[PATCH] f2fs: trace in batches extent info update

From: Chao Yu
Date: Sun Sep 06 2015 - 05:51:27 EST


Rename trace_f2fs_update_extent_tree to trace_f2fs_update_extent_tree_range,
then expand and enable it to trace in batches extent info updates.

Signed-off-by: Chao Yu <chao2.yu@xxxxxxxxxxx>
---
fs/f2fs/extent_cache.c | 2 ++
include/trace/events/f2fs.h | 15 ++++++++++-----
2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/fs/f2fs/extent_cache.c b/fs/f2fs/extent_cache.c
index 00b2b3f..0227260 100644
--- a/fs/f2fs/extent_cache.c
+++ b/fs/f2fs/extent_cache.c
@@ -409,6 +409,8 @@ unsigned int f2fs_update_extent_tree_range(struct inode *inode,
if (!et)
return false;

+ trace_f2fs_update_extent_tree_range(inode, fofs, blkaddr, len);
+
write_lock(&et->lock);

if (is_inode_flag_set(F2FS_I(inode), FI_NO_EXTENT)) {
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index a019465..6aa63d9 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -1132,17 +1132,19 @@ TRACE_EVENT_CONDITION(f2fs_lookup_extent_tree_end,
__entry->len)
);

-TRACE_EVENT(f2fs_update_extent_tree,
+TRACE_EVENT(f2fs_update_extent_tree_range,

- TP_PROTO(struct inode *inode, unsigned int pgofs, block_t blkaddr),
+ TP_PROTO(struct inode *inode, unsigned int pgofs, block_t blkaddr,
+ unsigned int len),

- TP_ARGS(inode, pgofs, blkaddr),
+ TP_ARGS(inode, pgofs, blkaddr, len),

TP_STRUCT__entry(
__field(dev_t, dev)
__field(ino_t, ino)
__field(unsigned int, pgofs)
__field(u32, blk)
+ __field(unsigned int, len)
),

TP_fast_assign(
@@ -1150,12 +1152,15 @@ TRACE_EVENT(f2fs_update_extent_tree,
__entry->ino = inode->i_ino;
__entry->pgofs = pgofs;
__entry->blk = blkaddr;
+ __entry->len = len;
),

- TP_printk("dev = (%d,%d), ino = %lu, pgofs = %u, blkaddr = %u",
+ TP_printk("dev = (%d,%d), ino = %lu, pgofs = %u, "
+ "blkaddr = %u, len = %u",
show_dev_ino(__entry),
__entry->pgofs,
- __entry->blk)
+ __entry->blk,
+ __entry->len)
);

TRACE_EVENT(f2fs_shrink_extent_tree,
--
2.4.2


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