diff options
Diffstat (limited to 'tools/power/cpupower/utils')
22 files changed, 1018 insertions, 223 deletions
diff --git a/tools/power/cpupower/utils/builtin.h b/tools/power/cpupower/utils/builtin.h index f7065ae60a14..e1caefd467cd 100644 --- a/tools/power/cpupower/utils/builtin.h +++ b/tools/power/cpupower/utils/builtin.h @@ -8,6 +8,8 @@ extern int cmd_freq_set(int argc, const char **argv); extern int cmd_freq_info(int argc, const char **argv); extern int cmd_idle_set(int argc, const char **argv); extern int cmd_idle_info(int argc, const char **argv); +extern int cmd_cap_info(int argc, const char **argv); +extern int cmd_cap_set(int argc, const char **argv); extern int cmd_monitor(int argc, const char **argv); #endif diff --git a/tools/power/cpupower/utils/cpufreq-info.c b/tools/power/cpupower/utils/cpufreq-info.c index 6efc0f6b1b11..7d3732f5f2f6 100644 --- a/tools/power/cpupower/utils/cpufreq-info.c +++ b/tools/power/cpupower/utils/cpufreq-info.c @@ -84,43 +84,6 @@ static void proc_cpufreq_output(void) } static int no_rounding; -static void print_speed(unsigned long speed) -{ - unsigned long tmp; - - if (no_rounding) { - if (speed > 1000000) - printf("%u.%06u GHz", ((unsigned int) speed/1000000), - ((unsigned int) speed%1000000)); - else if (speed > 1000) - printf("%u.%03u MHz", ((unsigned int) speed/1000), - (unsigned int) (speed%1000)); - else - printf("%lu kHz", speed); - } else { - if (speed > 1000000) { - tmp = speed%10000; - if (tmp >= 5000) - speed += 10000; - printf("%u.%02u GHz", ((unsigned int) speed/1000000), - ((unsigned int) (speed%1000000)/10000)); - } else if (speed > 100000) { - tmp = speed%1000; - if (tmp >= 500) - speed += 1000; - printf("%u MHz", ((unsigned int) speed/1000)); - } else if (speed > 1000) { - tmp = speed%100; - if (tmp >= 50) - speed += 100; - printf("%u.%01u MHz", ((unsigned int) speed/1000), - ((unsigned int) (speed%1000)/100)); - } - } - - return; -} - static void print_duration(unsigned long duration) { unsigned long tmp; @@ -157,7 +120,6 @@ static void print_duration(unsigned long duration) } else printf("%lu ns", duration); } - return; } static int get_boost_mode_x86(unsigned int cpu) @@ -166,7 +128,7 @@ static int get_boost_mode_x86(unsigned int cpu) /* ToDo: Make this more global */ unsigned long pstates[MAX_HW_PSTATES] = {0,}; - ret = cpufreq_has_boost_support(cpu, &support, &active, &b_states); + ret = cpufreq_has_x86_boost_support(cpu, &support, &active, &b_states); if (ret) { printf(_("Error while evaluating Boost Capabilities" " on CPU %d -- are you root?\n"), cpu); @@ -183,11 +145,13 @@ static int get_boost_mode_x86(unsigned int cpu) printf(_(" Supported: %s\n"), support ? _("yes") : _("no")); printf(_(" Active: %s\n"), active ? _("yes") : _("no")); - if ((cpupower_cpu_info.vendor == X86_VENDOR_AMD && - cpupower_cpu_info.family >= 0x10) || - cpupower_cpu_info.vendor == X86_VENDOR_HYGON) { - ret = decode_pstates(cpu, cpupower_cpu_info.family, b_states, - pstates, &pstate_no); + if (cpupower_cpu_info.vendor == X86_VENDOR_AMD && + cpupower_cpu_info.caps & CPUPOWER_CAP_AMD_PSTATE) { + return 0; + } else if ((cpupower_cpu_info.vendor == X86_VENDOR_AMD && + cpupower_cpu_info.family >= 0x10) || + cpupower_cpu_info.vendor == X86_VENDOR_HYGON) { + ret = decode_pstates(cpu, b_states, pstates, &pstate_no); if (ret) return ret; @@ -240,6 +204,18 @@ static int get_boost_mode_x86(unsigned int cpu) return 0; } +static int get_boost_mode_generic(unsigned int cpu) +{ + bool active; + + if (!cpufreq_has_generic_boost_support(&active)) { + printf(_(" boost state support:\n")); + printf(_(" Active: %s\n"), active ? _("yes") : _("no")); + } + + return 0; +} + /* --boost / -b */ static int get_boost_mode(unsigned int cpu) @@ -250,16 +226,18 @@ static int get_boost_mode(unsigned int cpu) cpupower_cpu_info.vendor == X86_VENDOR_HYGON || cpupower_cpu_info.vendor == X86_VENDOR_INTEL) return get_boost_mode_x86(cpu); + else + get_boost_mode_generic(cpu); freqs = cpufreq_get_boost_frequencies(cpu); if (freqs) { printf(_(" boost frequency steps: ")); while (freqs->next) { - print_speed(freqs->frequency); + print_speed(freqs->frequency, no_rounding); printf(", "); freqs = freqs->next; } - print_speed(freqs->frequency); + print_speed(freqs->frequency, no_rounding); printf("\n"); cpufreq_put_available_frequencies(freqs); } @@ -278,7 +256,7 @@ static int get_freq_kernel(unsigned int cpu, unsigned int human) return -EINVAL; } if (human) { - print_speed(freq); + print_speed(freq, no_rounding); } else printf("%lu", freq); printf(_(" (asserted by call to kernel)\n")); @@ -290,14 +268,19 @@ static int get_freq_kernel(unsigned int cpu, unsigned int human) static int get_freq_hardware(unsigned int cpu, unsigned int human) { - unsigned long freq = cpufreq_get_freq_hardware(cpu); + unsigned long freq; + + if (cpupower_cpu_info.caps & CPUPOWER_CAP_APERF) + return -EINVAL; + + freq = cpufreq_get_freq_hardware(cpu); printf(_(" current CPU frequency: ")); if (!freq) { printf("Unable to call hardware\n"); return -EINVAL; } if (human) { - print_speed(freq); + print_speed(freq, no_rounding); } else printf("%lu", freq); printf(_(" (asserted by call to hardware)\n")); @@ -317,9 +300,9 @@ static int get_hardware_limits(unsigned int cpu, unsigned int human) if (human) { printf(_(" hardware limits: ")); - print_speed(min); + print_speed(min, no_rounding); printf(" - "); - print_speed(max); + print_speed(max, no_rounding); printf("\n"); } else { printf("%lu %lu\n", min, max); @@ -351,9 +334,9 @@ static int get_policy(unsigned int cpu) return -EINVAL; } printf(_(" current policy: frequency should be within ")); - print_speed(policy->min); + print_speed(policy->min, no_rounding); printf(_(" and ")); - print_speed(policy->max); + print_speed(policy->max, no_rounding); printf(".\n "); printf(_("The governor \"%s\" may decide which speed to use\n" @@ -437,7 +420,7 @@ static int get_freq_stats(unsigned int cpu, unsigned int human) struct cpufreq_stats *stats = cpufreq_get_stats(cpu, &total_time); while (stats) { if (human) { - print_speed(stats->frequency); + print_speed(stats->frequency, no_rounding); printf(":%.2f%%", (100.0 * stats->time_in_state) / total_time); } else @@ -453,12 +436,32 @@ static int get_freq_stats(unsigned int cpu, unsigned int human) return 0; } +/* --epp / -z */ + +static int get_epp(unsigned int cpu, bool interactive) +{ + char *epp; + + epp = cpufreq_get_energy_performance_preference(cpu); + if (!epp) + return -EINVAL; + if (interactive) + printf(_(" energy performance preference: %s\n"), epp); + + cpufreq_put_energy_performance_preference(epp); + + return 0; +} + /* --latency / -y */ static int get_latency(unsigned int cpu, unsigned int human) { unsigned long latency = cpufreq_get_transition_latency(cpu); + if (!get_epp(cpu, false)) + return -EINVAL; + printf(_(" maximum transition latency: ")); if (!latency || latency == UINT_MAX) { printf(_(" Cannot determine or is not supported.