'Checking if android emulator is using KVM accelation or not?

As per the documentation on Check if a hypervisor is installed, I ran the command

./Android/Sdk/emulator/emulator --aceel-check

and it outputs

emulator: ERROR: No AVD specified. Use '@foo' or '-avd foo' to launch a virtual device named 'foo'

instead of

accel: 0 KVM (version 12) is installed and usable.

I already have installed and verified the KVM installation by following ubuntu KVM installation.

$ virsh list --all
Id   Name   State
--------------------

I also do have a working android emulator (Nexus 6).

So is there any way that I can know that my emulator is using KVM or not?

Solution 1:^[1]

Only one dash to start the argument. Should be ./Android/Sdk/emulator/emulator -aceel-check

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Solution	Source
Solution 1	nobody-74185