Commit 2d601b98 authored by liqiong's avatar liqiong Committed by Steven Rostedt (Google)
Browse files

tracing: Change "char *" string form to "char []" 

The "char []" string form declares a single variable. It is better
than "char *" which creates two variables in the final assembly.

Link: https://lkml.kernel.org/r/20220512143230.28796-1-liqiong@nfschina.com



Signed-off-by: default avatarliqiong <liqiong@nfschina.com>
Signed-off-by: default avatarSteven Rostedt (Google) <rostedt@goodmis.org>
parent 9c556e5a

kernel/trace/trace.c

+1 −1
Original line number Diff line number Diff line
@@ -4252,7 +4252,7 @@ static void print_func_help_header_irq(struct array_buffer *buf, struct seq_file 
				       unsigned int flags)

{

	bool tgid = flags & TRACE_ITER_RECORD_TGID;

	const char *space = "            ";

	static const char space[] = "            ";

	int prec = tgid ? 12 : 2;



	print_event_info(buf, m);

kernel/trace/trace_events_hist.c

+1 −1
Original line number Diff line number Diff line
@@ -4165,7 +4165,7 @@ static int create_val_field(struct hist_trigger_data *hist_data, 
	return __create_val_field(hist_data, val_idx, file, NULL, field_str, 0);

}



static const char *no_comm = "(no comm)";

static const char no_comm[] = "(no comm)";



static u64 hist_field_execname(struct hist_field *hist_field,

			       struct tracing_map_elt *elt,