tracing, page-allocator: add trace events for page allocation and page freeing

[net-next-2.6.git] / include / trace / events / kmem.h

diff --git a/include/trace/events/kmem.h b/include/trace/events/kmem.h
index 1493c541f9c44566a21553c5947aa1fa93fc702e..0d358a0d45c1bbed47b272b5eb5febbe20140bef 100644 (file)
--- a/include/trace/events/kmem.h
+++ b/include/trace/events/kmem.h
@@ -225,6 +225,80 @@ TRACE_EVENT(kmem_cache_free,
 
        TP_printk("call_site=%lx ptr=%p", __entry->call_site, __entry->ptr)
 );
+
+TRACE_EVENT(mm_page_free_direct,
+
+       TP_PROTO(struct page *page, unsigned int order),
+
+       TP_ARGS(page, order),
+
+       TP_STRUCT__entry(
+               __field(        struct page *,  page            )
+               __field(        unsigned int,   order           )
+       ),
+
+       TP_fast_assign(
+               __entry->page           = page;
+               __entry->order          = order;
+       ),
+
+       TP_printk("page=%p pfn=%lu order=%d",
+                       __entry->page,
+                       page_to_pfn(__entry->page),
+                       __entry->order)
+);
+
+TRACE_EVENT(mm_pagevec_free,
+
+       TP_PROTO(struct page *page, int cold),
+
+       TP_ARGS(page, cold),
+
+       TP_STRUCT__entry(
+               __field(        struct page *,  page            )
+               __field(        int,            cold            )
+       ),
+
+       TP_fast_assign(
+               __entry->page           = page;
+               __entry->cold           = cold;
+       ),
+
+       TP_printk("page=%p pfn=%lu order=0 cold=%d",
+                       __entry->page,
+                       page_to_pfn(__entry->page),
+                       __entry->cold)
+);
+
+TRACE_EVENT(mm_page_alloc,
+
+       TP_PROTO(struct page *page, unsigned int order,
+                       gfp_t gfp_flags, int migratetype),
+
+       TP_ARGS(page, order, gfp_flags, migratetype),
+
+       TP_STRUCT__entry(
+               __field(        struct page *,  page            )
+               __field(        unsigned int,   order           )
+               __field(        gfp_t,          gfp_flags       )
+               __field(        int,            migratetype     )
+       ),
+
+       TP_fast_assign(
+               __entry->page           = page;
+               __entry->order          = order;
+               __entry->gfp_flags      = gfp_flags;
+               __entry->migratetype    = migratetype;
+       ),
+
+       TP_printk("page=%p pfn=%lu order=%d migratetype=%d gfp_flags=%s",
+               __entry->page,
+               page_to_pfn(__entry->page),
+               __entry->order,
+               __entry->migratetype,
+               show_gfp_flags(__entry->gfp_flags))
+);
+
 #endif /* _TRACE_KMEM_H */
 
 /* This part must be outside protection */