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author | Namjae Jeon <namjae.jeon@samsung.com> | 2013-04-19 16:28:40 (GMT) |
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committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-04-23 06:30:27 (GMT) |
commit | a2a4a7e4abb27c833d4e09ac1d434ab48a64062c (patch) | |
tree | d23f6c9419d72e66f24c2094d79a43d6e17a6cb9 /include/trace | |
parent | e66509f03e36ef4750bfab8f3a5cf632b313a39b (diff) | |
download | linux-a2a4a7e4abb27c833d4e09ac1d434ab48a64062c.tar.xz |
f2fs: add tracepoints for sync & inode operations
Add tracepoints in f2fs for tracing the syncing
operations like filesystem sync, file sync enter/exit.
It will helf to trace the code under debugging scenarios.
Also add tracepoints for tracing the various inode operations
like building inode, eviction of inode, link/unlike of
inodes.
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Pankaj Kumar <pankaj.km@samsung.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
[Jaegeuk: combine and modify the tracepoint structures]
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'include/trace')
-rw-r--r-- | include/trace/events/f2fs.h | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h new file mode 100644 index 0000000..03bb0db --- /dev/null +++ b/include/trace/events/f2fs.h @@ -0,0 +1,195 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM f2fs + +#if !defined(_TRACE_F2FS_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_F2FS_H + +#include <linux/tracepoint.h> + +#define show_dev(entry) MAJOR(entry->dev), MINOR(entry->dev) +#define show_dev_ino(entry) show_dev(entry), (unsigned long)entry->ino + +DECLARE_EVENT_CLASS(f2fs__inode, + + TP_PROTO(struct inode *inode), + + TP_ARGS(inode), + + TP_STRUCT__entry( + __field(dev_t, dev) + __field(ino_t, ino) + __field(ino_t, pino) + __field(umode_t, mode) + __field(loff_t, size) + __field(unsigned int, nlink) + __field(blkcnt_t, blocks) + __field(__u8, advise) + ), + + TP_fast_assign( + __entry->dev = inode->i_sb->s_dev; + __entry->ino = inode->i_ino; + __entry->pino = F2FS_I(inode)->i_pino; + __entry->mode = inode->i_mode; + __entry->nlink = inode->i_nlink; + __entry->size = inode->i_size; + __entry->blocks = inode->i_blocks; + __entry->advise = F2FS_I(inode)->i_advise; + ), + + TP_printk("dev = (%d,%d), ino = %lu, pino = %lu, i_mode = 0x%hx, " + "i_size = %lld, i_nlink = %u, i_blocks = %llu, i_advise = 0x%x", + show_dev_ino(__entry), + (unsigned long)__entry->pino, + __entry->mode, + __entry->size, + (unsigned int)__entry->nlink, + (unsigned long long)__entry->blocks, + (unsigned char)__entry->advise) +); + +DECLARE_EVENT_CLASS(f2fs__inode_exit, + + TP_PROTO(struct inode *inode, int ret), + + TP_ARGS(inode, ret), + + TP_STRUCT__entry( + __field(dev_t, dev) + __field(ino_t, ino) + __field(int, ret) + ), + + TP_fast_assign( + __entry->dev = inode->i_sb->s_dev; + __entry->ino = inode->i_ino; + __entry->ret = ret; + ), + + TP_printk("dev = (%d,%d), ino = %lu, ret = %d", + show_dev_ino(__entry), + __entry->ret) +); + +DEFINE_EVENT(f2fs__inode, f2fs_sync_file_enter, + + TP_PROTO(struct inode *inode), + + TP_ARGS(inode) +); + +TRACE_EVENT(f2fs_sync_file_exit, + + TP_PROTO(struct inode *inode, bool need_cp, int datasync, int ret), + + TP_ARGS(inode, need_cp, datasync, ret), + + TP_STRUCT__entry( + __field(dev_t, dev) + __field(ino_t, ino) + __field(bool, need_cp) + __field(int, datasync) + __field(int, ret) + ), + + TP_fast_assign( + __entry->dev = inode->i_sb->s_dev; + __entry->ino = inode->i_ino; + __entry->need_cp = need_cp; + __entry->datasync = datasync; + __entry->ret = ret; + ), + + TP_printk("dev = (%d,%d), ino = %lu, checkpoint is %s, " + "datasync = %d, ret = %d", + show_dev_ino(__entry), + __entry->need_cp ? "needed" : "not needed", + __entry->datasync, + __entry->ret) +); + +TRACE_EVENT(f2fs_sync_fs, + + TP_PROTO(struct super_block *sb, int wait), + + TP_ARGS(sb, wait), + + TP_STRUCT__entry( + __field(dev_t, dev) + __field(int, dirty) + __field(int, wait) + ), + + TP_fast_assign( + __entry->dev = sb->s_dev; + __entry->dirty = F2FS_SB(sb)->s_dirty; + __entry->wait = wait; + ), + + TP_printk("dev = (%d,%d), superblock is %s, wait = %d", + show_dev(__entry), + __entry->dirty ? "dirty" : "not dirty", + __entry->wait) +); + +DEFINE_EVENT(f2fs__inode, f2fs_iget, + + TP_PROTO(struct inode *inode), + + TP_ARGS(inode) +); + +DEFINE_EVENT(f2fs__inode_exit, f2fs_iget_exit, + + TP_PROTO(struct inode *inode, int ret), + + TP_ARGS(inode, ret) +); + +DEFINE_EVENT(f2fs__inode, f2fs_evict_inode, + + TP_PROTO(struct inode *inode), + + TP_ARGS(inode) +); + +TRACE_EVENT(f2fs_unlink_enter, + + TP_PROTO(struct inode *dir, struct dentry *dentry), + + TP_ARGS(dir, dentry), + + TP_STRUCT__entry( + __field(dev_t, dev) + __field(ino_t, ino) + __field(loff_t, size) + __field(blkcnt_t, blocks) + __field(const char *, name) + ), + + TP_fast_assign( + __entry->dev = dir->i_sb->s_dev; + __entry->ino = dir->i_ino; + __entry->size = dir->i_size; + __entry->blocks = dir->i_blocks; + __entry->name = dentry->d_name.name; + ), + + TP_printk("dev = (%d,%d), dir ino = %lu, i_size = %lld, " + "i_blocks = %llu, name = %s", + show_dev_ino(__entry), + __entry->size, + (unsigned long long)__entry->blocks, + __entry->name) +); + +DEFINE_EVENT(f2fs__inode_exit, f2fs_unlink_exit, + + TP_PROTO(struct inode *inode, int ret), + + TP_ARGS(inode, ret) +); +#endif /* _TRACE_F2FS_H */ + + /* This part must be outside protection */ +#include <trace/define_trace.h> |