1 // SPDX-License-Identifier: GPL-2.0-only
3 * (C) 2011 Thomas Renninger <trenn@suse.de>, Novell Inc.
13 #include <sys/utsname.h>
15 #include "helpers/helpers.h"
16 #include "helpers/sysfs.h"
18 static struct option set_opts[] = {
19 {"perf-bias", optional_argument, NULL, 'b'},
23 static void print_wrong_arg_exit(void)
25 printf(_("invalid or unknown argument\n"));
29 int cmd_info(int argc, char **argv)
32 extern int optind, opterr, optopt;
45 if (!ret && (!strcmp(uts.machine, "ppc64le") ||
46 !strcmp(uts.machine, "ppc64"))) {
47 fprintf(stderr, _("Subcommand not supported on POWER.\n"));
51 setlocale(LC_ALL, "");
54 /* parameter parsing */
55 while ((ret = getopt_long(argc, argv, "b", set_opts, NULL)) != -1) {
59 print_wrong_arg_exit();
63 print_wrong_arg_exit();
70 /* Default is: show output of base_cpu only */
71 if (bitmask_isallclear(cpus_chosen))
72 bitmask_setbit(cpus_chosen, base_cpu);
74 /* Add more per cpu options here */
75 if (!params.perf_bias)
78 if (params.perf_bias) {
81 printf(_("Intel's performance bias setting needs root privileges\n"));
82 } else if (!(cpupower_cpu_info.caps & CPUPOWER_CAP_PERF_BIAS)) {
83 printf(_("System does not support Intel's performance"
90 for (cpu = bitmask_first(cpus_chosen);
91 cpu <= bitmask_last(cpus_chosen); cpu++) {
93 if (!bitmask_isbitset(cpus_chosen, cpu))
96 printf(_("analyzing CPU %d:\n"), cpu);
98 if (sysfs_is_cpu_online(cpu) != 1){
99 printf(_(" *is offline\n"));
103 if (params.perf_bias) {
104 ret = cpupower_intel_get_perf_bias(cpu);
107 _("Could not read perf-bias value[%d]\n"), ret);
110 printf(_("perf-bias: %d\n"), ret);