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/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM kmem
#if !defined(_TRACE_KMEM_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_KMEM_H
#include <linux/types.h>
#include <linux/tracepoint.h>
#include <trace/events/mmflags.h>
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=%pS ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s",
(void *)__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),
TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, 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),
TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, 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=%pS ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s node=%d",
(void *)__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),
TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, 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),
TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node)
);
TRACE_EVENT(kfree,
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=%pS ptr=%p",
(void *)__entry->call_site, __entry->ptr)
);
TRACE_EVENT(kmem_cache_free,
TP_PROTO(unsigned long call_site, const void *ptr, const char *name),
TP_ARGS(call_site, ptr, name),
TP_STRUCT__entry(
__field( unsigned long, call_site )
__field( const void *, ptr )
__string( name, name )
),
TP_fast_assign(
__entry->call_site = call_site;
__entry->ptr = ptr;
__assign_str(name, name);
),
TP_printk("call_site=%pS ptr=%p name=%s",
(void *)__entry->call_site, __entry->ptr, __get_str(name))
);
TRACE_EVENT(mm_page_free,
TP_PROTO(struct page *page, unsigned int order),
TP_ARGS(page, order),
TP_STRUCT__entry(
__field( unsigned long, pfn )
__field( unsigned int, order )
),
TP_fast_assign(
__entry->pfn = page_to_pfn(page);
__entry->order = order;
),
TP_printk("page=%p pfn=%lu order=%d",
pfn_to_page(__entry->pfn),
__entry->pfn,
__entry->order)
);
TRACE_EVENT(mm_page_free_batched,
TP_PROTO(struct page *page),
TP_ARGS(page),
TP_STRUCT__entry(
__field( unsigned long, pfn )
),
TP_fast_assign(
__entry->pfn = page_to_pfn(page);
),
TP_printk("page=%p pfn=%lu order=0",
pfn_to_page(__entry->pfn),
__entry->pfn)
);
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( unsigned long, pfn )
__field( unsigned int, order )
__field( gfp_t, gfp_flags )
__field( int, migratetype )
),
TP_fast_assign(
__entry->pfn = page ? page_to_pfn(page) : -1UL;
__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->pfn != -1UL ? pfn_to_page(__entry->pfn) : NULL,
__entry->pfn != -1UL ? __entry->pfn : 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( unsigned long, pfn )
__field( unsigned int, order )
__field( int, migratetype )
),
TP_fast_assign(
__entry->pfn = page ? page_to_pfn(page) : -1UL;
__entry->order = order;
__entry->migratetype = migratetype;
),
TP_printk("page=%p pfn=%lu order=%u migratetype=%d percpu_refill=%d",
__entry->pfn != -1UL ? pfn_to_page(__entry->pfn) : NULL,
__entry->pfn != -1UL ? __entry->pfn : 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),
TP_ARGS(page, order, migratetype)
);
TRACE_EVENT(mm_page_pcpu_drain,
TP_PROTO(struct page *page, unsigned int order, int migratetype),
TP_ARGS(page, order, migratetype),
TP_STRUCT__entry(
__field( unsigned long, pfn )
__field( unsigned int, order )
__field( int, migratetype )
),
TP_fast_assign(
__entry->pfn = page ? page_to_pfn(page) : -1UL;
__entry->order = order;
__entry->migratetype = migratetype;
),
TP_printk("page=%p pfn=%lu order=%d migratetype=%d",
pfn_to_page(__entry->pfn), __entry->pfn,
__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( unsigned long, pfn )
__field( int, alloc_order )
__field( int, fallback_order )
__field( int, alloc_migratetype )
__field( int, fallback_migratetype )
__field( int, change_ownership )
),
TP_fast_assign(
__entry->pfn = page_to_pfn(page);
__entry->alloc_order = alloc_order;
__entry->fallback_order = fallback_order;
__entry->alloc_migratetype = alloc_migratetype;
__entry->fallback_migratetype = fallback_migratetype;
__entry->change_ownership = (alloc_migratetype ==
get_pageblock_migratetype(page));
),
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",
pfn_to_page(__entry->pfn),
__entry->pfn,
__entry->alloc_order,
__entry->fallback_order,
pageblock_order,
__entry->alloc_migratetype,
__entry->fallback_migratetype,
__entry->fallback_order < pageblock_order,
__entry->change_ownership)
);
/*
* Required for uniquely and securely identifying mm in rss_stat tracepoint.
*/
#ifndef __PTR_TO_HASHVAL
static unsigned int __maybe_unused mm_ptr_to_hash(const void *ptr)
{
int ret;
unsigned long hashval;
ret = ptr_to_hashval(ptr, &hashval);
if (ret)
return 0;
/* The hashed value is only 32-bit */
return (unsigned int)hashval;
}
#define __PTR_TO_HASHVAL
#endif
#define TRACE_MM_PAGES \
EM(MM_FILEPAGES) \
EM(MM_ANONPAGES) \
EM(MM_SWAPENTS) \
EMe(MM_SHMEMPAGES)
#undef EM
#undef EMe
#define EM(a) TRACE_DEFINE_ENUM(a);
#define EMe(a) TRACE_DEFINE_ENUM(a);
TRACE_MM_PAGES
#undef EM
#undef EMe
#define EM(a) { a, #a },
#define EMe(a) { a, #a }
TRACE_EVENT(rss_stat,
TP_PROTO(struct mm_struct *mm,
int member,
long count),
TP_ARGS(mm, member, count),
TP_STRUCT__entry(
__field(unsigned int, mm_id)
__field(unsigned int, curr)
__field(int, member)
__field(long, size)
),
TP_fast_assign(
__entry->mm_id = mm_ptr_to_hash(mm);
__entry->curr = !!(current->mm == mm);
__entry->member = member;
__entry->size = (count << PAGE_SHIFT);
),
TP_printk("mm_id=%u curr=%d type=%s size=%ldB",
__entry->mm_id,
__entry->curr,
__print_symbolic(__entry->member, TRACE_MM_PAGES),
__entry->size)
);
#endif /* _TRACE_KMEM_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
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