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