f2fs: add detailed information of bio types in the tracepoints

This patch inserts information of bio types in more detail.
So, we can now see REQ_META and REQ_PRIO too.

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

1 files changed, 17 insertions, 5 deletions

diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index 1f59f5db55e5..204fcc3201b1 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -16,8 +16,13 @@
                 { META,         "META" },                               \
                 { META_FLUSH,   "META_FLUSH" })
 
-#define show_bio_type(type)                                             \
-        __print_symbolic(type,                                          \
+#define F2FS_BIO_MASK(t)        (t & (READA | WRITE_FLUSH_FUA))
+#define F2FS_BIO_EXTRA_MASK(t)  (t & (REQ_META | REQ_PRIO))
+
+#define show_bio_type(type)     show_bio_base(type), show_bio_extra(type)
+
+#define show_bio_base(type)                                             \
+        __print_symbolic(F2FS_BIO_MASK(type),                           \
                 { READ,                 "READ" },                       \
                 { READA,                "READAHEAD" },                  \
                 { READ_SYNC,            "READ_SYNC" },                  \
@@ -27,6 +32,13 @@
                 { WRITE_FUA,            "WRITE_FUA" },                  \
                 { WRITE_FLUSH_FUA,      "WRITE_FLUSH_FUA" })
 
+#define show_bio_extra(type)                                            \
+        __print_symbolic(F2FS_BIO_EXTRA_MASK(type),                     \
+                { REQ_META,             "(M)" },                        \
+                { REQ_PRIO,             "(P)" },                        \
+                { REQ_META | REQ_PRIO,  "(MP)" },                       \
+                { 0, " \b" })
+
 #define show_data_type(type)                                            \
         __print_symbolic(type,                                          \
                 { CURSEG_HOT_DATA,      "Hot DATA" },                   \
@@ -447,7 +459,7 @@ TRACE_EVENT_CONDITION(f2fs_readpage,
         ),
 
         TP_printk("dev = (%d,%d), ino = %lu, page_index = 0x%lx, "
-                "blkaddr = 0x%llx, bio_type = %s",
+                "blkaddr = 0x%llx, bio_type = %s%s",
                 show_dev_ino(__entry),
                 (unsigned long)__entry->index,
                 (unsigned long long)__entry->blkaddr,
@@ -621,7 +633,7 @@ DECLARE_EVENT_CLASS(f2fs__submit_bio,
                 __entry->size           = bio->bi_size;
         ),
 
-        TP_printk("dev = (%d,%d), %s, %s, sector = %lld, size = %u",
+        TP_printk("dev = (%d,%d), %s%s, %s, sector = %lld, size = %u",
                 show_dev(__entry),
                 show_bio_type(__entry->rw),
                 show_block_type(__entry->type),
@@ -713,7 +725,7 @@ DECLARE_EVENT_CLASS(f2fs_io_page,
                 __entry->block  = blk_addr;
         ),
 
-        TP_printk("dev = (%d,%d), ino = %lu, %s, %s, index = %lu, blkaddr = 0x%llx",
+        TP_printk("dev = (%d,%d), ino = %lu, %s%s, %s, index = %lu, blkaddr = 0x%llx",
                 show_dev_ino(__entry),
                 show_bio_type(__entry->rw),
                 show_block_type(__entry->type),