Line data    Source code

       1             : /* SPDX-License-Identifier: GPL-2.0 */
       2             : #undef TRACE_SYSTEM
       3             : #define TRACE_SYSTEM pagemap
       4             : 
       5             : #if !defined(_TRACE_PAGEMAP_H) || defined(TRACE_HEADER_MULTI_READ)
       6             : #define _TRACE_PAGEMAP_H
       7             : 
       8             : #include <linux/tracepoint.h>
       9             : #include <linux/mm.h>
      10             : 
      11             : #define PAGEMAP_MAPPED          0x0001u
      12             : #define PAGEMAP_ANONYMOUS       0x0002u
      13             : #define PAGEMAP_FILE            0x0004u
      14             : #define PAGEMAP_SWAPCACHE       0x0008u
      15             : #define PAGEMAP_SWAPBACKED      0x0010u
      16             : #define PAGEMAP_MAPPEDDISK      0x0020u
      17             : #define PAGEMAP_BUFFERS         0x0040u
      18             : 
      19             : #define trace_pagemap_flags(page) ( \
      20             :         (PageAnon(page)         ? PAGEMAP_ANONYMOUS  : PAGEMAP_FILE) | \
      21             :         (page_mapped(page)      ? PAGEMAP_MAPPED     : 0) | \
      22             :         (PageSwapCache(page)    ? PAGEMAP_SWAPCACHE  : 0) | \
      23             :         (PageSwapBacked(page)   ? PAGEMAP_SWAPBACKED : 0) | \
      24             :         (PageMappedToDisk(page) ? PAGEMAP_MAPPEDDISK : 0) | \
      25             :         (page_has_private(page) ? PAGEMAP_BUFFERS    : 0) \
      26             :         )
      27             : 
      28      192654 : TRACE_EVENT(mm_lru_insertion,
      29             : 
      30             :         TP_PROTO(struct page *page),
      31             : 
      32             :         TP_ARGS(page),
      33             : 
      34             :         TP_STRUCT__entry(
      35             :                 __field(struct page *,  page    )
      36             :                 __field(unsigned long,  pfn     )
      37             :                 __field(enum lru_list,  lru     )
      38             :                 __field(unsigned long,  flags   )
      39             :         ),
      40             : 
      41             :         TP_fast_assign(
      42             :                 __entry->page        = page;
      43             :                 __entry->pfn = page_to_pfn(page);
      44             :                 __entry->lru = page_lru(page);
      45             :                 __entry->flags       = trace_pagemap_flags(page);
      46             :         ),
      47             : 
      48             :         /* Flag format is based on page-types.c formatting for pagemap */
      49             :         TP_printk("page=%p pfn=%lu lru=%d flags=%s%s%s%s%s%s",
      50             :                         __entry->page,
      51             :                         __entry->pfn,
      52             :                         __entry->lru,
      53             :                         __entry->flags & PAGEMAP_MAPPED          ? "M" : " ",
      54             :                         __entry->flags & PAGEMAP_ANONYMOUS       ? "a" : "f",
      55             :                         __entry->flags & PAGEMAP_SWAPCACHE       ? "s" : " ",
      56             :                         __entry->flags & PAGEMAP_SWAPBACKED      ? "b" : " ",
      57             :                         __entry->flags & PAGEMAP_MAPPEDDISK      ? "d" : " ",
      58             :                         __entry->flags & PAGEMAP_BUFFERS ? "B" : " ")
      59             : );
      60             : 
      61       34270 : TRACE_EVENT(mm_lru_activate,
      62             : 
      63             :         TP_PROTO(struct page *page),
      64             : 
      65             :         TP_ARGS(page),
      66             : 
      67             :         TP_STRUCT__entry(
      68             :                 __field(struct page *,  page    )
      69             :                 __field(unsigned long,  pfn     )
      70             :         ),
      71             : 
      72             :         TP_fast_assign(
      73             :                 __entry->page        = page;
      74             :                 __entry->pfn = page_to_pfn(page);
      75             :         ),
      76             : 
      77             :         /* Flag format is based on page-types.c formatting for pagemap */
      78             :         TP_printk("page=%p pfn=%lu", __entry->page, __entry->pfn)
      79             : 
      80             : );
      81             : 
      82             : #endif /* _TRACE_PAGEMAP_H */
      83             : 
      84             : /* This part must be outside protection */
      85             : #include <trace/define_trace.h>