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authorChao Yu <chao2.yu@samsung.com>2014-05-06 12:51:24 +0400
committerJaegeuk Kim <jaegeuk.kim@samsung.com>2014-05-07 05:21:59 +0400
commite57484343898094bb8f72a2aa1a50929d27aa027 (patch)
tree546dabf60fe27846c3a8ea2a834a9bb5bec4b42c /include/trace
parentecda0de3430455378f1c02523bf3ad71d91d613a (diff)
downloadlinux-e57484343898094bb8f72a2aa1a50929d27aa027.tar.xz
f2fs: add a tracepoint for f2fs_write_{meta,node,data}_pages
This patch adds a tracepoint for f2fs_write_{meta,node,data}_pages to trace when pages are fsyncing/flushing. Signed-off-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/f2fs.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index d70991e69e58..91b1fcc5ec93 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -772,6 +772,70 @@ DEFINE_EVENT(f2fs__page, f2fs_vm_page_mkwrite,
TP_ARGS(page, type)
);
+TRACE_EVENT(f2fs_writepages,
+
+ TP_PROTO(struct inode *inode, struct writeback_control *wbc, int type),
+
+ TP_ARGS(inode, wbc, type),
+
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(ino_t, ino)
+ __field(int, type)
+ __field(int, dir)
+ __field(long, nr_to_write)
+ __field(long, pages_skipped)
+ __field(loff_t, range_start)
+ __field(loff_t, range_end)
+ __field(pgoff_t, writeback_index)
+ __field(int, sync_mode)
+ __field(char, for_kupdate)
+ __field(char, for_background)
+ __field(char, tagged_writepages)
+ __field(char, for_reclaim)
+ __field(char, range_cyclic)
+ __field(char, for_sync)
+ ),
+
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->type = type;
+ __entry->dir = S_ISDIR(inode->i_mode);
+ __entry->nr_to_write = wbc->nr_to_write;
+ __entry->pages_skipped = wbc->pages_skipped;
+ __entry->range_start = wbc->range_start;
+ __entry->range_end = wbc->range_end;
+ __entry->writeback_index = inode->i_mapping->writeback_index;
+ __entry->sync_mode = wbc->sync_mode;
+ __entry->for_kupdate = wbc->for_kupdate;
+ __entry->for_background = wbc->for_background;
+ __entry->tagged_writepages = wbc->tagged_writepages;
+ __entry->for_reclaim = wbc->for_reclaim;
+ __entry->range_cyclic = wbc->range_cyclic;
+ __entry->for_sync = wbc->for_sync;
+ ),
+
+ TP_printk("dev = (%d,%d), ino = %lu, %s, %s, nr_to_write %ld, "
+ "skipped %ld, start %lld, end %lld, wb_idx %lu, sync_mode %d, "
+ "kupdate %u background %u tagged %u reclaim %u cyclic %u sync %u",
+ show_dev_ino(__entry),
+ show_block_type(__entry->type),
+ show_file_type(__entry->dir),
+ __entry->nr_to_write,
+ __entry->pages_skipped,
+ __entry->range_start,
+ __entry->range_end,
+ (unsigned long)__entry->writeback_index,
+ __entry->sync_mode,
+ __entry->for_kupdate,
+ __entry->for_background,
+ __entry->tagged_writepages,
+ __entry->for_reclaim,
+ __entry->range_cyclic,
+ __entry->for_sync)
+);
+
TRACE_EVENT(f2fs_submit_page_mbio,
TP_PROTO(struct page *page, int rw, int type, block_t blk_addr),