From 2af4bd6ca556d690ee166200abd16fdbe749782e Mon Sep 17 00:00:00 2001 From: Namjae Jeon <[email protected]> Date: Tue, 23 Apr 2013 18:26:54 +0900 Subject: [PATCH 7/7] f2fs: add tracepoints to debug checkpoint request Cc: [email protected], [email protected], [email protected]
Add tracepoints to debug checkpoint request. Signed-off-by: Namjae Jeon <[email protected]> Signed-off-by: Pankaj Kumar <[email protected]> Acked-by: Steven Rostedt <[email protected]> [Jaegeuk: change expressions] Signed-off-by: Jaegeuk Kim <[email protected]> --- fs/f2fs/checkpoint.c | 7 +++++++ include/trace/events/f2fs.h | 24 ++++++++++++++++++++++++ 2 files changed, 31 insertions(+) diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index be6aa2e..f54b83b 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 ae2da92..b2b2f72 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 */ -- 1.8.1.3.566.gaa39828 -- Jaegeuk Kim Samsung
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