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| author | Alexander Graf <agraf@suse.de> | 2010-08-02 12:55:19 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-10-24 10:52:03 +0200 |
| commit | 8696ee431233171b3c1cc82bae0193efc4fef2ac (patch) | |
| tree | ee3f85a7501d0b40901bb9c310bf90ad3984680b /arch/powerpc | |
| parent | KVM: PPC: Add tracepoint for generic mmu map (diff) | |
| download | linux-8696ee431233171b3c1cc82bae0193efc4fef2ac.tar.xz linux-8696ee431233171b3c1cc82bae0193efc4fef2ac.zip | |
KVM: PPC: Move pte invalidate debug code to tracepoint
This patch moves the SPTE flush debug printk over to tracepoints.
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/kvm/book3s_mmu_hpte.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/kvm/trace.h | 29 |
2 files changed, 30 insertions, 2 deletions
diff --git a/arch/powerpc/kvm/book3s_mmu_hpte.c b/arch/powerpc/kvm/book3s_mmu_hpte.c index ac94bd992564..3397152a2b26 100644 --- a/arch/powerpc/kvm/book3s_mmu_hpte.c +++ b/arch/powerpc/kvm/book3s_mmu_hpte.c @@ -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); diff --git a/arch/powerpc/kvm/trace.h b/arch/powerpc/kvm/trace.h index 68a84442d799..06ad93e40648 100644 --- a/arch/powerpc/kvm/trace.h +++ b/arch/powerpc/kvm/trace.h @@ -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 */ |