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qemu: command: Switch to bytes when formatting size for memory backends

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QEMU's command line visitor as well as the JSON interface take bytes by
default for memory object sizes. Convert mebibytes to bytes so that we
can later refactor the existing code for hotplug purposes.
This commit is contained in:
Peter Krempa 2015-01-15 17:31:31 +01:00
parent a47174c508
commit b50b4ef30c
7 changed files with 27 additions and 18 deletions
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2
src/qemu/qemu_command.c
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@ -4650,7 +4650,7 @@ qemuBuildMemoryBackendStr(unsigned long long size,
virBufferAsprintf(&buf, "memory-backend-ram,id=%s%zu", aliasPrefix, id);
}
virBufferAsprintf(&buf, ",size=%lluM", size / 1024);
virBufferAsprintf(&buf, ",size=%llu", size * 1024);
if (userNodeset) {
if (!(nodemask = virBitmapFormat(userNodeset)))

12
tests/qemuxml2argvdata/qemuxml2argv-hugepages-pages.args
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@ -1,16 +1,20 @@
LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
/usr/bin/qemu -S -M pc -m 4096 -smp 4 \
-object memory-backend-file,id=ram-node0,prealloc=yes,\
mem-path=/dev/hugepages1G/libvirt/qemu,size=1024M,host-nodes=0-3,policy=bind \
mem-path=/dev/hugepages1G/libvirt/qemu,size=1073741824,host-nodes=0-3,\
policy=bind \
-numa node,nodeid=0,cpus=0,memdev=ram-node0 \
-object memory-backend-file,id=ram-node1,prealloc=yes,\
mem-path=/dev/hugepages2M/libvirt/qemu,size=1024M,host-nodes=0-3,policy=bind \
mem-path=/dev/hugepages2M/libvirt/qemu,size=1073741824,host-nodes=0-3,\
policy=bind \
-numa node,nodeid=1,cpus=1,memdev=ram-node1 \
-object memory-backend-file,id=ram-node2,prealloc=yes,\
mem-path=/dev/hugepages1G/libvirt/qemu,size=1024M,host-nodes=0-3,policy=bind \
mem-path=/dev/hugepages1G/libvirt/qemu,size=1073741824,host-nodes=0-3,\
policy=bind \
-numa node,nodeid=2,cpus=2,memdev=ram-node2 \
-object memory-backend-file,id=ram-node3,prealloc=yes,\
mem-path=/dev/hugepages1G/libvirt/qemu,size=1024M,host-nodes=3,policy=bind \
mem-path=/dev/hugepages1G/libvirt/qemu,size=1073741824,host-nodes=3,\
policy=bind \
-numa node,nodeid=3,cpus=3,memdev=ram-node3 \
-nographic -monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -usb \
-hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none

4
tests/qemuxml2argvdata/qemuxml2argv-hugepages-pages2.args
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@ -1,10 +1,10 @@
LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
/usr/bin/qemu -S -M pc -m 1024 -smp 2 \
-object memory-backend-file,id=ram-node0,prealloc=yes,\
mem-path=/dev/hugepages2M/libvirt/qemu,size=256M \
mem-path=/dev/hugepages2M/libvirt/qemu,size=268435456 \
-numa node,nodeid=0,cpus=0,memdev=ram-node0 \
-object memory-backend-file,id=ram-node1,prealloc=yes,\
mem-path=/dev/hugepages2M/libvirt/qemu,size=768M \
mem-path=/dev/hugepages2M/libvirt/qemu,size=805306368 \
-numa node,nodeid=1,cpus=1,memdev=ram-node1 \
-nographic -monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c \
-usb -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none

2
tests/qemuxml2argvdata/qemuxml2argv-hugepages-pages3.args
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@ -2,7 +2,7 @@ LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
/usr/bin/qemu -S -M pc -m 1024 -smp 2 \
-numa node,nodeid=0,cpus=0,mem=256 \
-object memory-backend-file,id=ram-node1,prealloc=yes,\
mem-path=/dev/hugepages1G/libvirt/qemu,size=768M \
mem-path=/dev/hugepages1G/libvirt/qemu,size=805306368 \
-numa node,nodeid=1,cpus=1,memdev=ram-node1 \
-nographic -monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -usb \
-hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none

