本文整理汇总了C++中cpuidle_pause_and_lock函数的典型用法代码示例。如果您正苦于以下问题：C++ cpuidle_pause_and_lock函数的具体用法？C++ cpuidle_pause_and_lock怎么用？C++ cpuidle_pause_and_lock使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了cpuidle_pause_and_lock函数的9个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: pseries_cpuidle_add_cpu_notifier
static int pseries_cpuidle_add_cpu_notifier(struct notifier_block *n,
unsigned long action, void *hcpu)
{
int hotcpu = (unsigned long)hcpu;
struct cpuidle_device *dev =
per_cpu(cpuidle_devices, hotcpu);
if (dev && cpuidle_get_driver()) {
switch (action) {
case CPU_ONLINE:
case CPU_ONLINE_FROZEN:
cpuidle_pause_and_lock();
cpuidle_enable_device(dev);
cpuidle_resume_and_unlock();
break;
case CPU_DEAD:
case CPU_DEAD_FROZEN:
cpuidle_pause_and_lock();
cpuidle_disable_device(dev);
cpuidle_resume_and_unlock();
break;
default:
return NOTIFY_DONE;
}
}
return NOTIFY_OK;
}
开发者ID:0x000000FF，项目名称:edison-linux，代码行数:29，代码来源:cpuidle-pseries.c
示例2: acpi_processor_hotplug
int acpi_processor_hotplug(struct acpi_processor *pr)
{
int ret = 0;
if (disabled_by_idle_boot_param())
return 0;
if (!pr)
return -EINVAL;
if (nocst) {
return -ENODEV;
}
if (!pr->flags.power_setup_done)
return -ENODEV;
cpuidle_pause_and_lock();
cpuidle_disable_device(&pr->power.dev);
acpi_processor_get_power_info(pr);
if (pr->flags.power) {
acpi_processor_setup_cpuidle_cx(pr);
ret = cpuidle_enable_device(&pr->power.dev);
}
cpuidle_resume_and_unlock();
return ret;
}
开发者ID:DirtyDroidX，项目名称:android_kernel_htc_m8ul，代码行数:28，代码来源:processor_idle.c
示例3: acpi_processor_hotplug
int acpi_processor_hotplug(struct acpi_processor *pr)
{
int ret = 0;
struct cpuidle_device *dev;
if (disabled_by_idle_boot_param())
return 0;
if (nocst)
return -ENODEV;
if (!pr->flags.power_setup_done)
return -ENODEV;
dev = per_cpu(acpi_cpuidle_device, pr->id);
cpuidle_pause_and_lock();
cpuidle_disable_device(dev);
acpi_processor_get_power_info(pr);
if (pr->flags.power) {
acpi_processor_setup_cpuidle_cx(pr, dev);
ret = cpuidle_enable_device(dev);
}
cpuidle_resume_and_unlock();
return ret;
}
开发者ID:magarto，项目名称:linux-rpi-grsecurity，代码行数:26，代码来源:processor_idle.c
示例4: cpuidle_unregister_device
/**
* cpuidle_unregister_device - unregisters a CPU's idle PM feature
* @dev: the cpu
*/
void cpuidle_unregister_device(struct cpuidle_device *dev)
{
struct sys_device *sys_dev = get_cpu_sysdev((unsigned long)dev->cpu);
if (!sys_dev) {
pr_err(" ERR get_cpu_sysdev returned NULL\n");
return;
}
if (dev->registered == 0)
return;
if (!sys_dev)
return;
cpuidle_pause_and_lock();
cpuidle_disable_device(dev);
cpuidle_remove_sysfs(sys_dev);
list_del(&dev->device_list);
wait_for_completion(&dev->kobj_unregister);
per_cpu(cpuidle_devices, dev->cpu) = NULL;
cpuidle_resume_and_unlock();
module_put(cpuidle_curr_driver->owner);
}
开发者ID:dancing-leaves，项目名称:nst-linux-kernel，代码行数:32，代码来源:cpuidle.c
示例5: cpuidle_unregister_device
/**
* cpuidle_unregister_device - unregisters a CPU's idle PM feature
* @dev: the cpu
*/
void cpuidle_unregister_device(struct cpuidle_device *dev)
{
struct device *cpu_dev;
struct cpuidle_driver *cpuidle_driver = cpuidle_get_driver();
if (!dev)
return;
cpu_dev = get_cpu_device((unsigned long)dev->cpu);
if (!cpu_dev)
return;
if (dev->registered == 0)
return;
cpuidle_pause_and_lock();
cpuidle_disable_device(dev);
cpuidle_remove_sysfs(cpu_dev);
list_del(&dev->device_list);
wait_for_completion(&dev->kobj_unregister);
per_cpu(cpuidle_devices, dev->cpu) = NULL;
cpuidle_coupled_unregister_device(dev);
cpuidle_resume_and_unlock();
module_put(cpuidle_driver->owner);
}
开发者ID:Leoyzen，项目名称:Charm-Eye，代码行数:32，代码来源:cpuidle.c
示例6: acpi_processor_cst_has_changed
int acpi_processor_cst_has_changed(struct acpi_processor *pr)
{
int cpu;
struct acpi_processor *_pr;
struct cpuidle_device *dev;
if (disabled_by_idle_boot_param())
return 0;
if (!pr)
return -EINVAL;
if (nocst)
return -ENODEV;
if (!pr->flags.power_setup_done)
return -ENODEV;
/*
* FIXME: Design the ACPI notification to make it once per
* system instead of once per-cpu. This condition is a hack
* to make the code that updates C-States be called once.
