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authorAlexander Graf <agraf@suse.de>2010-08-02 11:40:30 (GMT)
committerAvi Kivity <avi@redhat.com>2010-10-24 08:52:04 (GMT)
commitc60b4cf70127941e2f944a7971a7f6b3ecb367ac (patch)
tree1cd31df67b8bad110ad9c3c6bafb26840921ff92 /arch/powerpc/kvm/trace.h
parentc22c31963b4b0c23250e8f520a76427b3986b73b (diff)
downloadlinux-c60b4cf70127941e2f944a7971a7f6b3ecb367ac.tar.xz
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 06ad93e..23f757a 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 */