1 // SPDX-License-Identifier: GPL-2.0-only
3  *  (C) 2004-2009  Dominik Brodowski <linux@dominikbrodowski.de>
39 		value[LINE_LEN - 1] = '\0';  in count_cpus()
40 		if (strlen(value) < (LINE_LEN - 2))  in count_cpus()
62 	unsigned long min, max;  in proc_cpufreq_output()  local
64 	printf(_("          minimum CPU frequency  -  maximum CPU frequency  -  governor\n"));  in proc_cpufreq_output()
72 		if (cpufreq_get_hardware_limits(cpu, &min, &max)) {  in proc_cpufreq_output()
73 			max = 0;  in proc_cpufreq_output()
75 			min_pctg = (policy->min * 100) / max;  in proc_cpufreq_output()
76 			max_pctg = (policy->max * 100) / max;  in proc_cpufreq_output()
78 		printf("CPU%3d    %9lu kHz (%3d %%)  -  %9lu kHz (%3d %%)  -  %s\n",  in proc_cpufreq_output()
79 			cpu , policy->min, max ? min_pctg : 0, policy->max,  in proc_cpufreq_output()
80 			max ? max_pctg : 0, policy->governor);  in proc_cpufreq_output()
172 				" on CPU %d -- are you root?\n"), cpu);  in get_boost_mode_x86()
199 				printf(_("    Pstate-Pb%d: %luMHz (boost state)"  in get_boost_mode_x86()
202 				printf(_("    Pstate-P%d:  %luMHz\n"),  in get_boost_mode_x86()
203 				       i - b_states, pstates[i]);  in get_boost_mode_x86()
216 		dprint ("    Ratio: 0x%llx - bclk: %f\n",  in get_boost_mode_x86()
221 			printf(_("    %.0f MHz max turbo 4 active cores\n"),  in get_boost_mode_x86()
226 			printf(_("    %.0f MHz max turbo 3 active cores\n"),  in get_boost_mode_x86()
231 			printf(_("    %.0f MHz max turbo 2 active cores\n"),  in get_boost_mode_x86()
236 			printf(_("    %.0f MHz max turbo 1 active cores\n"),  in get_boost_mode_x86()
242 /* --boost / -b */
255 		printf(_("  boost frequency steps: "));  in get_boost_mode()
256 		while (freqs->next) {  in get_boost_mode()
257 			print_speed(freqs->frequency);  in get_boost_mode()
259 			freqs = freqs->next;  in get_boost_mode()
261 		print_speed(freqs->frequency);  in get_boost_mode()
269 /* --freq / -f */
274 	printf(_("  current CPU frequency: "));  in get_freq_kernel()
277 		return -EINVAL;  in get_freq_kernel()
288 /* --hwfreq / -w */
293 	printf(_("  current CPU frequency: "));  in get_freq_hardware()
296 		return -EINVAL;  in get_freq_hardware()
306 /* --hwlimits / -l */
310 	unsigned long min, max;  in get_hardware_limits()  local
312 	if (cpufreq_get_hardware_limits(cpu, &min, &max)) {  in get_hardware_limits()
314 		return -EINVAL;  in get_hardware_limits()
320 		printf(" - ");  in get_hardware_limits()
321 		print_speed(max);  in get_hardware_limits()
324 		printf("%lu %lu\n", min, max);  in get_hardware_limits()
329 /* --driver / -d */
336 		return -EINVAL;  in get_driver()
343 /* --policy / -p */
350 		return -EINVAL;  in get_policy()
352 	printf(_("  current policy: frequency should be within "));  in get_policy()
353 	print_speed(policy->min);  in get_policy()
355 	print_speed(policy->max);  in get_policy()
360 	       policy->governor);  in get_policy()
365 /* --governors / -g */
375 		return -EINVAL;  in get_available_governors()
378 	while (governors->next) {  in get_available_governors()
379 		printf("%s ", governors->governor);  in get_available_governors()
380 		governors = governors->next;  in get_available_governors()
382 	printf("%s\n", governors->governor);  in get_available_governors()
388 /* --affected-cpus  / -a */
394 	printf(_("  CPUs which need to have their frequency coordinated by software: "));  in get_affected_cpus()
397 		return -EINVAL;  in get_affected_cpus()
400 	while (cpus->next) {  in get_affected_cpus()
401 		printf("%d ", cpus->cpu);  in get_affected_cpus()
402 		cpus = cpus->next;  in get_affected_cpus()
404 	printf("%d\n", cpus->cpu);  in get_affected_cpus()
409 /* --related-cpus  / -r */
415 	printf(_("  CPUs which run at the same hardware frequency: "));  in get_related_cpus()
418 		return -EINVAL;  in get_related_cpus()
421 	while (cpus->next) {  in get_related_cpus()
422 		printf("%d ", cpus->cpu);  in get_related_cpus()
423 		cpus = cpus->next;  in get_related_cpus()
425 	printf("%d\n", cpus->cpu);  in get_related_cpus()
430 /* --stats / -s */
439 			print_speed(stats->frequency);  in get_freq_stats()
441 				(100.0 * stats->time_in_state) / total_time);  in get_freq_stats()
444 				stats->frequency, stats->time_in_state);  in get_freq_stats()
445 		stats = stats->next;  in get_freq_stats()
455 /* --latency / -y */
464 		return -EINVAL;  in get_latency()
487 		printf(_("  available frequency steps:  "));  in debug_output_one()
488 		while (freqs->next) {  in debug_output_one()
489 			print_speed(freqs->frequency);  in debug_output_one()
491 			freqs = freqs->next;  in debug_output_one()
493 		print_speed(freqs->frequency);  in debug_output_one()
514 	{"related-cpus",  no_argument,	 NULL,	 'r'},
515 	{"affected-cpus", no_argument,	 NULL,	 'a'},
520 	{"no-rounding", no_argument,	 NULL,	 'n'},
541 		case -1:  in cmd_freq_info()
558 				output_param = -1;  in cmd_freq_info()
566 				output_param = -1;  in cmd_freq_info()
585 				 "combined with passing a --cpu argument\n"));  in cmd_freq_info()
586 			return -EINVAL;  in cmd_freq_info()
600 	case -1:  in cmd_freq_info()
601 		printf(_("You can't specify more than one --cpu parameter and/or\n"  in cmd_freq_info()
602 		       "more than one output-specific argument\n"));  in cmd_freq_info()
603 		return -EINVAL;  in cmd_freq_info()
606 		return -EINVAL;  in cmd_freq_info()