# tracer: function_graph
#
# CPU  DURATION                  FUNCTION CALLS
# |     |   |                     |   |   |   |
 10)               |  ptrace_access_vm() {
 10)               |    irq_enter_rcu() {
 10)   0.410 us    |      irqtime_account_irq();
 10)   1.202 us    |    }
 10)               |    __sysvec_irq_work() {
 10)               |      __wake_up() {
 10)   0.290 us    |        _raw_spin_lock_irqsave();
 10)               |        __wake_up_common() {
 10)               |          pollwake() {
 10)               |            default_wake_function() {
 10)               |              try_to_wake_up() {
 10)   0.291 us    |                _raw_spin_lock_irqsave();
 10)               |                select_task_rq_fair() {
 10)   0.301 us    |                  __rcu_read_lock();
 10)   0.291 us    |                  available_idle_cpu();
 10)   0.301 us    |                  available_idle_cpu();
 10)   0.291 us    |                  available_idle_cpu();
 10)   0.291 us    |                  __rcu_read_unlock();
 10)   3.065 us    |                }
 10)               |                ttwu_queue_wakelist() {
 10)               |                  __smp_call_single_queue() {
 10)   0.361 us    |                    call_function_single_prep_ipi();
 10)               |                    native_send_call_func_single_ipi() {
 10)   0.300 us    |                      default_send_IPI_single_phys();
 10)   0.952 us    |                    }
 10)   2.215 us    |                  }
 10)   2.795 us    |                }
 10)   0.290 us    |                _raw_spin_unlock_irqrestore();
 10)   7.845 us    |              }
 10)   8.376 us    |            }
 10)   8.956 us    |          }
 10)   9.578 us    |        }
 10)   0.281 us    |        _raw_spin_unlock_irqrestore();
 10) + 11.211 us   |      }
 10) + 11.902 us   |    }
 10)               |    irq_exit_rcu() {
 10)   0.341 us    |      irqtime_account_irq();
 10)   0.291 us    |      sched_core_idle_cpu();
 10)   1.423 us    |    }
 10)               |    get_task_mm() {
 10)   0.310 us    |      _raw_spin_lock();
 10)   0.340 us    |      _raw_spin_unlock();
 10)   1.573 us    |    }
 10)               |    access_remote_vm() {
 10)               |      __access_remote_vm() {
 10)               |        down_read_killable() {
 10)   0.291 us    |          __cond_resched();
 10)   0.851 us    |        }
 10)   0.290 us    |        __rcu_read_lock();
 10)   0.300 us    |        __rcu_read_unlock();
 10)               |        get_user_pages_remote() {
 10)   0.330 us    |          is_valid_gup_args();
 10)               |          __get_user_pages() {
 10)               |            gup_vma_lookup() {
 10)               |              find_vma() {
 10)   0.290 us    |                __rcu_read_lock();
 10)   0.320 us    |                __rcu_read_unlock();
 10)   1.503 us    |              }
 10)   2.144 us    |            }
 10)               |            check_vma_flags() {
 10)   0.351 us    |              vma_is_secretmem();
 10)   0.921 us    |            }
 10)   0.280 us    |            __cond_resched();
 10)   0.300 us    |            vma_pgtable_walk_begin();
 10)               |            follow_page_pte() {
 10)               |              __pte_offset_map_lock() {
 10)               |                __pte_offset_map() {
 10)   0.291 us    |                  __rcu_read_lock();
 10)   1.212 us    |                }
 10)   0.300 us    |                _raw_spin_lock();
 10)   2.395 us    |              }
 10)   0.301 us    |              vm_normal_page();
 10)   0.320 us    |              try_grab_folio();
 10)               |              mark_page_accessed() {
 10)   0.301 us    |                folio_mark_accessed();
 10)   1.132 us    |              }
 10)   0.290 us    |              _raw_spin_unlock();
 10)   0.290 us    |              __rcu_read_unlock();
 10)   7.454 us    |            }
 10)   0.291 us    |            vma_pgtable_walk_end();
 10) + 14.457 us   |          }
 10) + 15.739 us   |        }
 10)   0.291 us    |        __rcu_read_lock();
 10)   0.291 us    |        __rcu_read_unlock();
 10)   1.162 us    |        up_read();
 10) + 22.202 us   |      }
 10) + 22.743 us   |    }
 10)               |    mmput() {
 10)   0.281 us    |      __cond_resched();
 10)   0.821 us    |    }
 10) + 43.753 us   |  }