diff options
| author | Chao Yu | 2019-04-15 15:22:19 +0800 |
|---|---|---|
| committer | Jaegeuk Kim | 2019-05-08 21:23:13 -0700 |
| commit | d764834378a9870ca56e9b2977ea46e9911ec358 (patch) | |
| tree | b2ad2e39e2e2f5b3a44fda6fa145ec73825c4ed6 | |
| parent | 93770ab7a6e963147a5dbca25278b69ba6c8f8c5 (diff) | |
f2fs: add tracepoint for f2fs_filemap_fault()
This patch adds tracepoint for f2fs_filemap_fault().
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
| -rw-r--r-- | fs/f2fs/file.c | 2 | ||||
| -rw-r--r-- | include/trace/events/f2fs.h | 26 |
2 files changed, 28 insertions, 0 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 3baa39e3e1fd..45b45f37d347 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -39,6 +39,8 @@ static vm_fault_t f2fs_filemap_fault(struct vm_fault *vmf) ret = filemap_fault(vmf); up_read(&F2FS_I(inode)->i_mmap_sem); + trace_f2fs_filemap_fault(inode, vmf->pgoff, (unsigned long)ret); + return ret; } diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index 353a6fff2b80..53b96f12300c 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -1284,6 +1284,32 @@ DEFINE_EVENT(f2fs__page, f2fs_commit_inmem_page, TP_ARGS(page, type) ); +TRACE_EVENT(f2fs_filemap_fault, + + TP_PROTO(struct inode *inode, pgoff_t index, unsigned long ret), + + TP_ARGS(inode, index, ret), + + TP_STRUCT__entry( + __field(dev_t, dev) + __field(ino_t, ino) + __field(pgoff_t, index) + __field(unsigned long, ret) + ), + + TP_fast_assign( + __entry->dev = inode->i_sb->s_dev; + __entry->ino = inode->i_ino; + __entry->index = index; + __entry->ret = ret; + ), + + TP_printk("dev = (%d,%d), ino = %lu, index = %lu, ret = %lx", + show_dev_ino(__entry), + (unsigned long)__entry->index, + __entry->ret) +); + TRACE_EVENT(f2fs_writepages, TP_PROTO(struct inode *inode, struct writeback_control *wbc, int type), |