Commit 2c7dc57e authored by Srinivas Pandruvada's avatar Srinivas Pandruvada
Browse files

tools/power/x86/intel-speed-select: Add new command to get/set TRL 



Add a new command to get and set TRL (Turbo Ratio Limits). This will
help users to get/set TRL, when the direct MSR access is removed.

Signed-off-by: default avatarSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
parent 006050a6

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

+52 −1
Original line number Original line Diff line number Diff line
@@ -2353,6 +2353,53 @@ static void set_turbo_mode(int arg) 
	isst_ctdp_display_information_end(outf);

	isst_ctdp_display_information_end(outf);

}

}





static void get_set_trl(int cpu, void *arg1, void *arg2, void *arg3,

			void *arg4)

{

	unsigned long long trl;

	int set = *(int *)arg4;

	int ret;



	if (set && !fact_trl) {

		isst_display_error_info_message(1, "Invalid TRL. Specify with [-t|--trl]", 0, 0);

		exit(0);

	}



	if (set) {

		ret = isst_set_trl(cpu, fact_trl);

		isst_display_result(cpu, outf, "turbo-mode", "set-trl", ret);

		return;

	}



	ret = isst_get_trl(cpu, &trl);

	if (ret)

		isst_display_result(cpu, outf, "turbo-mode", "get-trl", ret);

	else

		isst_trl_display_information(cpu, outf, trl);

}



static void process_trl(int arg)

{

	if (cmd_help) {

		if (arg) {

			fprintf(stderr, "Set TRL (turbo ratio limits)\n");

			fprintf(stderr, "\t t|--trl: Specify turbo ratio limit for setting TRL\n");

		} else {

			fprintf(stderr, "Get TRL (turbo ratio limits)\n");

		}

		exit(0);

	}



	isst_ctdp_display_information_start(outf);

	if (max_target_cpus)

		for_each_online_target_cpu_in_set(get_set_trl, NULL,

						  NULL, NULL, &arg);

	else

		for_each_online_package_in_set(get_set_trl, NULL,

					       NULL, NULL, &arg);

	isst_ctdp_display_information_end(outf);

}



static struct process_cmd_struct clx_n_cmds[] = {

static struct process_cmd_struct clx_n_cmds[] = {

	{ "perf-profile", "info", dump_isst_config, 0 },

	{ "perf-profile", "info", dump_isst_config, 0 },

	{ "base-freq", "info", dump_pbf_config, 0 },

	{ "base-freq", "info", dump_pbf_config, 0 },
@@ -2385,6 +2432,8 @@ static struct process_cmd_struct isst_cmds[] = { 
	{ "core-power", "get-assoc", get_clos_assoc, 0 },

	{ "core-power", "get-assoc", get_clos_assoc, 0 },

	{ "turbo-mode", "enable", set_turbo_mode, 0 },

	{ "turbo-mode", "enable", set_turbo_mode, 0 },

	{ "turbo-mode", "disable", set_turbo_mode, 1 },

	{ "turbo-mode", "disable", set_turbo_mode, 1 },

	{ "turbo-mode", "get-trl", process_trl, 0 },

	{ "turbo-mode", "set-trl", process_trl, 1 },

	{ NULL, NULL, NULL }

	{ NULL, NULL, NULL }

};

};
@@ -2602,9 +2651,11 @@ static void fact_help(void) 




static void turbo_mode_help(void)

static void turbo_mode_help(void)

{

{

	printf("turbo-mode:\tEnables users to enable/disable turbo mode by adjusting frequency settings\n");

	printf("turbo-mode:\tEnables users to enable/disable turbo mode by adjusting frequency settings. Also allows to get and set turbo ratio limits (TRL).\n");

	printf("\tcommand : enable\n");

	printf("\tcommand : enable\n");

	printf("\tcommand : disable\n");

	printf("\tcommand : disable\n");

	printf("\tcommand : get-trl\n");

	printf("\tcommand : set-trl\n");

}

}

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

+11 −0
Original line number Original line Diff line number Diff line
@@ -665,6 +665,17 @@ int isst_get_fact_info(int cpu, int level, int fact_bucket, struct isst_fact_inf 
	return 0;

	return 0;

}

}





int isst_get_trl(int cpu, unsigned long long *trl)

{

	int ret;



	ret = isst_send_msr_command(cpu, 0x1AD, 0, trl);

	if (ret)

		return ret;



	return 0;

}



int isst_set_trl(int cpu, unsigned long long trl)

int isst_set_trl(int cpu, unsigned long long trl)

{

{

	int ret;

	int ret;

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

+18 −0
Original line number Original line Diff line number Diff line
@@ -763,3 +763,21 @@ void isst_display_error_info_message(int error, char *msg, int arg_valid, int ar 
	if (!start)

	if (!start)

		format_and_print(outf, 0, NULL, NULL);

		format_and_print(outf, 0, NULL, NULL);

}

}



void isst_trl_display_information(int cpu, FILE *outf, unsigned long long trl)

{

	char header[256];

	char value[256];

	int level;



	level = print_package_info(cpu, outf);



	snprintf(header, sizeof(header), "get-trl");

	format_and_print(outf, level + 1, header, NULL);



	snprintf(header, sizeof(header), "trl");

	snprintf(value, sizeof(value), "0x%llx", trl);

	format_and_print(outf, level + 2, header, value);



	format_and_print(outf, level, NULL, NULL);

}

tools/power/x86/intel-speed-select/isst.h

+2 −0
Original line number Original line Diff line number Diff line
@@ -228,6 +228,7 @@ extern void isst_fact_display_information(int cpu, FILE *outf, int level, 
					  int fact_bucket, int fact_avx,

					  int fact_bucket, int fact_avx,

					  struct isst_fact_info *fact_info);

					  struct isst_fact_info *fact_info);

extern int isst_set_trl(int cpu, unsigned long long trl);

extern int isst_set_trl(int cpu, unsigned long long trl);

extern int isst_get_trl(int cpu, unsigned long long *trl);

extern int isst_set_trl_from_current_tdp(int cpu, unsigned long long trl);

extern int isst_set_trl_from_current_tdp(int cpu, unsigned long long trl);

extern int isst_get_config_tdp_lock_status(int cpu);

extern int isst_get_config_tdp_lock_status(int cpu);
@@ -256,4 +257,5 @@ extern int get_cpufreq_base_freq(int cpu); 
extern int isst_read_pm_config(int cpu, int *cp_state, int *cp_cap);

extern int isst_read_pm_config(int cpu, int *cp_state, int *cp_cap);

extern void isst_display_error_info_message(int error, char *msg, int arg_valid, int arg);

extern void isst_display_error_info_message(int error, char *msg, int arg_valid, int arg);

extern int is_skx_based_platform(void);

extern int is_skx_based_platform(void);

extern void isst_trl_display_information(int cpu, FILE *outf, unsigned long long trl);

#endif
 
#endif