84 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			84 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* SPDX-License-Identifier: GPL-2.0 */
 | 
						|
#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(folio) ( \
 | 
						|
	(folio_test_anon(folio)		? PAGEMAP_ANONYMOUS  : PAGEMAP_FILE) | \
 | 
						|
	(folio_mapped(folio)		? PAGEMAP_MAPPED     : 0) | \
 | 
						|
	(folio_test_swapcache(folio)	? PAGEMAP_SWAPCACHE  : 0) | \
 | 
						|
	(folio_test_swapbacked(folio)	? PAGEMAP_SWAPBACKED : 0) | \
 | 
						|
	(folio_test_mappedtodisk(folio)	? PAGEMAP_MAPPEDDISK : 0) | \
 | 
						|
	(folio_test_private(folio)	? PAGEMAP_BUFFERS    : 0) \
 | 
						|
	)
 | 
						|
 | 
						|
TRACE_EVENT(mm_lru_insertion,
 | 
						|
 | 
						|
	TP_PROTO(struct folio *folio),
 | 
						|
 | 
						|
	TP_ARGS(folio),
 | 
						|
 | 
						|
	TP_STRUCT__entry(
 | 
						|
		__field(struct folio *,	folio	)
 | 
						|
		__field(unsigned long,	pfn	)
 | 
						|
		__field(enum lru_list,	lru	)
 | 
						|
		__field(unsigned long,	flags	)
 | 
						|
	),
 | 
						|
 | 
						|
	TP_fast_assign(
 | 
						|
		__entry->folio	= folio;
 | 
						|
		__entry->pfn	= folio_pfn(folio);
 | 
						|
		__entry->lru	= folio_lru_list(folio);
 | 
						|
		__entry->flags	= trace_pagemap_flags(folio);
 | 
						|
	),
 | 
						|
 | 
						|
	/* Flag format is based on page-types.c formatting for pagemap */
 | 
						|
	TP_printk("folio=%p pfn=0x%lx lru=%d flags=%s%s%s%s%s%s",
 | 
						|
			__entry->folio,
 | 
						|
			__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 folio *folio),
 | 
						|
 | 
						|
	TP_ARGS(folio),
 | 
						|
 | 
						|
	TP_STRUCT__entry(
 | 
						|
		__field(struct folio *,	folio	)
 | 
						|
		__field(unsigned long,	pfn	)
 | 
						|
	),
 | 
						|
 | 
						|
	TP_fast_assign(
 | 
						|
		__entry->folio	= folio;
 | 
						|
		__entry->pfn	= folio_pfn(folio);
 | 
						|
	),
 | 
						|
 | 
						|
	TP_printk("folio=%p pfn=0x%lx", __entry->folio, __entry->pfn)
 | 
						|
);
 | 
						|
 | 
						|
#endif /* _TRACE_PAGEMAP_H */
 | 
						|
 | 
						|
/* This part must be outside protection */
 | 
						|
#include <trace/define_trace.h>
 |