From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-23.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_IN_DEF_DKIM_WL autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A279FC4707F for ; Tue, 25 May 2021 21:36:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7A84B613B0 for ; Tue, 25 May 2021 21:36:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233195AbhEYVhw (ORCPT ); Tue, 25 May 2021 17:37:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59432 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232573AbhEYVhw (ORCPT ); Tue, 25 May 2021 17:37:52 -0400 Received: from mail-lf1-x12f.google.com (mail-lf1-x12f.google.com [IPv6:2a00:1450:4864:20::12f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 63732C06175F for ; Tue, 25 May 2021 14:36:21 -0700 (PDT) Received: by mail-lf1-x12f.google.com with SMTP id b26so32176444lfq.4 for ; Tue, 25 May 2021 14:36:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=5BNjrOwsxO5SqChQHTJE8rV/8vDSHtCjgOLGJMhUx7U=; b=RFm+K3d5kANrj/b07LWcWbYMonKvYpnX3lubeOzZcDi0HriIV1NBBYgFkg5jRua4eh Qmy6jT6Ld0KFI5b8ApWFaay6xtlgu9esrdHON4gES/VgUGLgrUF9P3dYvzZgXpLziory fS0kd04LA6d+PBsGEsWdOyJXt0dcQu6+A/3jBLYz/Nb/2MoRK2XTheBspwoHfZqwUyeT TcNWmt/PMEyuKl02VUXXQCtM5Hv3CftgSQpcV3Zl2Ohx4ABpDkcBdboMzfqbKoze1yz1 l1r5qNNoNO3dydgAiUGajxZpXtu5fHWq6lJeEb/IP+05k+qY6952u8tloDoFhb/ULlt6 HYUg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=5BNjrOwsxO5SqChQHTJE8rV/8vDSHtCjgOLGJMhUx7U=; b=YWiF+A5A7wjNMavJyqKzDazqzxMfdnsXjNqppAGORwIbA2U2w6UXSzkS8LoLwOMAv7 8+APze39nSq6XIQ9hZq2HFwrzpI7oQAOrBXRw+b0glKNZ6Ef8gMNkTKW8cdPk1GarpEp noebvIMjoDdWVgua5CX4XoiJoIMaulnX/NZdXZvLmrfJs+ozo4qnrXJ+00mgLBK1FIDU 54OtlfVe+8kEFADsz/FwfSWV0mfTp73Om9Oc2XkM/uWELdOP/10SEb3G3fxmndnX6bP6 ljhWY8nzENaoFQ4jVNsS3vsgTwxYHq5BdHK8SdQWBHvr1tWK57vI5ZqEIEI7E485b9qf XoGg== X-Gm-Message-State: AOAM530sPuFZ9MbUGcC5ivy23dA96vqlVKPwdqscMRR5az4nLu3H6xmz 3vHGgkr/3VgIr+qRL9XJfiIvpMPvqIyikOE31+cVfg== X-Google-Smtp-Source: ABdhPJy929btMkFWsU6Ih2ZUaBkPakrNKEqHdPKxcJUPDc7BugzwPxdKwDEPr/ufSanxWk9zZxX44neSDdwTW3PCEKw= X-Received: by 2002:a05:6512:3d0c:: with SMTP id d12mr14953689lfv.406.1621978579149; Tue, 25 May 2021 14:36:19 -0700 (PDT) MIME-Version: 1.0 References: <20210524151828.4113777-1-jingzhangos@google.com> <20210524151828.4113777-2-jingzhangos@google.com> In-Reply-To: <20210524151828.4113777-2-jingzhangos@google.com> From: David Matlack Date: Tue, 25 May 2021 14:35:52 -0700 Message-ID: Subject: Re: [PATCH v6 1/4] KVM: stats: Separate common stats from architecture specific ones To: Jing Zhang Cc: KVM , KVMARM , LinuxMIPS , KVMPPC , LinuxS390 , Linuxkselftest , Paolo Bonzini , Marc Zyngier , James Morse , Julien Thierry , Suzuki K Poulose , Will Deacon , Huacai Chen , Aleksandar Markovic , Thomas Bogendoerfer , Paul Mackerras , Christian Borntraeger , Janosch Frank , David Hildenbrand , Cornelia Huck , Claudio Imbrenda , Sean Christopherson , Vitaly Kuznetsov , Jim Mattson , Peter Shier , Oliver Upton , David Rientjes , Emanuele Giuseppe Esposito , Ricardo Koller , Krish Sadhukhan Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Mon, May 24, 2021 at 8:18 AM Jing Zhang wrote: > > Put all common statistics in a separate structure to ease > statistics handling for the incoming new statistics API. > > No functional change intended. > > Reviewed-by: David Matlack FYI I think you only add Reviewed-by tags if they are offered by the reviewer explicitly [1]. Offering your Reviewed-by tag is similar to