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Message-Id: <1222177614-26669-24-git-send-email-avi@redhat.com>
Date: Tue, 23 Sep 2008 16:46:37 +0300
From: Avi Kivity <avi@...hat.com>
To: linux-kernel@...r.kernel.org
Cc: kvm@...r.kernel.org,
Christian Ehrhardt <ehrhardt@...ux.vnet.ibm.com>
Subject: [PATCH 23/40] KVM: ppc: trace powerpc instruction emulation
From: Christian Ehrhardt <ehrhardt@...ux.vnet.ibm.com>
This patch adds a trace point for the instruction emulation on embedded powerpc
utilizing the KVM_TRACE interface.
Signed-off-by: Christian Ehrhardt <ehrhardt@...ux.vnet.ibm.com>
Signed-off-by: Avi Kivity <avi@...ranet.com>
---
arch/powerpc/kvm/emulate.c | 2 ++
include/linux/kvm.h | 1 +
2 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index 4a3e274..c3ed63b 100644
--- a/arch/powerpc/kvm/emulate.c
+++ b/arch/powerpc/kvm/emulate.c
@@ -769,6 +769,8 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
break;
}
+ KVMTRACE_3D(PPC_INSTR, vcpu, inst, vcpu->arch.pc, emulated, entryexit);
+
if (advance)
vcpu->arch.pc += 4; /* Advance past emulated instruction. */
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index e21a505..d29b648 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -474,5 +474,6 @@ struct kvm_trace_rec {
#define KVM_TRC_GTLB_WRITE (KVM_TRC_HANDLER + 0x16)
#define KVM_TRC_STLB_WRITE (KVM_TRC_HANDLER + 0x17)
#define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18)
+#define KVM_TRC_PPC_INSTR (KVM_TRC_HANDLER + 0x19)
#endif
--
1.6.0.1
--
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