diff options
Diffstat (limited to 'tools/testing/selftests/kvm/include/kvm_util.h')
| -rw-r--r-- | tools/testing/selftests/kvm/include/kvm_util.h | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/tools/testing/selftests/kvm/include/kvm_util.h b/tools/testing/selftests/kvm/include/kvm_util.h index bee65ca08721..492f0edc7955 100644 --- a/tools/testing/selftests/kvm/include/kvm_util.h +++ b/tools/testing/selftests/kvm/include/kvm_util.h @@ -20,6 +20,8 @@ #include <sys/ioctl.h> +#include <pthread.h> + #include "kvm_util_arch.h" #include "kvm_util_types.h" #include "sparsebit.h" @@ -1013,7 +1015,34 @@ struct kvm_vcpu *vm_recreate_with_one_vcpu(struct kvm_vm *vm); void kvm_set_files_rlimit(uint32_t nr_vcpus); -void kvm_pin_this_task_to_pcpu(uint32_t pcpu); +int __pin_task_to_cpu(pthread_t task, int cpu); + +static inline void pin_task_to_cpu(pthread_t task, int cpu) +{ + int r; + + r = __pin_task_to_cpu(task, cpu); + TEST_ASSERT(!r, "Failed to set thread affinity to pCPU '%u'", cpu); +} + +static inline int pin_task_to_any_cpu(pthread_t task) +{ + int cpu = sched_getcpu(); + + pin_task_to_cpu(task, cpu); + return cpu; +} + +static inline void pin_self_to_cpu(int cpu) +{ + pin_task_to_cpu(pthread_self(), cpu); +} + +static inline int pin_self_to_any_cpu(void) +{ + return pin_task_to_any_cpu(pthread_self()); +} + void kvm_print_vcpu_pinning_help(void); void kvm_parse_vcpu_pinning(const char *pcpus_string, uint32_t vcpu_to_pcpu[], int nr_vcpus); |