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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Paul Mackerras <paulus@ozlabs.org>
Cc: kvm@vger.kernel.org, kvm-ppc@vger.kernel.org,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: [PATCH v2 01/11] powerpc/kvm/xive: Add more debugfs queues info
Date: Thu, 23 Nov 2017 15:36:09 +1100	[thread overview]
Message-ID: <20171123043619.15301-1-benh@kernel.crashing.org> (raw)

Add details about enabled queues and escalation interrupts

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kvm/book3s_xive.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/arch/powerpc/kvm/book3s_xive.c b/arch/powerpc/kvm/book3s_xive.c
index bf457843e032..6cff5bdfd6b7 100644
--- a/arch/powerpc/kvm/book3s_xive.c
+++ b/arch/powerpc/kvm/book3s_xive.c
@@ -1794,6 +1794,7 @@ static int xive_debug_show(struct seq_file *m, void *private)
 
 	kvm_for_each_vcpu(i, vcpu, kvm) {
 		struct kvmppc_xive_vcpu *xc = vcpu->arch.xive_vcpu;
+		unsigned int i;
 
 		if (!xc)
 			continue;
@@ -1803,6 +1804,33 @@ static int xive_debug_show(struct seq_file *m, void *private)
 			   xc->server_num, xc->cppr, xc->hw_cppr,
 			   xc->mfrr, xc->pending,
 			   xc->stat_rm_h_xirr, xc->stat_vm_h_xirr);
+		for (i = 0; i < KVMPPC_XIVE_Q_COUNT; i++) {
+			struct xive_q *q = &xc->queues[i];
+			u32 i0, i1, idx;
+
+			if (!q->qpage && !xc->esc_virq[i])
+				continue;
+
+			seq_printf(m, " [q%d]: ", i);
+
+			if (q->qpage) {
+				idx = q->idx;
+				i0 = be32_to_cpup(q->qpage + idx);
+				idx = (idx + 1) & q->msk;
+				i1 = be32_to_cpup(q->qpage + idx);
+				seq_printf(m, "T=%d %08x %08x... \n", q->toggle, i0, i1);
+			}
+			if (xc->esc_virq[i]) {
+				struct irq_data *d = irq_get_irq_data(xc->esc_virq[i]);
+				struct xive_irq_data *xd = irq_data_get_irq_handler_data(d);
+				u64 pq = xive_vm_esb_load(xd, XIVE_ESB_GET);
+				seq_printf(m, "E:%c%c I(%d:%llx:%llx)",
+					   (pq & XIVE_ESB_VAL_P) ? 'P' : 'p',
+					   (pq & XIVE_ESB_VAL_Q) ? 'Q' : 'q',
+					   xc->esc_virq[i], pq, xd->eoi_page);
+				seq_printf(m, "\n");
+			}
+		}
 
 		t_rm_h_xirr += xc->stat_rm_h_xirr;
 		t_rm_h_ipoll += xc->stat_rm_h_ipoll;
-- 
2.14.3

WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Paul Mackerras <paulus@ozlabs.org>
Cc: kvm@vger.kernel.org, kvm-ppc@vger.kernel.org,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: [PATCH v2 01/11] powerpc/kvm/xive: Add more debugfs queues info
Date: Thu, 23 Nov 2017 04:36:09 +0000	[thread overview]
Message-ID: <20171123043619.15301-1-benh@kernel.crashing.org> (raw)

Add details about enabled queues and escalation interrupts

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kvm/book3s_xive.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/arch/powerpc/kvm/book3s_xive.c b/arch/powerpc/kvm/book3s_xive.c
index bf457843e032..6cff5bdfd6b7 100644
--- a/arch/powerpc/kvm/book3s_xive.c
+++ b/arch/powerpc/kvm/book3s_xive.c
@@ -1794,6 +1794,7 @@ static int xive_debug_show(struct seq_file *m, void *private)
 
 	kvm_for_each_vcpu(i, vcpu, kvm) {
 		struct kvmppc_xive_vcpu *xc = vcpu->arch.xive_vcpu;
+		unsigned int i;
 
