kmem.h File Reference

#include <linux/types.h>
#include <linux/tracepoint.h>
#include <trace/events/gfpflags.h>
#include <trace/define_trace.h>

Go to the source code of this file.

Macros
#define	TRACE_SYSTEM   kmem
#define	_TRACE_KMEM_H

Functions
	DECLARE_EVENT_CLASS (kmem_alloc, TP_PROTO(unsigned long call_site, const void *ptr, size_t bytes_req, size_t bytes_alloc, gfp_t gfp_flags), TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags), TP_STRUCT__entry(__field(unsigned long, call_site) __field(const void *, ptr) __field(size_t, bytes_req) __field(size_t, bytes_alloc) __field(gfp_t, gfp_flags)), TP_fast_assign(__entry->call_site=call_site;__entry->ptr=ptr;__entry->bytes_req=bytes_req;__entry->bytes_alloc=bytes_alloc;__entry->gfp_flags=gfp_flags;), TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s", __entry->call_site, __entry->ptr, __entry->bytes_req, __entry->bytes_alloc, show_gfp_flags(__entry->gfp_flags)))
	DEFINE_EVENT (kmem_alloc, kmalloc, TP_PROTO(unsigned long call_site, const void *ptr, size_t bytes_req, size_t bytes_alloc, gfp_t gfp_flags),)
	DEFINE_EVENT (kmem_alloc, kmem_cache_alloc, TP_PROTO(unsigned long call_site, const void *ptr, size_t bytes_req, size_t bytes_alloc, gfp_t gfp_flags),)
	DECLARE_EVENT_CLASS (kmem_alloc_node, TP_PROTO(unsigned long call_site, const void *ptr, size_t bytes_req, size_t bytes_alloc, gfp_t gfp_flags, int node), TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node), TP_STRUCT__entry(__field(unsigned long, call_site) __field(const void *, ptr) __field(size_t, bytes_req) __field(size_t, bytes_alloc) __field(gfp_t, gfp_flags) __field(int, node)), TP_fast_assign(__entry->call_site=call_site;__entry->ptr=ptr;__entry->bytes_req=bytes_req;__entry->bytes_alloc=bytes_alloc;__entry->gfp_flags=gfp_flags;__entry->node=node;), TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s node=%d", __entry->call_site, __entry->ptr, __entry->bytes_req, __entry->bytes_alloc, show_gfp_flags(__entry->gfp_flags), __entry->node))
	DEFINE_EVENT (kmem_alloc_node, kmalloc_node, TP_PROTO(unsigned long call_site, const void *ptr, size_t bytes_req, size_t bytes_alloc, gfp_t gfp_flags, int node),)
	DEFINE_EVENT (kmem_alloc_node, kmem_cache_alloc_node, TP_PROTO(unsigned long call_site, const void *ptr, size_t bytes_req, size_t bytes_alloc, gfp_t gfp_flags, int node),)
	DECLARE_EVENT_CLASS (kmem_free, TP_PROTO(unsigned long call_site, const void *ptr), TP_ARGS(call_site, ptr), TP_STRUCT__entry(__field(unsigned long, call_site) __field(const void *, ptr)), TP_fast_assign(__entry->call_site=call_site;__entry->ptr=ptr;), TP_printk("call_site=%lx ptr=%p", __entry->call_site, __entry->ptr))
	DEFINE_EVENT (kmem_free, kfree, TP_PROTO(unsigned long call_site, const void *ptr),)
	DEFINE_EVENT (kmem_free, kmem_cache_free, TP_PROTO(unsigned long call_site, const void *ptr),)
	TRACE_EVENT (mm_page_free, TP_PROTO(struct page *page, unsigned int order), TP_ARGS(page, order), TP_STRUCT__entry(__field(struct page *, page) __field(unsigned int, order)), TP_fast_assign(__entry->page=page;__entry->order=order;), TP_printk("page=%p pfn=%lu order=%d", __entry->page, page_to_pfn(__entry->page), __entry->order))
