dax: add tracepoint to dax_insert_mapping()

[karo-tx-linux.git] / include / trace / events / fs_dax.h

diff --git a/include/trace/events/fs_dax.h b/include/trace/events/fs_dax.h
index b5a520961f8d9958657ae872ab13b713a5a02f57..08bb3ed18dcc213dbbdcfad0832a83a8fbb2ed4e 100644 (file)
--- a/include/trace/events/fs_dax.h
+++ b/include/trace/events/fs_dax.h
@@ -192,6 +192,93 @@ DEFINE_PTE_FAULT_EVENT(dax_pte_fault);
 DEFINE_PTE_FAULT_EVENT(dax_pte_fault_done);
 DEFINE_PTE_FAULT_EVENT(dax_pfn_mkwrite_no_entry);
 DEFINE_PTE_FAULT_EVENT(dax_pfn_mkwrite);
+DEFINE_PTE_FAULT_EVENT(dax_load_hole);
+
+TRACE_EVENT(dax_insert_mapping,
+       TP_PROTO(struct inode *inode, struct vm_fault *vmf, void *radix_entry),
+       TP_ARGS(inode, vmf, radix_entry),
+       TP_STRUCT__entry(
+               __field(unsigned long, ino)
+               __field(unsigned long, vm_flags)
+               __field(unsigned long, address)
+               __field(void *, radix_entry)
+               __field(dev_t, dev)
+               __field(int, write)
+       ),
+       TP_fast_assign(
+               __entry->dev = inode->i_sb->s_dev;
+               __entry->ino = inode->i_ino;
+               __entry->vm_flags = vmf->vma->vm_flags;
+               __entry->address = vmf->address;
+               __entry->write = vmf->flags & FAULT_FLAG_WRITE;
+               __entry->radix_entry = radix_entry;
+       ),
+       TP_printk("dev %d:%d ino %#lx %s %s address %#lx radix_entry %#lx",
+               MAJOR(__entry->dev),
+               MINOR(__entry->dev),
+               __entry->ino,
+               __entry->vm_flags & VM_SHARED ? "shared" : "private",
+               __entry->write ? "write" : "read",
+               __entry->address,
+               (unsigned long)__entry->radix_entry
+       )
+)
+
+DECLARE_EVENT_CLASS(dax_writeback_range_class,
+       TP_PROTO(struct inode *inode, pgoff_t start_index, pgoff_t end_index),
+       TP_ARGS(inode, start_index, end_index),
+       TP_STRUCT__entry(
+               __field(unsigned long, ino)
+               __field(pgoff_t, start_index)
+               __field(pgoff_t, end_index)
+               __field(dev_t, dev)
+       ),
+       TP_fast_assign(
+               __entry->dev = inode->i_sb->s_dev;
+               __entry->ino = inode->i_ino;
+               __entry->start_index = start_index;
+               __entry->end_index = end_index;
+       ),
+       TP_printk("dev %d:%d ino %#lx pgoff %#lx-%#lx",
+               MAJOR(__entry->dev),
+               MINOR(__entry->dev),
+               __entry->ino,
+               __entry->start_index,
+               __entry->end_index
+       )
+)
+
+#define DEFINE_WRITEBACK_RANGE_EVENT(name) \
+DEFINE_EVENT(dax_writeback_range_class, name, \
+       TP_PROTO(struct inode *inode, pgoff_t start_index, pgoff_t end_index),\
+       TP_ARGS(inode, start_index, end_index))
+
+DEFINE_WRITEBACK_RANGE_EVENT(dax_writeback_range);
+DEFINE_WRITEBACK_RANGE_EVENT(dax_writeback_range_done);
+
+TRACE_EVENT(dax_writeback_one,
+       TP_PROTO(struct inode *inode, pgoff_t pgoff, pgoff_t pglen),
+       TP_ARGS(inode, pgoff, pglen),
+       TP_STRUCT__entry(
+               __field(unsigned long, ino)
+               __field(pgoff_t, pgoff)
+               __field(pgoff_t, pglen)
+               __field(dev_t, dev)
+       ),
+       TP_fast_assign(
+               __entry->dev = inode->i_sb->s_dev;
+               __entry->ino = inode->i_ino;
+               __entry->pgoff = pgoff;
+               __entry->pglen = pglen;
+       ),
+       TP_printk("dev %d:%d ino %#lx pgoff %#lx pglen %#lx",
+               MAJOR(__entry->dev),
+               MINOR(__entry->dev),
+               __entry->ino,
+               __entry->pgoff,
+               __entry->pglen
+       )
+)
 
 #endif /* _TRACE_FS_DAX_H */