Eric Lee / smarc-ti-linux-kernel

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include/trace/events/pagemap.h 2.1 KB
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  #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,
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  		int lru
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  	),
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  	TP_ARGS(page, lru),
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  	TP_STRUCT__entry(
  		__field(struct page *,	page	)
  		__field(unsigned long,	pfn	)
  		__field(int,		lru	)
  		__field(unsigned long,	flags	)
  	),
  
  	TP_fast_assign(
  		__entry->page	= page;
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  		__entry->pfn	= page_to_pfn(page);
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  		__entry->lru	= lru;
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  		__entry->flags	= trace_pagemap_flags(page);
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  	),
  
  	/* 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,
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  	TP_PROTO(struct page *page),
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  	TP_ARGS(page),









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  	TP_STRUCT__entry(
  		__field(struct page *,	page	)
  		__field(unsigned long,	pfn	)
  	),
  
  	TP_fast_assign(
  		__entry->page	= page;









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  		__entry->pfn	= page_to_pfn(page);









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  	),
  
  	/* 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>