1 #undef TRACE_SYSTEM 2 #define TRACE_SYSTEM filemap 3 4 #if !defined(_TRACE_FILEMAP_H) || defined(TRACE_HEADER_MULTI_READ) 5 #define _TRACE_FILEMAP_H 6 7 #include <linux/types.h> 8 #include <linux/tracepoint.h> 9 #include <linux/mm.h> 10 #include <linux/memcontrol.h> 11 #include <linux/device.h> 12 #include <linux/kdev_t.h> 13 14 DECLARE_EVENT_CLASS(mm_filemap_op_page_cache, 15 16 TP_PROTO(struct page *page), 17 18 TP_ARGS(page), 19 20 TP_STRUCT__entry( 21 __field(unsigned long, pfn) 22 __field(unsigned long, i_ino) 23 __field(unsigned long, index) 24 __field(dev_t, s_dev) 25 ), 26 27 TP_fast_assign( 28 __entry->pfn = page_to_pfn(page); 29 __entry->i_ino = page->mapping->host->i_ino; 30 __entry->index = page->index; 31 if (page->mapping->host->i_sb) 32 __entry->s_dev = page->mapping->host->i_sb->s_dev; 33 else 34 __entry->s_dev = page->mapping->host->i_rdev; 35 ), 36 37 TP_printk("dev %d:%d ino %lx page=%p pfn=%lu ofs=%lu", 38 MAJOR(__entry->s_dev), MINOR(__entry->s_dev), 39 __entry->i_ino, 40 pfn_to_page(__entry->pfn), 41 __entry->pfn, 42 __entry->index << PAGE_SHIFT) 43 ); 44 45 DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_delete_from_page_cache, 46 TP_PROTO(struct page *page), 47 TP_ARGS(page) 48 ); 49 50 DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_add_to_page_cache, 51 TP_PROTO(struct page *page), 52 TP_ARGS(page) 53 ); 54 55 #endif /* _TRACE_FILEMAP_H */ 56 57 /* This part must be outside protection */ 58 #include <trace/define_trace.h> 59