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f2fs: support read iostat

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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>
This commit is contained in:
Chao Yu 2020-04-16 18:16:56 +08:00 • committed by Jaegeuk Kim
commit d7bbecc6b8
8 changed files with 118 additions and 31 deletions
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23
include/trace/events/f2fs.h
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@ -1832,6 +1832,13 @@ TRACE_EVENT(f2fs_iostat,
__field(unsigned long long, fs_cp_dio)
__field(unsigned long long, fs_cp_nio)
__field(unsigned long long, fs_cp_mio)
__field(unsigned long long, app_drio)
__field(unsigned long long, app_brio)
__field(unsigned long long, app_rio)
__field(unsigned long long, app_mrio)
__field(unsigned long long, fs_drio)
__field(unsigned long long, fs_nrio)
__field(unsigned long long, fs_mrio)
__field(unsigned long long, fs_discard)
),
@ -1849,6 +1856,13 @@ TRACE_EVENT(f2fs_iostat,
__entry->fs_cp_dio = iostat[FS_CP_DATA_IO];
__entry->fs_cp_nio = iostat[FS_CP_NODE_IO];
__entry->fs_cp_mio = iostat[FS_CP_META_IO];
__entry->app_drio = iostat[APP_DIRECT_READ_IO];
__entry->app_brio = iostat[APP_BUFFERED_READ_IO];
__entry->app_rio = iostat[APP_READ_IO];
__entry->app_mrio = iostat[APP_MAPPED_READ_IO];
__entry->fs_drio = iostat[FS_DATA_READ_IO];
__entry->fs_nrio = iostat[FS_NODE_READ_IO];
__entry->fs_mrio = iostat[FS_META_READ_IO];
__entry->fs_discard = iostat[FS_DISCARD];
),
@ -1856,12 +1870,17 @@ TRACE_EVENT(f2fs_iostat,
"app [write=%llu (direct=%llu, buffered=%llu), mapped=%llu], "
"fs [data=%llu, node=%llu, meta=%llu, discard=%llu], "
"gc [data=%llu, node=%llu], "
"cp [data=%llu, node=%llu, meta=%llu]",
"cp [data=%llu, node=%llu, meta=%llu], "
"app [read=%llu (direct=%llu, buffered=%llu), mapped=%llu], "
"fs [data=%llu, node=%llu, meta=%llu]",
show_dev(__entry->dev), __entry->app_wio, __entry->app_dio,
__entry->app_bio, __entry->app_mio, __entry->fs_dio,
__entry->fs_nio, __entry->fs_mio, __entry->fs_discard,
__entry->fs_gc_dio, __entry->fs_gc_nio, __entry->fs_cp_dio,
__entry->fs_cp_nio, __entry->fs_cp_mio)
__entry->fs_cp_nio, __entry->fs_cp_mio,
__entry->app_rio, __entry->app_drio, __entry->app_brio,
__entry->app_mrio, __entry->fs_drio, __entry->fs_nrio,
__entry->fs_mrio)
);
#endif /* _TRACE_F2FS_H */