diff options
Diffstat (limited to 'tools/power/cpupower/utils/cpupower-set.c')
| -rw-r--r-- | tools/power/cpupower/utils/cpupower-set.c | 84 |
1 files changed, 77 insertions, 7 deletions
diff --git a/tools/power/cpupower/utils/cpupower-set.c b/tools/power/cpupower/utils/cpupower-set.c index 532f46b9a335..c2117e5650dd 100644 --- a/tools/power/cpupower/utils/cpupower-set.c +++ b/tools/power/cpupower/utils/cpupower-set.c @@ -1,7 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * (C) 2011 Thomas Renninger <trenn@suse.de>, Novell Inc. - * - * Licensed under the terms of the GNU GPL License version 2. */ @@ -11,6 +10,7 @@ #include <errno.h> #include <string.h> #include <getopt.h> +#include <sys/utsname.h> #include "helpers/helpers.h" #include "helpers/sysfs.h" @@ -18,6 +18,10 @@ 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'}, + {"boost", required_argument, NULL, 't'}, { }, }; @@ -32,23 +36,35 @@ int cmd_set(int argc, char **argv) extern char *optarg; extern int optind, opterr, optopt; unsigned int cpu; + struct utsname uts; 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") || + !strcmp(uts.machine, "ppc64"))) { + fprintf(stderr, _("Subcommand not supported on POWER.\n")); + return ret; + } setlocale(LC_ALL, ""); textdomain(PACKAGE); params.params = 0; /* parameter parsing */ - while ((ret = getopt_long(argc, argv, "b:", - set_opts, NULL)) != -1) { + while ((ret = getopt_long(argc, argv, "b:e:m:t:", + set_opts, NULL)) != -1) { switch (ret) { case 'b': if (params.perf_bias) @@ -61,14 +77,58 @@ 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(); } - }; + } 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); @@ -87,13 +147,23 @@ int cmd_set(int argc, char **argv) } if (params.perf_bias) { - ret = msr_intel_set_perf_bias(cpu, perf_bias); + ret = cpupower_intel_set_perf_bias(cpu, perf_bias); if (ret) { fprintf(stderr, _("Error setting perf-bias " "value on CPU %d\n"), cpu); 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; } |