 		if (!xc)
 			continue;
@@ -1803,6 +1804,33 @@ static int xive_debug_show(struct seq_file *m, void *private)
 			   xc->server_num, xc->cppr, xc->hw_cppr,
 			   xc->mfrr, xc->pending,
 			   xc->stat_rm_h_xirr, xc->stat_vm_h_xirr);
+		for (i = 0; i < KVMPPC_XIVE_Q_COUNT; i++) {
+			struct xive_q *q = &xc->queues[i];
+			u32 i0, i1, idx;
+
+			if (!q->qpage && !xc->esc_virq[i])
+				continue;
+
+			seq_printf(m, " [q%d]: ", i);
+
+			if (q->qpage) {
+				idx = q->idx;
+				i0 = be32_to_cpup(q->qpage + idx);
+				idx = (idx + 1) & q->msk;
+				i1 = be32_to_cpup(q->qpage + idx);
+				seq_printf(m, "T=%d %08x %08x... \n", q->toggle, i0, i1);
+			}
+			if (xc->esc_virq[i]) {
+				struct irq_data *d = irq_get_irq_data(xc->esc_virq[i]);
+				struct xive_irq_data *xd = irq_data_get_irq_handler_data(d);
+				u64 pq = xive_vm_esb_load(xd, XIVE_ESB_GET);
+				seq_printf(m, "E:%c%c I(%d:%llx:%llx)",
+					   (pq & XIVE_ESB_VAL_P) ? 'P' : 'p',
+					   (pq & XIVE_ESB_VAL_Q) ? 'Q' : 'q',
+					   xc->esc_virq[i], pq, xd->eoi_page);
+				seq_printf(m, "\n");
+			}
+		}
 
 		t_rm_h_xirr += xc->stat_rm_h_xirr;
 		t_rm_h_ipoll += xc->stat_rm_h_ipoll;
-- 
2.14.3


             reply	other threads:[~2017-11-23  4:40 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-23  4:36 Benjamin Herrenschmidt [this message]
2017-11-23  4:36 ` [PATCH v2 01/11] powerpc/kvm/xive: Add more debugfs queues info Benjamin Herrenschmidt
2017-11-23  4:36 ` [PATCH v2 02/11] powerpc/kvm/xive: Enable use of the new "single escalation" feature Benjamin Herrenschmidt
2017-11-23  4:36   ` Benjamin Herrenschmidt
2017-11-23  4:36 ` [PATCH v2 03/11] powerpc/kvm/xive: Don't use existing "prodded" flag for xive escalations Benjamin Herrenschmidt
2017-11-23  4:36   ` Benjamin Herrenschmidt
2017-11-23  4:36 ` [PATCH v2 04/11] powerpc/kvm/xive: Check DR not IR to chose real vs virt mode MMIOs Benjamin Herrenschmidt
2017-11-23  4:36   ` Benjamin Herrenschmidt
2017-11-23  4:36 ` [PATCH v2 05/11] powerpc/kvm/xive: Make xive_pushed a byte, not a word Benjamin Herrenschmidt
2017-11-23  4:36   ` Benjamin Herrenschmidt
2017-11-23  4:36 ` [PATCH v2 06/11] powerpc/xive: Move definition of ESB bits Benjamin Herrenschmidt
2017-11-23  4:36   ` Benjamin Herrenschmidt
2017-11-23  4:36 ` [PATCH v2 07/11] powerpc/xive: Add interrupt flag to disable automatic EOI Benjamin Herrenschmidt
2017-11-23  4:36   ` Benjamin Herrenschmidt
2017-11-23  4:36 ` [PATCH v2 08/11] powerpc/kvm/xive: Keep escalation interrupt masked unless ceded Benjamin Herrenschmidt
2017-11-23  4:36   ` Benjamin Herrenschmidt
2017-11-25  4:56   ` Paul Mackerras
2017-11-25  4:56     ` Paul Mackerras
2017-11-26 21:55     ` Benjamin Herrenschmidt
2017-11-26 21:55       ` Benjamin Herrenschmidt
2017-11-23  4:36 ` [PATCH v2 09/11] powerpc/kvm: Make "no_xive:" label local Benjamin Herrenschmidt
2017-11-23  4:36   ` Benjamin Herrenschmidt
2017-11-23  4:36 ` [PATCH v2 10/11] powerpc/kvm: Store the MMU mode in the PACA on KVM exit Benjamin Herrenschmidt
2017-11-23  4:36   ` Benjamin Herrenschmidt
2017-11-24 15:15   ` kbuild test robot
2017-11-24 15:15     ` kbuild test robot
2017-11-25  5:03   ` Paul Mackerras
2017-11-25  5:03     ` Paul Mackerras
2017-11-26 21:57     ` Benjamin Herrenschmidt
2017-11-26 21:57       ` Benjamin Herrenschmidt
2017-11-23  4:36 ` [PATCH v2 11/11] powerpc/kvm: Use the PACA virt/real mode info instead of mfmsr Benjamin Herrenschmidt
2017-11-23  4:36   ` Benjamin Herrenschmidt
2017-11-25  5:17   ` Paul Mackerras
2017-11-25  5:17     ` Paul Mackerras
2017-11-26 21:58     ` Benjamin Herrenschmidt
2017-11-26 21:58       ` Benjamin Herrenschmidt

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