From: Paolo Bonzini <pbonzini@redhat.com>
To: Greg KH <gregkh@linuxfoundation.org>,
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>,
Fuad Tabba <tabba@google.com>
Subject: Re: [PATCH v11 2/7] KVM: stats: Add fd-based API to read binary stats data
Date: Fri, 18 Jun 2021 10:28:46 +0200 [thread overview]
Message-ID: <f9919638-06e2-2c4a-a6a6-f00fca6d78f8@redhat.com> (raw)
In-Reply-To: <YMxDv5BgfdMn2Y9b@kroah.com>
On 18/06/21 08:57, Greg KH wrote:
>> + * 2. Read descriptors from its offset and discover all the stats by parsing
>> + * descriptors. This is a one-time work for the lifecycle of the
>> + * corresponding vm/vcpu stats fd.
>> + * 3. Periodically read stats data from its offset.
> You forgot "2.5. rewind fd pointer position", see below...
Or use pread (that's what the test does). I'll do a copy-editing pass
and be sure to mention that as well.
Paolo
next prev parent reply other threads:[~2021-06-18 8:28 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-18 4:48 [PATCH v11 0/7] KVM statistics data fd-based binary interface Jing Zhang
2021-06-18 4:48 ` [PATCH v11 1/7] KVM: stats: Separate generic stats from architecture specific ones Jing Zhang
2021-06-18 4:48 ` [PATCH v11 2/7] KVM: stats: Add fd-based API to read binary stats data Jing Zhang
2021-06-18 6:57 ` Greg KH
2021-06-18 8:28 ` Paolo Bonzini [this message]
2021-06-18 12:40 ` Jing Zhang
2021-06-18 7:00 ` Greg KH
2021-06-18 8:02 ` Paolo Bonzini
2021-06-18 8:23 ` Greg KH
2021-06-18 13:02 ` Jing Zhang
2021-06-18 15:51 ` Paolo Bonzini
2021-06-18 17:57 ` Jing Zhang
2021-06-18 12:53 ` Jing Zhang
2021-06-18 4:48 ` [PATCH v11 3/7] KVM: stats: Support binary stats retrieval for a VM Jing Zhang
2021-06-18 6:58 ` Greg KH
2021-06-18 12:34 ` Jing Zhang
2021-06-18 4:48 ` [PATCH v11 4/7] KVM: stats: Support binary stats retrieval for a VCPU Jing Zhang
2021-06-18 4:48 ` [PATCH v11 5/7] KVM: stats: Add documentation for binary statistics interface Jing Zhang
2021-06-18 7:02 ` Greg KH
2021-06-18 8:26 ` Paolo Bonzini
2021-06-18 8:31 ` Greg KH
2021-06-18 8:37 ` Paolo Bonzini
2021-06-18 4:48 ` [PATCH v11 6/7] KVM: selftests: Add selftest for KVM statistics data binary interface Jing Zhang
2021-06-18 4:48 ` [PATCH v11 7/7] KVM: stats: Remove code duplication for binary and debugfs stats Jing Zhang
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