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f2fs: monitor the number of background checkpoint 

This patch adds to show the number of background checkpoint.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2016-01-09 13:45:17 -08:00
parent d0239e1bf5
commit 42190d2a86
3 changed files with 6 additions and 2 deletions
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3
fs/f2fs/debug.c
View File

@ -272,7 +272,8 @@ static int stat_show(struct seq_file *s, void *v)
si->dirty_count);
seq_printf(s, " - Prefree: %d\n - Free: %d (%d)\n\n",
si->prefree_count, si->free_segs, si->free_secs);
seq_printf(s, "CP calls: %d\n", si->cp_count);
seq_printf(s, "CP calls: %d (BG: %d)\n",
si->cp_count, si->bg_cp_count);
seq_printf(s, "GC calls: %d (BG: %d)\n",
si->call_count, si->bg_gc);
seq_printf(s, " - data segments : %d (%d)\n",

4
fs/f2fs/f2fs.h
View File

@ -1937,7 +1937,7 @@ struct f2fs_stat_info {
int util_free, util_valid, util_invalid;
int rsvd_segs, overp_segs;
int dirty_count, node_pages, meta_pages;
int prefree_count, call_count, cp_count;
int prefree_count, call_count, cp_count, bg_cp_count;
int tot_segs, node_segs, data_segs, free_segs, free_secs;
int bg_node_segs, bg_data_segs;
int tot_blks, data_blks, node_blks;
@ -1958,6 +1958,7 @@ static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi)
}
#define stat_inc_cp_count(si) ((si)->cp_count++)
#define stat_inc_bg_cp_count(si) ((si)->bg_cp_count++)
#define stat_inc_call_count(si) ((si)->call_count++)
#define stat_inc_bggc_count(sbi) ((sbi)->bg_gc++)
#define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++)
@ -2040,6 +2041,7 @@ int __init f2fs_create_root_stats(void);
void f2fs_destroy_root_stats(void);
#else
#define stat_inc_cp_count(si)
#define stat_inc_bg_cp_count(si)
#define stat_inc_call_count(si)
#define stat_inc_bggc_count(si)
#define stat_inc_dirty_inode(sbi, type)

1
fs/f2fs/segment.c
View File

@ -297,6 +297,7 @@ void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi)
if (test_opt(sbi, DATA_FLUSH))
sync_dirty_inodes(sbi, FILE_INODE);
f2fs_sync_fs(sbi->sb, true);
stat_inc_bg_cp_count(sbi->stat_info);
}
}