Commit 2af4bd6c authored by Namjae Jeon's avatar Namjae Jeon Committed by Jaegeuk Kim
Browse files

f2fs: add tracepoints to debug checkpoint request 



Add tracepoints to debug checkpoint request.

Signed-off-by: default avatarNamjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: default avatarPankaj Kumar <pankaj.km@samsung.com>
Acked-by: default avatarSteven Rostedt <rostedt@goodmis.org>
[Jaegeuk: change expressions]
Signed-off-by: default avatarJaegeuk Kim <jaegeuk.kim@samsung.com>
parent 6ec178da

fs/f2fs/checkpoint.c

+7 −0
Original line number Original line Diff line number Diff line
@@ -20,6 +20,7 @@ 
#include "f2fs.h"

#include "f2fs.h"

#include "node.h"

#include "node.h"

#include "segment.h"

#include "segment.h"

#include <trace/events/f2fs.h>





static struct kmem_cache *orphan_entry_slab;

static struct kmem_cache *orphan_entry_slab;

static struct kmem_cache *inode_entry_slab;

static struct kmem_cache *inode_entry_slab;
@@ -714,9 +715,13 @@ void write_checkpoint(struct f2fs_sb_info *sbi, bool is_umount) 
	struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);

	struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);

	unsigned long long ckpt_ver;

	unsigned long long ckpt_ver;





	trace_f2fs_write_checkpoint(sbi->sb, is_umount, "start block_ops");



	mutex_lock(&sbi->cp_mutex);

	mutex_lock(&sbi->cp_mutex);

	block_operations(sbi);

	block_operations(sbi);





	trace_f2fs_write_checkpoint(sbi->sb, is_umount, "finish block_ops");



	f2fs_submit_bio(sbi, DATA, true);

	f2fs_submit_bio(sbi, DATA, true);

	f2fs_submit_bio(sbi, NODE, true);

	f2fs_submit_bio(sbi, NODE, true);

	f2fs_submit_bio(sbi, META, true);

	f2fs_submit_bio(sbi, META, true);
@@ -738,6 +743,8 @@ void write_checkpoint(struct f2fs_sb_info *sbi, bool is_umount) 




	unblock_operations(sbi);

	unblock_operations(sbi);

	mutex_unlock(&sbi->cp_mutex);

	mutex_unlock(&sbi->cp_mutex);



	trace_f2fs_write_checkpoint(sbi->sb, is_umount, "finish checkpoint");

}

}





void init_orphan_info(struct f2fs_sb_info *sbi)

void init_orphan_info(struct f2fs_sb_info *sbi)

include/trace/events/f2fs.h

+24 −0
Original line number Original line Diff line number Diff line
@@ -645,6 +645,30 @@ TRACE_EVENT(f2fs_submit_write_page, 
		(unsigned long long)__entry->block)

		(unsigned long long)__entry->block)

);

);





TRACE_EVENT(f2fs_write_checkpoint,



	TP_PROTO(struct super_block *sb, bool is_umount, char *msg),



	TP_ARGS(sb, is_umount, msg),



	TP_STRUCT__entry(

		__field(dev_t,	dev)

		__field(bool,	is_umount)

		__field(char *,	msg)

	),



	TP_fast_assign(

		__entry->dev		= sb->s_dev;

		__entry->is_umount	= is_umount;

		__entry->msg		= msg;

	),



	TP_printk("dev = (%d,%d), checkpoint for %s, state = %s",

		show_dev(__entry),

		__entry->is_umount ? "clean umount" : "consistency",

		__entry->msg)

);



#endif /* _TRACE_F2FS_H */

#endif /* _TRACE_F2FS_H */





 /* This part must be outside protection */

 /* This part must be outside protection */