/* 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,
|
int lru
|
),
|
|
TP_ARGS(page, lru),
|
|
TP_STRUCT__entry(
|
__field(struct page *, page )
|
__field(unsigned long, pfn )
|
__field(int, lru )
|
__field(unsigned long, flags )
|
),
|
|
TP_fast_assign(
|
__entry->page = page;
|
__entry->pfn = page_to_pfn(page);
|
__entry->lru = lru;
|
__entry->flags = trace_pagemap_flags(page);
|
),
|
|
/* Flag format is based on page-types.c formatting for pagemap */
|
TP_printk("page=%p pfn=%lu 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=%lu", __entry->page, __entry->pfn)
|
|
);
|
|
#endif /* _TRACE_PAGEMAP_H */
|
|
/* This part must be outside protection */
|
#include <trace/define_trace.h>
|
