diff options
| author | Alexander Graf <agraf@suse.de> | 2010-08-02 12:51:07 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-10-24 10:52:02 +0200 |
| commit | 4c4eea7769d0099ea09f9bdb7aed1cc61d57c9d6 (patch) | |
| tree | 4a03091f6c7b9585859c8ad21ffedbf2b981c705 /arch | |
| parent | 82fdee7bce546c3ce38dcf0db6096eea73dbe7bd (diff) | |
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kvm/book3s_mmu_hpte.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/kvm/trace.h | 29 |
2 files changed, 32 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s_mmu_hpte.c b/arch/powerpc/kvm/book3s_mmu_hpte.c index 02c64ab99c97..ac94bd992564 100644 --- a/arch/powerpc/kvm/book3s_mmu_hpte.c +++ b/arch/powerpc/kvm/book3s_mmu_hpte.c @@ -21,6 +21,7 @@ #include <linux/kvm_host.h> #include <linux/hash.h> #include <linux/slab.h> +#include "trace.h" #include <asm/kvm_ppc.h> #include <asm/kvm_book3s.h> @@ -66,6 +67,8 @@ void kvmppc_mmu_hpte_cache_map(struct kvm_vcpu *vcpu, struct hpte_cache *pte) { u64 index; + trace_kvm_book3s_mmu_map(pte); + spin_lock(&vcpu->arch.mmu_lock); /* Add to ePTE list */ diff --git a/arch/powerpc/kvm/trace.h b/arch/powerpc/kvm/trace.h index 8ed6f1c7c86e..68a84442d799 100644 --- a/arch/powerpc/kvm/trace.h +++ b/arch/powerpc/kvm/trace.h @@ -181,6 +181,35 @@ TRACE_EVENT(kvm_book3s_64_mmu_map, #endif /* CONFIG_PPC_BOOK3S_64 */ +TRACE_EVENT(kvm_book3s_mmu_map, + 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("Map: 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 */ |