From: Namjae Jeon <namjae.j...@samsung.com>
Add tracepoints to debug checkpoint request.
Signed-off-by: Namjae Jeon <namjae.j...@samsung.com>
Signed-off-by: Pankaj Kumar <pankaj...@samsung.com>
Acked-by: Steven Rostedt <rost...@goodmis.org>
---
fs/f2fs/checkpoint.c | 4 ++++
include/trace/events/f2fs.h | 22 ++++++++++++++++++++++
2 files changed, 26 insertions(+)
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 197796a..c633efd 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -717,7 +717,10 @@ void write_checkpoint(struct f2fs_sb_info *sbi, bool
is_umount)
unsigned long long ckpt_ver;
mutex_lock(&sbi->cp_mutex);
+ trace_f2fs_write_checkpoint(sbi->sb, is_umount,
+ "Try to block operation");
block_operations(sbi);
+ trace_f2fs_write_checkpoint(sbi->sb, is_umount, "Done block operation");
f2fs_submit_bio(sbi, DATA, true);
f2fs_submit_bio(sbi, NODE, true);
@@ -740,6 +743,7 @@ void write_checkpoint(struct f2fs_sb_info *sbi, bool
is_umount)
unblock_operations(sbi);
mutex_unlock(&sbi->cp_mutex);
+ trace_f2fs_write_checkpoint(sbi->sb, is_umount, "Done checkpoint");
}
void init_orphan_info(struct f2fs_sb_info *sbi)
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index 32372a6..e49253a 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -688,6 +688,28 @@ DEFINE_EVENT(f2fs_page_type_op, f2fs_write_page,
TP_ARGS(page, type)
);
+TRACE_EVENT(f2fs_write_checkpoint,
+ TP_PROTO(struct super_block *sb, int umount, char *str),
+
+ TP_ARGS(sb, umount, str),
+
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(int, umount)
+ __field(char *, msg)
+ ),
+
+ TP_fast_assign(
+ __entry->dev = sb->s_dev;
+ __entry->umount = umount;
+ __entry->msg = str;
+ ),
+
+ TP_printk("dev %d,%d is_umount %d message %s ",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ __entry->umount, __entry->msg)
+
+);
#endif /* _TRACE_F2FS_H */
/* This part must be outside protection */
--
1.7.9.5
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