chore: Show microcode version on running tests

Several tests depend on not only the kernel version but also the microcode version, which could be useful in troubleshooting issues. Signed-off-by: Takahiro Itazuri <[email protected]>
firecracker-microvm · Sep 19, 2023 · 6520a2f · 6520a2f
1 parent 8523e2a
commit 6520a2f
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/tools/devtool b/tools/devtool
@@ -556,6 +556,11 @@ cmd_test() {
 
     # If we got to here, we've got all we need to continue.
     say "Kernel version: $(uname -r)"
+    if [ "$(uname --machine)" = "x86_64" ]; then
+        say "Microcode version: $(sudo cat /sys/devices/system/cpu/cpu0/microcode/version)"
+    elif [ "$(uname --machine)" = "aarch64" ]; then
+        say "Microcode version: $(sudo cat /sys/devices/system/cpu/cpu0/regs/identification/revidr_el1)"
+    fi
     say "$(lscpu)"
     say "Starting test run ..."