xen/trace: add xen_pgd_(un)pin tracepoints

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/include/trace/events/xen.h b/include/trace/events/xen.h
index f46fdb4afb89..0b6056de2b00 100644
--- a/include/trace/events/xen.h
+++ b/include/trace/events/xen.h
@@ -381,6 +381,30 @@ TRACE_EVENT(xen_mmu_release_ptpage,
                       __entry->pinned ? "" : "un")
         );
 
+TRACE_EVENT(xen_mmu_pgd_pin,
+            TP_PROTO(struct mm_struct *mm, pgd_t *pgd),
+            TP_ARGS(mm, pgd),
+            TP_STRUCT__entry(
+                    __field(struct mm_struct *, mm)
+                    __field(pgd_t *, pgd)
+                    ),
+            TP_fast_assign(__entry->mm = mm;
+                           __entry->pgd = pgd),
+            TP_printk("mm %p pgd %p", __entry->mm, __entry->pgd)
+        );
+
+TRACE_EVENT(xen_mmu_pgd_unpin,
+            TP_PROTO(struct mm_struct *mm, pgd_t *pgd),
+            TP_ARGS(mm, pgd),
+            TP_STRUCT__entry(
+                    __field(struct mm_struct *, mm)
+                    __field(pgd_t *, pgd)
+                    ),
+            TP_fast_assign(__entry->mm = mm;
+                           __entry->pgd = pgd),
+            TP_printk("mm %p pgd %p", __entry->mm, __entry->pgd)
+        );
+
 #endif /*  _TRACE_XEN_H */
 
 /* This part must be outside protection */