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Message-Id: <20240820043543.837914-4-suleiman@google.com> Date: Tue, 20 Aug 2024 13:35:43 +0900 From: Suleiman Souhlal <suleiman@...gle.com> To: Paolo Bonzini <pbonzini@...hat.com>, Sean Christopherson <seanjc@...gle.com> Cc: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org, "H. Peter Anvin" <hpa@...or.com>, Chao Gao <chao.gao@...el.com>, kvm@...r.kernel.org, linux-kernel@...r.kernel.org, ssouhlal@...ebsd.org, Suleiman Souhlal <suleiman@...gle.com> Subject: [PATCH v2 3/3] KVM: x86: Document host suspend being included in steal time. Steal time now includes the time that the host was suspended. Signed-off-by: Suleiman Souhlal <suleiman@...gle.com> --- Documentation/virt/kvm/x86/msr.rst | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/Documentation/virt/kvm/x86/msr.rst b/Documentation/virt/kvm/x86/msr.rst index 3aecf2a70e7b43..81c17c2200ca2f 100644 --- a/Documentation/virt/kvm/x86/msr.rst +++ b/Documentation/virt/kvm/x86/msr.rst @@ -294,8 +294,10 @@ data: steal: the amount of time in which this vCPU did not run, in - nanoseconds. Time during which the vcpu is idle, will not be - reported as steal time. + nanoseconds. This includes the time during which the host is + suspended. However, the case where the host suspends during a + VM migration might not be correctly accounted. Time during + which the vcpu is idle, will not be reported as steal time. preempted: indicate the vCPU who owns this struct is running or -- 2.46.0.184.g6999bdac58-goog
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