KVM: PPC: Move slb debugging to tracepoints

This patch moves debugging printks for shadow SLB debugging over to tracepoints.

Signed-off-by: Alexander Graf <agraf@suse.de>

1 files changed, 73 insertions, 0 deletions

diff --git a/arch/powerpc/kvm/trace.h b/arch/powerpc/kvm/trace.h
index 23f757a69163..3aca1b042b8c 100644
--- a/arch/powerpc/kvm/trace.h
+++ b/arch/powerpc/kvm/trace.h
@@ -262,6 +262,79 @@ TRACE_EVENT(kvm_book3s_mmu_flush,
                   __entry->count, __entry->type, __entry->p1, __entry->p2)
 );
 
+TRACE_EVENT(kvm_book3s_slb_found,
+        TP_PROTO(unsigned long long gvsid, unsigned long long hvsid),
+        TP_ARGS(gvsid, hvsid),
+
+        TP_STRUCT__entry(
+                __field(        unsigned long long,     gvsid           )
+                __field(        unsigned long long,     hvsid           )
+        ),
+
+        TP_fast_assign(
+                __entry->gvsid          = gvsid;
+                __entry->hvsid          = hvsid;
+        ),
+
+        TP_printk("%llx -> %llx", __entry->gvsid, __entry->hvsid)
+);
+
+TRACE_EVENT(kvm_book3s_slb_fail,
+        TP_PROTO(u16 sid_map_mask, unsigned long long gvsid),
+        TP_ARGS(sid_map_mask, gvsid),
+
+        TP_STRUCT__entry(
+                __field(        unsigned short,         sid_map_mask    )
+                __field(        unsigned long long,     gvsid           )
+        ),
+
+        TP_fast_assign(
+                __entry->sid_map_mask   = sid_map_mask;
+                __entry->gvsid          = gvsid;
+        ),
+
+        TP_printk("%x/%x: %llx", __entry->sid_map_mask,
+                  SID_MAP_MASK - __entry->sid_map_mask, __entry->gvsid)
+);
+
+TRACE_EVENT(kvm_book3s_slb_map,
+        TP_PROTO(u16 sid_map_mask, unsigned long long gvsid,
+                 unsigned long long hvsid),
+        TP_ARGS(sid_map_mask, gvsid, hvsid),
+
+        TP_STRUCT__entry(
+                __field(        unsigned short,         sid_map_mask    )
+                __field(        unsigned long long,     guest_vsid      )
+                __field(        unsigned long long,     host_vsid       )
+        ),
+
+        TP_fast_assign(
+                __entry->sid_map_mask   = sid_map_mask;
+                __entry->guest_vsid     = gvsid;
+                __entry->host_vsid      = hvsid;
+        ),
+
+        TP_printk("%x: %llx -> %llx", __entry->sid_map_mask,
+                  __entry->guest_vsid, __entry->host_vsid)
+);
+
+TRACE_EVENT(kvm_book3s_slbmte,
+        TP_PROTO(u64 slb_vsid, u64 slb_esid),
+        TP_ARGS(slb_vsid, slb_esid),
+
+        TP_STRUCT__entry(
+                __field(        u64,    slb_vsid        )
+                __field(        u64,    slb_esid        )
+        ),
+
+        TP_fast_assign(
+                __entry->slb_vsid       = slb_vsid;
+                __entry->slb_esid       = slb_esid;
+        ),
+
+        TP_printk("%llx, %llx", __entry->slb_vsid, __entry->slb_esid)
+);
+
 #endif /* CONFIG_PPC_BOOK3S */
 
 #endif /* _TRACE_KVM_H */