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>tirimbino
Namjae Jeon
12 years ago
committed by
Jaegeuk Kim
parent
e66509f03e
commit
a2a4a7e4ab
@ -0,0 +1,195 @@ |
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#undef TRACE_SYSTEM |
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#define TRACE_SYSTEM f2fs |
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|
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#if !defined(_TRACE_F2FS_H) || defined(TRACE_HEADER_MULTI_READ) |
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#define _TRACE_F2FS_H |
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#include <linux/tracepoint.h> |
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#define show_dev(entry) MAJOR(entry->dev), MINOR(entry->dev) |
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#define show_dev_ino(entry) show_dev(entry), (unsigned long)entry->ino |
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DECLARE_EVENT_CLASS(f2fs__inode, |
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TP_PROTO(struct inode *inode), |
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TP_ARGS(inode), |
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TP_STRUCT__entry( |
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__field(dev_t, dev) |
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__field(ino_t, ino) |
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__field(ino_t, pino) |
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__field(umode_t, mode) |
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__field(loff_t, size) |
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__field(unsigned int, nlink) |
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__field(blkcnt_t, blocks) |
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__field(__u8, advise) |
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), |
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TP_fast_assign( |
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__entry->dev = inode->i_sb->s_dev; |
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__entry->ino = inode->i_ino; |
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__entry->pino = F2FS_I(inode)->i_pino; |
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__entry->mode = inode->i_mode; |
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__entry->nlink = inode->i_nlink; |
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__entry->size = inode->i_size; |
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__entry->blocks = inode->i_blocks; |
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__entry->advise = F2FS_I(inode)->i_advise; |
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), |
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TP_printk("dev = (%d,%d), ino = %lu, pino = %lu, i_mode = 0x%hx, " |
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"i_size = %lld, i_nlink = %u, i_blocks = %llu, i_advise = 0x%x", |
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show_dev_ino(__entry), |
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(unsigned long)__entry->pino, |
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__entry->mode, |
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__entry->size, |
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(unsigned int)__entry->nlink, |
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(unsigned long long)__entry->blocks, |
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(unsigned char)__entry->advise) |
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); |
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DECLARE_EVENT_CLASS(f2fs__inode_exit, |
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TP_PROTO(struct inode *inode, int ret), |
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TP_ARGS(inode, ret), |
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TP_STRUCT__entry( |
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__field(dev_t, dev) |
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__field(ino_t, ino) |
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__field(int, ret) |
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), |
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TP_fast_assign( |
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__entry->dev = inode->i_sb->s_dev; |
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__entry->ino = inode->i_ino; |
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__entry->ret = ret; |
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), |
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TP_printk("dev = (%d,%d), ino = %lu, ret = %d", |
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show_dev_ino(__entry), |
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__entry->ret) |
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); |
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DEFINE_EVENT(f2fs__inode, f2fs_sync_file_enter, |
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TP_PROTO(struct inode *inode), |
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TP_ARGS(inode) |
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); |
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TRACE_EVENT(f2fs_sync_file_exit, |
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TP_PROTO(struct inode *inode, bool need_cp, int datasync, int ret), |
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TP_ARGS(inode, need_cp, datasync, ret), |
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TP_STRUCT__entry( |
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__field(dev_t, dev) |
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__field(ino_t, ino) |
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__field(bool, need_cp) |
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__field(int, datasync) |
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__field(int, ret) |
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), |
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TP_fast_assign( |
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__entry->dev = inode->i_sb->s_dev; |
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__entry->ino = inode->i_ino; |
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__entry->need_cp = need_cp; |
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__entry->datasync = datasync; |
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__entry->ret = ret; |
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), |
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TP_printk("dev = (%d,%d), ino = %lu, checkpoint is %s, " |
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"datasync = %d, ret = %d", |
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show_dev_ino(__entry), |
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__entry->need_cp ? "needed" : "not needed", |
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__entry->datasync, |
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__entry->ret) |
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); |
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TRACE_EVENT(f2fs_sync_fs, |
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TP_PROTO(struct super_block *sb, int wait), |
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TP_ARGS(sb, wait), |
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TP_STRUCT__entry( |
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__field(dev_t, dev) |
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__field(int, dirty) |
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__field(int, wait) |
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), |
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TP_fast_assign( |
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__entry->dev = sb->s_dev; |
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__entry->dirty = F2FS_SB(sb)->s_dirty; |
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__entry->wait = wait; |
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), |
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TP_printk("dev = (%d,%d), superblock is %s, wait = %d", |
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show_dev(__entry), |
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__entry->dirty ? "dirty" : "not dirty", |
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__entry->wait) |
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); |
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DEFINE_EVENT(f2fs__inode, f2fs_iget, |
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TP_PROTO(struct inode *inode), |
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TP_ARGS(inode) |
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); |
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DEFINE_EVENT(f2fs__inode_exit, f2fs_iget_exit, |
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TP_PROTO(struct inode *inode, int ret), |
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TP_ARGS(inode, ret) |
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); |
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DEFINE_EVENT(f2fs__inode, f2fs_evict_inode, |
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TP_PROTO(struct inode *inode), |
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TP_ARGS(inode) |
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); |
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TRACE_EVENT(f2fs_unlink_enter, |
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TP_PROTO(struct inode *dir, struct dentry *dentry), |
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TP_ARGS(dir, dentry), |
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TP_STRUCT__entry( |
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__field(dev_t, dev) |
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__field(ino_t, ino) |
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__field(loff_t, size) |
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__field(blkcnt_t, blocks) |
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__field(const char *, name) |
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), |
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TP_fast_assign( |
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__entry->dev = dir->i_sb->s_dev; |
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__entry->ino = dir->i_ino; |
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__entry->size = dir->i_size; |
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__entry->blocks = dir->i_blocks; |
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__entry->name = dentry->d_name.name; |
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), |
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TP_printk("dev = (%d,%d), dir ino = %lu, i_size = %lld, " |
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"i_blocks = %llu, name = %s", |
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show_dev_ino(__entry), |
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__entry->size, |
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(unsigned long long)__entry->blocks, |
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__entry->name) |
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); |
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DEFINE_EVENT(f2fs__inode_exit, f2fs_unlink_exit, |
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TP_PROTO(struct inode *inode, int ret), |
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TP_ARGS(inode, ret) |
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); |
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#endif /* _TRACE_F2FS_H */ |
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/* This part must be outside protection */ |
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#include <trace/define_trace.h> |
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