On Tue, May 25, 2021 at 4:36 PM David Matlack <dmatlack@xxxxxxxxxx> wrote: > > On Mon, May 24, 2021 at 8:18 AM Jing Zhang <jingzhangos@xxxxxxxxxx> 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 <dmatlack@xxxxxxxxxx> > > 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 <dmatlack@xxxxxxxxxx> > > [1] https://www.kernel.org/doc/html/v4.17/process/submitting-patches.html#reviewer-s-statement-of-oversight > > > Reviewed-by: Ricardo Koller <ricarkol@xxxxxxxxxx> > > Signed-off-by: Jing Zhang <jingzhangos@xxxxxxxxxx> > > --- > > 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 > > Thanks David! Jing
