Commit 8190b9ea authored by Srinivas Pandruvada's avatar Srinivas Pandruvada Committed by Rafael J. Wysocki
Browse files

thermal: intel: selftests: workload_hint: Support slow workload hints 



Add option to enable slow workload type hints. User can specify
"slow" as the command line argument to enable slow workload type hints.
There are two slow workload type hints: "power" and "performance".

Signed-off-by: default avatarSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://patch.msgid.link/20251218222559.4110027-3-srinivas.pandruvada@linux.intel.com


Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent a499c24c

tools/testing/selftests/thermal/intel/workload_hint/workload_hint_test.c

+52 −22
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ 


#define WORKLOAD_NOTIFICATION_DELAY_ATTRIBUTE "/sys/bus/pci/devices/0000:00:04.0/workload_hint/notification_delay_ms"

#define WORKLOAD_ENABLE_ATTRIBUTE "/sys/bus/pci/devices/0000:00:04.0/workload_hint/workload_hint_enable"

#define WORKLOAD_SLOW_ENABLE_ATTRIBUTE "/sys/bus/pci/devices/0000:00:04.0/workload_hint/workload_slow_hint_enable"

#define WORKLOAD_TYPE_INDEX_ATTRIBUTE  "/sys/bus/pci/devices/0000:00:04.0/workload_hint/workload_type_index"



static const char * const workload_types[] = {
@@ -22,6 +23,9 @@ static const char * const workload_types[] = { 
	NULL

};



static int wlt_slow;

static char *wlt_enable_attr;



#define WORKLOAD_TYPE_MAX_INDEX	3



void workload_hint_exit(int signum)
@@ -30,7 +34,7 @@ void workload_hint_exit(int signum) 


	/* Disable feature via sysfs knob */



	fd = open(WORKLOAD_ENABLE_ATTRIBUTE, O_RDWR);

	fd = open(wlt_enable_attr, O_RDWR);

	if (fd < 0) {

		perror("Unable to open workload type feature enable file");

		exit(1);
@@ -46,6 +50,26 @@ void workload_hint_exit(int signum) 
	close(fd);

}



static void update_delay(char *delay_str)

{

	int fd;



	printf("Setting notification delay in ms to %s\n", delay_str);



	fd = open(WORKLOAD_NOTIFICATION_DELAY_ATTRIBUTE, O_RDWR);

	if (fd < 0) {

		perror("Unable to open workload notification delay");

		exit(1);

	}



	if (write(fd, delay_str, strlen(delay_str)) < 0) {

		perror("Can't set delay");

		exit(1);

	}



	close(fd);

}



int main(int argc, char **argv)

{

	struct pollfd ufd;
@@ -54,32 +78,26 @@ int main(int argc, char **argv) 
	char delay_str[64];

	int delay = 0;



	printf("Usage: workload_hint_test [notification delay in milli seconds]\n");

	printf("Usage: workload_hint_test [notification delay in milli seconds][slow]\n");



	if (argc > 1) {

		int i;



		for (i = 1; i < argc; ++i) {

			if (!strcmp(argv[i], "slow")) {

				wlt_slow = 1;

				continue;

			}



			ret = sscanf(argv[1], "%d", &delay);

			if (ret < 0) {

				printf("Invalid delay\n");

				exit(1);

			}



		printf("Setting notification delay to %d ms\n", delay);

		if (delay < 0)

			exit(1);



			sprintf(delay_str, "%s\n", argv[1]);

		fd = open(WORKLOAD_NOTIFICATION_DELAY_ATTRIBUTE, O_RDWR);

		if (fd < 0) {

			perror("Unable to open workload notification delay");

			exit(1);

		}



		if (write(fd, delay_str, strlen(delay_str)) < 0) {

			perror("Can't set delay");

			exit(1);

			update_delay(delay_str);

		}



		close(fd);

	}



	if (signal(SIGINT, workload_hint_exit) == SIG_IGN)
@@ -89,8 +107,13 @@ int main(int argc, char **argv) 
	if (signal(SIGTERM, workload_hint_exit) == SIG_IGN)

		signal(SIGTERM, SIG_IGN);



	if (wlt_slow)

		wlt_enable_attr = WORKLOAD_SLOW_ENABLE_ATTRIBUTE;

	else

		wlt_enable_attr = WORKLOAD_ENABLE_ATTRIBUTE;



	/* Enable feature via sysfs knob */

	fd = open(WORKLOAD_ENABLE_ATTRIBUTE, O_RDWR);

	fd = open(wlt_enable_attr, O_RDWR);

	if (fd < 0) {

		perror("Unable to open workload type feature enable file");

		exit(1);
@@ -145,6 +168,13 @@ int main(int argc, char **argv) 
			if (ret < 0)

				break;



			if (wlt_slow) {

				if (index & 0x10)

					printf("workload type slow:%s\n", "power");

				else

					printf("workload type slow:%s\n", "performance");

			}



			index &= 0x0f;

			if (index > WORKLOAD_TYPE_MAX_INDEX)

				printf("Invalid workload type index\n");