Displaying 5 results from an estimated 5 matches for "balloon1".
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2020 Jul 16
0
[RFC for Linux v4 0/2] virtio_balloon: Add VIRTIO_BALLOON_F_CONT_PAGES to report continuous pages
...e host.
> // Some THP is used by VM because usemem will access 800M memory
> // in the guest.
> cat /proc/meminfo | grep AnonHugePages:
> AnonHugePages: 911360 kB
> // Connect to the QEMU monitor, setup balloon, and set it size to 600M.
> (qemu) device_add virtio-balloon-pci,id=balloon1
> (qemu) info balloon
> balloon: actual=1024
> (qemu) balloon 600
> (qemu) info balloon
> balloon: actual=600
> // This is the THP number after inflate the balloon in the host.
> cat /proc/meminfo | grep AnonHugePages:
> AnonHugePages: 88064 kB
> // Set the size back...
2020 Jul 16
0
[virtio-dev] [RFC for Linux v4 0/2] virtio_balloon: Add VIRTIO_BALLOON_F_CONT_PAGES to report continuous pages
...>> // in the guest.
> >> cat /proc/meminfo | grep AnonHugePages:
> >> AnonHugePages: 911360 kB
> These lines are from host.
>
> >> // Connect to the QEMU monitor, setup balloon, and set it size to 600M.
> >> (qemu) device_add virtio-balloon-pci,id=balloon1
> >> (qemu) info balloon
> >> balloon: actual=1024
> >> (qemu) balloon 600
> >> (qemu) info balloon
> >> balloon: actual=600
> These lines are from host.
>
> >> // This is the THP number after inflate the balloon in the host.
> >>...
2020 Mar 12
0
[RFC for Linux] virtio_balloon: Add VIRTIO_BALLOON_F_THP_ORDER to handle THP spilt issue
...example in a VM with 1G memory 1CPU:
> cat /proc/meminfo | grep AnonHugePages:
> AnonHugePages: 0 kB
>
> usemem --punch-holes -s -1 800m &
>
> cat /proc/meminfo | grep AnonHugePages:
> AnonHugePages: 976896 kB
>
> (qemu) device_add virtio-balloon-pci,id=balloon1
> (qemu) info balloon
> balloon: actual=1024
> (qemu) balloon 624
> (qemu) info balloon
> balloon: actual=624
>
> cat /proc/meminfo | grep AnonHugePages:
> AnonHugePages: 153600 kB
>
> THP number decreased more than 800M.
> The reason is usemem with punch-holes...
2020 Mar 12
2
[RFC for Linux] virtio_balloon: Add VIRTIO_BALLOON_F_THP_ORDER to handle THP spilt issue
...example in a VM with 1G memory 1CPU:
> cat /proc/meminfo | grep AnonHugePages:
> AnonHugePages: 0 kB
>
> usemem --punch-holes -s -1 800m &
>
> cat /proc/meminfo | grep AnonHugePages:
> AnonHugePages: 976896 kB
>
> (qemu) device_add virtio-balloon-pci,id=balloon1
> (qemu) info balloon
> balloon: actual=1024
> (qemu) balloon 624
> (qemu) info balloon
> balloon: actual=624
>
> cat /proc/meminfo | grep AnonHugePages:
> AnonHugePages: 153600 kB
>
> THP number decreased more than 800M.
> The reason is usemem with punch-holes...
2020 Mar 12
2
[RFC for Linux] virtio_balloon: Add VIRTIO_BALLOON_F_THP_ORDER to handle THP spilt issue
...example in a VM with 1G memory 1CPU:
> cat /proc/meminfo | grep AnonHugePages:
> AnonHugePages: 0 kB
>
> usemem --punch-holes -s -1 800m &
>
> cat /proc/meminfo | grep AnonHugePages:
> AnonHugePages: 976896 kB
>
> (qemu) device_add virtio-balloon-pci,id=balloon1
> (qemu) info balloon
> balloon: actual=1024
> (qemu) balloon 624
> (qemu) info balloon
> balloon: actual=624
>
> cat /proc/meminfo | grep AnonHugePages:
> AnonHugePages: 153600 kB
>
> THP number decreased more than 800M.
> The reason is usemem with punch-holes...