add simple NUMA support #164
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Signed-off-by: UMEZAWA Takeshi <takeshi-umezawa@cybozu.co.jp>
morimoto-cybozu
requested changes
Apr 21, 2022
| if c.numa.nodes != 0 { | ||
| cpuPerNode := c.smp.cpus / c.numa.nodes | ||
| for i := 0; i < c.numa.nodes; i++ { | ||
| params = append(params, "-numa", fmt.Sprintf("node,cpus=%d-%d", cpuPerNode*i, cpuPerNode*(i+1)-1)) |
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I'm not sure whether this is valid for the latest QEMU.
It would be OK to care only after a user has complained about this.
https://www.qemu.org/docs/master/about/removed-features.html#numa-node-without-memory-specified-removed-in-5-2
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Hmm... it may seem a problem. Ubuntu 20.04 uses QEMU 4.2 but Ubuntu 22.04 uses QEMU 6.2.
Signed-off-by: UMEZAWA Takeshi <takeshi-umezawa@cybozu.co.jp>
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part of cybozu-go/neco#1977
Signed-off-by: UMEZAWA Takeshi takeshi-umezawa@cybozu.co.jp