From: Paolo Bonzini <pbonzini@redhat.com>
To: Jing Zhang <jingzhangos@google.com>
Cc: KVM <kvm@vger.kernel.org>, KVMARM <kvmarm@lists.cs.columbia.edu>,
LinuxMIPS <linux-mips@vger.kernel.org>,
KVMPPC <kvm-ppc@vger.kernel.org>,
LinuxS390 <linux-s390@vger.kernel.org>,
Linuxkselftest <linux-kselftest@vger.kernel.org>,
Marc Zyngier <maz@kernel.org>, James Morse <james.morse@arm.com>,
Julien Thierry <julien.thierry.kdev@gmail.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Will Deacon <will@kernel.org>,
Huacai Chen <chenhuacai@kernel.org>,
Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Paul Mackerras <paulus@ozlabs.org>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Janosch Frank <frankja@linux.ibm.com>,
David Hildenbrand <david@redhat.com>,
Cornelia Huck <cohuck@redhat.com>,
Claudio Imbrenda <imbrenda@linux.ibm.com>,
Sean Christopherson <seanjc@google.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
Jim Mattson <jmattson@google.com>,
Peter Shier <pshier@google.com>, Oliver Upton <oupton@google.com>,
David Rientjes <rientjes@google.com>,
Emanuele Giuseppe Esposito <eesposit@redhat.com>,
David Matlack <dmatlack@google.com>,
Ricardo Koller <ricarkol@google.com>,
Krish Sadhukhan <krish.sadhukhan@oracle.com>
Subject: Re: [PATCH v7 2/4] KVM: stats: Add fd-based API to read binary stats data
Date: Fri, 11 Jun 2021 12:32:56 +0200 [thread overview]
Message-ID: <2ed4afbf-c5b8-82a5-5fc6-04f00f933761@redhat.com> (raw)
In-Reply-To: <CAAdAUtjAuDdyBz7qd7UE0WuY77US-bhY1-jA9E11ddhZ0=gw6g@mail.gmail.com>
On 11/06/21 00:47, Jing Zhang wrote:
> Hi Paolo,
>
> On Thu, Jun 10, 2021 at 11:23 AM Paolo Bonzini <pbonzini@redhat.com> wrote:
>>
>> On 03/06/21 23:14, Jing Zhang wrote:
>>> +#define DEFINE_VM_STATS_DESC(...) { \
>>> + STATS_DESC_COUNTER("remote_tlb_flush"), \
>>> + ## __VA_ARGS__ \
>>> +}
>>> +
>>> +#define DEFINE_VCPU_STATS_DESC(...) { \
>>> + STATS_DESC_COUNTER("halt_successful_poll"), \
>>> + STATS_DESC_COUNTER("halt_attempted_poll"), \
>>> + STATS_DESC_COUNTER("halt_poll_invalid"), \
>>> + STATS_DESC_COUNTER("halt_wakeup"), \
>>> + STATS_DESC_TIME_NSEC("halt_poll_success_ns"), \
>>> + STATS_DESC_TIME_NSEC("halt_poll_fail_ns"), \
>>> + ## __VA_ARGS__ \
>>
>> Let's instead put this (note it's without braces) in macros like these
>>
>> #define KVM_GENERIC_VM_STATS() \
>> STATS_DESC_COUNTER("remote_tlb_flush"),
>>
>> #define KVM_GENERIC_VCPU_STATS(...) \
>> STATS_DESC_COUNTER("halt_successful_poll"), \
>> STATS_DESC_COUNTER("halt_attempted_poll"), \
>> STATS_DESC_COUNTER("halt_poll_invalid"), \
>> STATS_DESC_COUNTER("halt_wakeup"), \
>> STATS_DESC_TIME_NSEC("halt_poll_success_ns"), \
>> STATS_DESC_TIME_NSEC("halt_poll_fail_ns"),
>>
>> and it can be used in the arch files. In fact it can even be added in patch 1 and
>> switched to STATS_DESC_* here.
>>
>> Paolo
>>
> I just remember that the reason I used braces is due to following
> error from checkpatch.pl:
> ERROR: Macros with complex values should be enclosed in parentheses
No, just ignore the bogus error from checkpatch.pl. But, thanks for
checking!
Paolo
next prev parent reply other threads:[~2021-06-11 10:33 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-03 21:14 [PATCH v7 0/4] KVM statistics data fd-based binary interface Jing Zhang
2021-06-03 21:14 ` [PATCH v7 1/4] KVM: stats: Separate generic stats from architecture specific ones Jing Zhang
2021-06-07 19:22 ` Krish Sadhukhan
2021-06-11 6:57 ` Christian Borntraeger
2021-06-11 10:51 ` Paolo Bonzini
2021-06-11 12:00 ` Christian Borntraeger
2021-06-11 12:03 ` Paolo Bonzini
2021-06-11 12:08 ` Christian Borntraeger
2021-06-11 12:14 ` Paolo Bonzini
2021-06-03 21:14 ` [PATCH v7 2/4] KVM: stats: Add fd-based API to read binary stats data Jing Zhang
2021-06-07 19:22 ` Krish Sadhukhan
2021-06-07 22:10 ` Jing Zhang
2021-06-10 16:23 ` Paolo Bonzini
2021-06-10 17:26 ` Jing Zhang
2021-06-10 22:47 ` Jing Zhang
2021-06-11 10:32 ` Paolo Bonzini [this message]
2021-06-10 16:42 ` Paolo Bonzini
2021-06-10 17:27 ` Jing Zhang
2021-06-13 15:19 ` Fuad Tabba
2021-06-13 16:42 ` Jing Zhang
2021-06-03 21:14 ` [PATCH v7 3/4] KVM: stats: Add documentation for statistics data binary interface Jing Zhang
2021-06-07 19:22 ` Krish Sadhukhan
2021-06-07 22:09 ` Jing Zhang
2021-06-14 7:56 ` Fuad Tabba
2021-06-14 13:19 ` Jing Zhang
2021-06-03 21:14 ` [PATCH v7 4/4] KVM: selftests: Add selftest for KVM " Jing Zhang
2021-06-07 19:23 ` Krish Sadhukhan
2021-06-07 22:12 ` Jing Zhang
2021-06-10 16:46 ` [PATCH v7 0/4] KVM statistics data fd-based " Paolo Bonzini
2021-06-10 17:30 ` Jing Zhang
2021-06-11 6:57 ` Christian Borntraeger
2021-06-11 11:02 ` Paolo Bonzini
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