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KVM: ppc: trace powerpc instruction emulation

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This patch adds a trace point for the instruction emulation on embedded powerpc
utilizing the KVM_TRACE interface.

Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Christian Ehrhardt 2008-07-14 14:00:04 +02:00 committed by Avi Kivity
parent 31711f2294
commit 3b4bd7969f
2 changed files with 3 additions and 0 deletions
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2
arch/powerpc/kvm/emulate.c
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@ -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. */

1
include/linux/kvm.h
View File

@ -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