hitting the +1 button on Gerrit. But in any case, this patch looks good so here's my tag: Reviewed-by: David Matlack [1] https://www.kernel.org/doc/html/v4.17/process/submitting-patches.html#reviewer-s-statement-of-oversight > Reviewed-by: Ricardo Koller > Signed-off-by: Jing Zhang > --- > arch/arm64/include/asm/kvm_host.h | 9 ++------- > arch/arm64/kvm/guest.c | 12 ++++++------ > arch/mips/include/asm/kvm_host.h | 9 ++------- > arch/mips/kvm/mips.c | 12 ++++++------ > arch/powerpc/include/asm/kvm_host.h | 9 ++------- > arch/powerpc/kvm/book3s.c | 12 ++++++------ > arch/powerpc/kvm/book3s_hv.c | 12 ++++++------ > arch/powerpc/kvm/book3s_pr.c | 2 +- > arch/powerpc/kvm/book3s_pr_papr.c | 2 +- > arch/powerpc/kvm/booke.c | 14 +++++++------- > arch/s390/include/asm/kvm_host.h | 9 ++------- > arch/s390/kvm/kvm-s390.c | 12 ++++++------ > arch/x86/include/asm/kvm_host.h | 9 ++------- > arch/x86/kvm/x86.c | 14 +++++++------- > include/linux/kvm_host.h | 9 +++++++-- > include/linux/kvm_types.h | 12 ++++++++++++ > virt/kvm/kvm_main.c | 14 +++++++------- > 17 files changed, 82 insertions(+), 90 deletions(-) > > diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h > index 7cd7d5c8c4bc..f3ad7a20b0af 100644 > --- a/arch/arm64/include/asm/kvm_host.h > +++ b/arch/arm64/include/asm/kvm_host.h > @@ -556,16 +556,11 @@ static inline bool __vcpu_write_sys_reg_to_cpu(u64 val, int reg) > } > > struct kvm_vm_stat { > - ulong remote_tlb_flush; > + struct kvm_vm_stat_common common; > }; > > struct kvm_vcpu_stat { > - u64 halt_successful_poll; > - u64 halt_attempted_poll; > - u64 halt_poll_success_ns; > - u64 halt_poll_fail_ns; > - u64 halt_poll_invalid; > - u64 halt_wakeup; > + struct kvm_vcpu_stat_common common; > u64 hvc_exit_stat; > u64 wfe_exit_stat; > u64 wfi_exit_stat; > diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c > index 5cb4a1cd5603..0e41331b0911 100644 > --- a/arch/arm64/kvm/guest.c > +++ b/arch/arm64/kvm/guest.c > @@ -29,18 +29,18 @@ > #include "trace.h" > > struct kvm_stats_debugfs_item debugfs_entries[] = { > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > - VCPU_STAT("halt_wakeup", halt_wakeup), > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > VCPU_STAT("hvc_exit_stat", hvc_exit_stat), > VCPU_STAT("wfe_exit_stat", wfe_exit_stat), > VCPU_STAT("wfi_exit_stat", wfi_exit_stat), > VCPU_STAT("mmio_exit_user", mmio_exit_user), > VCPU_STAT("mmio_exit_kernel", mmio_exit_kernel), > VCPU_STAT("exits", exits), > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > { NULL } > }; > > diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h > index fca4547d580f..6f610fbcd8d1 100644 > --- a/arch/mips/include/asm/kvm_host.h > +++ b/arch/mips/include/asm/kvm_host.h > @@ -109,10 +109,11 @@ static inline bool kvm_is_error_hva(unsigned long addr) > } > > struct kvm_vm_stat { > - ulong remote_tlb_flush; > + struct kvm_vm_stat_common common; > }; > > struct kvm_vcpu_stat { > + struct kvm_vcpu_stat_common common; > u64 wait_exits; > u64 cache_exits; > u64 signal_exits; > @@ -142,12 +143,6 @@ struct kvm_vcpu_stat { > #ifdef CONFIG_CPU_LOONGSON64 > u64 vz_cpucfg_exits; > #endif > - u64 halt_successful_poll; > - u64 halt_attempted_poll; > - u64 halt_poll_success_ns; > - u64 halt_poll_fail_ns; > - u64 halt_poll_invalid; > - u64 halt_wakeup; > }; > > struct kvm_arch_memory_slot { > diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c > index 4d4af97dcc88..f4fc60c05e9c 100644 > --- a/arch/mips/kvm/mips.c > +++ b/arch/mips/kvm/mips.c > @@ -68,12 +68,12 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > #ifdef CONFIG_CPU_LOONGSON64 > VCPU_STAT("vz_cpucfg", vz_cpucfg_exits), > #endif > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > - VCPU_STAT("halt_wakeup", halt_wakeup), > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > {NULL} > }; > > diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h > index 1e83359f286b..473d9d0804ff 100644 > --- a/arch/powerpc/include/asm/kvm_host.h > +++ b/arch/powerpc/include/asm/kvm_host.h > @@ -80,12 +80,13 @@ struct kvmppc_book3s_shadow_vcpu; > struct kvm_nested_guest; > > struct kvm_vm_stat { > - ulong remote_tlb_flush; > + struct kvm_vm_stat_common common; > ulong num_2M_pages; > ulong num_1G_pages; > }; > > struct kvm_vcpu_stat { > + struct kvm_vcpu_stat_common common; > u64 sum_exits; > u64 mmio_exits; > u64 signal_exits; > @@ -101,14 +102,8 @@ struct kvm_vcpu_stat { > u64 emulated_inst_exits; > u64 dec_exits; > u64 ext_intr_exits; > - u64 halt_poll_success_ns; > - u64 halt_poll_fail_ns; > u64 halt_wait_ns; > - u64 halt_successful_poll; > - u64 halt_attempted_poll; > u64 halt_successful_wait; > - u64 halt_poll_invalid; > - u64 halt_wakeup; > u64 dbell_exits; > u64 gdbell_exits; > u64 ld; > diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c > index 2b691f4d1f26..bd3a10e1fdaf 100644 > --- a/arch/powerpc/kvm/book3s.c > +++ b/arch/powerpc/kvm/book3s.c > @@ -47,14 +47,14 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > VCPU_STAT("dec", dec_exits), > VCPU_STAT("ext_intr", ext_intr_exits), > VCPU_STAT("queue_intr", queue_intr), > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > VCPU_STAT("halt_wait_ns", halt_wait_ns), > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > VCPU_STAT("halt_successful_wait", halt_successful_wait), > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > - VCPU_STAT("halt_wakeup", halt_wakeup), > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > VCPU_STAT("pf_storage", pf_storage), > VCPU_STAT("sp_storage", sp_storage), > VCPU_STAT("pf_instruc", pf_instruc), > diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c > index 28a80d240b76..58e187e03c52 100644 > --- a/arch/powerpc/kvm/book3s_hv.c > +++ b/arch/powerpc/kvm/book3s_hv.c > @@ -236,7 +236,7 @@ static void kvmppc_fast_vcpu_kick_hv(struct kvm_vcpu *vcpu) > > waitp = kvm_arch_vcpu_get_wait(vcpu); > if (rcuwait_wake_up(waitp)) > - ++vcpu->stat.halt_wakeup; > + ++vcpu->stat.common.halt_wakeup; > > cpu = READ_ONCE(vcpu->arch.thread_cpu); > if (cpu >= 0 && kvmppc_ipi_thread(cpu)) > @@ -3925,7 +3925,7 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc) > cur = start_poll = ktime_get(); > if (vc->halt_poll_ns) { > ktime_t stop = ktime_add_ns(start_poll, vc->halt_poll_ns); > - ++vc->runner->stat.halt_attempted_poll; > + ++vc->runner->stat.common.halt_attempted_poll; > > vc->vcore_state = VCORE_POLLING; > spin_unlock(&vc->lock); > @@ -3942,7 +3942,7 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc) > vc->vcore_state = VCORE_INACTIVE; > > if (!do_sleep) { > - ++vc->runner->stat.halt_successful_poll; > + ++vc->runner->stat.common.halt_successful_poll; > goto out; > } > } > @@ -3954,7 +3954,7 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc) > do_sleep = 0; > /* If we polled, count this as a successful poll */ > if (vc->halt_poll_ns) > - ++vc->runner->stat.halt_successful_poll; > + ++vc->runner->stat.common.halt_successful_poll; > goto