diff --git a/virtualizationmanager/src/atom.rs b/virtualizationmanager/src/atom.rs
index 5c1f394..567fce9 100644
--- a/virtualizationmanager/src/atom.rs
+++ b/virtualizationmanager/src/atom.rs
@@ -82,7 +82,7 @@
 // Returns the number of CPUs configured in the host system.
 // This matches how crosvm determines the number of logical cores.
 // For telemetry purposes only.
-fn get_num_cpus() -> Option<usize> {
+pub(crate) fn get_num_cpus() -> Option<usize> {
     // SAFETY - Only integer constants passed back and forth.
     let ret = unsafe { libc::sysconf(libc::_SC_NPROCESSORS_CONF) };
     if ret > 0 {