Release 4.7 include/trace/events/pagemap.h

#undef TRACE_SYSTEM

#define TRACE_SYSTEM pagemap

#if !defined(_TRACE_PAGEMAP_H) || defined(TRACE_HEADER_MULTI_READ)

#define _TRACE_PAGEMAP_H

#include <linux/tracepoint.h>
#include <linux/mm.h>


#define	PAGEMAP_MAPPED		0x0001u

#define PAGEMAP_ANONYMOUS	0x0002u

#define PAGEMAP_FILE		0x0004u

#define PAGEMAP_SWAPCACHE	0x0008u

#define PAGEMAP_SWAPBACKED	0x0010u

#define PAGEMAP_MAPPEDDISK	0x0020u

#define PAGEMAP_BUFFERS		0x0040u


#define trace_pagemap_flags(page) ( \
        (PageAnon(page)         ? PAGEMAP_ANONYMOUS  : PAGEMAP_FILE) | \
        (page_mapped(page)      ? PAGEMAP_MAPPED     : 0) | \
        (PageSwapCache(page)    ? PAGEMAP_SWAPCACHE  : 0) | \
        (PageSwapBacked(page)   ? PAGEMAP_SWAPBACKED : 0) | \
        (PageMappedToDisk(page) ? PAGEMAP_MAPPEDDISK : 0) | \
        (page_has_private(page) ? PAGEMAP_BUFFERS    : 0) \
        )

TRACE_EVENT(mm_lru_insertion,

	TP_PROTO(
                struct page *page,
                int lru
        ),

	TP_ARGS(page, lru),

	TP_STRUCT__entry(
                __field(struct page *,  page    )
                __field(unsigned long,  pfn     )
                __field(int,            lru     )
                __field(unsigned long,  flags   )
        ),

	TP_fast_assign(
                __entry->page   = page;
                __entry->pfn    = page_to_pfn(page);
                __entry->lru    = lru;
                __entry->flags  = trace_pagemap_flags(page);
        ),

	/* Flag format is based on page-types.c formatting for pagemap */
	TP_printk("page=%p pfn=%lu lru=%d flags=%s%s%s%s%s%s",
                        __entry->page,
                        __entry->pfn,
                        __entry->lru,
                        __entry->flags & PAGEMAP_MAPPED         ? "M" : " ",
                        __entry->flags & PAGEMAP_ANONYMOUS      ? "a" : "f",
                        __entry->flags & PAGEMAP_SWAPCACHE      ? "s" : " ",
                        __entry->flags & PAGEMAP_SWAPBACKED     ? "b" : " ",
                        __entry->flags & PAGEMAP_MAPPEDDISK     ? "d" : " ",
                        __entry->flags & PAGEMAP_BUFFERS        ? "B" : " ")
);

TRACE_EVENT(mm_lru_activate,

	TP_PROTO(struct page *page),

	TP_ARGS(page),

	TP_STRUCT__entry(
                __field(struct page *,  page    )
                __field(unsigned long,  pfn     )
        ),

	TP_fast_assign(
                __entry->page   = page;
                __entry->pfn    = page_to_pfn(page);
        ),

	/* Flag format is based on page-types.c formatting for pagemap */
	TP_printk("page=%p pfn=%lu", __entry->page, __entry->pfn)

);

#endif /* _TRACE_PAGEMAP_H */

/* This part must be outside protection */
#include <trace/define_trace.h>
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Directory: include/trace/events

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