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authorLinus Torvalds <torvalds@linux-foundation.org>2011-12-23 20:25:36 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-12-23 20:25:36 -0800
commit6d451c578c7222c7e9305c2e776a654dc6ec06c3 (patch)
tree93288fb3bba3ece1de4117e7db8f74754db5d66e /include
parent71448c1f4fd7c1b2bab766b3bf2b675cfe71b9ff (diff)
parentb3bba872ddb0320a7ecb54decae53c13ceb2ed4c (diff)
Merge tag 'writeback' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux
for linus: writeback reason binary tracing format fix * tag 'writeback' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux: writeback: show writeback reason with __print_symbolic
Diffstat (limited to 'include')
-rw-r--r--include/trace/events/writeback.h15
1 files changed, 13 insertions, 2 deletions
diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h
index b99caa8b780..99d1d0decf8 100644
--- a/include/trace/events/writeback.h
+++ b/include/trace/events/writeback.h
@@ -21,6 +21,16 @@
{I_REFERENCED, "I_REFERENCED"} \
)
+#define WB_WORK_REASON \
+ {WB_REASON_BACKGROUND, "background"}, \
+ {WB_REASON_TRY_TO_FREE_PAGES, "try_to_free_pages"}, \
+ {WB_REASON_SYNC, "sync"}, \
+ {WB_REASON_PERIODIC, "periodic"}, \
+ {WB_REASON_LAPTOP_TIMER, "laptop_timer"}, \
+ {WB_REASON_FREE_MORE_MEM, "free_more_memory"}, \
+ {WB_REASON_FS_FREE_SPACE, "fs_free_space"}, \
+ {WB_REASON_FORKER_THREAD, "forker_thread"}
+
struct wb_writeback_work;
DECLARE_EVENT_CLASS(writeback_work_class,
@@ -55,7 +65,7 @@ DECLARE_EVENT_CLASS(writeback_work_class,
__entry->for_kupdate,
__entry->range_cyclic,
__entry->for_background,
- wb_reason_name[__entry->reason]
+ __print_symbolic(__entry->reason, WB_WORK_REASON)
)
);
#define DEFINE_WRITEBACK_WORK_EVENT(name) \
@@ -184,7 +194,8 @@ TRACE_EVENT(writeback_queue_io,
__entry->older, /* older_than_this in jiffies */
__entry->age, /* older_than_this in relative milliseconds */
__entry->moved,
- wb_reason_name[__entry->reason])
+ __print_symbolic(__entry->reason, WB_WORK_REASON)
+ )
);
TRACE_EVENT(global_dirty_state,