diff options
Diffstat (limited to 'tools/power/x86/intel-speed-select/isst-config.c')
-rw-r--r-- | tools/power/x86/intel-speed-select/isst-config.c | 147 |
1 files changed, 145 insertions, 2 deletions
diff --git a/tools/power/x86/intel-speed-select/isst-config.c b/tools/power/x86/intel-speed-select/isst-config.c index 5390158cdb40..582feb88eca3 100644 --- a/tools/power/x86/intel-speed-select/isst-config.c +++ b/tools/power/x86/intel-speed-select/isst-config.c @@ -15,7 +15,7 @@ struct process_cmd_struct { int arg; }; -static const char *version_str = "v1.7"; +static const char *version_str = "v1.8"; static const int supported_api_ver = 1; static struct isst_if_platform_info isst_platform_info; static char *progname; @@ -1249,6 +1249,8 @@ static void dump_isst_config(int arg) isst_ctdp_display_information_end(outf); } +static void adjust_scaling_max_from_base_freq(int cpu); + static void set_tdp_level_for_cpu(int cpu, void *arg1, void *arg2, void *arg3, void *arg4) { @@ -1267,6 +1269,9 @@ static void set_tdp_level_for_cpu(int cpu, void *arg1, void *arg2, void *arg3, int pkg_id = get_physical_package_id(cpu); int die_id = get_physical_die_id(cpu); + /* Wait for updated base frequencies */ + usleep(2000); + fprintf(stderr, "Option is set to online/offline\n"); ctdp_level.core_cpumask_size = alloc_cpu_set(&ctdp_level.core_cpumask); @@ -1283,6 +1288,7 @@ static void set_tdp_level_for_cpu(int cpu, void *arg1, void *arg2, void *arg3, if (CPU_ISSET_S(i, ctdp_level.core_cpumask_size, ctdp_level.core_cpumask)) { fprintf(stderr, "online cpu %d\n", i); set_cpu_online_offline(i, 1); + adjust_scaling_max_from_base_freq(i); } else { fprintf(stderr, "offline cpu %d\n", i); set_cpu_online_offline(i, 0); @@ -1440,6 +1446,31 @@ static int set_cpufreq_scaling_min_max(int cpu, int max, int freq) return 0; } +static int no_turbo(void) +{ + return parse_int_file(0, "/sys/devices/system/cpu/intel_pstate/no_turbo"); +} + +static void adjust_scaling_max_from_base_freq(int cpu) +{ + int base_freq, scaling_max_freq; + + scaling_max_freq = parse_int_file(0, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_max_freq", cpu); + base_freq = get_cpufreq_base_freq(cpu); + if (scaling_max_freq < base_freq || no_turbo()) + set_cpufreq_scaling_min_max(cpu, 1, base_freq); +} + +static void adjust_scaling_min_from_base_freq(int cpu) +{ + int base_freq, scaling_min_freq; + + scaling_min_freq = parse_int_file(0, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_min_freq", cpu); + base_freq = get_cpufreq_base_freq(cpu); + if (scaling_min_freq < base_freq) + set_cpufreq_scaling_min_max(cpu, 0, base_freq); +} + static int set_clx_pbf_cpufreq_scaling_min_max(int cpu) { struct isst_pkg_ctdp_level_info *ctdp_level; @@ -1537,6 +1568,7 @@ static void set_scaling_min_to_cpuinfo_max(int cpu) continue; set_cpufreq_scaling_min_max_from_cpuinfo(i, 1, 0); + adjust_scaling_min_from_base_freq(i); } } @@ -2272,6 +2304,102 @@ static void get_clos_assoc(int arg) isst_ctdp_display_information_end(outf); } +static void set_turbo_mode_for_cpu(int cpu, int status) +{ + int base_freq; + + if (status) { + base_freq = get_cpufreq_base_freq(cpu); + set_cpufreq_scaling_min_max(cpu, 1, base_freq); + } else { + set_scaling_max_to_cpuinfo_max(cpu); + } + + if (status) { + isst_display_result(cpu, outf, "turbo-mode", "enable", 0); + } else { + isst_display_result(cpu, outf, "turbo-mode", "disable", 0); + } +} + +static void set_turbo_mode(int