*/
if (pr->id == 0 && cpuidle_get_driver() == &acpi_idle_driver) {
cpuidle_pause_and_lock();
/* Protect against cpu-hotplug */
get_online_cpus();
/* Disable all cpuidle devices */
for_each_online_cpu(cpu) {
_pr = per_cpu(processors, cpu);
if (!_pr || !_pr->flags.power_setup_done)
continue;
dev = per_cpu(acpi_cpuidle_device, cpu);
cpuidle_disable_device(dev);
}
/* Populate Updated C-state information */
acpi_processor_get_power_info(pr);
acpi_processor_setup_cpuidle_states(pr);
/* Enable all cpuidle devices */
for_each_online_cpu(cpu) {
_pr = per_cpu(processors, cpu);
if (!_pr || !_pr->flags.power_setup_done)
continue;
acpi_processor_get_power_info(_pr);
if (_pr->flags.power) {
dev = per_cpu(acpi_cpuidle_device, cpu);
acpi_processor_setup_cpuidle_cx(_pr, dev);
cpuidle_enable_device(dev);
}
}
put_online_cpus();
cpuidle_resume_and_unlock();
}
开发者ID:AndroidGX，项目名称:SimpleGX-L-5.0.2_BOD6_G901F，代码行数:58，代码来源:processor_idle.c
示例7: s5p6442_setup_lpaudio
int s5p6442_setup_lpaudio(unsigned int mode)
{
struct cpuidle_device *device;
int ret = 0;
cpuidle_pause_and_lock();
device = &per_cpu(s5p6442_cpuidle_device, smp_processor_id());
cpuidle_disable_device(device);
switch (mode) {
case NORMAL_MODE:
device->state_count = 1;
/* Wait for interrupt state */
device->states[0].enter = s5p6442_enter_idle_normal;
device->states[0].exit_latency = 1; /* uS */
device->states[0].target_residency = 10000;
device->states[0].flags = CPUIDLE_FLAG_TIME_VALID;
strcpy(device->states[0].name, "IDLE");
strcpy(device->states[0].desc, "ARM clock gating - WFI");
break;
case LPAUDIO_MODE:
device->state_count = 1;
/* Wait for interrupt state */
device->states[0].enter = s5p6442_enter_idle_bm;
device->states[0].exit_latency = 1; /* uS */
device->states[0].target_residency = 5000;
device->states[0].flags = CPUIDLE_FLAG_TIME_VALID |
CPUIDLE_FLAG_CHECK_BM;
strcpy(device->states[0].name, "DEEP IDLE");
strcpy(device->states[0].desc, "S5P6442 idle2");
break;
default:
printk(KERN_ERR "Can't find cpuidle mode %d\n", mode);
device->state_count = 1;
/* Wait for interrupt state */
device->states[0].enter = s5p6442_enter_idle_normal;
device->states[0].exit_latency = 1; /* uS */
device->states[0].target_residency = 10000;
device->states[0].flags = CPUIDLE_FLAG_TIME_VALID;
strcpy(device->states[0].name, "IDLE");
strcpy(device->states[0].desc, "ARM clock gating - WFI");
break;
}
cpuidle_enable_device(device);
cpuidle_resume_and_unlock();
return ret;
}
开发者ID:Arakmar，项目名称:G3MOD，代码行数:51，代码来源:cpuidle.c
示例8: acpi_processor_cst_has_changed
int acpi_processor_cst_has_changed(struct acpi_processor *pr)
{
int cpu;
struct acpi_processor *_pr;
if (disabled_by_idle_boot_param())
return 0;
if (!pr)
return -EINVAL;
if (nocst)
return -ENODEV;
if (!pr->flags.power_setup_done)
return -ENODEV;
if (pr->id == 0 && cpuidle_get_driver() == &acpi_idle_driver) {
cpuidle_pause_and_lock();
get_online_cpus();
for_each_online_cpu(cpu) {
_pr = per_cpu(processors, cpu);
if (!_pr || !_pr->flags.power_setup_done)
continue;
cpuidle_disable_device(&_pr->power.dev);
}
acpi_processor_setup_cpuidle_states(pr);
for_each_online_cpu(cpu) {
_pr = per_cpu(processors, cpu);
if (!_pr || !_pr->flags.power_setup_done)
continue;
acpi_processor_get_power_info(_pr);
if (_pr->flags.power) {
acpi_processor_setup_cpuidle_cx(_pr);
cpuidle_enable_device(&_pr->power.dev);
}
}
put_online_cpus();
cpuidle_resume_and_unlock();
}
开发者ID:DirtyDroidX，项目名称:android_kernel_htc_m8ul，代码行数:49，代码来源:processor_idle.c
示例9: cpuidle_unregister_device
/**
* cpuidle_unregister_device - unregisters a CPU's idle PM feature
* @dev: the cpu
*/
void cpuidle_unregister_device(struct cpuidle_device *dev)
{
struct cpuidle_driver *drv = cpuidle_get_cpu_driver(dev);
if (dev->registered == 0)
return;
cpuidle_pause_and_lock();
cpuidle_disable_device(dev);
cpuidle_remove_sysfs(dev);
list_del(&dev->device_list);
per_cpu(cpuidle_devices, dev->cpu) = NULL;
cpuidle_coupled_unregister_device(dev);
cpuidle_resume_and_unlock();
module_put(drv->owner);
}
开发者ID:andy78328，项目名称:pmu-for-omap4，代码行数:25，代码来源:cpuidle.c
注：本文中的cpuidle_pause_and_lock函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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