\n")); @@ -473,6 +476,17 @@ static int get_latency(unsigned int cpu, unsigned int human) return 0; } +/* --performance / -c */ + +static int get_perf_cap(unsigned int cpu) +{ + if (cpupower_cpu_info.vendor == X86_VENDOR_AMD && + cpupower_cpu_info.caps & CPUPOWER_CAP_AMD_PSTATE) + amd_pstate_show_perf_and_freq(cpu, no_rounding); + + return 0; +} + static void debug_output_one(unsigned int cpu) { struct cpufreq_available_frequencies *freqs; @@ -481,17 +495,18 @@ static void debug_output_one(unsigned int cpu) get_related_cpus(cpu); get_affected_cpus(cpu); get_latency(cpu, 1); + get_epp(cpu, true); get_hardware_limits(cpu, 1); freqs = cpufreq_get_available_frequencies(cpu); if (freqs) { printf(_(" available frequency steps: ")); while (freqs->next) { - print_speed(freqs->frequency); + print_speed(freqs->frequency, no_rounding); printf(", "); freqs = freqs->next; } - print_speed(freqs->frequency); + print_speed(freqs->frequency, no_rounding); printf("\n"); cpufreq_put_available_frequencies(freqs); } @@ -501,6 +516,7 @@ static void debug_output_one(unsigned int cpu) if (get_freq_hardware(cpu, 1) < 0) get_freq_kernel(cpu, 1); get_boost_mode(cpu); + get_perf_cap(cpu); } static struct option info_opts[] = { @@ -519,6 +535,8 @@ static struct option info_opts[] = { {"proc", no_argument, NULL, 'o'}, {"human", no_argument, NULL, 'm'}, {"no-rounding", no_argument, NULL, 'n'}, + {"performance", no_argument, NULL, 'c'}, + {"epp", no_argument, NULL, 'z'}, { }, }; @@ -532,7 +550,7 @@ int cmd_freq_info(int argc, char **argv) int output_param = 0; do { - ret = getopt_long(argc, argv, "oefwldpgrasmybn", info_opts, + ret = getopt_long(argc, argv, "oefwldpgrasmybncz", info_opts, NULL); switch (ret) { case '?': @@ -555,6 +573,8 @@ int cmd_freq_info(int argc, char **argv) case 'e': case 's': case 'y': + case 'c': + case 'z': if (output_param) { output_param = -1; cont = 0; @@ -593,9 +613,9 @@ int cmd_freq_info(int argc, char **argv) ret = 0; - /* Default is: show output of CPU 0 only */ + /* Default is: show output of base_cpu only */ if (bitmask_isallclear(cpus_chosen)) - bitmask_setbit(cpus_chosen, 0); + bitmask_setbit(cpus_chosen, base_cpu); switch (output_param) { case -1: @@ -661,6 +681,12 @@ int cmd_freq_info(int argc, char **argv) case 'y': ret = get_latency(cpu, human); break; + case 'c': + ret = get_perf_cap(cpu); + break; + case 'z': + ret = get_epp(cpu, true); + break; } if (ret) return ret; diff --git a/tools/power/cpupower/utils/cpufreq-set.c b/tools/power/cpupower/utils/cpufreq-set.c index 6ed82fba5aaa..c5e60a39cfa6 100644 --- a/tools/power/cpupower/utils/cpufreq-set.c +++ b/tools/power/cpupower/utils/cpufreq-set.c @@ -99,13 +99,17 @@ static unsigned long string_to_frequency(const char *str) continue; if (str[cp] == '.') { - while (power > -1 && isdigit(str[cp+1])) - cp++, power--; + while (power > -1 && isdigit(str[cp+1])) { + cp++; + power--; + } } - if (power >= -1) /* not enough => pad */ + if (power >= -1) { /* not enough => pad */ pad = power + 1; - else /* to much => strip */ - pad = 0, cp += power + 1; + } else { /* too much => strip */ + pad = 0; + cp += power + 1; + } /* check bounds */ if (cp <= 0 || cp + pad > NORM_FREQ_LEN - 1) return 0; @@ -311,6 +315,7 @@ int cmd_freq_set(int argc, char **argv) } } + get_cpustate(); /* loop over CPUs */ for (cpu = bitmask_first(cpus_chosen); @@ -328,5 +333,7 @@ int cmd_freq_set(int argc, char **argv) } } + print_offline_cpus(); + return 0; } diff --git a/tools/power/cpupower/utils/cpuidle-info.c b/tools/power/cpupower/utils/cpuidle-info.c index f2b202c5552a..e0d17f0de3fe 100644 --- a/tools/power/cpupower/utils/cpuidle-info.c +++ b/tools/power/cpupower/utils/cpuidle-info.c @@ -64,6 +64,8 @@ static void cpuidle_cpu_output(unsigned int cpu, int verbose) printf(_("Latency: %lu\n"), cpuidle_state_latency(cpu, idlestate)); + printf(_("Residency: %lu\n"), + cpuidle_state_residency(cpu, idlestate)); printf(_("Usage: %lu\n"), cpuidle_state_usage(cpu, idlestate)); printf(_("Duration: %llu\n"), @@ -115,6 +117,8 @@ static void proc_cpuidle_cpu_output(unsigned int cpu) printf(_("promotion[--] demotion[--] ")); printf(_("latency[%03lu] "), cpuidle_state_latency(cpu, cstate)); + printf(_("residency[%05lu] "), + cpuidle_state_residency(cpu, cstate)); printf(_("usage[%08lu] "), cpuidle_state_usage(cpu, cstate)); printf(_("duration[%020Lu] \n"), @@ -176,9 +180,9 @@ int cmd_idle_info(int argc, char **argv) cpuidle_exit(EXIT_FAILURE); } - /* Default is: show output of CPU 0 only */ + /* Default is: show output of base_cpu only */ if (bitmask_isallclear(cpus_chosen)) - bitmask_setbit(cpus_chosen, 0); + bitmask_setbit(cpus_chosen, base_cpu); if (output_param == 0) cpuidle_general_output(); diff --git a/tools/power/cpupower/utils/cpuidle-set.c b/tools/power/cpupower/utils/cpuidle-set.c index 569f268f4c7f..a551d1d4ac51 100644 --- a/tools/power/cpupower/utils/cpuidle-set.c +++ b/tools/power/cpupower/utils/cpuidle-set.c @@ -41,14 +41,6 @@ int cmd_idle_set(int argc, char **argv) cont = 0; break; case 'd': - if (param) { - param = -1; - cont = 0; - break; - } - param = ret; - idlestate = atoi(optarg); - break; case 'e': if (param) { param = -1; @@ -56,7 +48,13 @@ int cmd_idle_set(int argc, char **argv) break; } param = ret; - idlestate = atoi(optarg); + strtol(optarg, &endptr, 10); + if (*endptr != '\0') { + printf(_("Bad value: %s, Integer expected\n"), optarg); + exit(EXIT_FAILURE); + } else { + idlestate = atoi(optarg); + } break; case 'D': if (param) { @@ -95,6 +93,8 @@ int cmd_idle_set(int argc, char **argv) exit(EXIT_FAILURE); } + get_cpustate(); + /* Default is: set all CPUs */ if (bitmask_isallclear(cpus_chosen)) bitmask_setall(cpus_chosen); @@ -181,5 +181,7 @@ int cmd_idle_set(int argc, char **argv) break; } } + + print_offline_cpus(); return EXIT_SUCCESS; } diff --git a/tools/power/cpupower/utils/cpupower-info.c b/tools/power/cpupower/utils/cpupower-info.c index 0ba61a2c4d81..18fd7751f509 100644 --- a/tools/power/cpupower/utils/cpupower-info.c +++ b/tools/power/cpupower/utils/cpupower-info.c @@ -67,9 +67,9 @@ int cmd_info(int argc, char **argv) if (!params.params) params.params = 0x7; - /* Default is: show output of CPU 0 only */ + /* Default is: show output of base_cpu only */ if (bitmask_isallclear(cpus_chosen)) - bitmask_setbit(cpus_chosen, 0); + bitmask_setbit(cpus_chosen, base_cpu); /* Add more per cpu options here */ if (!params.perf_bias) @@ -101,7 +101,7 @@ int cmd_info(int argc, char **argv) } if (params.perf_bias) { - ret = msr_intel_get_perf_bias(cpu); + ret = cpupower_intel_get_perf_bias(cpu); if (ret < 0) { fprintf(stderr, _("Could not read perf-bias value[%d]\n"), ret); diff --git a/tools/power/cpupower/utils/cpupower-set.c b/tools/power/cpupower/utils/cpupower-set.c index 052044d7e012..c2117e5650dd 100644 --- a/tools/power/cpupower/utils/cpupower-set.c +++ b/tools/power/cpupower/utils/cpupower-set.c @@ -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'}, { }, }; @@ -37,11 +41,15 @@ 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") || @@ -55,8 +63,8 @@ int cmd_set(int argc, char **argv) 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) @@ -69,6 +77,38 @@ 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 +117,18 @@ 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); @@ -95,13 +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; } diff --git a/tools/power/cpupower/utils/cpupower.c b/tools/power/cpupower/utils/cpupower.c index 8e3d08042825..9ec973165af1 100644 --- a/tools/power/cpupower/utils/cpupower.c +++ b/tools/power/cpupower/utils/cpupower.c @@ -34,6 +34,8 @@ int run_as_root; int base_cpu; /* Affected cpus chosen by -c/--cpu param */ struct bitmask *cpus_chosen; +struct bitmask *online_cpus; +struct bitmask *offline_cpus; #ifdef DEBUG int be_verbose; @@ -52,6 +54,7 @@ static struct cmd_struct commands[] = { { "frequency-set", cmd_freq_set, 1 }, { "idle-info", cmd_idle_info, 0 }, { "idle-set", cmd_idle_set, 1 }, + { "powercap-info", cmd_cap_info, 0 }, { "set", cmd_set, 1 }, { "info", cmd_info, 0 }, { "monitor", cmd_monitor, 0 }, @@ -178,6 +181,8 @@ int main(int argc, const char *argv[]) char pathname[32]; cpus_chosen = bitmask_alloc(sysconf(_SC_NPROCESSORS_CONF)); + online_cpus = bitmask_alloc(sysconf(_SC_NPROCESSORS_CONF)); + offline_cpus = bitmask_alloc(sysconf(_SC_NPROCESSORS_CONF)); argc--; argv += 1; @@ -230,6 +235,10 @@ int main(int argc, const char *argv[]) ret = p->main(argc, argv); if (cpus_chosen) bitmask_free(cpus_chosen); + if (online_cpus) + bitmask_free(online_cpus); + if (offline_cpus) + bitmask_free(offline_cpus); return ret; } print_help(); diff --git a/tools/power/cpupower/utils/helpers/amd.c b/tools/power/cpupower/utils/helpers/amd.c index 7c4f83a8c973..795562e879de 100644 --- a/tools/power/cpupower/utils/helpers/amd.c +++ b/tools/power/cpupower/utils/helpers/amd.c @@ -8,12 +8,16 @@ #include <pci/pci.h> #include "helpers/helpers.h" +#include "cpufreq.h" +#include "acpi_cppc.h" +/* ACPI P-States Helper Functions for AMD Processors ***************/ #define MSR_AMD_PSTATE_STATUS 0xc0010063 #define MSR_AMD_PSTATE 0xc0010064 #define MSR_AMD_PSTATE_LIMIT 0xc0010061 -union msr_pstate { +union core_pstate { + /* pre fam 17h: */ struct { unsigned fid:6; unsigned did:3; @@ -26,7 +30,8 @@ union msr_pstate { unsigned idddiv:2; unsigned res3:21; unsigned en:1; - } bits; + } pstate; + /* since fam 17h: */ struct { unsigned fid:8; unsigned did:6; @@ -35,37 +40,57 @@ union msr_pstate { unsigned idddiv:2; unsigned res1:31; unsigned en:1; - } fam17h_bits; + } pstatedef; + /* since fam 1Ah: */ + struct { + unsigned fid:12; + unsigned res1:2; + unsigned vid:8; + unsigned iddval:8; + unsigned idddiv:2; + unsigned res2:31; + unsigned en:1; + } pstatedef2; unsigned long long val; }; -static int get_did(int family, union msr_pstate pstate) +static int get_did(union core_pstate pstate) { int t; - if (family == 0x12) + /* Fam 1Ah onward do not use did */ + if (cpupower_cpu_info.family >= 0x1A) + return 0; + + if (cpupower_cpu_info.caps & CPUPOWER_CAP_AMD_PSTATEDEF) + t = pstate.pstatedef.did; + else if (cpupower_cpu_info.family == 0x12) t = pstate.val & 0xf; - else if (family == 0x17 || family == 0x18) - t = pstate.fam17h_bits.did; else - t = pstate.bits.did; + t = pstate.pstate.did; return t; } -static int get_cof(int family, union msr_pstate pstate) +static int get_cof(union core_pstate pstate) { int t; - int fid, did, cof; + int fid, did, cof = 0; - did = get_did(family, pstate); - if (family == 0x17 || family == 0x18) { - fid = pstate.fam17h_bits.fid; - cof = 200 * fid / did; + did = get_did(pstate); + if (cpupower_cpu_info.caps & CPUPOWER_CAP_AMD_PSTATEDEF) { + if (cpupower_cpu_info.family >= 0x1A) { + fid = pstate.pstatedef2.fid; + if (fid > 0x0f) + cof = (fid * 5); + } else { + fid = pstate.pstatedef.fid; + cof = 200 * fid / did; + } } else { t = 0x10; - fid = pstate.bits.fid; - if (family == 0x11) + fid = pstate.pstate.fid; + if (cpupower_cpu_info.family == 0x11) t = 0x8; cof = (100 * (fid + t)) >> did; } @@ -74,8 +99,7 @@ static int get_cof(int family, union msr_pstate pstate) /* Needs: * cpu -> the cpu that gets evaluated - * cpu_family -> The cpu's family (0x10, 0x12,...) - * boots_states -> how much boost states the machines support + * boost_states -> how much boost states the machines support * * Fills up: * pstates -> a pointer to an array of size MAX_HW_PSTATES @@ -85,31 +109,23 @@ static int get_cof(int family, union msr_pstate pstate) * * returns zero on success, -1 on failure */ -int decode_pstates(unsigned int cpu, unsigned int cpu_family, - int boost_states, unsigned long *pstates, int *no) +int decode_pstates(unsigned int cpu, int boost_states, + unsigned long *pstates, int *no) { - int i, psmax, pscur; - union msr_pstate pstate; + int i, psmax; + union core_pstate pstate; unsigned long long val; - /* Only read out frequencies from HW when CPU might be boostable - to keep the code as short and clean as possible. - Otherwise frequencies are exported via ACPI tables. - */ - if (cpu_family < 0x10 || cpu_family == 0x14) + /* Only read out frequencies from HW if HW Pstate is supported, + * otherwise frequencies are exported via ACPI tables. + */ + if (!(cpupower_cpu_info.caps & CPUPOWER_CAP_AMD_HW_PSTATE)) return -1; if (read_msr(cpu, MSR_AMD_PSTATE_LIMIT, &val)) return -1; psmax = (val >> 4) & 0x7; - - if (read_msr(cpu, MSR_AMD_PSTATE_STATUS, &val)) - return -1; - - pscur = val & 0x7; - - pscur += boost_states; psmax += boost_states; for (i = 0; i <= psmax; i++) { if (i >= MAX_HW_PSTATES) { @@ -119,12 +135,12 @@ int decode_pstates(unsigned int cpu, unsigned int cpu_family, } if (read_msr(cpu, MSR_AMD_PSTATE + i, &pstate.val)) return -1; - if ((cpu_family == 0x17) && (!pstate.fam17h_bits.en)) - continue; - else if (!pstate.bits.en) + + /* The enabled bit (bit 63) is common for all families */ + if (!pstate.pstatedef.en) continue; - pstates[i] = get_cof(cpu_family, pstate); + pstates[i] = get_cof(pstate); } *no = i; return 0; @@ -153,4 +169,88 @@ int amd_pci_get_num_boost_states(int *active, int *states) pci_cleanup(pci_acc); return 0; } + +/* ACPI P-States Helper Functions for AMD Processors ***************/ + +/* AMD P-State Helper Functions ************************************/ +enum amd_pstate_value { + AMD_PSTATE_HIGHEST_PERF, + AMD_PSTATE_MAX_FREQ, + AMD_PSTATE_LOWEST_NONLINEAR_FREQ, + AMD_PSTATE_HW_PREFCORE, + AMD_PSTATE_PREFCORE_RANKING, + MAX_AMD_PSTATE_VALUE_READ_FILES, +}; + +static const char *amd_pstate_value_files[MAX_AMD_PSTATE_VALUE_READ_FILES] = { + [AMD_PSTATE_HIGHEST_PERF] = "amd_pstate_highest_perf", + [AMD_PSTATE_MAX_FREQ] = "amd_pstate_max_freq", + [AMD_PSTATE_LOWEST_NONLINEAR_FREQ] = "amd_pstate_lowest_nonlinear_freq", + [AMD_PSTATE_HW_PREFCORE] = "amd_pstate_hw_prefcore", + [AMD_PSTATE_PREFCORE_RANKING] = "amd_pstate_prefcore_ranking", +}; + +static unsigned long amd_pstate_get_data(unsigned int cpu, + enum amd_pstate_value value) +{ + return cpufreq_get_sysfs_value_from_table(cpu, + amd_pstate_value_files, + value, + MAX_AMD_PSTATE_VALUE_READ_FILES); +} + +void amd_pstate_boost_init(unsigned int cpu, int *support, int *active) +{ + unsigned long highest_perf, nominal_perf, cpuinfo_min, + cpuinfo_max, amd_pstate_max; + + highest_perf = amd_pstate_get_data(cpu, AMD_PSTATE_HIGHEST_PERF); + nominal_perf = acpi_cppc_get_data(cpu, NOMINAL_PERF); + + *support = highest_perf > nominal_perf ? 