f2fs: add tracepoint for set_page_dirty

This patch adds a tracepoint for set_page_dirty.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

1 files changed, 44 insertions, 0 deletions

diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index 52ae54828eda..ebde3afb89cd 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -36,6 +36,11 @@
                 { CURSEG_COLD_NODE,     "Cold NODE" },                  \
                 { NO_CHECK_TYPE,        "No TYPE" })
 
+#define show_file_type(type)                                            \
+        __print_symbolic(type,                                          \
+                { 0,            "FILE" },                               \
+                { 1,            "DIR" })
+
 #define show_gc_type(type)                                              \
         __print_symbolic(type,                                          \
                 { FG_GC,        "Foreground GC" },                      \
@@ -623,6 +628,45 @@ TRACE_EVENT(f2fs_do_submit_bio,
                 __entry->size)
 );
 
+DECLARE_EVENT_CLASS(f2fs__page,
+
+        TP_PROTO(struct page *page, int type),
+
+        TP_ARGS(page, type),
+
+        TP_STRUCT__entry(
+                __field(dev_t,  dev)
+                __field(ino_t,  ino)
+                __field(int, type)
+                __field(int, dir)
+                __field(pgoff_t, index)
+                __field(int, dirty)
+        ),
+
+        TP_fast_assign(
+                __entry->dev    = page->mapping->host->i_sb->s_dev;
+                __entry->ino    = page->mapping->host->i_ino;
+                __entry->type   = type;
+                __entry->dir    = S_ISDIR(page->mapping->host->i_mode);
+                __entry->index  = page->index;
+                __entry->dirty  = PageDirty(page);
+        ),
+
+        TP_printk("dev = (%d,%d), ino = %lu, %s, %s, index = %lu, dirty = %d",
+                show_dev_ino(__entry),
+                show_block_type(__entry->type),
+                show_file_type(__entry->dir),
+                (unsigned long)__entry->index,
+                __entry->dirty)
+);
+
+DEFINE_EVENT(f2fs__page, f2fs_set_page_dirty,
+
+        TP_PROTO(struct page *page, int type),
+
+        TP_ARGS(page, type)
+);
+
 TRACE_EVENT(f2fs_submit_write_page,
 
         TP_PROTO(struct page *page, block_t blk_addr, int type),