From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Thu, 31 Oct 2013 14:14:32 +0000 (-0400)
Subject: update: kmem instrumentation 3.12 kernel support
X-Git-Tag: v2.4.0-rc1~5
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=926b925690602310917356ebcac2fde83e8b354c;p=lttng-modules.git

update: kmem instrumentation 3.12 kernel support

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/instrumentation/events/lttng-module/kmem.h b/instrumentation/events/lttng-module/kmem.h
index 7607fc0c..2bc70a8d 100644
--- a/instrumentation/events/lttng-module/kmem.h
+++ b/instrumentation/events/lttng-module/kmem.h
@@ -286,6 +286,52 @@ DEFINE_EVENT_PRINT(mm_page, mm_page_pcpu_drain,
 		__entry->order, __entry->migratetype)
 )
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0))
+
+TRACE_EVENT(mm_page_alloc_extfrag,
+
+	TP_PROTO(struct page *page,
+			int alloc_order, int fallback_order,
+			int alloc_migratetype, int fallback_migratetype,
+			int change_ownership),
+
+	TP_ARGS(page,
+		alloc_order, fallback_order,
+		alloc_migratetype, fallback_migratetype,
+		change_ownership),
+
+	TP_STRUCT__entry(
+		__field_hex(	struct page *,	page			)
+		__field(	int,		alloc_order		)
+		__field(	int,		fallback_order		)
+		__field(	int,		alloc_migratetype	)
+		__field(	int,		fallback_migratetype	)
+		__field(	int,		change_ownership	)
+	),
+
+	TP_fast_assign(
+		tp_assign(page, page)
+		tp_assign(alloc_order, alloc_order)
+		tp_assign(fallback_order, fallback_order)
+		tp_assign(alloc_migratetype, alloc_migratetype)
+		tp_assign(fallback_migratetype, fallback_migratetype)
+		tp_assign(change_ownership, change_ownership)
+	),
+
+	TP_printk("page=%p pfn=%lu alloc_order=%d fallback_order=%d pageblock_order=%d alloc_migratetype=%d fallback_migratetype=%d fragmenting=%d change_ownership=%d",
+		__entry->page,
+		page_to_pfn(__entry->page),
+		__entry->alloc_order,
+		__entry->fallback_order,
+		pageblock_order,
+		__entry->alloc_migratetype,
+		__entry->fallback_migratetype,
+		__entry->fallback_order < pageblock_order,
+		__entry->change_ownership)
+)
+
+#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */
+
 TRACE_EVENT(mm_page_alloc_extfrag,
 
 	TP_PROTO(struct page *page,
@@ -323,6 +369,9 @@ TRACE_EVENT(mm_page_alloc_extfrag,
 		__entry->fallback_order < pageblock_order,
 		__entry->alloc_migratetype == __entry->fallback_migratetype)
 )
+
+#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */
+
 #endif
 
 #endif /* _TRACE_KMEM_H */