diff options
| -rw-r--r-- | arch/powerpc/kvm/book3s_hv_rm_xics.c | 7 | ||||
| -rw-r--r-- | arch/powerpc/kvm/book3s_xics.c | 10 | ||||
| -rw-r--r-- | arch/powerpc/kvm/book3s_xics.h | 5 |
3 files changed, 20 insertions, 2 deletions
diff --git a/arch/powerpc/kvm/book3s_hv_rm_xics.c b/arch/powerpc/kvm/book3s_hv_rm_xics.c index 73bbe9246512..6dded8c75234 100644 --- a/arch/powerpc/kvm/book3s_hv_rm_xics.c +++ b/arch/powerpc/kvm/book3s_hv_rm_xics.c @@ -227,6 +227,7 @@ static void icp_rm_deliver_irq(struct kvmppc_xics *xics, struct kvmppc_icp *icp, ics = kvmppc_xics_find_ics(xics, new_irq, &src); if (!ics) { /* Unsafe increment, but this does not need to be accurate */ + xics->err_noics++; return; } state = &ics->irq_state[src]; @@ -239,6 +240,7 @@ static void icp_rm_deliver_irq(struct kvmppc_xics *xics, struct kvmppc_icp *icp, icp = kvmppc_xics_find_server(xics->kvm, state->server); if (!icp) { /* Unsafe increment again*/ + xics->err_noicp++; goto out; } } @@ -383,6 +385,7 @@ static void icp_rm_down_cppr(struct kvmppc_xics *xics, struct kvmppc_icp *icp, * separately here as well. */ if (resend) { + icp->n_check_resend++; icp_rm_check_resend(xics, icp); } } @@ -500,11 +503,13 @@ int kvmppc_rm_h_ipi(struct kvm_vcpu *vcpu, unsigned long server, /* Handle reject in real mode */ if (reject && reject != XICS_IPI) { + this_icp->n_reject++; icp_rm_deliver_irq(xics, icp, reject); } /* Handle resends in real mode */ if (resend) { + this_icp->n_check_resend++; icp_rm_check_resend(xics, icp); } @@ -566,6 +571,7 @@ int kvmppc_rm_h_cppr(struct kvm_vcpu *vcpu, unsigned long cppr) * attempt (see comments in icp_rm_deliver_irq). */ if (reject && reject != XICS_IPI) { + icp->n_reject++; icp_rm_deliver_irq(xics, icp, reject); } bail: @@ -616,6 +622,7 @@ int kvmppc_rm_h_eoi(struct kvm_vcpu *vcpu, unsigned long xirr) /* Still asserted, resend it */ if (state->asserted) { + icp->n_reject++; icp_rm_deliver_irq(xics, icp, irq); } diff --git a/arch/powerpc/kvm/book3s_xics.c b/arch/powerpc/kvm/book3s_xics.c index 5f7beebd36a6..8f3e6cc54d95 100644 --- a/arch/powerpc/kvm/book3s_xics.c +++ b/arch/powerpc/kvm/book3s_xics.c @@ -901,6 +901,7 @@ static int xics_debug_show(struct seq_file *m, void *private) unsigned long flags; unsigned long t_rm_kick_vcpu, t_rm_check_resend; unsigned long t_rm_reject, t_rm_notify_eoi; + unsigned long t_reject, t_check_resend; if (!kvm) return 0; @@ -909,6 +910,8 @@ static int xics_debug_show(struct seq_file *m, void *private) t_rm_notify_eoi = 0; t_rm_check_resend = 0; t_rm_reject = 0; + t_check_resend = 0; + t_reject = 0; seq_printf(m, "=========\nICP state\n=========\n"); @@ -928,12 +931,15 @@ static int xics_debug_show(struct seq_file *m, void *private) t_rm_notify_eoi += icp->n_rm_notify_eoi; t_rm_check_resend += icp->n_rm_check_resend; t_rm_reject += icp->n_rm_reject; + t_check_resend += icp->n_check_resend; + t_reject += icp->n_reject; } - seq_puts(m, "ICP Guest Real Mode exit totals: "); - seq_printf(m, "\tkick_vcpu=%lu check_resend=%lu reject=%lu notify_eoi=%lu\n", + seq_printf(m, "ICP Guest->Host totals: kick_vcpu=%lu check_resend=%lu reject=%lu notify_eoi=%lu\n", t_rm_kick_vcpu, t_rm_check_resend, t_rm_reject, t_rm_notify_eoi); + seq_printf(m, "ICP Real Mode totals: check_resend=%lu resend=%lu\n", + t_check_resend, t_reject); for (icsid = 0; icsid <= KVMPPC_XICS_MAX_ICS_ID; icsid++) { struct kvmppc_ics *ics = xics->ics[icsid]; diff --git a/arch/powerpc/kvm/book3s_xics.h b/arch/powerpc/kvm/book3s_xics.h index 055424c43249..56ea44f9867f 100644 --- a/arch/powerpc/kvm/book3s_xics.h +++ b/arch/powerpc/kvm/book3s_xics.h @@ -83,6 +83,9 @@ struct kvmppc_icp { unsigned long n_rm_check_resend; unsigned long n_rm_reject; unsigned long n_rm_notify_eoi; + /* Counters for handling ICP processing in real mode */ + unsigned long n_check_resend; + unsigned long n_reject; /* Debug stuff for real mode */ union kvmppc_icp_state rm_dbgstate; @@ -102,6 +105,8 @@ struct kvmppc_xics { u32 max_icsid; bool real_mode; bool real_mode_dbg; + u32 err_noics; + u32 err_noicp; struct kvmppc_ics *ics[KVMPPC_XICS_MAX_ICS_ID + 1]; }; |