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Diffstat (limited to 'tools/power/cpupower/utils/cpupower-set.c')
-rw-r--r--tools/power/cpupower/utils/cpupower-set.c65
1 files changed, 63 insertions, 2 deletions
diff --git a/tools/power/cpupower/utils/cpupower-set.c b/tools/power/cpupower/utils/cpupower-set.c
index 180d5ba877e6..0677b58374ab 100644
--- a/tools/power/cpupower/utils/cpupower-set.c
+++ b/tools/power/cpupower/utils/cpupower-set.c
@@ -18,6 +18,9 @@
static struct option set_opts[] = {
{"perf-bias", required_argument, NULL, 'b'},
+ {"epp", required_argument, NULL, 'e'},
+ {"amd-pstate-mode", required_argument, NULL, 'm'},
+ {"turbo-boost", required_argument, NULL, 't'},
{ },
};
@@ -37,11 +40,15 @@ int cmd_set(int argc, char **argv)
union {
struct {
int perf_bias:1;
+ int epp:1;
+ int mode:1;
+ int turbo_boost:1;
};
int params;
} params;
- int perf_bias = 0;
+ int perf_bias = 0, turbo_boost = 1;
int ret = 0;
+ char epp[30], mode[20];
ret = uname(&uts);
if (!ret && (!strcmp(uts.machine, "ppc64le") ||
@@ -55,7 +62,7 @@ int cmd_set(int argc, char **argv)
params.params = 0;
/* parameter parsing */
- while ((ret = getopt_long(argc, argv, "b:",
+ while ((ret = getopt_long(argc, argv, "b:e:m:",
set_opts, NULL)) != -1) {
switch (ret) {
case 'b':
@@ -69,6 +76,38 @@ int cmd_set(int argc, char **argv)
}
params.perf_bias = 1;
break;
+ case 'e':
+ if (params.epp)
+ print_wrong_arg_exit();
+ if (sscanf(optarg, "%29s", epp) != 1) {
+ print_wrong_arg_exit();
+ return -EINVAL;
+ }
+ params.epp = 1;
+ break;
+ case 'm':
+ if (cpupower_cpu_info.vendor != X86_VENDOR_AMD)
+ print_wrong_arg_exit();
+ if (params.mode)
+ print_wrong_arg_exit();
+ if (sscanf(optarg, "%19s", mode) != 1) {
+ print_wrong_arg_exit();
+ return -EINVAL;
+ }
+ params.mode = 1;
+ break;
+ case 't':
+ if (params.turbo_boost)
+ print_wrong_arg_exit();
+ turbo_boost = atoi(optarg);
+ if (turbo_boost < 0 || turbo_boost > 1) {
+ printf("--turbo-boost param out of range [0-1]\n");
+ print_wrong_arg_exit();
+ }
+ params.turbo_boost = 1;
+ break;
+
+
default:
print_wrong_arg_exit();
}
@@ -77,6 +116,18 @@ int cmd_set(int argc, char **argv)
if (!params.params)
print_wrong_arg_exit();
+ if (params.mode) {
+ ret = cpupower_set_amd_pstate_mode(mode);
+ if (ret)
+ fprintf(stderr, "Error setting mode\n");
+ }
+
+ if (params.turbo_boost) {
+ ret = cpupower_set_turbo_boost(turbo_boost);
+ if (ret)
+ fprintf(stderr, "Error setting turbo-boost\n");
+ }
+
/* Default is: set all CPUs */
if (bitmask_isallclear(cpus_chosen))
bitmask_setall(cpus_chosen);
@@ -102,6 +153,16 @@ int cmd_set(int argc, char **argv)
break;
}
}
+
+ if (params.epp) {
+ ret = cpupower_set_epp(cpu, epp);
+ if (ret) {
+ fprintf(stderr,
+ "Error setting epp value on CPU %d\n", cpu);
+ break;
+ }
+ }
+
}
return ret;
}