2 * (C) 2011 Thomas Renninger <trenn@suse.de>, Novell Inc.
4 * Licensed under the terms of the GNU GPL License version 2.
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;
43 setlocale(LC_ALL, "");
46 /* parameter parsing */
47 while ((ret = getopt_long(argc, argv, "b", set_opts, NULL)) != -1) {
51 print_wrong_arg_exit();
55 print_wrong_arg_exit();
62 /* Default is: show output of CPU 0 only */
63 if (bitmask_isallclear(cpus_chosen))
64 bitmask_setbit(cpus_chosen, 0);
66 /* Add more per cpu options here */
67 if (!params.perf_bias)
70 if (params.perf_bias) {
73 printf(_("Intel's performance bias setting needs root privileges\n"));
74 } else if (!(cpupower_cpu_info.caps & CPUPOWER_CAP_PERF_BIAS)) {
75 printf(_("System does not support Intel's performance"
82 for (cpu = bitmask_first(cpus_chosen);
83 cpu <= bitmask_last(cpus_chosen); cpu++) {
85 if (!bitmask_isbitset(cpus_chosen, cpu))
88 printf(_("analyzing CPU %d:\n"), cpu);
90 if (sysfs_is_cpu_online(cpu) != 1){
91 printf(_(" *is offline\n"));
95 if (params.perf_bias) {
96 ret = msr_intel_get_perf_bias(cpu);
99 _("Could not read perf-bias value[%d]\n"), ret);
102 printf(_("perf-bias: %d\n"), ret);