static void handle_options(int *argc, const char ***argv)
{
int ret, x, new_argc = 0;
if (*argc < 1)
return;
for (x = 0; x < *argc && ((*argv)[x])[0] == '-'; x++) {
const char *param = (*argv)[x];
if (!strcmp(param, "-h") || !strcmp(param, "--help")) {
print_help();
exit(EXIT_SUCCESS);
} else if (!strcmp(param, "-c") || !strcmp(param, "--cpu")) {
if (*argc < 2) {
print_help();
exit(EXIT_FAILURE);
}
if (!strcmp((*argv)[x+1], "all"))
bitmask_setall(cpus_chosen);
else {
ret = bitmask_parselist(
(*argv)[x+1], cpus_chosen);
if (ret < 0) {
fprintf(stderr, _("Error parsing cpu "
"list\n"));
exit(EXIT_FAILURE);
}
}
x += 1;
new_argc += 2;
continue;
} else if (!strcmp(param, "-v") ||
!strcmp(param, "--version")) {
print_version();
exit(EXIT_SUCCESS);
#ifdef DEBUG
} else if (!strcmp(param, "-d") || !strcmp(param, "--debug")) {
be_verbose = 1;
new_argc++;
continue;
#endif
} else {
fprintf(stderr, "Unknown option: %s\n", param);
print_help();
exit(EXIT_FAILURE);
}
}
*argc -= new_argc;
*argv += new_argc;
}
int cmd_freq_set(int argc, char **argv)
{
extern char *optarg;
extern int optind, opterr, optopt;
int ret = 0, cont = 1;
int double_parm = 0, related = 0, policychange = 0;
unsigned long freq = 0;
char gov[20];
unsigned int cpu;
struct cpufreq_policy new_pol = {
.min = 0,
.max = 0,
.governor = NULL,
};
/* parameter parsing */
do {
ret = getopt_long(argc, argv, "d:u:g:f:hr", set_opts, NULL);
switch (ret) {
case '?':
print_unknown_arg();
return -EINVAL;
case 'h':
freq_set_help();
return 0;
case -1:
cont = 0;
break;
case 'r':
if (related)
double_parm++;
related++;
break;
case 'd':
if (new_pol.min)
double_parm++;
policychange++;
new_pol.min = string_to_frequency(optarg);
if (new_pol.min == 0) {
print_unknown_arg();
return -EINVAL;
}
break;
case 'u':
if (new_pol.max)
double_parm++;
policychange++;
new_pol.max = string_to_frequency(optarg);
if (new_pol.max == 0) {
print_unknown_arg();
return -EINVAL;
}
break;
case 'f':
if (freq)
double_parm++;
freq = string_to_frequency(optarg);
if (freq == 0) {
print_unknown_arg();
return -EINVAL;
}
break;
case 'g':
if (new_pol.governor)
double_parm++;
policychange++;
if ((strlen(optarg) < 3) || (strlen(optarg) > 18)) {
print_unknown_arg();
return -EINVAL;
}
if ((sscanf(optarg, "%s", gov)) != 1) {
print_unknown_arg();
return -EINVAL;
}
new_pol.governor = gov;
break;
}
} while (cont);
/* parameter checking */
if (double_parm) {
printf("the same parameter was passed more than once\n");
return -EINVAL;
}
if (freq && policychange) {
printf(_("the -f/--freq parameter cannot be combined with -d/--min, -u/--max or\n"
"-g/--governor parameters\n"));
return -EINVAL;
}
if (!freq && !policychange) {
printf(_("At least one parameter out of -f/--freq, -d/--min, -u/--max, and\n"
"-g/--governor must be passed\n"));
return -EINVAL;
}
/* Default is: set all CPUs */
if (bitmask_isallclear(cpus_chosen))
bitmask_setall(cpus_chosen);
/* Also set frequency settings for related CPUs if -r is passed */
if (related) {
for (cpu = bitmask_first(cpus_chosen);
cpu <= bitmask_last(cpus_chosen); cpu++) {
struct cpufreq_affected_cpus *cpus;
if (!bitmask_isbitset(cpus_chosen, cpu) ||
cpufreq_cpu_exists(cpu))
continue;
cpus = cpufreq_get_related_cpus(cpu);
if (!cpus)
break;
while (cpus->next) {
bitmask_setbit(cpus_chosen, cpus->cpu);
cpus = cpus->next;
}
cpufreq_put_related_cpus(cpus);
}
}
/* loop over CPUs */
for (cpu = bitmask_first(cpus_chosen);
