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authorAlexander Graf <agraf@suse.de>2010-08-02 13:40:30 +0200
committerAvi Kivity <avi@redhat.com>2010-10-24 10:52:04 +0200
commitc60b4cf70127941e2f944a7971a7f6b3ecb367ac (patch)
tree1cd31df67b8bad110ad9c3c6bafb26840921ff92 /arch/powerpc/kvm/trace.h
parentc22c31963b4b0c23250e8f520a76427b3986b73b (diff)
KVM: PPC: Add tracepoints for generic spte flushes
The different ways of flusing shadow ptes have their own debug prints which use stupid old printk. Let's move them to tracepoints, making them easier available, faster and possible to activate on demand Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/kvm/trace.h')
-rw-r--r--arch/powerpc/kvm/trace.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/trace.h b/arch/powerpc/kvm/trace.h
index 06ad93e40648..23f757a69163 100644
--- a/arch/powerpc/kvm/trace.h
+++ b/arch/powerpc/kvm/trace.h
@@ -239,6 +239,29 @@ TRACE_EVENT(kvm_book3s_mmu_invalidate,
__entry->vpage, __entry->raddr, __entry->flags)
);
+TRACE_EVENT(kvm_book3s_mmu_flush,
+ TP_PROTO(const char *type, struct kvm_vcpu *vcpu, unsigned long long p1,
+ unsigned long long p2),
+ TP_ARGS(type, vcpu, p1, p2),
+
+ TP_STRUCT__entry(
+ __field( int, count )
+ __field( unsigned long long, p1 )
+ __field( unsigned long long, p2 )
+ __field( const char *, type )
+ ),
+
+ TP_fast_assign(
+ __entry->count = vcpu->arch.hpte_cache_count;
+ __entry->p1 = p1;
+ __entry->p2 = p2;
+ __entry->type = type;
+ ),
+
+ TP_printk("Flush %d %sPTEs: %llx - %llx",
+ __entry->count, __entry->type, __entry->p1, __entry->p2)
+);
+
#endif /* CONFIG_PPC_BOOK3S */
#endif /* _TRACE_KVM_H */