diff options
| -rw-r--r-- | arch/powerpc/include/asm/kvm_host.h | 3 | ||||
| -rw-r--r-- | arch/powerpc/kvm/book3s.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/kvm/book3s_hv_rm_xics.c | 18 |
3 files changed, 19 insertions, 5 deletions
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index 89ac1f6..ed30d2e 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -137,6 +137,9 @@ struct kvm_vcpu_stat { u64 ld_slow; u64 st_slow; #endif + u64 pthru_all; + u64 pthru_host; + u64 pthru_bad_aff; }; enum kvm_exit_types { diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c index 71eb8f3..ba231a1 100644 --- a/arch/powerpc/kvm/book3s.c +++ b/arch/powerpc/kvm/book3s.c @@ -68,6 +68,9 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { { "ld_slow", VCPU_STAT(ld_slow) }, { "st", VCPU_STAT(st) }, { "st_slow", VCPU_STAT(st_slow) }, + { "pthru_all", VCPU_STAT(pthru_all) }, + { "pthru_host", VCPU_STAT(pthru_host) }, + { "pthru_bad_aff", VCPU_STAT(pthru_bad_aff) }, { NULL } }; diff --git a/arch/powerpc/kvm/book3s_hv_rm_xics.c b/arch/powerpc/kvm/book3s_hv_rm_xics.c index 5f7527e..82ff5de 100644 --- a/arch/powerpc/kvm/book3s_hv_rm_xics.c +++ b/arch/powerpc/kvm/book3s_hv_rm_xics.c @@ -716,11 +716,19 @@ int kvmppc_rm_h_eoi(struct kvm_vcpu *vcpu, unsigned long xirr) icp->rm_eoied_irq = irq; } - if (state->host_irq && state->intr_cpu != -1) { - int pcpu = cpu_first_thread_sibling(raw_smp_processor_id()); - if (state->intr_cpu != pcpu) - xics_opal_rm_set_server(state->host_irq, pcpu); - state->intr_cpu = -1; + if (state->host_irq) { + ++vcpu->stat.pthru_all; + if (state->intr_cpu != -1) { + int pcpu = raw_smp_processor_id(); + + pcpu = cpu_first_thread_sibling(pcpu); + ++vcpu->stat.pthru_host; + if (state->intr_cpu != pcpu) { + ++vcpu->stat.pthru_bad_aff; + xics_opal_rm_set_server(state->host_irq, pcpu); + } + state->intr_cpu = -1; + } } bail: return check_too_hard(xics, icp); |