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-rw-r--r--include/trace/events/fs_dax.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/include/trace/events/fs_dax.h b/include/trace/events/fs_dax.h
index 58b0b5612683..43f1263131a4 100644
--- a/include/trace/events/fs_dax.h
+++ b/include/trace/events/fs_dax.h
@@ -61,6 +61,48 @@ DEFINE_EVENT(dax_pmd_fault_class, name, \
DEFINE_PMD_FAULT_EVENT(dax_pmd_fault);
DEFINE_PMD_FAULT_EVENT(dax_pmd_fault_done);
+DECLARE_EVENT_CLASS(dax_pmd_load_hole_class,
+ TP_PROTO(struct inode *inode, struct vm_area_struct *vma,
+ unsigned long address, struct page *zero_page,
+ void *radix_entry),
+ TP_ARGS(inode, vma, address, zero_page, radix_entry),
+ TP_STRUCT__entry(
+ __field(unsigned long, ino)
+ __field(unsigned long, vm_flags)
+ __field(unsigned long, address)
+ __field(struct page *, zero_page)
+ __field(void *, radix_entry)
+ __field(dev_t, dev)
+ ),
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->vm_flags = vma->vm_flags;
+ __entry->address = address;
+ __entry->zero_page = zero_page;
+ __entry->radix_entry = radix_entry;
+ ),
+ TP_printk("dev %d:%d ino %#lx %s address %#lx zero_page %p "
+ "radix_entry %#lx",
+ MAJOR(__entry->dev),
+ MINOR(__entry->dev),
+ __entry->ino,
+ __entry->vm_flags & VM_SHARED ? "shared" : "private",
+ __entry->address,
+ __entry->zero_page,
+ (unsigned long)__entry->radix_entry
+ )
+)
+
+#define DEFINE_PMD_LOAD_HOLE_EVENT(name) \
+DEFINE_EVENT(dax_pmd_load_hole_class, name, \
+ TP_PROTO(struct inode *inode, struct vm_area_struct *vma, \
+ unsigned long address, struct page *zero_page, \
+ void *radix_entry), \
+ TP_ARGS(inode, vma, address, zero_page, radix_entry))
+
+DEFINE_PMD_LOAD_HOLE_EVENT(dax_pmd_load_hole);
+DEFINE_PMD_LOAD_HOLE_EVENT(dax_pmd_load_hole_fallback);
#endif /* _TRACE_FS_DAX_H */