As per the 'virsh memtune' how are the items :hard_limit, soft_limit, min_guarantee mapped to the items mentioned in RedHat 'Resource Manangement Guide' , such as : memory.limit_in_bytes etc. thanks Zvi Dubitzky Email:dubi@xxxxxxxxxx Eric Blake <eblake@xxxxxxxxxx> wrote on 24/03/2011 20:21:40: > From: Eric Blake <eblake@xxxxxxxxxx> > To: Zvi Dubitzky/Haifa/IBM@IBMIL > Cc: libvir-list@xxxxxxxxxx > Date: 24/03/2011 20:22 > Subject: Re: cgroup memoryinfo handling > > On 03/24/2011 12:04 PM, Zvi Dubitzky wrote: > > Hi > > > > 1) Daniel Smith of IBM wrote (2008) code for implementing 'virsh > > schedinfo' in src/util/cgroup.c > > He also added some code for cgroup memory subsystem (util/cgroup.c/ > > virCgroupSetMemoryHardLimit () etc.), > > I see also src/qemu_driver.c/qemuDomainSetMemoryParameters() > > But that seems not being invoked . I am looking at libvirt-0.8.8 > > > > 2) Is anybody handling/completing this piece of code and are you libvirt > > guys interested in us completing it > > because we might find usage for that kind of 'virsh meminfo' command > > using cgroups . > > Your wish has already been mostly granted. 0.8.5 introduced the 'virsh > memtune' command to both query and set memory parameters (so it wraps > both qemuDomainGetMemoryParameters and qemuDomainSetMemoryParameters), > and the upcoming 0.9.0 offers a few improvements to that interface as > well as a counterpart 'virsh blkiotune' for the blkio cgroup. > > The 'virsh meminfo' command cannot easily change its output for > backwards compatibility reasons, which is why we added the new > functionality in 'virsh memtune' instead. > > You are also welcome to submit more patches or ideas for patches. > > -- > Eric Blake eblake@xxxxxxxxxx +1-801-349-2682 > Libvirt virtualization library http://libvirt.org > > [attachment "signature.asc" deleted by Zvi Dubitzky/Haifa/IBM] -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list