[PATCH] trace/page_ref: print out the page migratetype name

[Huang Shijie]

Print out the page migratetype name which is more readable.

Signed-off-by: Huang Shijie <sjhu...@iluvatar.ai>
---
 include/trace/events/page_ref.h | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/include/trace/events/page_ref.h b/include/trace/events/page_ref.h
index 5d2ea93956ce..94df979c2d6b 100644
--- a/include/trace/events/page_ref.h
+++ b/include/trace/events/page_ref.h
@@ -36,11 +36,12 @@ DECLARE_EVENT_CLASS(page_ref_mod_template,
                __entry->val = v;
        ),
 
-       TP_printk("pfn=0x%lx flags=%s count=%d mapcount=%d mapping=%p mt=%d 
val=%d",
+       TP_printk("pfn=0x%lx flags=%s count=%d mapcount=%d mapping=%p mt=%s 
val=%d",
                __entry->pfn,
                show_page_flags(__entry->flags & ((1UL << NR_PAGEFLAGS) - 1)),
                __entry->count,
-               __entry->mapcount, __entry->mapping, __entry->mt,
+               __entry->mapcount, __entry->mapping,
+               migratetype_names[__entry->mt],
                __entry->val)
 );
 
@@ -86,11 +87,12 @@ DECLARE_EVENT_CLASS(page_ref_mod_and_test_template,
                __entry->ret = ret;
        ),
 
-       TP_printk("pfn=0x%lx flags=%s count=%d mapcount=%d mapping=%p mt=%d 
val=%d ret=%d",
+       TP_printk("pfn=0x%lx flags=%s count=%d mapcount=%d mapping=%p mt=%s 
val=%d ret=%d",
                __entry->pfn,
                show_page_flags(__entry->flags & ((1UL << NR_PAGEFLAGS) - 1)),
                __entry->count,
-               __entry->mapcount, __entry->mapping, __entry->mt,
+               __entry->mapcount, __entry->mapping,
+               migratetype_names[__entry->mt],
                __entry->val, __entry->ret)
 );
 
-- 
2.17.1