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Commit 3b4bd796 authored by Christian Ehrhardt's avatar Christian Ehrhardt Committed by Avi Kivity
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KVM: ppc: trace powerpc instruction emulation 



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

Signed-off-by: default avatarChristian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
Signed-off-by: default avatarAvi Kivity <avi@qumranet.com>
parent 31711f22

arch/powerpc/kvm/emulate.c

+2 −0
Original line number Diff line number Diff line
@@ -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. */

include/linux/kvm.h

+1 −0
Original line number Diff line number Diff line
@@ -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