	TRACE_EVENT (mm_page_free_batched, TP_PROTO(struct page *page, int cold), TP_ARGS(page, cold), TP_STRUCT__entry(__field(struct page *, page) __field(int, cold)), TP_fast_assign(__entry->page=page;__entry->cold=cold;), TP_printk("page=%p pfn=%lu order=0 cold=%d", __entry->page, page_to_pfn(__entry->page), __entry->cold))
	TRACE_EVENT (mm_page_alloc, TP_PROTO(struct page *page, unsigned int order, gfp_t gfp_flags, int migratetype), TP_ARGS(page, order, gfp_flags, migratetype), TP_STRUCT__entry(__field(struct page *, page) __field(unsigned int, order) __field(gfp_t, gfp_flags) __field(int, migratetype)), TP_fast_assign(__entry->page=page;__entry->order=order;__entry->gfp_flags=gfp_flags;__entry->migratetype=migratetype;), TP_printk("page=%p pfn=%lu order=%d migratetype=%d gfp_flags=%s", __entry->page, __entry->page?page_to_pfn(__entry->page):0, __entry->order, __entry->migratetype, show_gfp_flags(__entry->gfp_flags)))
	DECLARE_EVENT_CLASS (mm_page, TP_PROTO(struct page *page, unsigned int order, int migratetype), TP_ARGS(page, order, migratetype), TP_STRUCT__entry(__field(struct page *, page) __field(unsigned int, order) __field(int, migratetype)), TP_fast_assign(__entry->page=page;__entry->order=order;__entry->migratetype=migratetype;), TP_printk("page=%p pfn=%lu order=%u migratetype=%d percpu_refill=%d", __entry->page, __entry->page?page_to_pfn(__entry->page):0, __entry->order, __entry->migratetype, __entry->order==0))
	DEFINE_EVENT (mm_page, mm_page_alloc_zone_locked, TP_PROTO(struct page *page, unsigned int order, int migratetype),)
	DEFINE_EVENT_PRINT (mm_page, mm_page_pcpu_drain, TP_PROTO(struct page *page, unsigned int order, int migratetype), TP_ARGS(page, order, migratetype), TP_printk("page=%p pfn=%lu order=%d migratetype=%d", __entry->page, page_to_pfn(__entry->page), __entry->order, __entry->migratetype))
	TRACE_EVENT (mm_page_alloc_extfrag, TP_PROTO(struct page *page, int alloc_order, int fallback_order, int alloc_migratetype, int fallback_migratetype), TP_ARGS(page, alloc_order, fallback_order, alloc_migratetype, fallback_migratetype), TP_STRUCT__entry(__field(struct page *, page) __field(int, alloc_order) __field(int, fallback_order) __field(int, alloc_migratetype) __field(int, fallback_migratetype)), TP_fast_assign(__entry->page=page;__entry->alloc_order=alloc_order;__entry->fallback_order=fallback_order;__entry->alloc_migratetype=alloc_migratetype;__entry->fallback_migratetype=fallback_migratetype;), TP_printk("page=%p pfn=%lu alloc_order=%d fallback_order=%d pageblock_order=%d alloc_migratetype=%d fallback_migratetype=%d fragmenting=%d change_ownership=%d", __entry->page, page_to_pfn(__entry->page), __entry->alloc_order, __entry->fallback_order, pageblock_order, __entry->alloc_migratetype, __entry->fallback_migratetype, __entry->fallback_order< pageblock_order, __entry->alloc_migratetype==__entry->fallback_migratetype))

Macro Definition Documentation

#define _TRACE_KMEM_H

Definition at line 5 of file kmem.h.

#define TRACE_SYSTEM   kmem

Definition at line 2 of file kmem.h.