1 : 0; + if (!(*support)) + return; + + cpufreq_get_hardware_limits(cpu, &cpuinfo_min, &cpuinfo_max); + amd_pstate_max = amd_pstate_get_data(cpu, AMD_PSTATE_MAX_FREQ); + + *active = cpuinfo_max == amd_pstate_max ? 1 : 0; +} + +void amd_pstate_show_perf_and_freq(unsigned int cpu, int no_rounding) +{ + + printf(_(" amd-pstate limits:\n")); + printf(_(" Highest Performance: %lu. Maximum Frequency: "), + amd_pstate_get_data(cpu, AMD_PSTATE_HIGHEST_PERF)); + /* + * If boost isn't active, the cpuinfo_max doesn't indicate real max + * frequency. So we read it back from amd-pstate sysfs entry. + */ + print_speed(amd_pstate_get_data(cpu, AMD_PSTATE_MAX_FREQ), no_rounding); + printf(".\n"); + + printf(_(" Nominal Performance: %lu. Nominal Frequency: "), + acpi_cppc_get_data(cpu, NOMINAL_PERF)); + print_speed(acpi_cppc_get_data(cpu, NOMINAL_FREQ) * 1000, + no_rounding); + printf(".\n"); + + printf(_(" Lowest Non-linear Performance: %lu. Lowest Non-linear Frequency: "), + acpi_cppc_get_data(cpu, LOWEST_NONLINEAR_PERF)); + print_speed(amd_pstate_get_data(cpu, AMD_PSTATE_LOWEST_NONLINEAR_FREQ), + no_rounding); + printf(".\n"); + + printf(_(" Lowest Performance: %lu. Lowest Frequency: "), + acpi_cppc_get_data(cpu, LOWEST_PERF)); + print_speed(acpi_cppc_get_data(cpu, LOWEST_FREQ) * 1000, no_rounding); + printf(".\n"); + + printf(_(" Preferred Core Support: %lu. Preferred Core Ranking: %lu.\n"), + amd_pstate_get_data(cpu, AMD_PSTATE_HW_PREFCORE), + amd_pstate_get_data(cpu, AMD_PSTATE_PREFCORE_RANKING)); +} + +/* AMD P-State Helper Functions ************************************/ #endif /* defined(__i386__) || defined(__x86_64__) */ diff --git a/tools/power/cpupower/utils/helpers/bitmask.c b/tools/power/cpupower/utils/helpers/bitmask.c index 6c7932f5bd66..649d87cb8b0f 100644 --- a/tools/power/cpupower/utils/helpers/bitmask.c +++ b/tools/power/cpupower/utils/helpers/bitmask.c @@ -26,11 +26,11 @@ struct bitmask *bitmask_alloc(unsigned int n) struct bitmask *bmp; bmp = malloc(sizeof(*bmp)); - if (bmp == 0) + if (!bmp) return 0; bmp->size = n; bmp->maskp = calloc(longsperbits(n), sizeof(unsigned long)); - if (bmp->maskp == 0) { + if (!bmp->maskp) { free(bmp); return 0; } @@ -40,7 +40,7 @@ struct bitmask *bitmask_alloc(unsigned int n) /* Free `struct bitmask` */ void bitmask_free(struct bitmask *bmp) { - if (bmp == 0) + if (!bmp) return; free(bmp->maskp); bmp->maskp = (unsigned long *)0xdeadcdef; /* double free tripwire */ diff --git a/tools/power/cpupower/utils/helpers/cpuid.c b/tools/power/cpupower/utils/helpers/cpuid.c index 73bfafc60e9b..eae91f11d187 100644 --- a/tools/power/cpupower/utils/helpers/cpuid.c +++ b/tools/power/cpupower/utils/helpers/cpuid.c @@ -128,13 +128,40 @@ out: /* AMD or Hygon Boost state enable/disable register */ if (cpu_info->vendor == X86_VENDOR_AMD || cpu_info->vendor == X86_VENDOR_HYGON) { - if (ext_cpuid_level >= 0x80000007 && - (cpuid_edx(0x80000007) & (1 << 9))) - cpu_info->caps |= CPUPOWER_CAP_AMD_CBP; + if (ext_cpuid_level >= 0x80000007) { + if (cpuid_edx(0x80000007) & (1 << 9)) { + cpu_info->caps |= CPUPOWER_CAP_AMD_CPB; + + if (cpu_info->family >= 0x17) + cpu_info->caps |= CPUPOWER_CAP_AMD_CPB_MSR; + } + + if ((cpuid_edx(0x80000007) & (1 << 7)) && + cpu_info->family != 0x14) { + /* HW pstate was not implemented in family 0x14 */ + cpu_info->caps |= CPUPOWER_CAP_AMD_HW_PSTATE; + + if (cpu_info->family >= 0x17) + cpu_info->caps |= CPUPOWER_CAP_AMD_PSTATEDEF; + } + } if (ext_cpuid_level >= 0x80000008 && cpuid_ebx(0x80000008) & (1 << 4)) cpu_info->caps |= CPUPOWER_CAP_AMD_RDPRU; + + if (cpupower_amd_pstate_enabled()) { + cpu_info->caps |= CPUPOWER_CAP_AMD_PSTATE; + + /* + * If AMD P-State is enabled, the firmware will treat + * AMD P-State function as high priority. + */ + cpu_info->caps &= ~CPUPOWER_CAP_AMD_CPB; + cpu_info->caps &= ~CPUPOWER_CAP_AMD_CPB_MSR; + cpu_info->caps &= ~CPUPOWER_CAP_AMD_HW_PSTATE; + cpu_info->caps &= ~CPUPOWER_CAP_AMD_PSTATEDEF; + } } if (cpu_info->vendor == X86_VENDOR_INTEL) { diff --git a/tools/power/cpupower/utils/helpers/helpers.h b/tools/power/cpupower/utils/helpers/helpers.h index c258eeccd05f..82ea62bdf5a2 100644 --- a/tools/power/cpupower/utils/helpers/helpers.h +++ b/tools/power/cpupower/utils/helpers/helpers.h @@ -11,6 +11,7 @@ #include <libintl.h> #include <locale.h> +#include <stdbool.h> #include "helpers/bitmask.h" #include <cpupower.h> @@ -64,12 +65,16 @@ enum cpupower_cpu_vendor {X86_VENDOR_UNKNOWN = 0, X86_VENDOR_INTEL, #define CPUPOWER_CAP_INV_TSC 0x00000001 #define CPUPOWER_CAP_APERF 0x00000002 -#define CPUPOWER_CAP_AMD_CBP 0x00000004 +#define CPUPOWER_CAP_AMD_CPB 0x00000004 #define CPUPOWER_CAP_PERF_BIAS 0x00000008 #define CPUPOWER_CAP_HAS_TURBO_RATIO 0x00000010 #define CPUPOWER_CAP_IS_SNB 0x00000020 #define CPUPOWER_CAP_INTEL_IDA 0x00000040 #define CPUPOWER_CAP_AMD_RDPRU 0x00000080 +#define CPUPOWER_CAP_AMD_HW_PSTATE 0x00000100 +#define CPUPOWER_CAP_AMD_PSTATEDEF 0x00000200 +#define CPUPOWER_CAP_AMD_CPB_MSR 0x00000400 +#define CPUPOWER_CAP_AMD_PSTATE 0x00000800 #define CPUPOWER_AMD_CPBDIS 0x02000000 @@ -94,8 +99,13 @@ struct cpupower_cpu_info { */ extern int get_cpu_info(struct cpupower_cpu_info *cpu_info); extern struct cpupower_cpu_info cpupower_cpu_info; + + /* cpuid and cpuinfo helpers **************************/ +int cpufreq_has_generic_boost_support(bool *active); +int cpupower_set_turbo_boost(int turbo_boost); + /* X86 ONLY ****************************************/ #if defined(__i386__) || defined(__x86_64__) @@ -105,10 +115,13 @@ extern struct cpupower_cpu_info cpupower_cpu_info; extern int read_msr(int cpu, unsigned int idx, unsigned long long *val); extern int write_msr(int cpu, unsigned int idx, unsigned long long val); -extern int msr_intel_set_perf_bias(unsigned int cpu, unsigned int val); -extern int msr_intel_get_perf_bias(unsigned int cpu); +extern int cpupower_intel_set_perf_bias(unsigned int cpu, unsigned int val); +extern int cpupower_intel_get_perf_bias(unsigned int cpu); extern unsigned long long msr_intel_get_turbo_ratio(unsigned int cpu); +extern int cpupower_set_epp(unsigned int cpu, char *epp); +extern int cpupower_set_amd_pstate_mode(char *mode); + /* Read/Write msr ****************************/ /* PCI stuff ****************************/ @@ -123,13 +136,23 @@ extern struct pci_dev *pci_slot_func_init(struct pci_access **pacc, /* AMD HW pstate