static ssize_t cstate_get_attr_cpumask(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct pmu *pmu = dev_get_drvdata(dev);
if (pmu == &cstate_core_pmu)
return cpumap_print_to_pagebuf(true, buf, &cstate_core_cpu_mask);
else if (pmu == &cstate_pkg_pmu)
return cpumap_print_to_pagebuf(true, buf, &cstate_pkg_cpu_mask);
else
return 0;
}
static ssize_t node_read_cpumap(struct device *dev, bool list, char *buf)
{
struct node *node_dev = to_node(dev);
const struct cpumask *mask = cpumask_of_node(node_dev->dev.id);
/* 2008/04/07: buf currently PAGE_SIZE, need 9 chars per 32 bits. */
BUILD_BUG_ON((NR_CPUS/32 * 9) > (PAGE_SIZE-1));
return cpumap_print_to_pagebuf(list, buf, mask);
}
/* Get the cpumask printed to a buffer "buf" */
static ssize_t imc_pmu_cpumask_get_attr(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct pmu *pmu = dev_get_drvdata(dev);
struct imc_pmu *imc_pmu = container_of(pmu, struct imc_pmu, pmu);
cpumask_t *active_mask;
switch(imc_pmu->domain){
case IMC_DOMAIN_NEST:
active_mask = &nest_imc_cpumask;
break;
case IMC_DOMAIN_CORE:
active_mask = &core_imc_cpumask;
break;
default:
return 0;
}
return cpumap_print_to_pagebuf(true, buf, active_mask);
}
static ssize_t
get_attr_cpumask(struct device *dev, struct device_attribute *attr, char *buf)
{
return cpumap_print_to_pagebuf(true, buf, &cpu_mask);
}
static ssize_t acpi_pad_idlecpus_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return cpumap_print_to_pagebuf(false, buf,
to_cpumask(pad_busy_cpus_bits));
}