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authorNamjae Jeon <namjae.jeon@samsung.com>2013-04-23 18:26:54 +0900
committerJaegeuk Kim <jaegeuk.kim@samsung.com>2013-04-23 19:16:37 +0900
commit2af4bd6ca556d690ee166200abd16fdbe749782e (patch)
treebcbdbe6a0251350f5d7e6eef942f7411960d3886
parent6ec178dac6768204a6edf70f4a53d40b691c12b4 (diff)
downloadvexpress-lsk-2af4bd6ca556d690ee166200abd16fdbe749782e.tar.gz
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>
-rw-r--r--fs/f2fs/checkpoint.c7
-rw-r--r--include/trace/events/f2fs.h24
2 files changed, 31 insertions, 0 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index be6aa2eef89..f54b83b4d90 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -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)
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index ae2da92e076..b2b2f72a023 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -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 */