decoding **************************/ -extern int decode_pstates(unsigned int cpu, unsigned int cpu_family, - int boost_states, unsigned long *pstates, int *no); +extern int decode_pstates(unsigned int cpu, int boost_states, + unsigned long *pstates, int *no); /* AMD HW pstate decoding **************************/ -extern int cpufreq_has_boost_support(unsigned int cpu, int *support, - int *active, int * states); +int cpufreq_has_x86_boost_support(unsigned int cpu, int *support, + int *active, int *states); + +/* AMD P-State stuff **************************/ +bool cpupower_amd_pstate_enabled(void); +void amd_pstate_boost_init(unsigned int cpu, + int *support, int *active); +void amd_pstate_show_perf_and_freq(unsigned int cpu, + int no_rounding); + +/* AMD P-State stuff **************************/ + /* * CPUID functions returning a single datum */ @@ -141,28 +164,41 @@ unsigned int cpuid_edx(unsigned int op); /* cpuid and cpuinfo helpers **************************/ /* X86 ONLY ********************************************/ #else -static inline int decode_pstates(unsigned int cpu, unsigned int cpu_family, - int boost_states, unsigned long *pstates, - int *no) +static inline int decode_pstates(unsigned int cpu, int boost_states, + unsigned long *pstates, int *no) { return -1; }; static inline int read_msr(int cpu, unsigned int idx, unsigned long long *val) { return -1; }; static inline int write_msr(int cpu, unsigned int idx, unsigned long long val) { return -1; }; -static inline int msr_intel_set_perf_bias(unsigned int cpu, unsigned int val) +static inline int cpupower_intel_set_perf_bias(unsigned int cpu, unsigned int val) { return -1; }; -static inline int msr_intel_get_perf_bias(unsigned int cpu) +static inline int cpupower_intel_get_perf_bias(unsigned int cpu) { return -1; }; static inline unsigned long long msr_intel_get_turbo_ratio(unsigned int cpu) { return 0; }; +static inline int cpupower_set_epp(unsigned int cpu, char *epp) +{ return -1; }; +static inline int cpupower_set_amd_pstate_mode(char *mode) +{ return -1; }; + /* Read/Write msr ****************************/ -static inline int cpufreq_has_boost_support(unsigned int cpu, int *support, - int *active, int * states) +static inline int cpufreq_has_x86_boost_support(unsigned int cpu, int *support, + int *active, int *states) { return -1; } +static inline bool cpupower_amd_pstate_enabled(void) +{ return false; } +static inline void amd_pstate_boost_init(unsigned int cpu, int *support, + int *active) +{} +static inline void amd_pstate_show_perf_and_freq(unsigned int cpu, + int no_rounding) +{} + /* cpuid and cpuinfo helpers **************************/ static inline unsigned int cpuid_eax(unsigned int op) { return 0; }; @@ -171,4 +207,15 @@ static inline unsigned int cpuid_ecx(unsigned int op) { return 0; }; static inline unsigned int cpuid_edx(unsigned int op) { return 0; }; #endif /* defined(__i386__) || defined(__x86_64__) */ +/* + * CPU State related functions + */ +extern struct bitmask *online_cpus; +extern struct bitmask *offline_cpus; + +void get_cpustate(void); +void print_online_cpus(void); +void print_offline_cpus(void); +void print_speed(unsigned long speed, int no_rounding); + #endif /* __CPUPOWERUTILS_HELPERS__ */ diff --git a/tools/power/cpupower/utils/helpers/misc.c b/tools/power/cpupower/utils/helpers/misc.c index f406adc40bad..166dc1e470ea 100644 --- a/tools/power/cpupower/utils/helpers/misc.c +++ b/tools/power/cpupower/utils/helpers/misc.c @@ -1,24 +1,28 @@ // SPDX-License-Identifier: GPL-2.0 -#if defined(__i386__) || defined(__x86_64__) + +#include <stdio.h> +#include <errno.h> +#include <stdlib.h> +#include <string.h> #include "helpers/helpers.h" +#include "helpers/sysfs.h" +#include "cpufreq.h" +#include "cpupower_intern.h" + +#if defined(__i386__) || defined(__x86_64__) #define MSR_AMD_HWCR 0xc0010015 -int cpufreq_has_boost_support(unsigned int cpu, int *support, int *active, - int *states) +int cpufreq_has_x86_boost_support(unsigned int cpu, int *support, int *active, + int *states) { - struct cpupower_cpu_info cpu_info; int ret; unsigned long long val; *support = *active = *states = 0; - ret = get_cpu_info(&cpu_info); - if (ret) - return ret; - - if (cpupower_cpu_info.caps & CPUPOWER_CAP_AMD_CBP) { + if (cpupower_cpu_info.caps & CPUPOWER_CAP_AMD_CPB) { *support = 1; /* AMD Family 0x17 does not utilize PCI D18F4 like prior @@ -26,7 +30,7 @@ int cpufreq_has_boost_support(unsigned int cpu, int *support, int *active, * has Hardware determined variable increments instead. */ - if (cpu_info.family == 0x17 || cpu_info.family == 0x18) { + if (cpupower_cpu_info.caps & CPUPOWER_CAP_AMD_CPB_MSR) { if (!read_msr(cpu, MSR_AMD_HWCR, &val)) { if (!(val & CPUPOWER_AMD_CPBDIS)) *active = 1; @@ -36,8 +40,254 @@ int cpufreq_has_boost_support(unsigned int cpu, int *support, int *active, if (ret) return ret; } + } else if (cpupower_cpu_info.caps & CPUPOWER_CAP_AMD_PSTATE) { + amd_pstate_boost_init(cpu, support, active); } else if (cpupower_cpu_info.caps & CPUPOWER_CAP_INTEL_IDA) *support = *active = 1; return 0; } + +int cpupower_intel_get_perf_bias(unsigned int cpu) +{ + char linebuf[MAX_LINE_LEN]; + char path[SYSFS_PATH_MAX]; + unsigned long val; + char *endp; + + if (!(cpupower_cpu_info.caps & CPUPOWER_CAP_PERF_BIAS)) + return -1; + + snprintf(path, sizeof(path), PATH_TO_CPU "cpu%u/power/energy_perf_bias", cpu); + + if (cpupower_read_sysfs(path, linebuf, MAX_LINE_LEN) == 0) + return -1; + + val = strtol(linebuf, &endp, 0); + if (endp == linebuf || errno == ERANGE) + return -1; + + return val; +} + +int cpupower_intel_set_perf_bias(unsigned int cpu, unsigned int val) +{ + char path[SYSFS_PATH_MAX]; + char linebuf[3] = {}; + + if (!(cpupower_cpu_info.caps & CPUPOWER_CAP_PERF_BIAS)) + return -1; + + snprintf(path, sizeof(path), PATH_TO_CPU "cpu%u/power/energy_perf_bias", cpu); + snprintf(linebuf, sizeof(linebuf), "%d", val); + + if (cpupower_write_sysfs(path, linebuf, 3) <= 0) + return -1; + + return 0; +} + +int cpupower_set_epp(unsigned int cpu, char *epp) +{ + char path[SYSFS_PATH_MAX]; + char linebuf[30] = {}; + + snprintf(path, sizeof(path), + PATH_TO_CPU "cpu%u/cpufreq/energy_performance_preference", cpu); + + if (!is_valid_path(path)) + return -1; + + snprintf(linebuf, sizeof(linebuf), "%s", epp); + + if (cpupower_write_sysfs(path, linebuf, 30) <= 0) + return -1; + + return 0; +} + +int cpupower_set_amd_pstate_mode(char *mode) +{ + char path[SYSFS_PATH_MAX]; + char linebuf[20] = {}; + + snprintf(path, sizeof(path), PATH_TO_CPU "amd_pstate/status"); + + if (!is_valid_path(path)) + return -1; + + snprintf(linebuf, sizeof(linebuf), "%s\n", mode); + + if (cpupower_write_sysfs(path, linebuf, 20) <= 0) + return -1; + + return 0; +} + +bool cpupower_amd_pstate_enabled(void) +{ + char *driver = cpufreq_get_driver(0); + bool ret = false; + + if (!driver) + return ret; + + if (!strncmp(driver, "amd", 3)) + ret = true; + + cpufreq_put_driver(driver); + + return ret; +} + #endif /* #if defined(__i386__) || defined(__x86_64__) */ + +int cpufreq_has_generic_boost_support(bool *active) +{ + char path[SYSFS_PATH_MAX]; + char linebuf[2] = {}; + unsigned long val; + char *endp; + + snprintf(path, sizeof(path), PATH_TO_CPU "cpufreq/boost"); + + if (!is_valid_path(path)) + return -EACCES; + + if (cpupower_read_sysfs(path, linebuf, 2) <= 0) + return -EINVAL; + + val = strtoul(linebuf, &endp, 0); + if (endp == linebuf || errno == ERANGE) + return -EINVAL; + + switch (val) { + case 0: + *active = false; + break; + case 1: + *active = true; + break; + default: + return -EINVAL; + } + + return 0; +} + +/* get_cpustate + * + * Gather the information of all online CPUs into bitmask struct + */ +void get_cpustate(void) +{ + unsigned int cpu = 0; + + bitmask_clearall(online_cpus); + bitmask_clearall(offline_cpus); + + for (cpu = bitmask_first(cpus_chosen); + cpu <= bitmask_last(cpus_chosen); cpu++) { + + if (cpupower_is_cpu_online(cpu) == 1) + bitmask_setbit(online_cpus, cpu); + else + bitmask_setbit(offline_cpus, cpu); + + continue; + } +} + +/* print_online_cpus + * + * Print the CPU numbers of all CPUs that are online currently + */ +void print_online_cpus(void) +{ + int str_len = 0; + char *online_cpus_str = NULL; + + str_len = online_cpus->size * 5; + online_cpus_str = (void *)malloc(sizeof(char) * str_len); + + if (!bitmask_isallclear(online_cpus)) { + bitmask_displaylist(online_cpus_str, str_len, online_cpus); + printf(_("Following CPUs are online:\n%s\n"), online_cpus_str); + } +} + +/* print_offline_cpus + * + * Print the CPU numbers of all CPUs that are offline currently + */ +void print_offline_cpus(void) +{ + int str_len = 0; + char *offline_cpus_str = NULL; + + str_len = offline_cpus->size * 5; + offline_cpus_str = (void *)malloc(sizeof(char) * str_len); + + if (!bitmask_isallclear(offline_cpus)) { + bitmask_displaylist(offline_cpus_str, str_len, offline_cpus); + printf(_("Following CPUs are offline:\n%s\n"), offline_cpus_str); + printf(_("cpupower set operation was not performed on them\n")); + } +} + +/* + * print_speed + * + * Print the exact CPU frequency with appropriate unit + */ +void print_speed(unsigned long speed, int no_rounding) +{ + unsigned long tmp; + + if (no_rounding) { + if (speed > 1000000) + printf("%u.%06u GHz", ((unsigned int)speed / 1000000), + ((unsigned int)speed % 1000000)); + else if (speed > 1000) + printf("%u.%03u MHz", ((unsigned int)speed / 1000), + (unsigned int)(speed % 1000)); + else + printf("%lu kHz", speed); + } else { + if (speed > 1000000) { + tmp = speed % 10000; + if (tmp >= 5000) + speed += 10000; + printf("%u.%02u GHz", ((unsigned int)speed / 1000000), + ((unsigned int)(speed % 1000000) / 10000)); + } else if (speed > 100000) { + tmp = speed % 1000; + if (tmp >= 500) + speed += 1000; + printf("%u MHz", ((unsigned int)speed / 1000)); + } else if (speed > 1000) { + tmp = speed % 100; + if (tmp >= 50) + speed += 100; + printf("%u.%01u MHz", ((unsigned int)speed / 1000), + ((unsigned int)(speed % 1000) / 100)); + } + } +} + +int cpupower_set_turbo_boost(int turbo_boost) +{ + char path[SYSFS_PATH_MAX]; + char linebuf[2] = {}; + + snprintf(path, sizeof(path), PATH_TO_CPU "cpufreq/boost"); + + if (!is_valid_path(path)) + return -1; + + snprintf(linebuf, sizeof(linebuf), "%d", turbo_boost); + + if (cpupower_write_sysfs(path, linebuf, 2) <= 0) + return -1; + + return 0; +} diff --git a/tools/power/cpupower/utils/helpers/msr.c b/tools/power/cpupower/utils/helpers/msr.c index ab9950748838..8b0b6be74bb8 100644 --- a/tools/power/cpupower/utils/helpers/msr.c +++ b/tools/power/cpupower/utils/helpers/msr.c @@ -11,7 +11,6 @@ /* Intel specific MSRs */ #define MSR_IA32_PERF_STATUS 0x198 #define MSR_IA32_MISC_ENABLES 0x1a0 -#define MSR_IA32_ENERGY_PERF_BIAS 0x1b0 #define MSR_NEHALEM_TURBO_RATIO_LIMIT 0x1ad /* @@ -73,33 +72,6 @@ int write_msr(int cpu, unsigned int idx, unsigned long long val) return -1; } -int msr_intel_get_perf_bias(unsigned int cpu) -{ - unsigned long long val; - int ret; - - if (!(cpupower_cpu_info.caps & CPUPOWER_CAP_PERF_BIAS)) - return -1; - - ret = read_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &val); - if (ret) - return ret; - return val; -} - -int msr_intel_set_perf_bias(unsigned int cpu, unsigned int val) -{ - int ret; - - if (!(cpupower_cpu_info.caps & CPUPOWER_CAP_PERF_BIAS)) - return -1; - - ret = write_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, val); - if (ret) - return ret; - return 0; -} - unsigned long long msr_intel_get_turbo_ratio(unsigned int cpu) { unsigned long long val; diff --git a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c index 7c77045fef52..e8b3841d5c0f 100644 --- a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c +++ b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c @@ -6,6 +6,7 @@ */ +#include <errno.h> #include <stdio.h> #include <unistd.h> #include <stdlib.h> @@ -35,7 +36,7 @@ static unsigned int avail_monitors; static char *progname; enum operation_mode_e { list = 1, show, show_all }; -static int mode; +static enum operation_mode_e mode; static int interval = 1; static char *show_monitors_param; static struct cpupower_topology cpu_top; @@ -91,7 +92,11 @@ int fill_string_with_spaces(char *s, int n) return 0; } -#define MAX_COL_WIDTH 6 +#define MAX_COL_WIDTH 6 +#define TOPOLOGY_DEPTH_PKG 3 +#define TOPOLOGY_DEPTH_CORE 2 +#define TOPOLOGY_DEPTH_CPU 1 + void print_header(int topology_depth) { int unsigned mon; @@ -113,12 +118,17 @@ void print_header(int topology_depth) } printf("\n"); - if (topology_depth > 2) + switch (topology_depth) { + case TOPOLOGY_DEPTH_PKG: printf(" PKG|"); - if (topology_depth > 1) + case TOPOLOGY_DEPTH_CORE: printf("CORE|"); - if (topology_depth > 0) + case TOPOLOGY_DEPTH_CPU: printf(" CPU|"); + break; + default: + return; + } for (mon = 0; mon < avail_monitors; mon++) { if (mon != 0) @@ -152,12 +162,17 @@ void print_results(int topology_depth, int cpu) cpu_top.core_info[cpu].pkg == -1) return; - if (topology_depth > 2) + switch (topology_depth) { + case TOPOLOGY_DEPTH_PKG: printf("%4d|", cpu_top.core_info[cpu].pkg); - if (topology_depth > 1) + case TOPOLOGY_DEPTH_CORE: printf("%4d|", cpu_top.core_info[cpu].core); - if (topology_depth > 0) + case TOPOLOGY_DEPTH_CPU: printf("%4d|", cpu_top.core_info[cpu].cpu); + break; + default: + return; + } for (mon = 0; mon < avail_monitors; mon++) { if (mon != 0) @@ -294,7 +309,10 @@ int fork_it(char **argv) if (!child_pid) { /* child */ - execvp(argv[0], argv); + if (execvp(argv[0], argv) == -1) { + printf("Invalid monitor command %s\n", argv[0]); + exit(errno); + } } else { /* parent */ if (child_pid == -1) { @@ -423,11 +441,13 @@ int cmd_monitor(int argc, char **argv) if (avail_monitors == 0) { printf(_("No HW Cstate monitors found\n")); + cpu_topology_release(cpu_top); return 1; } if (mode == list) { list_monitors(); + cpu_topology_release(cpu_top); exit(EXIT_SUCCESS); } @@ -448,20 +468,21 @@ int cmd_monitor(int argc, char **argv) /* ToDo: Topology parsing needs fixing first to do this more generically */ if (cpu_top.pkgs > 1) - print_header(3); + print_header(TOPOLOGY_DEPTH_PKG); else - print_header(1); + print_header(TOPOLOGY_DEPTH_CPU); for (cpu = 0; cpu < cpu_count; cpu++) { if (cpu_top.pkgs > 1) - print_results(3, cpu); + print_results(TOPOLOGY_DEPTH_PKG, cpu); else - print_results(1, cpu); + print_results(TOPOLOGY_DEPTH_CPU, cpu); } - for (num = 0; num < avail_monitors; num++) - monitors[num]->unregister(); - + for (num = 0; num < avail_monitors; num++) { + if (monitors[num]->unregister) + monitors[num]->unregister(); + } cpu_topology_release(cpu_top); return 0; } diff --git a/tools/power/cpupower/utils/idle_monitor/hsw_ext_idle.c b/tools/power/cpupower/utils/idle_monitor/hsw_ext_idle.c index 55e55b6b42f9..f5a2a326b1b7 100644 --- a/tools/power/cpupower/utils/idle_monitor/hsw_ext_idle.c +++ b/tools/power/cpupower/utils/idle_monitor/hsw_ext_idle.c @@ -117,7 +117,7 @@ static int hsw_ext_start(void) for (num = 0; num < HSW_EXT_CSTATE_COUNT; num++) { for (cpu = 0; cpu < cpu_count; cpu++) { - hsw_ext_get_count(num, &val, cpu); + is_valid[cpu] = !hsw_ext_get_count(num, &val, cpu); previous_count[num][cpu] = val; } } @@ -134,7 +134,7 @@ static int hsw_ext_stop(void) for (num = 0; num < HSW_EXT_CSTATE_COUNT; num++) { for (cpu = 0; cpu < cpu_count; cpu++) { - is_valid[cpu] = !hsw_ext_get_count(num, &val, cpu); + is_valid[cpu] |= !hsw_ext_get_count(num, &val, cpu); current_count[num][cpu] = val; } } diff --git a/tools/power/cpupower/utils/idle_monitor/idle_monitors.def b/tools/power/cpupower/utils/idle_monitor/idle_monitors.def index 0d6ba4dbb9c7..7c926e90c87e 100644 --- a/tools/power/cpupower/utils/idle_monitor/idle_monitors.def +++ b/tools/power/cpupower/utils/idle_monitor/idle_monitors.def @@ -4,5 +4,6 @@ DEF(intel_nhm) DEF(intel_snb) DEF(intel_hsw_ext) DEF(mperf) +DEF(rapl) #endif DEF(cpuidle_sysfs) diff --git a/tools/power/cpupower/utils/idle_monitor/mperf_monitor.c b/tools/power/cpupower/utils/idle_monitor/mperf_monitor.c index e7d48cb563c0..5ae02c3d5b64 100644 --- a/tools/power/cpupower/utils/idle_monitor/mperf_monitor.c +++ b/tools/power/cpupower/utils/idle_monitor/mperf_monitor.c @@ -33,7 +33,7 @@ static int mperf_get_count_percent(unsigned int self_id, double *percent, unsigned int cpu); static int mperf_get_count_freq(unsigned int id, unsigned long long *count, unsigned int cpu); -static struct timespec time_start, time_end; +static struct timespec *time_start, *time_end; static cstate_t mperf_cstates[MPERF_CSTATE_COUNT] = { { @@ -70,8 +70,8 @@ static int max_freq_mode; */ static unsigned long max_frequency; -static unsigned long long tsc_at_measure_start; -static unsigned long long tsc_at_measure_end; +static unsigned long long *tsc_at_measure_start; +static unsigned long long *tsc_at_measure_end; static unsigned long long *mperf_previous_count; static unsigned long long *aperf_previous_count; static unsigned long long *mperf_current_count; @@ -148,7 +148,7 @@ static int mperf_measure_stats(unsigned int cpu) ret = get_aperf_mperf(cpu, &aval, &mval); aperf_current_count[cpu] = aval; mperf_current_count[cpu] = mval; - is_valid[cpu] = !ret; + is_valid[cpu] |= !ret; return 0; } @@ -169,12 +169,12 @@ static int mperf_get_count_percent(unsigned int id, double *percent, aperf_diff = aperf_current_count[cpu] - aperf_previous_count[cpu]; if (max_freq_mode == MAX_FREQ_TSC_REF) { - tsc_diff = tsc_at_measure_end - tsc_at_measure_start; + tsc_diff = tsc_at_measure_end[cpu] - tsc_at_measure_start[cpu]; *percent = 100.0 * mperf_diff / tsc_diff; dprint("%s: TSC Ref - mperf_diff: %llu, tsc_diff: %llu\n", mperf_cstates[id].name, mperf_diff, tsc_diff); } else if (max_freq_mode == MAX_FREQ_SYSFS) { - timediff = max_frequency * timespec_diff_us(time_start, time_end); + timediff = max_frequency * timespec_diff_us(time_start[cpu], time_end[cpu]); *percent = 100.0 * mperf_diff / timediff; dprint("%s: MAXFREQ - mperf_diff: %llu, time_diff: %llu\n", mperf_cstates[id].name, mperf_diff, timediff); @@ -206,8 +206,8 @@ static int mperf_get_count_freq(unsigned int id, unsigned long long *count, if (max_freq_mode == MAX_FREQ_TSC_REF) { /* Calculate max_freq from TSC count */ - tsc_diff = tsc_at_measure_end - tsc_at_measure_start; - time_diff = timespec_diff_us(time_start, time_end); + tsc_diff = tsc_at_measure_end[cpu] - tsc_at_measure_start[cpu]; + time_diff = timespec_diff_us(time_start[cpu], time_end[cpu]); max_frequency = tsc_diff / time_diff; } @@ -225,32 +225,25 @@ static int mperf_get_count_freq(unsigned int id, unsigned long long *count, static int mperf_start(void) { int cpu; - unsigned long long dbg; - - clock_gettime(CLOCK_REALTIME, &time_start); - mperf_get_tsc(&tsc_at_measure_start); - for (cpu = 0; cpu < cpu_count; cpu++) + for (cpu = 0; cpu < cpu_count; cpu++) { + clock_gettime(CLOCK_REALTIME, &time_start[cpu]); + mperf_get_tsc(&tsc_at_measure_start[cpu]); mperf_init_stats(cpu); + } - mperf_get_tsc(&dbg); - dprint("TSC diff: %llu\n", dbg - tsc_at_measure_start); return 0; } static int mperf_stop(void) { - unsigned long long dbg; int cpu; - for (cpu = 0; cpu < cpu_count; cpu++) + for (cpu = 0; cpu < cpu_count; cpu++) { + clock_gettime(CLOCK_REALTIME, &time_end[cpu]); + mperf_get_tsc(&tsc_at_measure_end[cpu]); mperf_measure_stats(cpu); - - mperf_get_tsc(&tsc_at_measure_end); - clock_gettime(CLOCK_REALTIME, &time_end); - - mperf_get_tsc(&dbg); - dprint("TSC diff: %llu\n", dbg - tsc_at_measure_end); + } return 0; } @@ -353,7 +346,10 @@ struct cpuidle_monitor *mperf_register(void) aperf_previous_count = calloc(cpu_count, sizeof(unsigned long long)); mperf_current_count = calloc(cpu_count, sizeof(unsigned long long)); aperf_current_count = calloc(cpu_count, sizeof(unsigned long long)); - + tsc_at_measure_start = calloc(cpu_count, sizeof(unsigned long long)); + tsc_at_measure_end = calloc(cpu_count, sizeof(unsigned long long)); + time_start = calloc(cpu_count, sizeof(struct timespec)); + time_end = calloc(cpu_count, sizeof(struct timespec)); mperf_monitor.name_len = strlen(mperf_monitor.name); return &mperf_monitor; } @@ -364,6 +360,10 @@ void mperf_unregister(void) free(aperf_previous_count); free(mperf_current_count); free(aperf_current_count); + free(tsc_at_measure_start); + free(tsc_at_measure_end); + free(time_start); + free(time_end); free(is_valid); } diff --git a/tools/power/cpupower/utils/idle_monitor/nhm_idle.c b/tools/power/cpupower/utils/idle_monitor/nhm_idle.c index 16eaf006f61f..6b1733782ffa 100644 --- a/tools/power/cpupower/utils/idle_monitor/nhm_idle.c +++ b/tools/power/cpupower/utils/idle_monitor/nhm_idle.c @@ -151,7 +151,7 @@ static int nhm_stop(void) for (num = 0; num < NHM_CSTATE_COUNT; num++) { for (cpu = 0; cpu < cpu_count; cpu++) { - is_valid[cpu] = !nhm_get_count(num, &val, cpu); + is_valid[cpu] |= !nhm_get_count(num, &val, cpu); current_count[num][cpu] = val; } } diff --git a/tools/power/cpupower/utils/idle_monitor/rapl_monitor.c b/tools/power/cpupower/utils/idle_monitor/rapl_monitor.c new file mode 100644 index 000000000000..46153f1291c3 --- /dev/null +++ b/tools/power/cpupower/utils/idle_monitor/rapl_monitor.c @@ -0,0 +1,148 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * (C) 2016 SUSE Software Solutions GmbH + * Thomas Renninger <trenn@suse.de> + */ + +#if defined(__i386__) || defined(__x86_64__) + +#include <stdio.h> +#include <stdlib.h> +#include <stdint.h> +#include <time.h> +#include <string.h> + +#include <pci/pci.h> + +#include "idle_monitor/cpupower-monitor.h" +#include "helpers/helpers.h" +#include "powercap.h" + +#define MAX_RAPL_ZONES 10 + +int rapl_zone_count; +cstate_t rapl_zones[MAX_RAPL_ZONES]; +struct powercap_zone *rapl_zones_pt[MAX_RAPL_ZONES] = { 0 }; + +unsigned long long rapl_zone_previous_count[MAX_RAPL_ZONES]; +unsigned long long rapl_zone_current_count[MAX_RAPL_ZONES]; +unsigned long long rapl_max_count; + +static int rapl_get_count_uj(unsigned int id, unsigned long long *count, + unsigned int cpu) +{ + if (rapl_zones_pt[id] == NULL) + /* error */ + return -1; + + *count = rapl_zone_current_count[id] - rapl_zone_previous_count[id]; + + return 0; +} + +static int powercap_count_zones(struct powercap_zone *zone) +{ + uint64_t val; + int uj; + + if (rapl_zone_count >= MAX_RAPL_ZONES) + return -1; + + if (!zone->has_energy_uj) + return 0; + + printf("%s\n", zone->sys_name); + uj = powercap_get_energy_uj(zone, &val); + printf("%d\n", uj); + + strncpy(rapl_zones[rapl_zone_count].name, zone->name, CSTATE_NAME_LEN - 1); + strcpy(rapl_zones[rapl_zone_count].desc, ""); + rapl_zones[rapl_zone_count].id = rapl_zone_count; + rapl_zones[rapl_zone_count].range = RANGE_MACHINE; + rapl_zones[rapl_zone_count].get_count = rapl_get_count_uj; + rapl_zones_pt[rapl_zone_count] = zone; + rapl_zone_count++; + + return 0; +} + +static int rapl_start(void) +{ + int i, ret; + uint64_t uj_val; + + for (i = 0; i < rapl_zone_count; i++) { + ret = powercap_get_energy_uj(rapl_zones_pt[i], &uj_val); + if (ret) + return ret; + rapl_zone_previous_count[i] = uj_val; + } + + return 0; +} + +static int rapl_stop(void) +{ + int i; + uint64_t uj_val; + + for (i = 0; i < rapl_zone_count; i++) { + int ret; + + ret = powercap_get_energy_uj(rapl_zones_pt[i], &uj_val); + if (ret) + return ret; + rapl_zone_current_count[i] = uj_val; + if (rapl_max_count < uj_val) + rapl_max_count = uj_val - rapl_zone_previous_count[i]; + } + return 0; +} + +struct cpuidle_monitor *rapl_register(void) +{ + struct powercap_zone *root_zone; + char line[MAX_LINE_LEN] = ""; + int ret, val; + + ret = powercap_get_driver(line, MAX_LINE_LEN); + if (ret < 0) { + dprint("No powercapping driver loaded\n"); + return NULL; + } + + dprint("Driver: %s\n", line); + ret = powercap_get_enabled(&val); + if (ret < 0) + return NULL; + if (!val) { + dprint("Powercapping is disabled\n"); + return NULL; + } + + dprint("Powercap domain hierarchy:\n\n"); + root_zone = powercap_init_zones(); + + if (root_zone == NULL) { + dprint("No powercap info found\n"); + return NULL; + } + + powercap_walk_zones(root_zone, powercap_count_zones); + rapl_monitor.hw_states_num = rapl_zone_count; + + return &rapl_monitor; +} + +struct cpuidle_monitor rapl_monitor = { + .name = "RAPL", + .hw_states = rapl_zones, + .hw_states_num = 0, + .start = rapl_start, + .stop = rapl_stop, + .do_register = rapl_register, + .flags.needs_root = 0, + .overflow_s = 60 * 60 * 24 * 100, /* To be implemented */ +}; + +#endif diff --git a/tools/power/cpupower/utils/idle_monitor/snb_idle.c b/tools/power/cpupower/utils/idle_monitor/snb_idle.c index 811d63ab17a7..5969b88a85b4 100644 --- a/tools/power/cpupower/utils/idle_monitor/snb_idle.c +++ b/tools/power/cpupower/utils/idle_monitor/snb_idle.c @@ -115,7 +115,7 @@ static int snb_start(void) for (num = 0; num < SNB_CSTATE_COUNT; num++) { for (cpu = 0; cpu < cpu_count; cpu++) { - snb_get_count(num, &val, cpu); + is_valid[cpu] = !snb_get_count(num, &val, cpu); previous_count[num][cpu] = val; } } @@ -132,7 +132,7 @@ static int snb_stop(void) for (num = 0; num < SNB_CSTATE_COUNT; num++) { for (cpu = 0; cpu < cpu_count; cpu++) { - is_valid[cpu] = !snb_get_count(num, &val, cpu); + is_valid[cpu] |= !snb_get_count(num, &val, cpu); current_count[num][cpu] = val; } } diff --git a/tools/power/cpupower/utils/powercap-info.c b/tools/power/cpupower/utils/powercap-info.c new file mode 100644 index 000000000000..3ea4486f1a0e --- /dev/null +++ b/tools/power/cpupower/utils/powercap-info.c @@ -0,0 +1,117 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * (C) 2016 SUSE Software Solutions GmbH + * Thomas Renninger <trenn@suse.de> + */ + +#include <unistd.h> +#include <stdio.h> +#include <errno.h> +#include <stdlib.h> +#include <stdint.h> +#include <string.h> + +#include <getopt.h> + +#include "powercap.h" +#include "helpers/helpers.h" + +int powercap_show_all; + +static struct option info_opts[] = { + { "all", no_argument, NULL, 'a'}, + { }, +}; + +static int powercap_print_one_zone(struct powercap_zone *zone) +{ + int mode, i, ret = 0; + char pr_prefix[1024] = ""; + + for (i = 0; i < zone->tree_depth && i < POWERCAP_MAX_TREE_DEPTH; i++) + strcat(pr_prefix, "\t"); + + printf("%sZone: %s", pr_prefix, zone->name); + ret = powercap_zone_get_enabled(zone, &mode); + if (ret < 0) + return ret; + printf(" (%s)\n", mode ? "enabled" : "disabled"); + + if (zone->has_power_uw) + printf(_("%sPower can be monitored in micro Jules\n"), + pr_prefix); + + if (zone->has_energy_uj) + printf(_("%sPower can be monitored in micro Watts\n"), + pr_prefix); + + printf("\n"); + + if (ret != 0) + return ret; + return ret; +} + +static int powercap_show(void) +{ + struct powercap_zone *root_zone; + char line[MAX_LINE_LEN] = ""; + int ret, val; + + ret = powercap_get_driver(line, MAX_LINE_LEN); + if (ret < 0) { + printf(_("No powercapping driver loaded\n")); + return ret; + } + + printf("Driver: %s\n", line); + ret = powercap_get_enabled(&val); + if (ret < 0) + return ret; + if (!val) { + printf(_("Powercapping is disabled\n")); + return -1; + } + + printf(_("Powercap domain hierarchy:\n\n")); + root_zone = powercap_init_zones(); + + if (root_zone == NULL) { + printf(_("No powercap info found\n")); + return 1; + } + + powercap_walk_zones(root_zone, powercap_print_one_zone); + + return 0; +} + +int cmd_cap_set(int argc, char **argv) +{ + return 0; +}; +int cmd_cap_info(int argc, char **argv) +{ + int ret = 0, cont = 1; + + do { + ret = getopt_long(argc, argv, "a", info_opts, NULL); + switch (ret) { + case '?': + cont = 0; + break; + case -1: + cont = 0; + break; + case 'a': + powercap_show_all = 1; + break; + default: + fprintf(stderr, _("invalid or unknown argument\n")); + return EXIT_FAILURE; + } + } while (cont); + + powercap_show(); + return 0; +} |