| author | Chao Yu <yuchao0@huawei.com> | 2019-04-15 07:22:19 (GMT) |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2019-05-09 04:47:06 (GMT) |
| commit | de69ac794f7e3e57f67c3f814f30e00bf48b99c9 (patch) | |
| tree | aa276b7f91adc081c6a4c8c97ae96f964cbf4837 | |
| parent | a9cc2e453cead89e0483ce6c6e98dda502eb4b2d (diff) | |
| download | common-de69ac794f7e3e57f67c3f814f30e00bf48b99c9.zip common-de69ac794f7e3e57f67c3f814f30e00bf48b99c9.tar.gz common-de69ac794f7e3e57f67c3f814f30e00bf48b99c9.tar.bz2 | |
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 5c8040d..24fe54e 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -40,6 +40,8 @@ static int f2fs_filemap_fault(struct vm_area_struct *vma, err = filemap_fault(vma, vmf); up_read(&F2FS_I(inode)->i_mmap_sem); + trace_f2fs_filemap_fault(inode, vmf->pgoff, (unsigned long)err); + return err; } diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index 402512e..cea051b 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -1277,6 +1277,32 @@ 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), |