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high cpu usage in idle state


From: Ali Vatankhah
Subject: high cpu usage in idle state
Date: Wed, 15 Sep 2021 12:16:38 +0430

Dear qemu developers
I built an image for e5500 cpu with yocto and run with qemu ppce500 machine:
qemu-system-ppc64 -nographic -M ppce500 -cpu e5500 -kernel uImage -initrd core-image-minimal.rootfs.ext2.gz -append 'root=/dev/ram rw' 
It works well, but as the emulated guest is in idle state, in the host it consumes 100% cpu on one core. 
Is this cpu usage due to guest idle instruction emulated on the host? is it possible to correct that?

Best regards and thanks

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