f2fs: add tracepoint for f2fs_direct_IO
This patch adds a tracepoint for f2fs_direct_IO.
Signed-off-by: Chao Yu <[email protected]>
Signed-off-by: Jaegeuk Kim <[email protected]>
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index 7d2e70e..d06d443 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -587,6 +587,69 @@
__entry->ret)
);
+TRACE_EVENT(f2fs_direct_IO_enter,
+
+ TP_PROTO(struct inode *inode, loff_t offset, unsigned long len, int rw),
+
+ TP_ARGS(inode, offset, len, rw),
+
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(ino_t, ino)
+ __field(loff_t, pos)
+ __field(unsigned long, len)
+ __field(int, rw)
+ ),
+
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->pos = offset;
+ __entry->len = len;
+ __entry->rw = rw;
+ ),
+
+ TP_printk("dev = (%d,%d), ino = %lu pos = %lld len = %lu rw = %d",
+ show_dev_ino(__entry),
+ __entry->pos,
+ __entry->len,
+ __entry->rw)
+);
+
+TRACE_EVENT(f2fs_direct_IO_exit,
+
+ TP_PROTO(struct inode *inode, loff_t offset, unsigned long len,
+ int rw, int ret),
+
+ TP_ARGS(inode, offset, len, rw, ret),
+
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(ino_t, ino)
+ __field(loff_t, pos)
+ __field(unsigned long, len)
+ __field(int, rw)
+ __field(int, ret)
+ ),
+
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->pos = offset;
+ __entry->len = len;
+ __entry->rw = rw;
+ __entry->ret = ret;
+ ),
+
+ TP_printk("dev = (%d,%d), ino = %lu pos = %lld len = %lu "
+ "rw = %d ret = %d",
+ show_dev_ino(__entry),
+ __entry->pos,
+ __entry->len,
+ __entry->rw,
+ __entry->ret)
+);
+
TRACE_EVENT(f2fs_reserve_new_block,
TP_PROTO(struct inode *inode, nid_t nid, unsigned int ofs_in_node),
