1 files changed, 121 insertions, 0 deletions
diff --git a/include/trace/events/mmap.h b/include/trace/events/mmap.h
new file mode 100644
index 000000000..216de5f03
--- /dev/null
+++ b/include/trace/events/mmap.h
@@ -0,0 +1,121 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM mmap
+
+#if !defined(_TRACE_MMAP_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_MMAP_H
+
+#include <linux/tracepoint.h>
+
+TRACE_EVENT(vm_unmapped_area,
+
+	TP_PROTO(unsigned long addr, struct vm_unmapped_area_info *info),
+
+	TP_ARGS(addr, info),
+
+	TP_STRUCT__entry(
+		__field(unsigned long,	addr)
+		__field(unsigned long,	total_vm)
+		__field(unsigned long,	flags)
+		__field(unsigned long,	length)
+		__field(unsigned long,	low_limit)
+		__field(unsigned long,	high_limit)
+		__field(unsigned long,	align_mask)
+		__field(unsigned long,	align_offset)
+	),
+
+	TP_fast_assign(
+		__entry->addr = addr;
+		__entry->total_vm = current->mm->total_vm;
+		__entry->flags = info->flags;
+		__entry->length = info->length;
+		__entry->low_limit = info->low_limit;
+		__entry->high_limit = info->high_limit;
+		__entry->align_mask = info->align_mask;
+		__entry->align_offset = info->align_offset;
+	),
+
+	TP_printk("addr=0x%lx err=%ld total_vm=0x%lx flags=0x%lx len=0x%lx lo=0x%lx hi=0x%lx mask=0x%lx ofs=0x%lx\n",
+		IS_ERR_VALUE(__entry->addr) ? 0 : __entry->addr,
+		IS_ERR_VALUE(__entry->addr) ? __entry->addr : 0,
+		__entry->total_vm, __entry->flags, __entry->length,
+		__entry->low_limit, __entry->high_limit, __entry->align_mask,
+		__entry->align_offset)
+);
+
+TRACE_EVENT(vma_mas_szero,
+	TP_PROTO(struct maple_tree *mt, unsigned long start,
+		 unsigned long end),
+
+	TP_ARGS(mt, start, end),
+
+	TP_STRUCT__entry(
+			__field(struct maple_tree *, mt)
+			__field(unsigned long, start)
+			__field(unsigned long, end)
+	),
+
+	TP_fast_assign(
+			__entry->mt		= mt;
+			__entry->start		= start;
+			__entry->end		= end;
+	),
+
+	TP_printk("mt_mod %p, (NULL), SNULL, %lu, %lu,",
+		  __entry->mt,
+		  (unsigned long) __entry->start,
+		  (unsigned long) __entry->end
+	)
+);
+
+TRACE_EVENT(vma_store,
+	TP_PROTO(struct maple_tree *mt, struct vm_area_struct *vma),
+
+	TP_ARGS(mt, vma),
+
+	TP_STRUCT__entry(
+			__field(struct maple_tree *, mt)
+			__field(struct vm_area_struct *, vma)
+			__field(unsigned long, vm_start)
+			__field(unsigned long, vm_end)
+	),
+
+	TP_fast_assign(
+			__entry->mt		= mt;
+			__entry->vma		= vma;
+			__entry->vm_start	= vma->vm_start;
+			__entry->vm_end		= vma->vm_end - 1;
+	),
+
+	TP_printk("mt_mod %p, (%p), STORE, %lu, %lu,",
+		  __entry->mt, __entry->vma,
+		  (unsigned long) __entry->vm_start,
+		  (unsigned long) __entry->vm_end
+	)
+);
+
+
+TRACE_EVENT(exit_mmap,
+	TP_PROTO(struct mm_struct *mm),
+
+	TP_ARGS(mm),
+
+	TP_STRUCT__entry(
+			__field(struct mm_struct *, mm)
+			__field(struct maple_tree *, mt)
+	),
+
+	TP_fast_assign(
+		       __entry->mm		= mm;
+		       __entry->mt		= &mm->mm_mt;
+	),
+
+	TP_printk("mt_mod %p, DESTROY\n",
+		  __entry->mt
+	)
+);
+
+#endif
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>