linux-kernel - Re: [PATCH] selftests: kvm: make hardware_disable

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Message-ID: <875z1iyww0.fsf@vitty.brq.redhat.com>
Date:   Tue, 23 Mar 2021 11:42:07 +0100
From:   Vitaly Kuznetsov <vkuznets@...hat.com>
To:     Andrew Jones <drjones@...hat.com>
Cc:     kvm@...r.kernel.org, Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] selftests: kvm: make hardware_disable_test less verbose

Andrew Jones <drjones@...hat.com> writes:

> On Tue, Mar 23, 2021 at 09:53:03AM +0100, Vitaly Kuznetsov wrote:
>> hardware_disable_test produces 512 snippets like
>> ...
>>  main: [511] waiting semaphore
>>  run_test: [511] start vcpus
>>  run_test: [511] all threads launched
>>  main: [511] waiting 368us
>>  main: [511] killing child
>> 
>> and this doesn't have much value, let's just drop these fprintf().
>> Restoring them for debugging purposes shouldn't be too hard.
>
> Changing them to pr_debug() allows you to keep them and restore
> with -DDEBUG

Ah, missed that we have this for selftests! v2 is coming.

-- 
Vitaly