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Commit 8696ee43 authored by Alexander Graf's avatar Alexander Graf Committed by Avi Kivity
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KVM: PPC: Move pte invalidate debug code to tracepoint 



This patch moves the SPTE flush debug printk over to tracepoints.

Signed-off-by: default avatarAlexander Graf <agraf@suse.de>
parent 4c4eea77

arch/powerpc/kvm/book3s_mmu_hpte.c

+1 −2
Original line number Diff line number Diff line
@@ -104,8 +104,7 @@ static void invalidate_pte(struct kvm_vcpu *vcpu, struct hpte_cache *pte) 
	if (hlist_unhashed(&pte->list_pte))

		return;



	dprintk_mmu("KVM: Flushing SPT: 0x%lx (0x%llx) -> 0x%llx\n",

		    pte->pte.eaddr, pte->pte.vpage, pte->host_va);

	trace_kvm_book3s_mmu_invalidate(pte);



	/* Different for 32 and 64 bit */

	kvmppc_mmu_invalidate_pte(vcpu, pte);

arch/powerpc/kvm/trace.h

+29 −0
Original line number Diff line number Diff line
@@ -210,6 +210,35 @@ TRACE_EVENT(kvm_book3s_mmu_map, 
		  __entry->vpage, __entry->raddr, __entry->flags)

);



TRACE_EVENT(kvm_book3s_mmu_invalidate,

	TP_PROTO(struct hpte_cache *pte),

	TP_ARGS(pte),



	TP_STRUCT__entry(

		__field(	u64,		host_va		)

		__field(	u64,		pfn		)

		__field(	ulong,		eaddr		)

		__field(	u64,		vpage		)

		__field(	ulong,		raddr		)

		__field(	int,		flags		)

	),



	TP_fast_assign(

		__entry->host_va	= pte->host_va;

		__entry->pfn		= pte->pfn;

		__entry->eaddr		= pte->pte.eaddr;

		__entry->vpage		= pte->pte.vpage;

		__entry->raddr		= pte->pte.raddr;

		__entry->flags		= (pte->pte.may_read ? 0x4 : 0) |

					  (pte->pte.may_write ? 0x2 : 0) |

					  (pte->pte.may_execute ? 0x1 : 0);

	),



	TP_printk("Flush: hva=%llx pfn=%llx ea=%lx vp=%llx ra=%lx [%x]",

		  __entry->host_va, __entry->pfn, __entry->eaddr,

		  __entry->vpage, __entry->raddr, __entry->flags)

);



#endif /* CONFIG_PPC_BOOK3S */



#endif /* _TRACE_KVM_H */