diff options
Diffstat (limited to 'examples/vm_power_manager/power_manager.c')
-rw-r--r-- | examples/vm_power_manager/power_manager.c | 68 |
1 files changed, 63 insertions, 5 deletions
diff --git a/examples/vm_power_manager/power_manager.c b/examples/vm_power_manager/power_manager.c index 2644fce6..1834a823 100644 --- a/examples/vm_power_manager/power_manager.c +++ b/examples/vm_power_manager/power_manager.c @@ -108,7 +108,7 @@ set_host_cpus_mask(void) int power_manager_init(void) { - unsigned i, num_cpus; + unsigned int i, num_cpus, num_freqs; uint64_t cpu_mask; int ret = 0; @@ -121,15 +121,21 @@ power_manager_init(void) rte_power_set_env(PM_ENV_ACPI_CPUFREQ); cpu_mask = global_enabled_cpus; for (i = 0; cpu_mask; cpu_mask &= ~(1 << i++)) { - if (rte_power_init(i) < 0 || rte_power_freqs(i, - global_core_freq_info[i].freqs, - RTE_MAX_LCORE_FREQS) == 0) { - RTE_LOG(ERR, POWER_MANAGER, "Unable to initialize power manager " + if (rte_power_init(i) < 0) + RTE_LOG(ERR, POWER_MANAGER, + "Unable to initialize power manager " "for core %u\n", i); + num_freqs = rte_power_freqs(i, global_core_freq_info[i].freqs, + RTE_MAX_LCORE_FREQS); + if (num_freqs == 0) { + RTE_LOG(ERR, POWER_MANAGER, + "Unable to get frequency list for core %u\n", + i); global_enabled_cpus &= ~(1 << i); num_cpus--; ret = -1; } + global_core_freq_info[i].num_freqs = num_freqs; rte_spinlock_init(&global_core_freq_info[i].power_sl); } RTE_LOG(INFO, POWER_MANAGER, "Detected %u host CPUs , enabled core mask:" @@ -216,6 +222,24 @@ power_manager_scale_mask_max(uint64_t core_mask) } int +power_manager_enable_turbo_mask(uint64_t core_mask) +{ + int ret = 0; + + POWER_SCALE_MASK(enable_turbo, core_mask, ret); + return ret; +} + +int +power_manager_disable_turbo_mask(uint64_t core_mask) +{ + int ret = 0; + + POWER_SCALE_MASK(disable_turbo, core_mask, ret); + return ret; +} + +int power_manager_scale_core_up(unsigned core_num) { int ret = 0; @@ -250,3 +274,37 @@ power_manager_scale_core_max(unsigned core_num) POWER_SCALE_CORE(max, core_num, ret); return ret; } + +int +power_manager_enable_turbo_core(unsigned int core_num) +{ + int ret = 0; + + POWER_SCALE_CORE(enable_turbo, core_num, ret); + return ret; +} + +int +power_manager_disable_turbo_core(unsigned int core_num) +{ + int ret = 0; + + POWER_SCALE_CORE(disable_turbo, core_num, ret); + return ret; +} + +int +power_manager_scale_core_med(unsigned int core_num) +{ + int ret = 0; + + if (core_num >= POWER_MGR_MAX_CPUS) + return -1; + if (!(global_enabled_cpus & (1ULL << core_num))) + return -1; + rte_spinlock_lock(&global_core_freq_info[core_num].power_sl); + ret = rte_power_set_freq(core_num, + global_core_freq_info[core_num].num_freqs / 2); + rte_spinlock_unlock(&global_core_freq_info[core_num].power_sl); + return ret; +} |