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-rw-r--r--include/trace/events/kmem.h369
1 files changed, 369 insertions, 0 deletions
diff --git a/include/trace/events/kmem.h b/include/trace/events/kmem.h
new file mode 100644
index 000000000..f65b1f6db
--- /dev/null
+++ b/include/trace/events/kmem.h
@@ -0,0 +1,369 @@
+/* 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)
+);
+
+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=%pS ptr=%p",
+ (void *)__entry->call_site, __entry->ptr)
+);
+
+DEFINE_EVENT(kmem_free, kfree,
+
+ TP_PROTO(unsigned long call_site, const void *ptr),
+
+ TP_ARGS(call_site, ptr)
+);
+
+DEFINE_EVENT(kmem_free, kmem_cache_free,
+
+ TP_PROTO(unsigned long call_site, const void *ptr),
+
+ TP_ARGS(call_site, ptr)
+);
+
+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
+
+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 member=%d size=%ldB",
+ __entry->mm_id,
+ __entry->curr,
+ __entry->member,
+ __entry->size)
+ );
+#endif /* _TRACE_KMEM_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 10:56:45 +0000