cpu <= bitmask_last(cpus_chosen); cpu++) {
if (!bitmask_isbitset(cpus_chosen, cpu) ||
cpufreq_cpu_exists(cpu))
continue;
printf(_("Setting cpu: %d\n"), cpu);
ret = do_one_cpu(cpu, &new_pol, freq, policychange);
if (ret)
break;
}
if (ret)
print_error();
return ret;
}
int cmd_set(int argc, char **argv)
{
extern char *optarg;
extern int optind, opterr, optopt;
unsigned int cpu;
union {
struct {
int perf_bias:1;
};
int params;
} params;
int perf_bias = 0;
int ret = 0;
setlocale(LC_ALL, "");
textdomain(PACKAGE);
params.params = 0;
/* parameter parsing */
while ((ret = getopt_long(argc, argv, "b:",
set_opts, NULL)) != -1) {
switch (ret) {
case 'b':
if (params.perf_bias)
print_wrong_arg_exit();
perf_bias = atoi(optarg);
if (perf_bias < 0 || perf_bias > 15) {
printf(_("--perf-bias param out "
"of range [0-%d]\n"), 15);
print_wrong_arg_exit();
}
params.perf_bias = 1;
break;
default:
print_wrong_arg_exit();
}
};
if (!params.params)
print_wrong_arg_exit();
/* Default is: set all CPUs */
if (bitmask_isallclear(cpus_chosen))
bitmask_setall(cpus_chosen);
/* loop over CPUs */
for (cpu = bitmask_first(cpus_chosen);
cpu <= bitmask_last(cpus_chosen); cpu++) {
if (!bitmask_isbitset(cpus_chosen, cpu) ||
cpufreq_cpu_exists(cpu))
continue;
if (params.perf_bias) {
ret = msr_intel_set_perf_bias(cpu, perf_bias);
if (ret) {
fprintf(stderr, _("Error setting perf-bias "
"value on CPU %d\n"), cpu);
break;
}
}
}
return ret;
}
int cmd_set(int argc, char **argv)
{
extern char *optarg;
extern int optind, opterr, optopt;
unsigned int cpu;
union {
struct {
int sched_mc:1;
int sched_smt:1;
int perf_bias:1;
};
int params;
} params;
int sched_mc = 0, sched_smt = 0, perf_bias = 0;
int ret = 0;
setlocale(LC_ALL, "");
textdomain(PACKAGE);
params.params = 0;
while ((ret = getopt_long(argc, argv, "m:s:b:",
set_opts, NULL)) != -1) {
switch (ret) {
case 'b':
if (params.perf_bias)
print_wrong_arg_exit();
perf_bias = atoi(optarg);
if (perf_bias < 0 || perf_bias > 15) {
printf(_("--perf-bias param out "
"of range [0-%d]\n"), 15);
print_wrong_arg_exit();
}
params.perf_bias = 1;
break;
case 'm':
if (params.sched_mc)
print_wrong_arg_exit();
sched_mc = atoi(optarg);
if (sched_mc < 0 || sched_mc > 2) {
printf(_("--sched-mc param out "
"of range [0-%d]\n"), 2);
print_wrong_arg_exit();
}
params.sched_mc = 1;
break;
case 's':
if (params.sched_smt)
print_wrong_arg_exit();
sched_smt = atoi(optarg);
if (sched_smt < 0 || sched_smt > 2) {
printf(_("--sched-smt param out "
"of range [0-%d]\n"), 2);
print_wrong_arg_exit();
}
params.sched_smt = 1;
break;
default:
print_wrong_arg_exit();
}
};
if (!params.params)
print_wrong_arg_exit();
if (params.sched_mc) {
ret = sysfs_set_sched("mc", sched_mc);
if (ret)
fprintf(stderr, _("Error setting sched-mc %s\n"),
(ret == -ENODEV) ? "not supported" : "");
}
if (params.sched_smt) {
ret = sysfs_set_sched("smt", sched_smt);
if (ret)
fprintf(stderr, _("Error setting sched-smt %s\n"),
(ret == -ENODEV) ? "not supported" : "");
}
if (bitmask_isallclear(cpus_chosen))
bitmask_setall(cpus_chosen);
for (cpu = bitmask_first(cpus_chosen);
cpu <= bitmask_last(cpus_chosen); cpu++) {
if (!bitmask_isbitset(cpus_chosen, cpu) ||
cpufreq_cpu_exists(cpu))
continue;
if (params.perf_bias) {
ret = msr_intel_set_perf_bias(cpu, perf_bias);
if (ret) {
fprintf(stderr, _("Error setting perf-bias "
"value on CPU %d\n"), cpu);
break;
}
}
}
return ret;
}
