1 files changed, 5 insertions, 4 deletions

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 1a37da2e8534..3b918283cf94 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -886,6 +886,7 @@ tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags,
 
         entry->preempt_count            = pc & 0xff;
         entry->pid                      = (tsk) ? tsk->pid : 0;
+        entry->lock_depth               = (tsk) ? tsk->lock_depth : 0;
         entry->flags =
 #ifdef CONFIG_TRACE_IRQFLAGS_SUPPORT
                 (irqs_disabled_flags(flags) ? TRACE_FLAG_IRQS_OFF : 0) |
@@ -1530,10 +1531,10 @@ static void print_lat_help_header(struct seq_file *m)
         seq_puts(m, "#                | / _----=> need-resched    \n");
         seq_puts(m, "#                || / _---=> hardirq/softirq \n");
         seq_puts(m, "#                ||| / _--=> preempt-depth   \n");
-        seq_puts(m, "#                |||| /                      \n");
-        seq_puts(m, "#                |||||     delay             \n");
-        seq_puts(m, "#  cmd     pid   ||||| time  |   caller      \n");
-        seq_puts(m, "#     \\   /      |||||   \\   |   /           \n");
+        seq_puts(m, "#                |||| /_--=> lock-depth       \n");
+        seq_puts(m, "#                |||||/     delay             \n");
+        seq_puts(m, "#  cmd     pid   |||||| time  |   caller      \n");
+        seq_puts(m, "#     \\   /      ||||||   \\   |   /           \n");
 }
 
 static void print_func_help_header(struct seq_file *m)