- added time command

- changed syntax of time measurements to seconds, e.g. 1.2324s

git-svn-id: svn://svn.berlios.de/openocd/trunk@321 b42882b7-edfa-0310-969c-e2dbd0fdcd60

src/helper/command.c

@@ -29,6 +29,7 @@
 #include "command.h"
 
 #include "log.h"
+#include "time_support.h"
 
 #include <stdlib.h>
 #include <string.h>
@@ -40,6 +41,7 @@
 void command_print_help_line(command_context_t* context, struct command_s *command, int indent);
 
 int handle_sleep_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 
 int build_unique_lengths(command_context_t *context, command_t *commands)
 {
@@ -569,6 +571,9 @@ command_context_t* command_init()
 	register_command(context, NULL, "sleep", handle_sleep_command,
 					 COMMAND_ANY, "sleep for <n> milliseconds");
 	
+	register_command(context, NULL, "time", handle_time_command,
+					 COMMAND_ANY, "time <cmd + args> - execute <cmd + args> and print time it took");
+	
 	return context;
 }
 
@@ -587,3 +592,27 @@ int handle_sleep_command(struct command_context_s *cmd_ctx, char *cmd, char **ar
 
 	return ERROR_OK;
 }
+
+int handle_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+	if (argc<1)
+		return ERROR_COMMAND_SYNTAX_ERROR;
+	
+	duration_t duration;
+	char *duration_text;
+	int retval;
+	
+	duration_start_measure(&duration);
+	
+	retval = find_and_run_command(cmd_ctx, cmd_ctx->commands, args, argc, 0);
+	
+	duration_stop_measure(&duration, &duration_text);
+	
+	float t=duration.duration.tv_sec;
+	t+=((float)duration.duration.tv_usec / 1000000.0);
+	command_print(cmd_ctx, "%s took %fs", args[0], t);
+	
+	free(duration_text);
+
+	return retval;
+}

src/helper/time_support.c

@@ -102,8 +102,11 @@ int duration_stop_measure(duration_t *duration, char **text)
 	
 	if (text)
 	{
-		*text = malloc(16);
-		snprintf(*text, 16, "%lis %lius", duration->duration.tv_sec, duration->duration.tv_usec);
+		float t;
+		t=duration->duration.tv_sec;
+		t+=(float)duration->duration.tv_usec/1000000.0;
+		*text = malloc(100);
+		snprintf(*text, 100, "%fs", t);
 	}
 	
 	return ERROR_OK;