14
tests/qemuxml2argvdata/qemuxml2argv-hugepages-shared.args
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@ -1,18 +1,20 @@
LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
/usr/bin/qemu -S -M pc -m 4096 -smp 4 \
-object memory-backend-file,id=ram-node0,prealloc=yes,\
mem-path=/dev/hugepages1G/libvirt/qemu,size=1024M,host-nodes=0-3,policy=bind \
mem-path=/dev/hugepages1G/libvirt/qemu,size=1073741824,host-nodes=0-3,\
policy=bind \
-numa node,nodeid=0,cpus=0,memdev=ram-node0 \
-object memory-backend-file,id=ram-node1,prealloc=yes,\
mem-path=/dev/hugepages2M/libvirt/qemu,share=yes,size=1024M,host-nodes=0-3,\
policy=bind \
mem-path=/dev/hugepages2M/libvirt/qemu,share=yes,size=1073741824,\
host-nodes=0-3,policy=bind \
-numa node,nodeid=1,cpus=1,memdev=ram-node1 \
-object memory-backend-file,id=ram-node2,prealloc=yes,\
mem-path=/dev/hugepages1G/libvirt/qemu,share=no,size=1024M,host-nodes=0-3,\
policy=bind \
mem-path=/dev/hugepages1G/libvirt/qemu,share=no,size=1073741824,\
host-nodes=0-3,policy=bind \
-numa node,nodeid=2,cpus=2,memdev=ram-node2 \
-object memory-backend-file,id=ram-node3,prealloc=yes,\
mem-path=/dev/hugepages1G/libvirt/qemu,size=1024M,host-nodes=3,policy=bind \
mem-path=/dev/hugepages1G/libvirt/qemu,size=1073741824,host-nodes=3,\
policy=bind \
-numa node,nodeid=3,cpus=3,memdev=ram-node3 \
-nographic -monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -usb \
-hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none

3
tests/qemuxml2argvdata/qemuxml2argv-numatune-memnode-no-memory.args
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@ -1,6 +1,7 @@
LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
/usr/bin/kvm -S -M pc -m 64 -smp 2 \
-object memory-backend-ram,id=ram-node0,size=32M,host-nodes=3,policy=preferred \
-object memory-backend-ram,id=ram-node0,size=33554432,host-nodes=3,\
policy=preferred \
-numa node,nodeid=0,cpus=0,memdev=ram-node0 \
-numa node,nodeid=1,cpus=1,mem=32 \
-nographic -monitor unix:/tmp/test-monitor,server,nowait \

8
tests/qemuxml2argvdata/qemuxml2argv-numatune-memnode.args
View File

@ -1,10 +1,12 @@
LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
/usr/bin/kvm -S -M pc -m 24104 -smp 32 \
-object memory-backend-ram,id=ram-node0,size=20M,host-nodes=3,policy=preferred \
-object memory-backend-ram,id=ram-node0,size=20971520,host-nodes=3,\
policy=preferred \
-numa node,nodeid=0,cpus=0,memdev=ram-node0 \
-object memory-backend-ram,id=ram-node1,size=645M,host-nodes=0-7,policy=bind \
-object memory-backend-ram,id=ram-node1,size=676331520,host-nodes=0-7,\
policy=bind \
-numa node,nodeid=1,cpus=1-27,cpus=29,memdev=ram-node1 \
-object memory-backend-ram,id=ram-node2,size=23440M,\
-object memory-backend-ram,id=ram-node2,size=24578621440,\
host-nodes=1-2,host-nodes=5,host-nodes=7,policy=bind \
-numa node,nodeid=2,cpus=28,cpus=30-31,memdev=ram-node2 \
-nographic -monitor unix:/tmp/test-monitor,server,nowait \