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| author | Chao Yu <chao2.yu@samsung.com> | 2014-05-06 08:46:04 (GMT) |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2014-05-07 01:21:59 (GMT) |
| commit | 62aed044ea4bef36ac3f6885611b013b11c9be2d (patch) | |
| tree | 650bb88860691bfae122e4be3f56c8c9789d465e /include/trace | |
| parent | 8b376249e7e659c41896e0d3e9b25d1230a4e7f6 (diff) | |
| download | linux-62aed044ea4bef36ac3f6885611b013b11c9be2d.tar.xz | |
f2fs: add a tracepoint for f2fs_write_begin
This patch adds a tracepoint for f2fs_write_begin to trace write op of user.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/f2fs.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index 67f38fa..1e9375a 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -659,6 +659,36 @@ DEFINE_EVENT_CONDITION(f2fs__submit_bio, f2fs_submit_read_bio, TP_CONDITION(bio) ); +TRACE_EVENT(f2fs_write_begin, + + TP_PROTO(struct inode *inode, loff_t pos, unsigned int len, + unsigned int flags), + + TP_ARGS(inode, pos, len, flags), + + TP_STRUCT__entry( + __field(dev_t, dev) + __field(ino_t, ino) + __field(loff_t, pos) + __field(unsigned int, len) + __field(unsigned int, flags) + ), + + TP_fast_assign( + __entry->dev = inode->i_sb->s_dev; + __entry->ino = inode->i_ino; + __entry->pos = pos; + __entry->len = len; + __entry->flags = flags; + ), + + TP_printk("dev = (%d,%d), ino = %lu, pos = %llu, len = %u, flags = %u", + show_dev_ino(__entry), + (unsigned long long)__entry->pos, + __entry->len, + __entry->flags) +); + DECLARE_EVENT_CLASS(f2fs__page, TP_PROTO(struct page *page, int type), |