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qemu_command: Generate prealloc-threads property

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Let's generate prealloc-threads property onto the cmd line if
domain configuration requests so.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
This commit is contained in:
Michal Privoznik 2022-03-21 17:10:15 +01:00
parent 75a4e0165e
commit b8d6ecc70c
2 changed files with 6 additions and 3 deletions
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5
src/qemu/qemu_command.c
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@ -3806,7 +3806,10 @@ qemuBuildMemoryBackendProps(virJSONValue **backendProps,
return -1;
} else {
if (!priv->memPrealloc &&
virJSONValueObjectAdd(&props, "B:prealloc", prealloc, NULL) < 0)
virJSONValueObjectAdd(&props,
"B:prealloc", prealloc,
"p:prealloc-threads", def->mem.allocation_threads,
NULL) < 0)
return -1;
}

4
tests/qemuxml2argvdata/memfd-memory-numa.x86_64-latest.args
View File

@ -16,7 +16,7 @@ XDG_CONFIG_HOME=/tmp/lib/domain--1-instance-00000092/.config \
-m size=14680064k,slots=16,maxmem=1099511627776k \
-overcommit mem-lock=off \
-smp 8,sockets=1,dies=1,cores=8,threads=1 \
-object '{"qom-type":"memory-backend-memfd","id":"ram-node0","hugetlb":true,"hugetlbsize":2097152,"share":true,"prealloc":true,"size":15032385536,"host-nodes":[3],"policy":"preferred"}' \
-object '{"qom-type":"memory-backend-memfd","id":"ram-node0","hugetlb":true,"hugetlbsize":2097152,"share":true,"prealloc":true,"prealloc-threads":8,"size":15032385536,"host-nodes":[3],"policy":"preferred"}' \
-numa node,nodeid=0,cpus=0-7,memdev=ram-node0 \
-uuid 126f2720-6f8e-45ab-a886-ec9277079a67 \
-display none \
@ -29,7 +29,7 @@ XDG_CONFIG_HOME=/tmp/lib/domain--1-instance-00000092/.config \
-no-acpi \
-boot strict=on \
-device '{"driver":"piix3-usb-uhci","id":"usb","bus":"pci.0","addr":"0x1.0x2"}' \
-object '{"qom-type":"memory-backend-file","id":"memnvdimm0","mem-path":"/tmp/nvdimm","share":true,"prealloc":true,"size":536870912,"host-nodes":[3],"policy":"preferred"}' \
-object '{"qom-type":"memory-backend-file","id":"memnvdimm0","mem-path":"/tmp/nvdimm","share":true,"prealloc":true,"prealloc-threads":8,"size":536870912,"host-nodes":[3],"policy":"preferred"}' \
-device '{"driver":"nvdimm","node":0,"memdev":"memnvdimm0","id":"nvdimm0","slot":0}' \
-audiodev '{"id":"audio1","driver":"none"}' \
-device '{"driver":"virtio-balloon-pci","id":"balloon0","bus":"pci.0","addr":"0x3"}' \