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agent/sandbox: Don't update cpuset when ncpus = 0

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When receiving an OnlineCpuMemory RPC, if the number of CPUs to be
made available is 0, then updating the cpusets is a redundant operation.

Fixes: #1172

Signed-off-by: Maruth Goyal <maruthgoyal@gmail.com>
This commit is contained in:
Maruth Goyal 2020-12-09 15:13:25 +05:30
parent e167bf30e3
commit 4af5beda35
1 changed files with 4 additions and 0 deletions
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4
src/agent/src/sandbox.rs
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@ -233,6 +233,10 @@ impl Sandbox {
online_memory(&self.logger)?; online_memory(&self.logger)?;
} }
if req.nb_cpus == 0 {
return Ok(());
}
let guest_cpuset = rustjail_cgroups::fs::get_guest_cpuset()?; let guest_cpuset = rustjail_cgroups::fs::get_guest_cpuset()?;
for (_, ctr) in self.containers.iter() { for (_, ctr) in self.containers.iter() {