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-rw-r--r--examples/vm_power_manager/power_manager.c68
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;
+}