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---Problem Description---
virsh dommemstat does not give the memory statitics of a running domain.
---uname output---
Linux mx3650a.in.ibm.com 2.6.32-128.el6.x86_64 #1 SMP Mon Mar 28 21:55:33 EDT 2011 x86_64 x86_64
x86_64 GNU/Linux
Machine Type = x3650
---Steps to Reproduce---
[root@mx3650a onnm]# virsh --help | grep memory
memtune Get or set memory parameters
setmaxmem change maximum memory limit
setmem change memory allocation
dommemstat get memory statistics for a domain
freecell NUMA free memory
[root@mx3650a onnm]# virsh list
Id Name State
----------------------------------
14 vm00-RHEL48 running
16 vm00-RHEL48-SMP running
[root@mx3650a onnm]# virsh dommemstat 16
[root@mx3650a onnm]# virsh dommemstat vm00-RHEL48-SMP
[root@mx3650a onnm]# virsh dommemstat 14
[root@mx3650a onnm]# virsh dommemstat vm00-RHEL48
[root@mx3650a onnm]#
---KVM Component Data---
Userspace tool common name: libvirt
The userspace tool has the following bit modes: 32
Userspace rpm: libvirt-0.8.7-15.el6.x86_64
Userspace tool obtained from project website: na
=Comment: #2=================================================
1.Server architecture(s) (please list all effected) (x86/POWER6/Z/etc.): x86
2.Server type (9117-MMA/HS20/s390/etc.): x3650
3.General component (desktop/kernel/base OS/dev tools/etc.): libvirt
4.Other components involved (ixgbe/java/emulex/etc.): NA
5.Does the server have the latest GA firmware? yes
6.Has the problem been shown to occur on more than one system? Yes
7.Is a tested patch available? no
If yes to the above, has it been approved upstream?
8.What is the latest official Red Hat build on which this bug has been
seen? RHEL6.1 snap2
Note : This bug looks similar to https://bugzilla.redhat.com/show_bug.cgi?id=679668. But it does not
say when it will get fixed. We want to understand when it will get fixed.
------- Comment From pradeepkumars.com 2011-04-13 05:09 EDT-------
systemtap logs are attached to ftp://testcase.software.ibm.com/
One can access via Anonymous
Dir: /toibm/linux/
File name: systemtap.log-IBM71496
--Pradeep
Memory statistics are currently disabled in qemu-kvm; hw/virtio-balloon.c contains the following two lines:
/* Disable guest-provided stats by now (bz#623903, bz#626544) */
#define ENABLE_GUEST_STATS 0
I'm not sure what the complete story behind this is since both BZs are currently marked as closed.
------- Comment From vahegde1.ibm.com 2011-04-27 10:27 EDT-------
Hi Jiri / Red Hat ,
(In reply to comment #7)
> Memory statistics are currently disabled in qemu-kvm; hw/virtio-balloon.c
> contains the following two lines:
>
> /* Disable guest-provided stats by now (bz#623903, bz#626544) */
> #define ENABLE_GUEST_STATS 0
>
> I'm not sure what the complete story behind this is since both BZs are
> currently marked as closed.
From qemu-kvm mainstream discussion I understand that because of regression issue they have disabled this feature. Any idea when it will be implemented ?
And can we have some meaning full information displayed till this comment implemented ?
something like below :
--> "Currently this feature is not supported."
Thanks
Vasant
Bug 626958 tracks re-adding virtio balloon stats. Adam Litke from IBM was pursuing the fixes upstream. It looks like this won't be ready before the new QAPI is merged upstream. Marking as duplicate of the other bug.
*** This bug has been marked as a duplicate of bug 626958 ***
---Problem Description--- virsh dommemstat does not give the memory statitics of a running domain. ---uname output--- Linux mx3650a.in.ibm.com 2.6.32-128.el6.x86_64 #1 SMP Mon Mar 28 21:55:33 EDT 2011 x86_64 x86_64 x86_64 GNU/Linux Machine Type = x3650 ---Steps to Reproduce--- [root@mx3650a onnm]# virsh --help | grep memory memtune Get or set memory parameters setmaxmem change maximum memory limit setmem change memory allocation dommemstat get memory statistics for a domain freecell NUMA free memory [root@mx3650a onnm]# virsh list Id Name State ---------------------------------- 14 vm00-RHEL48 running 16 vm00-RHEL48-SMP running [root@mx3650a onnm]# virsh dommemstat 16 [root@mx3650a onnm]# virsh dommemstat vm00-RHEL48-SMP [root@mx3650a onnm]# virsh dommemstat 14 [root@mx3650a onnm]# virsh dommemstat vm00-RHEL48 [root@mx3650a onnm]# ---KVM Component Data--- Userspace tool common name: libvirt The userspace tool has the following bit modes: 32 Userspace rpm: libvirt-0.8.7-15.el6.x86_64 Userspace tool obtained from project website: na =Comment: #2================================================= 1.Server architecture(s) (please list all effected) (x86/POWER6/Z/etc.): x86 2.Server type (9117-MMA/HS20/s390/etc.): x3650 3.General component (desktop/kernel/base OS/dev tools/etc.): libvirt 4.Other components involved (ixgbe/java/emulex/etc.): NA 5.Does the server have the latest GA firmware? yes 6.Has the problem been shown to occur on more than one system? Yes 7.Is a tested patch available? no If yes to the above, has it been approved upstream? 8.What is the latest official Red Hat build on which this bug has been seen? RHEL6.1 snap2 Note : This bug looks similar to https://bugzilla.redhat.com/show_bug.cgi?id=679668. But it does not say when it will get fixed. We want to understand when it will get fixed.