arg) +{ + int i, enable = arg; + + if (cmd_help) { + if (enable) + fprintf(stderr, "Set turbo mode enable\n"); + else + fprintf(stderr, "Set turbo mode disable\n"); + exit(0); + } + + isst_ctdp_display_information_start(outf); + + for (i = 0; i < topo_max_cpus; ++i) { + int online; + + if (i) + online = parse_int_file( + 1, "/sys/devices/system/cpu/cpu%d/online", i); + else + online = + 1; /* online entry for CPU 0 needs some special configs */ + + if (online) + set_turbo_mode_for_cpu(i, enable); + + } + isst_ctdp_display_information_end(outf); +} + +static void get_set_trl(int cpu, void *arg1, void *arg2, void *arg3, + void *arg4) +{ + unsigned long long trl; + int set = *(int *)arg4; + int ret; + + if (set && !fact_trl) { + isst_display_error_info_message(1, "Invalid TRL. Specify with [-t|--trl]", 0, 0); + exit(0); + } + + if (set) { + ret = isst_set_trl(cpu, fact_trl); + isst_display_result(cpu, outf, "turbo-mode", "set-trl", ret); + return; + } + + ret = isst_get_trl(cpu, &trl); + if (ret) + isst_display_result(cpu, outf, "turbo-mode", "get-trl", ret); + else + isst_trl_display_information(cpu, outf, trl); +} + +static void process_trl(int arg) +{ + if (cmd_help) { + if (arg) { + fprintf(stderr, "Set TRL (turbo ratio limits)\n"); + fprintf(stderr, "\t t|--trl: Specify turbo ratio limit for setting TRL\n"); + } else { + fprintf(stderr, "Get TRL (turbo ratio limits)\n"); + } + exit(0); + } + + isst_ctdp_display_information_start(outf); + if (max_target_cpus) + for_each_online_target_cpu_in_set(get_set_trl, NULL, + NULL, NULL, &arg); + else + for_each_online_package_in_set(get_set_trl, NULL, + NULL, NULL, &arg); + isst_ctdp_display_information_end(outf); +} + static struct process_cmd_struct clx_n_cmds[] = { { "perf-profile", "info", dump_isst_config, 0 }, { "base-freq", "info", dump_pbf_config, 0 }, @@ -2302,6 +2430,10 @@ static struct process_cmd_struct isst_cmds[] = { { "core-power", "get-config", dump_clos_config, 0 }, { "core-power", "assoc", set_clos_assoc, 0 }, { "core-power", "get-assoc", get_clos_assoc, 0 }, + { "turbo-mode", "enable", set_turbo_mode, 0 }, + { "turbo-mode", "disable", set_turbo_mode, 1 }, + { "turbo-mode", "get-trl", process_trl, 0 }, + { "turbo-mode", "set-trl", process_trl, 1 }, { NULL, NULL, NULL } }; @@ -2517,6 +2649,16 @@ static void fact_help(void) printf("\tcommand : disable\n"); } +static void turbo_mode_help(void) +{ + printf("turbo-mode:\tEnables users to enable/disable turbo mode by adjusting frequency settings. Also allows to get and set turbo ratio limits (TRL).\n"); + printf("\tcommand : enable\n"); + printf("\tcommand : disable\n"); + printf("\tcommand : get-trl\n"); + printf("\tcommand : set-trl\n"); +} + + static void core_power_help(void) { printf("core-power:\tInterface that allows user to define per core/tile\n\ @@ -2541,6 +2683,7 @@ static struct process_cmd_help_struct isst_help_cmds[] = { { "base-freq", pbf_help }, { "turbo-freq", fact_help }, { "core-power", core_power_help }, + { "turbo-mode", turbo_mode_help }, { NULL, NULL } }; @@ -2604,7 +2747,7 @@ static void usage(void) if (is_clx_n_platform()) printf("\nFEATURE : [perf-profile|base-freq]\n"); else - printf("\nFEATURE : [perf-profile|base-freq|turbo-freq|core-power]\n"); + printf("\nFEATURE : [perf-profile|base-freq|turbo-freq|core-power|turbo-mode]\n"); printf("\nFor help on each feature, use -h|--help\n"); printf("\tFor example: intel-speed-select perf-profile -h\n"); |