xen/trace: add ptpage alloc/release tracepoints

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

1 files changed, 33 insertions, 0 deletions

diff --git a/include/trace/events/xen.h b/include/trace/events/xen.h
index 08089e82f77e..f46fdb4afb89 100644
--- a/include/trace/events/xen.h
+++ b/include/trace/events/xen.h
@@ -347,6 +347,39 @@ TRACE_EVENT(xen_mmu_ptep_modify_prot_commit,
                       (int)sizeof(pteval_t) * 2, (unsigned long long)__entry->pteval)
         );
 
+TRACE_EVENT(xen_mmu_alloc_ptpage,
+            TP_PROTO(struct mm_struct *mm, unsigned long pfn, unsigned level, bool pinned),
+            TP_ARGS(mm, pfn, level, pinned),
+            TP_STRUCT__entry(
+                    __field(struct mm_struct *, mm)
+                    __field(unsigned long, pfn)
+                    __field(unsigned, level)
+                    __field(bool, pinned)
+                    ),
+            TP_fast_assign(__entry->mm = mm;
+                           __entry->pfn = pfn;
+                           __entry->level = level;
+                           __entry->pinned = pinned),
+            TP_printk("mm %p  pfn %lx  level %d  %spinned",
+                      __entry->mm, __entry->pfn, __entry->level,
+                      __entry->pinned ? "" : "un")
+        );
+
+TRACE_EVENT(xen_mmu_release_ptpage,
+            TP_PROTO(unsigned long pfn, unsigned level, bool pinned),
+            TP_ARGS(pfn, level, pinned),
+            TP_STRUCT__entry(
+                    __field(unsigned long, pfn)
+                    __field(unsigned, level)
+                    __field(bool, pinned)
+                    ),
+            TP_fast_assign(__entry->pfn = pfn;
+                           __entry->level = level;
+                           __entry->pinned = pinned),
+            TP_printk("pfn %lx  level %d  %spinned",
+                      __entry->pfn, __entry->level,
+                      __entry->pinned ? "" : "un")
+        );
 
 #endif /*  _TRACE_XEN_H */