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Subject[PATCH 8/8] f2fs: add tracepoints to debug checkpoint request
Date
From: Namjae Jeon <namjae.jeon@samsung.com>

Add tracepoints to debug checkpoint request.

Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Pankaj Kumar <pankaj.km@samsung.com>
---
fs/f2fs/checkpoint.c | 1 +
include/trace/events/f2fs.h | 18 ++++++++++++++++++
2 files changed, 19 insertions(+)

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index a0fce2c..047bcb8 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -604,6 +604,7 @@ static void do_checkpoint(struct f2fs_sb_info *sbi, bool is_umount)
void *kaddr;
int i;

+ trace_f2fs_do_checkpoint(sbi->sb);
/* Flush all the NAT/SIT pages */
while (get_pages(sbi, F2FS_DIRTY_META))
sync_meta_pages(sbi, META, LONG_MAX);
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index 46856bd..9530635 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -502,6 +502,24 @@ DEFINE_EVENT(f2fs_page_type_op, f2fs_write_page,
TP_ARGS(page, type)
);

+TRACE_EVENT(f2fs_do_checkpoint,
+ TP_PROTO(struct super_block *sb),
+
+ TP_ARGS(sb),
+
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ ),
+
+ TP_fast_assign(
+ __entry->dev = sb->s_dev;
+ ),
+
+ TP_printk("dev %d,%d ",
+ MAJOR(__entry->dev), MINOR(__entry->dev))
+
+);
+
#endif /* _TRACE_F2FS_H */

/* This part must be outside protection */
--
1.7.9.5


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