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()
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()
134 				" on CPU %d -- are you root?\n"), cpu);  in get_boost_mode_x86()
164 				printf(_("    Pstate-Pb%d: %luMHz (boost state)"  in get_boost_mode_x86()
167 				printf(_("    Pstate-P%d:  %luMHz\n"),  in get_boost_mode_x86()
168 				       i - b_states, pstates[i]);  in get_boost_mode_x86()
181 		dprint ("    Ratio: 0x%llx - bclk: %f\n",  in get_boost_mode_x86()
219 /* --boost / -b */
235 		while (freqs->next) {  in get_boost_mode()
236 			print_speed(freqs->frequency, no_rounding);  in get_boost_mode()
238 			freqs = freqs->next;  in get_boost_mode()
240 		print_speed(freqs->frequency, no_rounding);  in get_boost_mode()
248 /* --freq / -f */
252 	unsigned long freq = cpufreq_get_freq_kernel(cpu);  in get_freq_kernel()  local
254 	if (!freq) {  in get_freq_kernel()
256 		return -EINVAL;  in get_freq_kernel()
259 		print_speed(freq, no_rounding);  in get_freq_kernel()
261 		printf("%lu", freq);  in get_freq_kernel()
267 /* --hwfreq / -w */
271 	unsigned long freq;  in get_freq_hardware()  local
274 		return -EINVAL;  in get_freq_hardware()
276 	freq = cpufreq_get_freq_hardware(cpu);  in get_freq_hardware()
278 	if (!freq) {  in get_freq_hardware()
280 		return -EINVAL;  in get_freq_hardware()
283 		print_speed(freq, no_rounding);  in get_freq_hardware()
285 		printf("%lu", freq);  in get_freq_hardware()
290 /* --hwlimits / -l */
294 	unsigned long min, max;  in get_hardware_limits()  local
296 	if (cpufreq_get_hardware_limits(cpu, &min, &max)) {  in get_hardware_limits()
298 		return -EINVAL;  in get_hardware_limits()
303 		print_speed(min, no_rounding);  in get_hardware_limits()
304 		printf(" - ");  in get_hardware_limits()
308 		printf("%lu %lu\n", min, max);  in get_hardware_limits()
313 /* --driver / -d */
320 		return -EINVAL;  in get_driver()
327 /* --policy / -p */
334 		return -EINVAL;  in get_policy()
337 	print_speed(policy->min, no_rounding);  in get_policy()
339 	print_speed(policy->max, no_rounding);  in get_policy()
344 	       policy->governor);  in get_policy()
349 /* --governors / -g */
359 		return -EINVAL;  in get_available_governors()
362 	while (governors->next) {  in get_available_governors()
363 		printf("%s ", governors->governor);  in get_available_governors()
364 		governors = governors->next;  in get_available_governors()
366 	printf("%s\n", governors->governor);  in get_available_governors()
372 /* --affected-cpus  / -a */
381 		return -EINVAL;  in get_affected_cpus()
384 	while (cpus->next) {  in get_affected_cpus()
385 		printf("%d ", cpus->cpu);  in get_affected_cpus()
386 		cpus = cpus->next;  in get_affected_cpus()
388 	printf("%d\n", cpus->cpu);  in get_affected_cpus()
393 /* --related-cpus  / -r */
402 		return -EINVAL;  in get_related_cpus()
405 	while (cpus->next) {  in get_related_cpus()
406 		printf("%d ", cpus->cpu);  in get_related_cpus()
407 		cpus = cpus->next;  in get_related_cpus()
409 	printf("%d\n", cpus->cpu);  in get_related_cpus()
414 /* --stats / -s */
423 			print_speed(stats->frequency, no_rounding);  in get_freq_stats()
425 				(100.0 * stats->time_in_state) / total_time);  in get_freq_stats()
428 				stats->frequency, stats->time_in_state);  in get_freq_stats()
429 		stats = stats->next;  in get_freq_stats()
439 /* --epp / -z */
447 		return -EINVAL;  in get_epp()
456 /* --latency / -y */
463 		return -EINVAL;  in get_latency()
468 		return -EINVAL;  in get_latency()
479 /* --performance / -c */
504 		while (freqs->next) {  in debug_output_one()
505 			print_speed(freqs->frequency, no_rounding);  in debug_output_one()
507 			freqs = freqs->next;  in debug_output_one()
509 		print_speed(freqs->frequency, no_rounding);  in debug_output_one()
525 	{"freq",	 no_argument,		 NULL,	 'f'},
531 	{"related-cpus",  no_argument,	 NULL,	 'r'},
532 	{"affected-cpus", no_argument,	 NULL,	 'a'},
537 	{"no-rounding", no_argument,	 NULL,	 'n'},
560 		case -1:  in cmd_freq_info()
579 				output_param = -1;  in cmd_freq_info()
587 				output_param = -1;  in cmd_freq_info()
606 				 "combined with passing a --cpu argument\n"));  in cmd_freq_info()
607 			return -EINVAL;  in cmd_freq_info()
621 	case -1:  in cmd_freq_info()
622 		printf(_("You can't specify more than one --cpu parameter and/or\n"  in cmd_freq_info()
623 		       "more than one output-specific argument\n"));  in cmd_freq_info()
624 		return -EINVAL;  in cmd_freq_info()
627 		return -EINVAL;  in cmd_freq_info()