136 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			136 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0 */
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| #undef TRACE_SYSTEM
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| #define TRACE_SYSTEM page_ref
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| 
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| #if !defined(_TRACE_PAGE_REF_H) || defined(TRACE_HEADER_MULTI_READ)
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| #define _TRACE_PAGE_REF_H
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| 
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| #include <linux/types.h>
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| #include <linux/page_ref.h>
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| #include <linux/tracepoint.h>
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| #include <trace/events/mmflags.h>
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| 
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| DECLARE_EVENT_CLASS(page_ref_mod_template,
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| 
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| 	TP_PROTO(struct page *page, int v),
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| 
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| 	TP_ARGS(page, v),
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| 
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| 	TP_STRUCT__entry(
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| 		__field(unsigned long, pfn)
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| 		__field(unsigned long, flags)
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| 		__field(int, count)
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| 		__field(int, mapcount)
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| 		__field(void *, mapping)
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| 		__field(int, mt)
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| 		__field(int, val)
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| 	),
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| 
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| 	TP_fast_assign(
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| 		__entry->pfn = page_to_pfn(page);
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| 		__entry->flags = page->flags;
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| 		__entry->count = page_ref_count(page);
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| 		__entry->mapcount = page_mapcount(page);
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| 		__entry->mapping = page->mapping;
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| 		__entry->mt = get_pageblock_migratetype(page);
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| 		__entry->val = v;
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| 	),
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| 
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| 	TP_printk("pfn=0x%lx flags=%s count=%d mapcount=%d mapping=%p mt=%d val=%d",
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| 		__entry->pfn,
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| 		show_page_flags(__entry->flags & ((1UL << NR_PAGEFLAGS) - 1)),
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| 		__entry->count,
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| 		__entry->mapcount, __entry->mapping, __entry->mt,
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| 		__entry->val)
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| );
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| 
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| DEFINE_EVENT(page_ref_mod_template, page_ref_set,
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| 
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| 	TP_PROTO(struct page *page, int v),
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| 
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| 	TP_ARGS(page, v)
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| );
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| 
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| DEFINE_EVENT(page_ref_mod_template, page_ref_mod,
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| 
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| 	TP_PROTO(struct page *page, int v),
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| 
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| 	TP_ARGS(page, v)
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| );
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| 
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| DECLARE_EVENT_CLASS(page_ref_mod_and_test_template,
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| 
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| 	TP_PROTO(struct page *page, int v, int ret),
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| 
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| 	TP_ARGS(page, v, ret),
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| 
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| 	TP_STRUCT__entry(
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| 		__field(unsigned long, pfn)
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| 		__field(unsigned long, flags)
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| 		__field(int, count)
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| 		__field(int, mapcount)
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| 		__field(void *, mapping)
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| 		__field(int, mt)
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| 		__field(int, val)
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| 		__field(int, ret)
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| 	),
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| 
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| 	TP_fast_assign(
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| 		__entry->pfn = page_to_pfn(page);
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| 		__entry->flags = page->flags;
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| 		__entry->count = page_ref_count(page);
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| 		__entry->mapcount = page_mapcount(page);
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| 		__entry->mapping = page->mapping;
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| 		__entry->mt = get_pageblock_migratetype(page);
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| 		__entry->val = v;
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| 		__entry->ret = ret;
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| 	),
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| 
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| 	TP_printk("pfn=0x%lx flags=%s count=%d mapcount=%d mapping=%p mt=%d val=%d ret=%d",
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| 		__entry->pfn,
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| 		show_page_flags(__entry->flags & ((1UL << NR_PAGEFLAGS) - 1)),
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| 		__entry->count,
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| 		__entry->mapcount, __entry->mapping, __entry->mt,
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| 		__entry->val, __entry->ret)
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| );
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| 
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| DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_mod_and_test,
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| 
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| 	TP_PROTO(struct page *page, int v, int ret),
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| 
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| 	TP_ARGS(page, v, ret)
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| );
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| 
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| DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_mod_and_return,
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| 
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| 	TP_PROTO(struct page *page, int v, int ret),
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| 
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| 	TP_ARGS(page, v, ret)
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| );
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| 
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| DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_mod_unless,
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| 
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| 	TP_PROTO(struct page *page, int v, int ret),
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| 
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| 	TP_ARGS(page, v, ret)
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| );
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| 
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| DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_freeze,
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| 
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| 	TP_PROTO(struct page *page, int v, int ret),
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| 
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| 	TP_ARGS(page, v, ret)
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| );
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| 
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| DEFINE_EVENT(page_ref_mod_template, page_ref_unfreeze,
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| 
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| 	TP_PROTO(struct page *page, int v),
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| 
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| 	TP_ARGS(page, v)
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| );
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| 
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| #endif /* _TRACE_PAGE_COUNT_H */
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| 
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| /* This part must be outside protection */
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| #include <trace/define_trace.h>
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