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| author | Chao Yu <yuchao0@huawei.com> | 2020-04-16 13:16:56 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2020-04-17 19:17:00 +0300 |
| commit | 8b83ac81f4283ae3bd05c9a7e15dca721014dd03 (patch) | |
| tree | 1ce1a104615ba45fdb9df0a828f4b03d8b4182e4 /fs/f2fs/sysfs.c | |
| parent | df423399757531c20d495bf6b8b83a8dcca3565c (diff) | |
| download | linux-8b83ac81f4283ae3bd05c9a7e15dca721014dd03.tar.xz | |
f2fs: support read iostat
Adds to support accounting read IOs from userspace/kernel.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/sysfs.c')
| -rw-r--r-- | fs/f2fs/sysfs.c | 52 |
1 files changed, 35 insertions, 17 deletions
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index d05cb68c2637..eaf8088548f0 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -781,9 +781,9 @@ void f2fs_record_iostat(struct f2fs_sb_info *sbi) msecs_to_jiffies(sbi->iostat_period_ms); for (i = 0; i < NR_IO_TYPE; i++) { - iostat_diff[i] = sbi->write_iostat[i] - - sbi->prev_write_iostat[i]; - sbi->prev_write_iostat[i] = sbi->write_iostat[i]; + iostat_diff[i] = sbi->rw_iostat[i] - + sbi->prev_rw_iostat[i]; + sbi->prev_rw_iostat[i] = sbi->rw_iostat[i]; } spin_unlock(&sbi->iostat_lock); @@ -802,33 +802,51 @@ static int __maybe_unused iostat_info_seq_show(struct seq_file *seq, seq_printf(seq, "time: %-16llu\n", now); - /* print app IOs */ + /* print app write IOs */ seq_printf(seq, "app buffered: %-16llu\n", - sbi->write_iostat[APP_BUFFERED_IO]); + sbi->rw_iostat[APP_BUFFERED_IO]); seq_printf(seq, "app direct: %-16llu\n", - sbi->write_iostat[APP_DIRECT_IO]); + sbi->rw_iostat[APP_DIRECT_IO]); seq_printf(seq, "app mapped: %-16llu\n", - sbi->write_iostat[APP_MAPPED_IO]); + sbi->rw_iostat[APP_MAPPED_IO]); - /* print fs IOs */ + /* print fs write IOs */ seq_printf(seq, "fs data: %-16llu\n", - sbi->write_iostat[FS_DATA_IO]); + sbi->rw_iostat[FS_DATA_IO]); seq_printf(seq, "fs node: %-16llu\n", - sbi->write_iostat[FS_NODE_IO]); + sbi->rw_iostat[FS_NODE_IO]); seq_printf(seq, "fs meta: %-16llu\n", - sbi->write_iostat[FS_META_IO]); + sbi->rw_iostat[FS_META_IO]); seq_printf(seq, "fs gc data: %-16llu\n", - sbi->write_iostat[FS_GC_DATA_IO]); + sbi->rw_iostat[FS_GC_DATA_IO]); seq_printf(seq, "fs gc node: %-16llu\n", - sbi->write_iostat[FS_GC_NODE_IO]); + sbi->rw_iostat[FS_GC_NODE_IO]); seq_printf(seq, "fs cp data: %-16llu\n", - sbi->write_iostat[FS_CP_DATA_IO]); + sbi->rw_iostat[FS_CP_DATA_IO]); seq_printf(seq, "fs cp node: %-16llu\n", - sbi->write_iostat[FS_CP_NODE_IO]); + sbi->rw_iostat[FS_CP_NODE_IO]); seq_printf(seq, "fs cp meta: %-16llu\n", - sbi->write_iostat[FS_CP_META_IO]); + sbi->rw_iostat[FS_CP_META_IO]); + + /* print app read IOs */ + seq_printf(seq, "app buffered: %-16llu\n", + sbi->rw_iostat[APP_BUFFERED_READ_IO]); + seq_printf(seq, "app direct: %-16llu\n", + sbi->rw_iostat[APP_DIRECT_READ_IO]); + seq_printf(seq, "app mapped: %-16llu\n", + sbi->rw_iostat[APP_MAPPED_READ_IO]); + + /* print fs read IOs */ + seq_printf(seq, "fs data: %-16llu\n", + sbi->rw_iostat[FS_DATA_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_printf(seq, "fs discard: %-16llu\n", - sbi->write_iostat[FS_DISCARD]); + sbi->rw_iostat[FS_DISCARD]); return 0; } |