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authorNamjae Jeon <namjae.jeon@samsung.com>2013-04-23 16:38:02 +0900
committerJaegeuk Kim <jaegeuk.kim@samsung.com>2013-04-23 16:40:43 +0900
commit848753aa3b19a6513315ca54f22ba1e2732ea94a (patch)
treece20c2bc01505b67a9ce3fe0291b84bff22dde5d /include/trace/events
parent51dd62493477923723c797c6da60121ed39900ed (diff)
downloadvexpress-lsk-848753aa3b19a6513315ca54f22ba1e2732ea94a.tar.gz
f2fs: add tracepoint for tracing the page i/o
Add tracepoints for page i/o operations and block allocation tracing during page read operation. 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/events')
-rw-r--r--include/trace/events/f2fs.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index 4bbd19f79d2..924e69aa984 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -8,6 +8,15 @@
#define show_dev(entry) MAJOR(entry->dev), MINOR(entry->dev)
#define show_dev_ino(entry) show_dev(entry), (unsigned long)entry->ino
+#define show_bio_type(type) \
+ __print_symbolic(type, \
+ { READ, "READ" }, \
+ { READA, "READAHEAD" }, \
+ { READ_SYNC, "READ_SYNC" }, \
+ { WRITE, "WRITE" }, \
+ { WRITE_SYNC, "WRITE_SYNC" }, \
+ { WRITE_FLUSH, "WRITE_FLUSH" }, \
+ { WRITE_FUA, "WRITE_FUA" })
DECLARE_EVENT_CLASS(f2fs__inode,
@@ -365,6 +374,71 @@ TRACE_EVENT(f2fs_truncate_partial_nodes,
__entry->err)
);
+TRACE_EVENT_CONDITION(f2fs_readpage,
+
+ TP_PROTO(struct page *page, sector_t blkaddr, int type),
+
+ TP_ARGS(page, blkaddr, type),
+
+ TP_CONDITION(page->mapping),
+
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(ino_t, ino)
+ __field(pgoff_t, index)
+ __field(sector_t, blkaddr)
+ __field(int, type)
+ ),
+
+ TP_fast_assign(
+ __entry->dev = page->mapping->host->i_sb->s_dev;
+ __entry->ino = page->mapping->host->i_ino;
+ __entry->index = page->index;
+ __entry->blkaddr = blkaddr;
+ __entry->type = type;
+ ),
+
+ TP_printk("dev = (%d,%d), ino = %lu, page_index = 0x%lx, "
+ "blkaddr = 0x%llx, bio_type = %s",
+ show_dev_ino(__entry),
+ (unsigned long)__entry->index,
+ (unsigned long long)__entry->blkaddr,
+ show_bio_type(__entry->type))
+);
+
+TRACE_EVENT(f2fs_get_data_block,
+ TP_PROTO(struct inode *inode, sector_t iblock,
+ struct buffer_head *bh, int ret),
+
+ TP_ARGS(inode, iblock, bh, ret),
+
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(ino_t, ino)
+ __field(sector_t, iblock)
+ __field(sector_t, bh_start)
+ __field(size_t, bh_size)
+ __field(int, ret)
+ ),
+
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->iblock = iblock;
+ __entry->bh_start = bh->b_blocknr;
+ __entry->bh_size = bh->b_size;
+ __entry->ret = ret;
+ ),
+
+ TP_printk("dev = (%d,%d), ino = %lu, file offset = %llu, "
+ "start blkaddr = 0x%llx, len = 0x%llx bytes, err = %d",
+ show_dev_ino(__entry),
+ (unsigned long long)__entry->iblock,
+ (unsigned long long)__entry->bh_start,
+ (unsigned long long)__entry->bh_size,
+ __entry->ret)
+);
+
#endif /* _TRACE_F2FS_H */
/* This part must be outside protection */