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virtio-balloon: Add memory_actual_size to vm.info to show memory actual size

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The virtio-balloon change the memory size is asynchronous.
VirtioBalloonConfig.actual of balloon device show current balloon size.

This commit add memory_actual_size to vm.info to show memory actual size.

Signed-off-by: Hui Zhu <teawater@antfin.com>
This commit is contained in:
Hui Zhu
2020-08-25 14:44:21 +08:00
committed by Sebastien Boeuf
parent 9dffc5da5c
commit c75f8b2f89
8 changed files with 93 additions and 8 deletions
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10
vmm/src/lib.rs
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@@ -465,9 +465,17 @@ impl Vmm {
None => VmState::Created,
};
let config = Arc::clone(config);
let mut memory_actual_size = config.lock().unwrap().memory.total_size();
if let Some(vm) = &self.vm {
memory_actual_size -= vm.get_balloon_actual();
}
Ok(VmInfo {
config: Arc::clone(config),
config,
state,
memory_actual_size,
})
}
None => Err(VmError::VmNotCreated),