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135 lines
3.0 KiB
135 lines
3.0 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#undef TRACE_SYSTEM |
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#define TRACE_SYSTEM page_ref |
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#if !defined(_TRACE_PAGE_REF_H) || defined(TRACE_HEADER_MULTI_READ) |
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#define _TRACE_PAGE_REF_H |
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#include <linux/types.h> |
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#include <linux/page_ref.h> |
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#include <linux/tracepoint.h> |
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#include <trace/events/mmflags.h> |
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DECLARE_EVENT_CLASS(page_ref_mod_template, |
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TP_PROTO(struct page *page, int v), |
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TP_ARGS(page, v), |
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TP_STRUCT__entry( |
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__field(unsigned long, pfn) |
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__field(unsigned long, flags) |
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__field(int, count) |
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__field(int, mapcount) |
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__field(void *, mapping) |
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__field(int, mt) |
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__field(int, val) |
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), |
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TP_fast_assign( |
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__entry->pfn = page_to_pfn(page); |
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__entry->flags = page->flags; |
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__entry->count = page_ref_count(page); |
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__entry->mapcount = page_mapcount(page); |
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__entry->mapping = page->mapping; |
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__entry->mt = get_pageblock_migratetype(page); |
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__entry->val = v; |
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), |
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TP_printk("pfn=0x%lx flags=%s count=%d mapcount=%d mapping=%p mt=%d val=%d", |
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__entry->pfn, |
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show_page_flags(__entry->flags & PAGEFLAGS_MASK), |
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__entry->count, |
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__entry->mapcount, __entry->mapping, __entry->mt, |
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__entry->val) |
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); |
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DEFINE_EVENT(page_ref_mod_template, page_ref_set, |
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TP_PROTO(struct page *page, int v), |
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TP_ARGS(page, v) |
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); |
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DEFINE_EVENT(page_ref_mod_template, page_ref_mod, |
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TP_PROTO(struct page *page, int v), |
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TP_ARGS(page, v) |
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); |
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DECLARE_EVENT_CLASS(page_ref_mod_and_test_template, |
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TP_PROTO(struct page *page, int v, int ret), |
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TP_ARGS(page, v, ret), |
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TP_STRUCT__entry( |
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__field(unsigned long, pfn) |
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__field(unsigned long, flags) |
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__field(int, count) |
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__field(int, mapcount) |
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__field(void *, mapping) |
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__field(int, mt) |
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__field(int, val) |
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__field(int, ret) |
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), |
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TP_fast_assign( |
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__entry->pfn = page_to_pfn(page); |
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__entry->flags = page->flags; |
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__entry->count = page_ref_count(page); |
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__entry->mapcount = page_mapcount(page); |
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__entry->mapping = page->mapping; |
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__entry->mt = get_pageblock_migratetype(page); |
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__entry->val = v; |
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__entry->ret = ret; |
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), |
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TP_printk("pfn=0x%lx flags=%s count=%d mapcount=%d mapping=%p mt=%d val=%d ret=%d", |
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__entry->pfn, |
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show_page_flags(__entry->flags & PAGEFLAGS_MASK), |
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__entry->count, |
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__entry->mapcount, __entry->mapping, __entry->mt, |
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__entry->val, __entry->ret) |
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); |
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DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_mod_and_test, |
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TP_PROTO(struct page *page, int v, int ret), |
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TP_ARGS(page, v, ret) |
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); |
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DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_mod_and_return, |
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TP_PROTO(struct page *page, int v, int ret), |
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TP_ARGS(page, v, ret) |
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); |
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DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_mod_unless, |
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TP_PROTO(struct page *page, int v, int ret), |
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TP_ARGS(page, v, ret) |
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); |
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DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_freeze, |
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TP_PROTO(struct page *page, int v, int ret), |
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TP_ARGS(page, v, ret) |
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); |
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DEFINE_EVENT(page_ref_mod_template, page_ref_unfreeze, |
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TP_PROTO(struct page *page, int v), |
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TP_ARGS(page, v) |
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); |
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#endif /* _TRACE_PAGE_COUNT_H */ |
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/* This part must be outside protection */ |
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#include <trace/define_trace.h>
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