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/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM pagemap
#if !defined(_TRACE_PAGEMAP_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_PAGEMAP_H
#include <linux/tracepoint.h>
#include <linux/mm.h>
#define PAGEMAP_MAPPED 0x0001u
#define PAGEMAP_ANONYMOUS 0x0002u
#define PAGEMAP_FILE 0x0004u
#define PAGEMAP_SWAPCACHE 0x0008u
#define PAGEMAP_SWAPBACKED 0x0010u
#define PAGEMAP_MAPPEDDISK 0x0020u
#define PAGEMAP_BUFFERS 0x0040u
#define trace_pagemap_flags(page) ( \
(PageAnon(page) ? PAGEMAP_ANONYMOUS : PAGEMAP_FILE) | \
(page_mapped(page) ? PAGEMAP_MAPPED : 0) | \
(PageSwapCache(page) ? PAGEMAP_SWAPCACHE : 0) | \
(PageSwapBacked(page) ? PAGEMAP_SWAPBACKED : 0) | \
(PageMappedToDisk(page) ? PAGEMAP_MAPPEDDISK : 0) | \
(page_has_private(page) ? PAGEMAP_BUFFERS : 0) \
)
TRACE_EVENT(mm_lru_insertion,
TP_PROTO(struct page *page),
TP_ARGS(page),
TP_STRUCT__entry(
__field(struct page *, page )
__field(unsigned long, pfn )
__field(enum lru_list, lru )
__field(unsigned long, flags )
),
TP_fast_assign(
__entry->page = page;
__entry->pfn = page_to_pfn(page);
__entry->lru = page_lru(page);
__entry->flags = trace_pagemap_flags(page);
),
/* Flag format is based on page-types.c formatting for pagemap */
TP_printk("page=%p pfn=0x%lx lru=%d flags=%s%s%s%s%s%s",
__entry->page,
__entry->pfn,
__entry->lru,
__entry->flags & PAGEMAP_MAPPED ? "M" : " ",
__entry->flags & PAGEMAP_ANONYMOUS ? "a" : "f",
__entry->flags & PAGEMAP_SWAPCACHE ? "s" : " ",
__entry->flags & PAGEMAP_SWAPBACKED ? "b" : " ",
__entry->flags & PAGEMAP_MAPPEDDISK ? "d" : " ",
__entry->flags & PAGEMAP_BUFFERS ? "B" : " ")
);
TRACE_EVENT(mm_lru_activate,
TP_PROTO(struct page *page),
TP_ARGS(page),
TP_STRUCT__entry(
__field(struct page *, page )
__field(unsigned long, pfn )
),
TP_fast_assign(
__entry->page = page;
__entry->pfn = page_to_pfn(page);
),
/* Flag format is based on page-types.c formatting for pagemap */
TP_printk("page=%p pfn=0x%lx", __entry->page, __entry->pfn)
);
#endif /* _TRACE_PAGEMAP_H */
/* This part must be outside protection */
#include <trace/define_trace.h>