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Diffstat (limited to 'fs/ocfs2/dlmglue.c')
-rw-r--r--fs/ocfs2/dlmglue.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index b5fc5d3c7525..5f696be267e7 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -460,6 +460,8 @@ static void ocfs2_update_lock_stats(struct ocfs2_lock_res *res, int level,
if (ret)
stats->ls_fail++;
+
+ stats->ls_last = ktime_to_us(ktime_get_real());
}
static inline void ocfs2_track_lock_refresh(struct ocfs2_lock_res *lockres)
@@ -3079,8 +3081,10 @@ static void *ocfs2_dlm_seq_next(struct seq_file *m, void *v, loff_t *pos)
* - Lock stats printed
* New in version 3
* - Max time in lock stats is in usecs (instead of nsecs)
+ * New in version 4
+ * - Add last pr/ex unlock times in usecs
*/
-#define OCFS2_DLM_DEBUG_STR_VERSION 3
+#define OCFS2_DLM_DEBUG_STR_VERSION 4
static int ocfs2_dlm_seq_show(struct seq_file *m, void *v)
{
int i;
@@ -3131,6 +3135,8 @@ static int ocfs2_dlm_seq_show(struct seq_file *m, void *v)
# define lock_max_prmode(_l) ((_l)->l_lock_prmode.ls_max)
# define lock_max_exmode(_l) ((_l)->l_lock_exmode.ls_max)
# define lock_refresh(_l) ((_l)->l_lock_refresh)
+# define lock_last_prmode(_l) ((_l)->l_lock_prmode.ls_last)
+# define lock_last_exmode(_l) ((_l)->l_lock_exmode.ls_last)
#else
# define lock_num_prmode(_l) (0)
# define lock_num_exmode(_l) (0)
@@ -3141,6 +3147,8 @@ static int ocfs2_dlm_seq_show(struct seq_file *m, void *v)
# define lock_max_prmode(_l) (0)
# define lock_max_exmode(_l) (0)
# define lock_refresh(_l) (0)
+# define lock_last_prmode(_l) (0ULL)
+# define lock_last_exmode(_l) (0ULL)
#endif
/* The following seq_print was added in version 2 of this output */
seq_printf(m, "%u\t"
@@ -3151,7 +3159,9 @@ static int ocfs2_dlm_seq_show(struct seq_file *m, void *v)
"%llu\t"
"%u\t"
"%u\t"
- "%u\t",
+ "%u\t"
+ "%llu\t"
+ "%llu\t",
lock_num_prmode(lockres),
lock_num_exmode(lockres),
lock_num_prmode_failed(lockres),
@@ -3160,7 +3170,9 @@ static int ocfs2_dlm_seq_show(struct seq_file *m, void *v)
lock_total_exmode(lockres),
lock_max_prmode(lockres),
lock_max_exmode(lockres),
- lock_refresh(lockres));
+ lock_refresh(lockres),
+ lock_last_prmode(lockres),
+ lock_last_exmode(lockres));
/* End the line */
seq_printf(m, "\n");