From: Mingwei Zhang <mizhang@google.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Sean Christopherson <seanjc@google.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
Wanpeng Li <wanpengli@tencent.com>,
Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
Ben Gardon <bgardon@google.com>,
Mingwei Zhang <mizhang@google.com>,
Jing Zhang <jingzhangos@google.com>
Subject: [PATCH v2 0/3] Add detailed page size stats in KVM stats
Date: Mon, 26 Jul 2021 10:53:54 -0700 [thread overview]
Message-ID: <20210726175357.1572951-1-mizhang@google.com> (raw)
This commit basically adds detailed (large and regular) page size info to
KVM stats and deprecate the old one: lpages.
To support legacy MMU and TDP mmu, we use atomic type for all page stats.
v1 -> v2:
- refactor kvm_update_page_stats and remove 'spte' argument. [sean]
- remove 'lpages' as it can be aggregated by user level [sean]
- fix lpages stats update issue in __handle_change_pte [sean]
- fix style issues and typos. [ben/sean]
pre-v1 (internal reviewers):
- use atomic in all page stats and use 'level' as index. [sean]
- use an extra argument in kvm_update_page_stats for atomic/non-atomic.
[bgardon]
- should be careful on the difference between legacy mmu and tdp mmu.
[jingzhangos]
Mingwei Zhang (3):
kvm: mmu/x86: Remove redundant spte present check in mmu_set_spte
KVM: x86/mmu: Avoid collision with !PRESENT SPTEs in TDP MMU lpage
stats
kvm: mmu/x86: Add detailed page size stats
arch/x86/include/asm/kvm_host.h | 10 +++++++-
arch/x86/kvm/mmu.h | 2 ++
arch/x86/kvm/mmu/mmu.c | 42 ++++++++++++++++++---------------
arch/x86/kvm/mmu/tdp_mmu.c | 9 ++-----
arch/x86/kvm/x86.c | 7 ++++--
5 files changed, 41 insertions(+), 29 deletions(-)
--
2.32.0.432.gabb21c7263-goog
next reply other threads:[~2021-07-26 17:54 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-26 17:53 Mingwei Zhang [this message]
2021-07-26 17:53 ` [PATCH v2 1/3] KVM: x86/mmu: Remove redundant spte present check in mmu_set_spte Mingwei Zhang
2021-07-26 20:23 ` Ben Gardon
2021-07-29 18:16 ` Sean Christopherson
2021-07-26 17:53 ` [PATCH v2 2/3] KVM: x86/mmu: Avoid collision with !PRESENT SPTEs in TDP MMU lpage stats Mingwei Zhang
2021-07-26 21:02 ` Ben Gardon
2021-07-29 18:34 ` Sean Christopherson
2021-07-29 19:01 ` Mingwei Zhang
2021-07-26 17:53 ` [PATCH v2 3/3] KVM: x86/mmu: Add detailed page size stats Mingwei Zhang
2021-07-26 20:41 ` Ben Gardon
2021-07-26 21:06 ` Ben Gardon
2021-07-29 18:45 ` Sean Christopherson
2021-07-29 19:02 ` Mingwei Zhang
2021-07-27 15:36 ` David Matlack
2021-07-29 6:24 ` Mingwei Zhang
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