out; > } > > @@ -3981,13 +3981,13 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc) > ktime_to_ns(cur) - ktime_to_ns(start_wait); > /* Attribute failed poll time */ > if (vc->halt_poll_ns) > - vc->runner->stat.halt_poll_fail_ns += > + vc->runner->stat.common.halt_poll_fail_ns += > ktime_to_ns(start_wait) - > ktime_to_ns(start_poll); > } else { > /* Attribute successful poll time */ > if (vc->halt_poll_ns) > - vc->runner->stat.halt_poll_success_ns += > + vc->runner->stat.common.halt_poll_success_ns += > ktime_to_ns(cur) - > ktime_to_ns(start_poll); > } > diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c > index d7733b07f489..214caa9d9675 100644 > --- a/arch/powerpc/kvm/book3s_pr.c > +++ b/arch/powerpc/kvm/book3s_pr.c > @@ -493,7 +493,7 @@ static void kvmppc_set_msr_pr(struct kvm_vcpu *vcpu, u64 msr) > if (!vcpu->arch.pending_exceptions) { > kvm_vcpu_block(vcpu); > kvm_clear_request(KVM_REQ_UNHALT, vcpu); > - vcpu->stat.halt_wakeup++; > + vcpu->stat.common.halt_wakeup++; > > /* Unset POW bit after we woke up */ > msr &= ~MSR_POW; > diff --git a/arch/powerpc/kvm/book3s_pr_papr.c b/arch/powerpc/kvm/book3s_pr_papr.c > index 031c8015864a..9384625c8051 100644 > --- a/arch/powerpc/kvm/book3s_pr_papr.c > +++ b/arch/powerpc/kvm/book3s_pr_papr.c > @@ -378,7 +378,7 @@ int kvmppc_h_pr(struct kvm_vcpu *vcpu, unsigned long cmd) > kvmppc_set_msr_fast(vcpu, kvmppc_get_msr(vcpu) | MSR_EE); > kvm_vcpu_block(vcpu); > kvm_clear_request(KVM_REQ_UNHALT, vcpu); > - vcpu->stat.halt_wakeup++; > + vcpu->stat.common.halt_wakeup++; > return EMULATE_DONE; > case H_LOGICAL_CI_LOAD: > return kvmppc_h_pr_logical_ci_load(vcpu); > diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c > index 7d5fe43f85c4..07fdd7a1254a 100644 > --- a/arch/powerpc/kvm/booke.c > +++ b/arch/powerpc/kvm/booke.c > @@ -49,15 +49,15 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > VCPU_STAT("inst_emu", emulated_inst_exits), > VCPU_STAT("dec", dec_exits), > VCPU_STAT("ext_intr", ext_intr_exits), > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > - VCPU_STAT("halt_wakeup", halt_wakeup), > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > VCPU_STAT("doorbell", dbell_exits), > VCPU_STAT("guest doorbell", gdbell_exits), > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > - VM_STAT("remote_tlb_flush", remote_tlb_flush), > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > + VM_STAT_COM("remote_tlb_flush", remote_tlb_flush), > { NULL } > }; > > diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h > index 8925f3969478..57a20897f3db 100644 > --- a/arch/s390/include/asm/kvm_host.h > +++ b/arch/s390/include/asm/kvm_host.h > @@ -361,6 +361,7 @@ struct sie_page { > }; > > struct kvm_vcpu_stat { > + struct kvm_vcpu_stat_common common; > u64 exit_userspace; > u64 exit_null; > u64 exit_external_request; > @@ -370,13 +371,7 @@ struct kvm_vcpu_stat { > u64 exit_validity; > u64 exit_instruction; > u64 exit_pei; > - u64 halt_successful_poll; > - u64 halt_attempted_poll; > - u64 halt_poll_invalid; > u64 halt_no_poll_steal; > - u64 halt_wakeup; > - u64 halt_poll_success_ns; > - u64 halt_poll_fail_ns; > u64 instruction_lctl; > u64 instruction_lctlg; > u64 instruction_stctl; > @@ -755,12 +750,12 @@ struct kvm_vcpu_arch { > }; > > struct kvm_vm_stat { > + struct kvm_vm_stat_common common; > u64 inject_io; > u64 inject_float_mchk; > u64 inject_pfault_done; > u64 inject_service_signal; > u64 inject_virtio; > - u64 