diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index 1a99e7939c2b..22b32af1b5ec 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -37,7 +37,6 @@ struct trace_entry { unsigned char flags; unsigned char preempt_count; int pid; - int lock_depth; }; #define FTRACE_MAX_EVENT \ diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 85e3ee1e474e..fd6e1b906b3c 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -1101,7 +1101,6 @@ 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) | @@ -1748,10 +1747,9 @@ 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, "# |||| /_--=> lock-depth \n"); - seq_puts(m, "# |||||/ delay \n"); - seq_puts(m, "# cmd pid |||||| time | caller \n"); - seq_puts(m, "# \\ / |||||| \\ | / \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) diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index 5f499e0438a4..e1d579b19834 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -116,7 +116,6 @@ static int trace_define_common_fields(void) __common_field(unsigned char, flags); __common_field(unsigned char, preempt_count); __common_field(int, pid); - __common_field(int, lock_depth); return ret; } diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c index 02272baa2206..151f32e5f2c6 100644 --- a/kernel/trace/trace_output.c +++ b/kernel/trace/trace_output.c @@ -529,7 +529,7 @@ seq_print_ip_sym(struct trace_seq *s, unsigned long ip, unsigned long sym_flags) * @entry: The trace entry field from the ring buffer * * Prints the generic fields of irqs off, in hard or softirq, preempt - * count and lock depth. + * count. */ int trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry) { @@ -554,13 +554,7 @@ int trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry) else ret = trace_seq_putc(s, '.'); - if (!ret) - return 0; - - if (entry->lock_depth < 0) - return trace_seq_putc(s, '.'); - - return trace_seq_printf(s, "%d", entry->lock_depth); + return ret; } static int