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authorChao Yu <yuchao0@huawei.com>2020-04-23 18:03:06 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2020-05-11 20:37:13 -0700
commit9c1223845a37ce09fd498b8c8ed061decff20eda (patch)
tree41bcce79f3ca047a5580014b69a3d06b42c614df /fs/f2fs
parentf3494345ce9999624b36109252a4bf5f00e51a46 (diff)
f2fs: add compressed/gc data read IO stat
in order to account data read IOs more accurately. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/data.c1
-rw-r--r--fs/f2fs/f2fs.h2
-rw-r--r--fs/f2fs/gc.c2
-rw-r--r--fs/f2fs/sysfs.c7
4 files changed, 12 insertions, 0 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 4d871d27a85f..48a622b95b76 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -2234,6 +2234,7 @@ submit_and_realloc:
inc_page_count(sbi, F2FS_RD_DATA);
f2fs_update_iostat(sbi, FS_DATA_READ_IO, F2FS_BLKSIZE);
+ f2fs_update_iostat(sbi, FS_CDATA_READ_IO, F2FS_BLKSIZE);
ClearPageError(page);
*last_block_in_bio = blkaddr;
}
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 338622069e42..51863e4f5d4e 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1149,6 +1149,8 @@ enum iostat_type {
APP_READ_IO, /* app read IOs */
APP_MAPPED_READ_IO, /* app mapped read IOs */
FS_DATA_READ_IO, /* data read IOs */
+ FS_GDATA_READ_IO, /* data read IOs from background gc */
+ FS_CDATA_READ_IO, /* compressed data read IOs */
FS_NODE_READ_IO, /* node read IOs */
FS_META_READ_IO, /* meta read IOs */
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index f3c45ec2a7e7..5b95d5a146eb 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -740,6 +740,7 @@ got_it:
f2fs_put_page(page, 1);
f2fs_update_iostat(sbi, FS_DATA_READ_IO, F2FS_BLKSIZE);
+ f2fs_update_iostat(sbi, FS_GDATA_READ_IO, F2FS_BLKSIZE);
return 0;
put_encrypted_page:
@@ -846,6 +847,7 @@ static int move_data_block(struct inode *inode, block_t bidx,
}
f2fs_update_iostat(fio.sbi, FS_DATA_READ_IO, F2FS_BLKSIZE);
+ f2fs_update_iostat(fio.sbi, FS_GDATA_READ_IO, F2FS_BLKSIZE);
lock_page(mpage);
if (unlikely(mpage->mapping != META_MAPPING(fio.sbi) ||
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index eaf8088548f0..a117ae1f9d5f 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -803,6 +803,7 @@ static int __maybe_unused iostat_info_seq_show(struct seq_file *seq,
seq_printf(seq, "time: %-16llu\n", now);
/* print app write IOs */
+ seq_puts(seq, "[WRITE]\n");
seq_printf(seq, "app buffered: %-16llu\n",
sbi->rw_iostat[APP_BUFFERED_IO]);
seq_printf(seq, "app direct: %-16llu\n",
@@ -829,6 +830,7 @@ static int __maybe_unused iostat_info_seq_show(struct seq_file *seq,
sbi->rw_iostat[FS_CP_META_IO]);
/* print app read IOs */
+ seq_puts(seq, "[READ]\n");
seq_printf(seq, "app buffered: %-16llu\n",
sbi->rw_iostat[APP_BUFFERED_READ_IO]);
seq_printf(seq, "app direct: %-16llu\n",
@@ -839,12 +841,17 @@ static int __maybe_unused iostat_info_seq_show(struct seq_file *seq,
/* print fs read IOs */
seq_printf(seq, "fs data: %-16llu\n",
sbi->rw_iostat[FS_DATA_READ_IO]);
+ seq_printf(seq, "fs gc data: %-16llu\n",
+ sbi->rw_iostat[FS_GDATA_READ_IO]);
+ seq_printf(seq, "fs compr_data: %-16llu\n",
+ sbi->rw_iostat[FS_CDATA_READ_IO]);
seq_printf(seq, "fs node: %-16llu\n",
sbi->rw_iostat[FS_NODE_READ_IO]);
seq_printf(seq, "fs meta: %-16llu\n",
sbi->rw_iostat[FS_META_READ_IO]);
/* print other IOs */
+ seq_puts(seq, "[OTHER]\n");
seq_printf(seq, "fs discard: %-16llu\n",
sbi->rw_iostat[FS_DISCARD]);