84 lines · c
1/* SPDX-License-Identifier: GPL-2.0 */2#undef TRACE_SYSTEM3#define TRACE_SYSTEM pagemap4 5#if !defined(_TRACE_PAGEMAP_H) || defined(TRACE_HEADER_MULTI_READ)6#define _TRACE_PAGEMAP_H7 8#include <linux/tracepoint.h>9#include <linux/mm.h>10 11#define PAGEMAP_MAPPED 0x0001u12#define PAGEMAP_ANONYMOUS 0x0002u13#define PAGEMAP_FILE 0x0004u14#define PAGEMAP_SWAPCACHE 0x0008u15#define PAGEMAP_SWAPBACKED 0x0010u16#define PAGEMAP_MAPPEDDISK 0x0020u17#define PAGEMAP_BUFFERS 0x0040u18 19#define trace_pagemap_flags(folio) ( \20 (folio_test_anon(folio) ? PAGEMAP_ANONYMOUS : PAGEMAP_FILE) | \21 (folio_mapped(folio) ? PAGEMAP_MAPPED : 0) | \22 (folio_test_swapcache(folio) ? PAGEMAP_SWAPCACHE : 0) | \23 (folio_test_swapbacked(folio) ? PAGEMAP_SWAPBACKED : 0) | \24 (folio_test_mappedtodisk(folio) ? PAGEMAP_MAPPEDDISK : 0) | \25 (folio_test_private(folio) ? PAGEMAP_BUFFERS : 0) \26 )27 28TRACE_EVENT(mm_lru_insertion,29 30 TP_PROTO(struct folio *folio),31 32 TP_ARGS(folio),33 34 TP_STRUCT__entry(35 __field(struct folio *, folio )36 __field(unsigned long, pfn )37 __field(enum lru_list, lru )38 __field(unsigned long, flags )39 ),40 41 TP_fast_assign(42 __entry->folio = folio;43 __entry->pfn = folio_pfn(folio);44 __entry->lru = folio_lru_list(folio);45 __entry->flags = trace_pagemap_flags(folio);46 ),47 48 /* Flag format is based on page-types.c formatting for pagemap */49 TP_printk("folio=%p pfn=0x%lx lru=%d flags=%s%s%s%s%s%s",50 __entry->folio,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 61TRACE_EVENT(mm_lru_activate,62 63 TP_PROTO(struct folio *folio),64 65 TP_ARGS(folio),66 67 TP_STRUCT__entry(68 __field(struct folio *, folio )69 __field(unsigned long, pfn )70 ),71 72 TP_fast_assign(73 __entry->folio = folio;74 __entry->pfn = folio_pfn(folio);75 ),76 77 TP_printk("folio=%p pfn=0x%lx", __entry->folio, __entry->pfn)78);79 80#endif /* _TRACE_PAGEMAP_H */81 82/* This part must be outside protection */83#include <trace/define_trace.h>84