remote_tlb_flush; > }; > > struct kvm_arch_memory_slot { > diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c > index 1296fc10f80c..d6bf3372bb10 100644 > --- a/arch/s390/kvm/kvm-s390.c > +++ b/arch/s390/kvm/kvm-s390.c > @@ -72,13 +72,13 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > VCPU_STAT("exit_program_interruption", exit_program_interruption), > VCPU_STAT("exit_instr_and_program_int", exit_instr_and_program), > VCPU_STAT("exit_operation_exception", exit_operation_exception), > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > VCPU_STAT("halt_no_poll_steal", halt_no_poll_steal), > - VCPU_STAT("halt_wakeup", halt_wakeup), > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > VCPU_STAT("instruction_lctlg", instruction_lctlg), > VCPU_STAT("instruction_lctl", instruction_lctl), > VCPU_STAT("instruction_stctl", instruction_stctl), > diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h > index 55efbacfc244..5bfd6893fbf6 100644 > --- a/arch/x86/include/asm/kvm_host.h > +++ b/arch/x86/include/asm/kvm_host.h > @@ -1127,6 +1127,7 @@ struct kvm_arch { > }; > > struct kvm_vm_stat { > + struct kvm_vm_stat_common common; > ulong mmu_shadow_zapped; > ulong mmu_pte_write; > ulong mmu_pde_zapped; > @@ -1134,13 +1135,13 @@ struct kvm_vm_stat { > ulong mmu_recycled; > ulong mmu_cache_miss; > ulong mmu_unsync; > - ulong remote_tlb_flush; > ulong lpages; > ulong nx_lpage_splits; > ulong max_mmu_page_hash_collisions; > }; > > struct kvm_vcpu_stat { > + struct kvm_vcpu_stat_common common; > u64 pf_fixed; > u64 pf_guest; > u64 tlb_flush; > @@ -1154,10 +1155,6 @@ struct kvm_vcpu_stat { > u64 nmi_window_exits; > u64 l1d_flush; > u64 halt_exits; > - u64 halt_successful_poll; > - u64 halt_attempted_poll; > - u64 halt_poll_invalid; > - u64 halt_wakeup; > u64 request_irq_exits; > u64 irq_exits; > u64 host_state_reload; > @@ -1168,8 +1165,6 @@ struct kvm_vcpu_stat { > u64 irq_injections; > u64 nmi_injections; > u64 req_event; > - u64 halt_poll_success_ns; > - u64 halt_poll_fail_ns; > u64 nested_run; > u64 directed_yield_attempted; > u64 directed_yield_successful; > diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c > index 9b6bca616929..9a93d80caff6 100644 > --- a/arch/x86/kvm/x86.c > +++ b/arch/x86/kvm/x86.c > @@ -226,10 +226,10 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > VCPU_STAT("irq_window", irq_window_exits), > VCPU_STAT("nmi_window", nmi_window_exits), > VCPU_STAT("halt_exits", halt_exits), > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > - VCPU_STAT("halt_wakeup", halt_wakeup), > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > VCPU_STAT("hypercalls", hypercalls), > VCPU_STAT("request_irq", request_irq_exits), > VCPU_STAT("irq_exits", irq_exits), > @@ -241,8 +241,8 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > VCPU_STAT("nmi_injections", nmi_injections), > VCPU_STAT("req_event", req_event), > VCPU_STAT("l1d_flush", l1d_flush), > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > VCPU_STAT("nested_run", nested_run), > VCPU_STAT("directed_yield_attempted", directed_yield_attempted), > VCPU_STAT("directed_yield_successful", directed_yield_successful), > @@ -253,7 +253,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > VM_STAT("mmu_recycled", mmu_recycled), > VM_STAT("mmu_cache_miss", mmu_cache_miss), > VM_STAT("mmu_unsync", mmu_unsync), > - VM_STAT("remote_tlb_flush", remote_tlb_flush), > + VM_STAT_COM("remote_tlb_flush", remote_tlb_flush), > VM_STAT("largepages", lpages, .mode = 0444), > VM_STAT("nx_largepages_splitted", nx_lpage_splits, .mode = 0444), > VM_STAT("max_mmu_page_hash_collisions", max_mmu_page_hash_collisions), > diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h > index 2f34487e21f2..97700e41db3b 100644 > --- a/include/linux/kvm_host.h > +++ b/include/linux/kvm_host.h > @@ -1243,10 +1243,15 @@ struct kvm_stats_debugfs_item { > #define KVM_DBGFS_GET_MODE(dbgfs_item) \ > ((dbgfs_item)->mode ? (dbgfs_item)->mode : 0644) > > -#define VM_STAT(n, x, ...) \ > +#define VM_STAT(n, x, ...) \ > { n, offsetof(struct kvm, stat.x), KVM_STAT_VM, ## __VA_ARGS__ } > -#define VCPU_STAT(n, x, ...) \ > +#define VCPU_STAT(n, x, ...) \ > { n, offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU, ## __VA_ARGS__ } > +#define VM_STAT_COM(n, x, ...) \ > + { n, offsetof(struct kvm, stat.common.x), KVM_STAT_VM, ## __VA_ARGS__ } > +#define VCPU_STAT_COM(n, x, ...) \ > + { n, offsetof(struct kvm_vcpu, stat.common.x), \ > + KVM_STAT_VCPU, ## __VA_ARGS__ } > > extern struct kvm_stats_debugfs_item debugfs_entries[]; > extern struct dentry *kvm_debugfs_dir; > diff --git a/include/linux/kvm_types.h b/include/linux/kvm_types.h > index a7580f69dda0..87eb05ad678b 100644 > --- a/include/linux/kvm_types.h > +++ b/include/linux/kvm_types.h > @@ -76,5 +76,17 @@ struct kvm_mmu_memory_cache { > }; > #endif > > +struct kvm_vm_stat_common { > + ulong remote_tlb_flush; > +}; > + > +struct kvm_vcpu_stat_common { > + u64 halt_successful_poll; > + u64 halt_attempted_poll; > + u64 halt_poll_invalid; > + u64 halt_wakeup; > + u64 halt_poll_success_ns; > + u64 halt_poll_fail_ns; > +}; > > #endif /* __KVM_TYPES_H__ */ > diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c > index 6b4feb92dc79..34a4cf265297 100644 > --- a/virt/kvm/kvm_main.c > +++ b/virt/kvm/kvm_main.c > @@ -330,7 +330,7 @@ void kvm_flush_remote_tlbs(struct kvm *kvm) > */ > if (!kvm_arch_flush_remote_tlb(kvm) > || kvm_make_all_cpus_request(kvm, KVM_REQ_TLB_FLUSH)) > - ++kvm->stat.remote_tlb_flush; > + ++kvm->stat.common.remote_tlb_flush; > cmpxchg(&kvm->tlbs_dirty, dirty_count, 0); > } > EXPORT_SYMBOL_GPL(kvm_flush_remote_tlbs); > @@ -2940,9 +2940,9 @@ static inline void > update_halt_poll_stats(struct kvm_vcpu *vcpu, u64 poll_ns, bool waited) > { > if (waited) > - vcpu->stat.halt_poll_fail_ns += poll_ns; > + vcpu->stat.common.halt_poll_fail_ns += poll_ns; > else > - vcpu->stat.halt_poll_success_ns += poll_ns; > + vcpu->stat.common.halt_poll_success_ns += poll_ns; > } > > /* > @@ -2960,16 +2960,16 @@ void kvm_vcpu_block(struct kvm_vcpu *vcpu) > if (vcpu->halt_poll_ns && !kvm_arch_no_poll(vcpu)) { > ktime_t stop = ktime_add_ns(ktime_get(), vcpu->halt_poll_ns); > > - ++vcpu->stat.halt_attempted_poll; > + ++vcpu->stat.common.halt_attempted_poll; > do { > /* > * This sets KVM_REQ_UNHALT if an interrupt > * arrives. > */ > if (kvm_vcpu_check_block(vcpu) < 0) { > - ++vcpu->stat.halt_successful_poll; > + ++vcpu->stat.common.halt_successful_poll; > if (!vcpu_valid_wakeup(vcpu)) > - ++vcpu->stat.halt_poll_invalid; > + ++vcpu->stat.common.halt_poll_invalid; > goto out; > } > poll_end = cur = ktime_get(); > @@ -3027,7 +3027,7 @@ bool kvm_vcpu_wake_up(struct kvm_vcpu *vcpu) > waitp = kvm_arch_vcpu_get_wait(vcpu); > if (rcuwait_wake_up(waitp)) { > WRITE_ONCE(vcpu->ready, true); > - ++vcpu->stat.halt_wakeup; > + ++vcpu->stat.common.halt_wakeup; > return true; > } > > -- > 2.31.1.818.g46aad6cb9e-goog >