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From: Tianyu Lan <Tianyu.Lan@microsoft.com>
To: unlisted-recipients:; (no To-header on input)
Cc: Tianyu Lan <Tianyu.Lan@microsoft.com>,
	KY Srinivasan <kys@microsoft.com>,
	Haiyang Zhang <haiyangz@microsoft.com>,
	Stephen Hemminger <sthemmin@microsoft.com>,
	"tglx@linutronix.de" <tglx@linutronix.de>,
	"mingo@redhat.com" <mingo@redhat.com>,
	"hpa@zytor.com" <hpa@zytor.com>,
	"x86@kernel.org" <x86@kernel.org>,
	"pbonzini@redhat.com" <pbonzini@redhat.com>,
	"rkrcmar@redhat.com" <rkrcmar@redhat.com>,
	"devel@linuxdriverproject.org" <devel@linuxdriverproject.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	"Michael Kelley (EOSG)" <Michael.H.Kelley@microsoft.com>,
	vkuznets <vkuznets@redhat.com>,
	Jork Loeser <Jork.Loeser@microsoft.com>
Subject: [PATCH 11/13] x86/Hyper-v: Add trace in the hyperv_nested_flush_guest_mapping_range()
Date: Mon, 10 Sep 2018 08:39:34 +0000	[thread overview]
Message-ID: <20180910083806.65177-12-Tianyu.Lan@microsoft.com> (raw)
In-Reply-To: <20180910083806.65177-1-Tianyu.Lan@microsoft.com>

This patch is to trace log in the hyperv_nested_flush_
guest_mapping_range().

Signed-off-by: Lan Tianyu <Tianyu.Lan@microsoft.com>
---
 arch/x86/hyperv/nested.c            |  1 +
 arch/x86/include/asm/trace/hyperv.h | 14 ++++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/arch/x86/hyperv/nested.c b/arch/x86/hyperv/nested.c
index bb716ed94320..90e5eee1b410 100644
--- a/arch/x86/hyperv/nested.c
+++ b/arch/x86/hyperv/nested.c
@@ -161,6 +161,7 @@ int hyperv_flush_guest_mapping_range(u64 as, struct kvm_tlb_range *range)
 	if (!(status & HV_HYPERCALL_RESULT_MASK))
 		ret = 0;
 fault:
+	trace_hyperv_nested_flush_guest_mapping_range(as, ret);
 	return ret;
 }
 EXPORT_SYMBOL_GPL(hyperv_flush_guest_mapping_range);
diff --git a/arch/x86/include/asm/trace/hyperv.h b/arch/x86/include/asm/trace/hyperv.h
index 2e6245a023ef..ace464f09681 100644
--- a/arch/x86/include/asm/trace/hyperv.h
+++ b/arch/x86/include/asm/trace/hyperv.h
@@ -42,6 +42,20 @@ TRACE_EVENT(hyperv_nested_flush_guest_mapping,
 	    TP_printk("address space %llx ret %d", __entry->as, __entry->ret)
 	);
 
+TRACE_EVENT(hyperv_nested_flush_guest_mapping_range,
+	    TP_PROTO(u64 as, int ret),
+	    TP_ARGS(as, ret),
+
+	    TP_STRUCT__entry(
+		    __field(u64, as)
+		    __field(int, ret)
+		    ),
+	    TP_fast_assign(__entry->as = as;
+			   __entry->ret = ret;
+		    ),
+	    TP_printk("address space %llx ret %d", __entry->as, __entry->ret)
+	);
+
 TRACE_EVENT(hyperv_send_ipi_mask,
 	    TP_PROTO(const struct cpumask *cpus,
 		     int vector),
-- 
2.14.4

  parent reply	other threads:[~2018-09-10  8:39 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-10  8:38 [PATCH 00/13] x86/KVM/Hyper-v: Add HV ept tlb range flush hypercall support in KVM Tianyu Lan
2018-09-10  8:38 ` [PATCH 1/13] KVM: Add tlb_remote_flush_with_range callback in kvm_x86_ops Tianyu Lan
2018-09-10 14:21   ` Sean Christopherson
2018-09-12 13:40     ` Tianyu Lan
2018-09-10  8:38 ` [PATCH 2/13] KVM/MMU: Add tlb flush with range helper function Tianyu Lan
2018-09-10  8:38 ` [PATCH 3/13] KVM: Replace old tlb flush function with new one to flush a specified range Tianyu Lan
2018-09-10  8:38 ` [PATCH 4/13] KVM/MMU: Flush tlb directly in the kvm_handle_hva_range() Tianyu Lan
2018-09-10  8:38 ` [PATCH 5/13] KVM/MMU: Flush tlb directly in the kvm_zap_gfn_range() Tianyu Lan
2018-09-10  8:39 ` [PATCH 6/13] KVM/MMU: Flush tlb directly in kvm_mmu_zap_collapsible_spte() Tianyu Lan
2018-09-10  8:39 ` [PATCH 7/13] KVM: Add flush_link and parent_pte in the struct kvm_mmu_page Tianyu Lan
2018-09-10  8:39 ` [PATCH 8/13] KVM: Add spte's point " Tianyu Lan
2018-09-10  8:39 ` [PATCH 9/13] KVM/MMU: Replace tlb flush function with range list flush function Tianyu Lan
2018-09-10  8:39 ` [PATCH 10/13] x86/hyper-v: Add HvFlushGuestAddressList hypercall support Tianyu Lan
2018-09-12  0:22   ` Michael Kelley (EOSG)
2018-09-12 13:31     ` Tianyu Lan
2018-09-10  8:39 ` Tianyu Lan [this message]
2018-09-10  8:39 ` [PATCH 12/13] KVM/VMX: Change hv flush logic when ept tables are mismatched Tianyu Lan
2018-09-10  8:39 ` [PATCH 13/13] KVM/VMX: Add hv tlb range flush support Tianyu Lan

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