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kernel/linux-imx6_3.14.28/include/trace/events/filemap.h 1.33 KB
6b13f685e   김민수   BSP 최초 추가
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  #undef TRACE_SYSTEM
  #define TRACE_SYSTEM filemap
  
  #if !defined(_TRACE_FILEMAP_H) || defined(TRACE_HEADER_MULTI_READ)
  #define _TRACE_FILEMAP_H
  
  #include <linux/types.h>
  #include <linux/tracepoint.h>
  #include <linux/mm.h>
  #include <linux/memcontrol.h>
  #include <linux/device.h>
  #include <linux/kdev_t.h>
  
  DECLARE_EVENT_CLASS(mm_filemap_op_page_cache,
  
  	TP_PROTO(struct page *page),
  
  	TP_ARGS(page),
  
  	TP_STRUCT__entry(
  		__field(struct page *, page)
  		__field(unsigned long, i_ino)
  		__field(unsigned long, index)
  		__field(dev_t, s_dev)
  	),
  
  	TP_fast_assign(
  		__entry->page = page;
  		__entry->i_ino = page->mapping->host->i_ino;
  		__entry->index = page->index;
  		if (page->mapping->host->i_sb)
  			__entry->s_dev = page->mapping->host->i_sb->s_dev;
  		else
  			__entry->s_dev = page->mapping->host->i_rdev;
  	),
  
  	TP_printk("dev %d:%d ino %lx page=%p pfn=%lu ofs=%lu",
  		MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
  		__entry->i_ino,
  		__entry->page,
  		page_to_pfn(__entry->page),
  		__entry->index << PAGE_SHIFT)
  );
  
  DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_delete_from_page_cache,
  	TP_PROTO(struct page *page),
  	TP_ARGS(page)
  	);
  
  DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_add_to_page_cache,
  	TP_PROTO(struct page *page),
  	TP_ARGS(page)
  	);
  
  #endif /* _TRACE_FILEMAP_H */
  
  /* This part must be outside protection */
  #include <trace/define_trace.h>