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KVM: PPC: Add tracepoint for generic mmu map
This patch moves the generic mmu map debugging over to tracepoints. Signed-off-by: Alexander Graf <agraf@suse.de>
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2 changed files with 32 additions and 0 deletions
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@ -21,6 +21,7 @@
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#include <linux/kvm_host.h>
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#include <linux/hash.h>
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#include <linux/slab.h>
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#include "trace.h"
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#include <asm/kvm_ppc.h>
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#include <asm/kvm_book3s.h>
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@ -66,6 +67,8 @@ void kvmppc_mmu_hpte_cache_map(struct kvm_vcpu *vcpu, struct hpte_cache *pte)
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{
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u64 index;
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trace_kvm_book3s_mmu_map(pte);
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spin_lock(&vcpu->arch.mmu_lock);
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/* Add to ePTE list */
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@ -181,6 +181,35 @@ TRACE_EVENT(kvm_book3s_64_mmu_map,
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#endif /* CONFIG_PPC_BOOK3S_64 */
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TRACE_EVENT(kvm_book3s_mmu_map,
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TP_PROTO(struct hpte_cache *pte),
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TP_ARGS(pte),
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TP_STRUCT__entry(
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__field( u64, host_va )
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__field( u64, pfn )
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__field( ulong, eaddr )
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__field( u64, vpage )
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__field( ulong, raddr )
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__field( int, flags )
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),
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TP_fast_assign(
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__entry->host_va = pte->host_va;
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__entry->pfn = pte->pfn;
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__entry->eaddr = pte->pte.eaddr;
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__entry->vpage = pte->pte.vpage;
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__entry->raddr = pte->pte.raddr;
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__entry->flags = (pte->pte.may_read ? 0x4 : 0) |
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(pte->pte.may_write ? 0x2 : 0) |
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(pte->pte.may_execute ? 0x1 : 0);
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),
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TP_printk("Map: hva=%llx pfn=%llx ea=%lx vp=%llx ra=%lx [%x]",
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__entry->host_va, __entry->pfn, __entry->eaddr,
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__entry->vpage, __entry->raddr, __entry->flags)
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);
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#endif /* CONFIG_PPC_BOOK3S */
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#endif /* _TRACE_KVM_H */
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