diff options
| -rw-r--r-- | tools/power/cpupower/utils/cpufreq-set.c | 3 | ||||
| -rw-r--r-- | tools/power/cpupower/utils/cpuidle-set.c | 4 | ||||
| -rw-r--r-- | tools/power/cpupower/utils/cpupower.c | 8 | ||||
| -rw-r--r-- | tools/power/cpupower/utils/helpers/helpers.h | 12 | ||||
| -rw-r--r-- | tools/power/cpupower/utils/helpers/misc.c | 66 |
5 files changed, 92 insertions, 1 deletions
diff --git a/tools/power/cpupower/utils/cpufreq-set.c b/tools/power/cpupower/utils/cpufreq-set.c index 7b2164e07057..c5e60a39cfa6 100644 --- a/tools/power/cpupower/utils/cpufreq-set.c +++ b/tools/power/cpupower/utils/cpufreq-set.c @@ -315,6 +315,7 @@ int cmd_freq_set(int argc, char **argv) } } + get_cpustate(); /* loop over CPUs */ for (cpu = bitmask_first(cpus_chosen); @@ -332,5 +333,7 @@ int cmd_freq_set(int argc, char **argv) } } + print_offline_cpus(); + return 0; } diff --git a/tools/power/cpupower/utils/cpuidle-set.c b/tools/power/cpupower/utils/cpuidle-set.c index 569f268f4c7f..46158928f9ad 100644 --- a/tools/power/cpupower/utils/cpuidle-set.c +++ b/tools/power/cpupower/utils/cpuidle-set.c @@ -95,6 +95,8 @@ 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 +183,7 @@ int cmd_idle_set(int argc, char **argv) break; } } + + print_offline_cpus(); return EXIT_SUCCESS; } diff --git a/tools/power/cpupower/utils/cpupower.c b/tools/power/cpupower/utils/cpupower.c index 8e3d08042825..8ac3304a9957 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; @@ -178,6 +180,8 @@ 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 +234,10 @@ 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/helpers.h b/tools/power/cpupower/utils/helpers/helpers.h index c258eeccd05f..d5799aa71e1f 100644 --- a/tools/power/cpupower/utils/helpers/helpers.h +++ b/tools/power/cpupower/utils/helpers/helpers.h @@ -94,6 +94,8 @@ 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 **************************/ /* X86 ONLY ****************************************/ @@ -171,4 +173,14 @@ 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); + #endif /* __CPUPOWERUTILS_HELPERS__ */ diff --git a/tools/power/cpupower/utils/helpers/misc.c b/tools/power/cpupower/utils/helpers/misc.c index f406adc40bad..2ead98169cf5 100644 --- a/tools/power/cpupower/utils/helpers/misc.c +++ b/tools/power/cpupower/utils/helpers/misc.c @@ -1,8 +1,12 @@ // SPDX-License-Identifier: GPL-2.0 -#if defined(__i386__) || defined(__x86_64__) + +#include <stdio.h> +#include <stdlib.h> #include "helpers/helpers.h" +#if defined(__i386__) || defined(__x86_64__) + #define MSR_AMD_HWCR 0xc0010015 int cpufreq_has_boost_support(unsigned int cpu, int *support, int *active, @@ -41,3 +45,63 @@ int cpufreq_has_boost_support(unsigned int cpu, int *support, int *active, return 0; } #endif /* #if defined(__i386__) || defined(__x86_64__) */ + +/* 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")); + } +} |