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f2fs: add tracepoints to debug checkpoint request 

Add tracepoints to debug checkpoint request.

Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Pankaj Kumar <pankaj.km@samsung.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
[Jaegeuk: change expressions]
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Namjae Jeon 2013-04-23 18:26:54 +09:00 committed by Jaegeuk Kim
parent 6ec178dac6
commit 2af4bd6ca5
2 changed files with 31 additions and 0 deletions
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7
fs/f2fs/checkpoint.c
View File

@ -20,6 +20,7 @@
#include "f2fs.h"
#include "node.h"
#include "segment.h"
#include <trace/events/f2fs.h>
static struct kmem_cache *orphan_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);
unsigned long long ckpt_ver;
trace_f2fs_write_checkpoint(sbi->sb, is_umount, "start block_ops");
mutex_lock(&sbi->cp_mutex);
block_operations(sbi);
trace_f2fs_write_checkpoint(sbi->sb, is_umount, "finish block_ops");
f2fs_submit_bio(sbi, DATA, true);
f2fs_submit_bio(sbi, NODE, 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);
mutex_unlock(&sbi->cp_mutex);
trace_f2fs_write_checkpoint(sbi->sb, is_umount, "finish checkpoint");
}
void init_orphan_info(struct f2fs_sb_info *sbi)

24
include/trace/events/f2fs.h
View File

@ -645,6 +645,30 @@ TRACE_EVENT(f2fs_submit_write_page,
(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 */
/* This part must be outside protection */