Function Documentation

DECLARE_EVENT_CLASS	(	kmem_alloc	,
		TP_PROTO(unsigned long call_site, const void *ptr, size_t bytes_req, size_t bytes_alloc, gfp_t gfp_flags)	,
		TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags)	,
		TP_STRUCT__entry(__field(unsigned long, call_site) __field(const void *, ptr) __field(size_t, bytes_req) __field(size_t, bytes_alloc) __field(gfp_t, gfp_flags))	,
		TP_fast_assign(__entry->call_site=call_site;__entry->ptr=ptr;__entry->bytes_req=bytes_req;__entry->bytes_alloc=bytes_alloc;__entry->gfp_flags=gfp_flags;)	,
		TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s", __entry->call_site, __entry->ptr, __entry->bytes_req, __entry->bytes_alloc, show_gfp_flags(__entry->gfp_flags))
	)

DECLARE_EVENT_CLASS	(	kmem_alloc_node	,
		TP_PROTO(unsigned long call_site, const void *ptr, size_t bytes_req, size_t bytes_alloc, gfp_t gfp_flags, int node)	,
		TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node)	,
		TP_STRUCT__entry(__field(unsigned long, call_site) __field(const void *, ptr) __field(size_t, bytes_req) __field(size_t, bytes_alloc) __field(gfp_t, gfp_flags) __field(int, node))	,
		TP_fast_assign(__entry->call_site=call_site;__entry->ptr=ptr;__entry->bytes_req=bytes_req;__entry->bytes_alloc=bytes_alloc;__entry->gfp_flags=gfp_flags;__entry->node=node;)	,
		TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s node=%d", __entry->call_site, __entry->ptr, __entry->bytes_req, __entry->bytes_alloc, show_gfp_flags(__entry->gfp_flags), __entry->node)
	)

DECLARE_EVENT_CLASS	(	kmem_free	,
		TP_PROTO(unsigned long call_site, const void *ptr)	,
		TP_ARGS(call_site, ptr)	,
		TP_STRUCT__entry(__field(unsigned long, call_site) __field(const void *, ptr))	,
		TP_fast_assign(__entry->call_site=call_site;__entry->ptr=ptr;)	,
		TP_printk("call_site=%lx ptr=%p", __entry->call_site, __entry->ptr)
	)

DECLARE_EVENT_CLASS	(	mm_page	,
		TP_PROTO(struct page *page, unsigned int order, int migratetype)	,
		TP_ARGS(page, order, migratetype)	,
		TP_STRUCT__entry(__field(struct page *, page) __field(unsigned int, order) __field(int, migratetype))	,
		TP_fast_assign(__entry->page=page;__entry->order=order;__entry->migratetype=migratetype;)	,
		TP_printk("page=%p pfn=%lu order=%u migratetype=%d percpu_refill=%d", __entry->page, __entry->page?page_to_pfn(__entry->page):0, __entry->order, __entry->migratetype, __entry->order==0)
	)

DEFINE_EVENT	(	kmem_alloc	,
		kmalloc	,
		TP_PROTO(unsigned long call_site, const void *ptr, size_t bytes_req, size_t bytes_alloc, gfp_t gfp_flags)
	)

DEFINE_EVENT	(	kmem_alloc	,
		kmem_cache_alloc	,
		TP_PROTO(unsigned long call_site, const void *ptr, size_t bytes_req, size_t bytes_alloc, gfp_t gfp_flags)
	)

DEFINE_EVENT	(	kmem_alloc_node	,
		kmalloc_node	,
		TP_PROTO(unsigned long call_site, const void *ptr, size_t bytes_req, size_t bytes_alloc, gfp_t gfp_flags, int node)
	)

DEFINE_EVENT	(	kmem_alloc_node	,
		kmem_cache_alloc_node	,
		TP_PROTO(unsigned long call_site, const void *ptr, size_t bytes_req, size_t bytes_alloc, gfp_t gfp_flags, int node)
	)

