215635)      1:    <--
(00.215748)      1:    [.criu.mntns.60Rz6G/12/system](54->46)
(00.215873)      1:    <--
(00.215975)      1:    [.criu.mntns.60Rz6G/12/mnt/obb](53->46)
(00.216083)      1:    <--
(00.216184)      1:    [.criu.mntns.60Rz6G/12/mnt/asec](52->46)
(00.216292)      1:    <--
(00.216393)      1:    [.criu.mntns.60Rz6G/12/dev](51->46)
(00.216500)      1:    <--
(00.216601)      1:    [.criu.mntns.60Rz6G/12/sys](48->46)
(00.216722)      1:     [.criu.mntns.60Rz6G/12/sys/kernel/debug](49->48)
(00.216831)      1:     <--
(00.216931)      1:     [.criu.mntns.60Rz6G/12/sys/fs/cgroup](50->48)
(00.217040)      1:     <--
(00.217140)      1:    <--
(00.217240)      1:   <--
(00.217340)      1:  <--
(00.217440)      1:  [./proc](36->35)
(00.217547)      1:  <--
(00.217647)      1:  [./cache](32->35)
(00.217765)      1:  <--
(00.217865)      1:  [./data](31->35)
(00.217971)      1:  <--
(00.218071)      1:  [./system](30->35)
(00.218177)      1:  <--
(00.218276)      1:  [./mnt/obb](29->35)
(00.218382)      1:  <--
(00.218482)      1:  [./mnt/asec](28->35)
(00.218588)      1:  <--
(00.218700)      1:  [./dev](38->35)
(00.218807)      1:  <--
(00.218907)      1:  [./sys](37->35)
(00.219013)      1:   [./sys/kernel/debug](26->37)
(00.219119)      1:   <--
(00.219219)      1:   [./sys/fs/cgroup](27->37)
(00.219326)      1:   <--
(00.219426)      1:  <--
(00.219525)      1: <--
(00.219846)      1: The mount 46 is slave for 35
(00.219968)      1: The mount 47 is slave for 36
(00.220073)      1: The mount 48 is slave for 37
(00.220176)      1: The mount 49 is slave for 26
(00.220279)      1: The mount 50 is slave for 27
(00.220381)      1: The mount 51 is slave for 38
(00.220484)      1: The mount 52 is slave for 28
(00.220587)      1: The mount 53 is slave for 29
(00.221130)      1: The mount 54 is slave for 30
(00.221235)      1: The mount 55 is slave for 31
(00.221339)      1: The mount 56 is slave for 32
(00.221802)      1: Start with 35:./
(00.221970)      1:     Mounting ext2 @./ (0)
(00.222119)      1: 35:./ private 0 shared 1 slave 0
(00.222867)      1:         Bind .criu.mntns.60Rz6G/12/
(00.223137)      1:     Mounting ext2 @.criu.mntns.60Rz6G/12/ (0)
(00.223601)      1:     Bind .// to .criu.mntns.60Rz6G/12/
(00.223986)      1: 46:.criu.mntns.60Rz6G/12/ private 0 shared 0 slave 1
(00.224441)      1: Postpone slave .criu.mntns.60Rz6G/12/proc
(00.224585)      1: Postpone slave .criu.mntns.60Rz6G/12/cache
(00.224709)      1: Postpone slave .criu.mntns.60Rz6G/12/data
(00.224815)      1: Postpone slave .criu.mntns.60Rz6G/12/system
(00.224919)      1: Postpone slave .criu.mntns.60Rz6G/12/mnt/obb
(00.225023)      1: Postpone slave .criu.mntns.60Rz6G/12/mnt/asec
(00.225128)      1: Postpone slave .criu.mntns.60Rz6G/12/dev
(00.225232)      1: Postpone slave .criu.mntns.60Rz6G/12/sys
(00.225398)      1:     Mounting proc @./proc (0)
(00.225760)      1: 36:./proc private 0 shared 1 slave 0
(00.226113)      1:         Bind .criu.mntns.60Rz6G/12/proc
(00.226363)      1:         Umount .criu.mntns.60Rz6G/12//proc
(00.227374)      1: Error (mount.c:1435): Can't umount
.criu.mntns.60Rz6G/12//proc: Invalid argument
(00.227520)      1:     Mounting ext4 @./cache (0)
(00.258168)      1: 32:./cache private 0 shared 1 slave 0
(00.259141)      1:         Bind .criu.mntns.60Rz6G/12/cache
(00.259286)      1:         Umount .criu.mntns.60Rz6G/12//cache
(00.284002)      1:     Mounting ext4 @./data (0)
(00.296908)      1: 31:./data private 0 shared 1 slave 0
(00.297420)      1:         Bind .criu.mntns.60Rz6G/12/data
(00.297565)      1:         Umount .criu.mntns.60Rz6G/12//data
(00.322857)      1:     Mounting ext4 @./system (0)
(00.323579)      1: 30:./system private 0 shared 1 slave 0
(00.324842)      1:         Bind .criu.mntns.60Rz6G/12/system
(00.325297)      1:         Umount .criu.mntns.60Rz6G/12//system
(00.362856)      1:     Mounting tmpfs @./mnt/obb (0)
(00.363707)      1: 29:./mnt/obb private 0 shared 1 slave 0
(00.448939)      1:         Bind .criu.mntns.60Rz6G/12/mnt/obb
(00.449339)      1:         Umount .criu.mntns.60Rz6G/12//obb
(00.449572)      1: Error (mount.c:1435): Can't umount
.criu.mntns.60Rz6G/12//obb: No such file or directory
(00.449750)      1:     Mounting tmpfs @./mnt/asec (0)
(00.450189)      1: 28:./mnt/asec private 0 shared 1 slave 0
(00.526728)      1:         Bind .criu.mntns.60Rz6G/12/mnt/asec
(00.527153)      1:         Umount .criu.mntns.60Rz6G/12//asec
(00.527415)      1: Error (mount.c:1435): Can't umount
.criu.mntns.60Rz6G/12//asec: No such file or directory
(00.527611)      1:     Mounting rootfs @./dev (0)
(00.527737)      1:     Bind /dev to ./dev

On Wed, Mar 18, 2015 at 2:22 AM, Pavel Emelyanov <xemul at parallels.com>
wrote:

> On 03/17/2015 11:03 PM, beproject criu wrote:
> > Hi,
> >
> > .criu.mntns.60Rz6G/12//proc
> >
> > How do i break down these kind of line?
> > I mean what does these signify(numbers  and alphabets,etc)?
>
> Is that the whole line? Or a part of it? If the whole line,
> could you show the closest neighbors of it (~30 lines in both
> directions) ? :)
>
> Thanks,
> Pavel
>
>
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