Commit a85a35fc authored by Srinivas Pandruvada's avatar Srinivas Pandruvada
Browse files

tools/power/x86/intel-speed-select: Add option to delay mbox commands 



Add option "p|--pause" to introduce delay between two mail box commands
for test purpose. This delay can be specified in milliseconds. By default
there is no delay between two mailbox commands.

Signed-off-by: default avatarSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
parent 6374de84

tools/power/x86/intel-speed-select/isst-config.c

+15 −0
Original line number Diff line number Diff line
@@ -44,6 +44,8 @@ static int force_online_offline; 
static int auto_mode;

static int fact_enable_fail;



static int mbox_delay;



/* clos related */

static int current_clos = -1;

static int clos_epp = -1;
@@ -788,6 +790,9 @@ int isst_send_mbox_command(unsigned int cpu, unsigned char command, 
	mbox_cmds.mbox_cmd[0].parameter = parameter;

	mbox_cmds.mbox_cmd[0].req_data = req_data;



	if (mbox_delay)

		usleep(mbox_delay * 1000);



	fd = open(pathname, O_RDWR);

	if (fd < 0)

		err(-1, "%s open failed", pathname);
@@ -2599,6 +2604,7 @@ static void usage(void) 
	printf("\t[-i|--info] : Print platform information\n");

	printf("\t[-o|--out] : Output file\n");

	printf("\t\t\tDefault : stderr\n");

	printf("\t[-p|--pause] : Delay between two mail box commands in milliseconds\n");

	printf("\t[-v|--version] : Print version\n");



	printf("\nResult format\n");
@@ -2630,6 +2636,7 @@ static void print_version(void) 
static void cmdline(int argc, char **argv)

{

	const char *pathname = "/dev/isst_interface";

	char *ptr;

	FILE *fp;

	int opt;

	int option_index = 0;
@@ -2641,6 +2648,7 @@ static void cmdline(int argc, char **argv) 
		{ "format", required_argument, 0, 'f' },

		{ "help", no_argument, 0, 'h' },

		{ "info", no_argument, 0, 'i' },

		{ "pause", required_argument, 0, 'p' },

		{ "out", required_argument, 0, 'o' },

		{ "version", no_argument, 0, 'v' },

		{ 0, 0, 0, 0 }
@@ -2694,6 +2702,13 @@ static void cmdline(int argc, char **argv) 
				fclose(outf);

			outf = fopen_or_exit(optarg, "w");

			break;

		case 'p':

			ret = strtol(optarg, &ptr, 10);

			if (!ret)

				fprintf(stderr, "Invalid pause interval, ignore\n");

			else

				mbox_delay = ret;

			break;

		case 'v':

			print_version();

			break;

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