DEFINE_EVENT	(	kmem_free	,
		kfree	,
		TP_PROTO(unsigned long call_site, const void *ptr)
	)

DEFINE_EVENT	(	kmem_free	,
		kmem_cache_free	,
		TP_PROTO(unsigned long call_site, const void *ptr)
	)

DEFINE_EVENT	(	mm_page	,
		mm_page_alloc_zone_locked	,
		TP_PROTO(struct page *page, unsigned int order, int migratetype)
	)

DEFINE_EVENT_PRINT	(	mm_page	,
		mm_page_pcpu_drain	,
		TP_PROTO(struct page *page, unsigned int order, int migratetype)	,
		TP_ARGS(page, order, migratetype)	,
		TP_printk("page=%p pfn=%lu order=%d migratetype=%d", __entry->page, page_to_pfn(__entry->page), __entry->order, __entry->migratetype)
	)

TRACE_EVENT	(	mm_page_free	,
		TP_PROTO(struct page *page, unsigned int order)	,
		TP_ARGS(page, order)	,
		TP_STRUCT__entry(__field(struct page *, page) __field(unsigned int, order))	,
		TP_fast_assign(__entry->page=page;__entry->order=order;)	,
		TP_printk("page=%p pfn=%lu order=%d", __entry->page, page_to_pfn(__entry->page), __entry->order)
	)

TRACE_EVENT	(	mm_page_free_batched	,
		TP_PROTO(struct page *page, int cold)	,
		TP_ARGS(page, cold)	,
		TP_STRUCT__entry(__field(struct page *, page) __field(int, cold))	,
		TP_fast_assign(__entry->page=page;__entry->cold=cold;)	,
		TP_printk("page=%p pfn=%lu order=0 cold=%d", __entry->page, page_to_pfn(__entry->page), __entry->cold)
	)

TRACE_EVENT	(	mm_page_alloc	,
		TP_PROTO(struct page *page, unsigned int order, gfp_t gfp_flags, int migratetype)	,
		TP_ARGS(page, order, gfp_flags, migratetype)	,
		TP_STRUCT__entry(__field(struct page *, page) __field(unsigned int, order) __field(gfp_t, gfp_flags) __field(int, migratetype))	,
		TP_fast_assign(__entry->page=page;__entry->order=order;__entry->gfp_flags=gfp_flags;__entry->migratetype=migratetype;)	,
		TP_printk("page=%p pfn=%lu order=%d migratetype=%d gfp_flags=%s", __entry->page, __entry->page?page_to_pfn(__entry->page):0, __entry->order, __entry->migratetype, show_gfp_flags(__entry->gfp_flags))
	)

TRACE_EVENT	(	mm_page_alloc_extfrag	,
		TP_PROTO(struct page *page, int alloc_order, int fallback_order, int alloc_migratetype, int fallback_migratetype)	,
		TP_ARGS(page, alloc_order, fallback_order, alloc_migratetype, fallback_migratetype)	,
		TP_STRUCT__entry(__field(struct page *, page) __field(int, alloc_order) __field(int, fallback_order) __field(int, alloc_migratetype) __field(int, fallback_migratetype))	,
		TP_fast_assign(__entry->page=page;__entry->alloc_order=alloc_order;__entry->fallback_order=fallback_order;__entry->alloc_migratetype=alloc_migratetype;__entry->fallback_migratetype=fallback_migratetype;)	,
		TP_printk("page=%p pfn=%lu alloc_order=%d fallback_order=%d pageblock_order=%d alloc_migratetype=%d fallback_migratetype=%d fragmenting=%d change_ownership=%d", __entry->page, page_to_pfn(__entry->page), __entry->alloc_order, __entry->fallback_order, pageblock_order, __entry->alloc_migratetype, __entry->fallback_migratetype, __entry->fallback_order< pageblock_order, __entry->alloc_migratetype==__entry->fallback_migratetype)
	)