#if !defined(_TRACE_KMEM_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_KMEM_H
+#include <linux/types.h>
+#include <linux/tracepoint.h>
+#include <linux/version.h>
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
+#include <trace/events/gfpflags.h>
+#endif
+
DECLARE_EVENT_CLASS(kmem_alloc,
TP_PROTO(unsigned long call_site,
TP_ARGS(call_site, ptr)
)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
+TRACE_EVENT(mm_page_free,
+#else
TRACE_EVENT(mm_page_free_direct,
+#endif
TP_PROTO(struct page *page, unsigned int order),
__entry->order)
)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
+TRACE_EVENT(mm_page_free_batched,
+#else
TRACE_EVENT(mm_pagevec_free,
+#endif
TP_PROTO(struct page *page, int cold),
TP_printk("page=%p pfn=%lu order=%d migratetype=%d gfp_flags=%s",
__entry->page,
- page_to_pfn(__entry->page),
+ __entry->page ? page_to_pfn(__entry->page) : 0,
__entry->order,
__entry->migratetype,
show_gfp_flags(__entry->gfp_flags))
TP_printk("page=%p pfn=%lu order=%u migratetype=%d percpu_refill=%d",
__entry->page,
- page_to_pfn(__entry->page),
+ __entry->page ? page_to_pfn(__entry->page) : 0,
__entry->order,
__entry->migratetype,
__entry->order == 0)
DEFINE_EVENT_PRINT(mm_page, mm_page_pcpu_drain,
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33))
TP_PROTO(struct page *page, unsigned int order, int migratetype),
+#else
+ TP_PROTO(struct page *page, int order, int migratetype),
+#endif
TP_ARGS(page, order, migratetype),
__entry->fallback_order < pageblock_order,
__entry->alloc_migratetype == __entry->fallback_migratetype)
)
+#endif
#endif /* _TRACE_KMEM_H */