i915_gem_userptr_ioctl.trace

CPU FUNCTION
  1  -> i915_gem_userptr_ioctl                arg: fffffe00cd374000
  1   | i915_gem_userptr_ioctl:entry
  1    -> linux_access_ok
  1    <- linux_access_ok
  1    -> i915_gem_object_alloc
  1      -> uma_zalloc_arg
  1        -> memset
  1          -> memset_erms
  1          <- memset_erms
  1        <- uma_zalloc_arg
  1        -> drm_gem_private_object_init
  1          -> memset
  1            -> memset_erms
  1            <- memset_erms
  1            -> _rw_init_flags
  1              -> lock_init
  1              <- lock_init
  1            <- _rw_init_flags
  1            -> i915_gem_object_init
  1              -> sx_init_flags
  1                -> lock_init
  1                <- lock_init
  1              <- sx_init_flags
  1              -> sx_init_flags
  1                -> lock_init
  1                <- lock_init
  1              <- sx_init_flags
  1              -> cv_init
  1              <- cv_init
  1              -> sx_init_flags
  1                -> lock_init
  1                <- lock_init
  1              <- sx_init_flags
  1              -> __mtx_lock_flags
  1              <- __mtx_lock_flags
  1              -> local_bh_disable
  1              <- local_bh_disable
  1              -> local_bh_enable
  1              <- local_bh_enable
  1              -> __mtx_unlock_flags
  1              <- __mtx_unlock_flags
  1              -> i915_gem_object_set_cache_coherency
  1              <- i915_gem_object_set_cache_coherency
  1              -> malloc
  1                -> uma_zalloc_arg
  1                <- uma_zalloc_arg
  1              <- malloc
  1              -> _sx_xunlock
  1              <- _sx_xunlock
  1              -> refcount_release_last
  1              <- refcount_release_last
  1              -> drm_gem_object_free
  1                -> i915_gem_free_object
  1                  -> linux_call_rcu
  1                    -> taskqueue_enqueue
  1                      -> spinlock_enter
  1                      <- spinlock_enter
  1                      -> taskqueue_enqueue_locked
  1                        -> spinlock_exit
  1                        <- spinlock_exit
  1                        -> taskqueue_fast_enqueue
  1                          -> swi_sched
  1                            -> random_harvest_queue_
  1                              -> spinlock_enter
  1                              <- spinlock_enter
  1                              -> jenkins_hash
  1                              <- jenkins_hash
  1                              -> spinlock_exit
  1                              <- spinlock_exit
  1                              -> intr_event_schedule_thread
  1                                -> _thread_lock
  1                                  -> spinlock_enter
  1                                  <- spinlock_enter
  1                                <- _thread_lock
  1                                -> sched_add
  1                                  -> sched_pickcpu
  1                                    -> cpu_search_lowest
  1                                      -> cpu_search_lowest
  1                                      <- cpu_search_lowest
  1                                      -> cpu_search_lowest
  1                                      <- cpu_search_lowest
  1                                    <- cpu_search_lowest
  1                                  <- sched_pickcpu
  1                                  -> runq_add
  1                                  <- runq_add
  1                                  -> tdq_notify
  1                                    -> pcpu_find
  1                                    <- pcpu_find
  1                                    -> cpu_idle_wakeup
  1                                      -> pcpu_find
  1                                      <- pcpu_find
  1                                    <- cpu_idle_wakeup
  1                                  <- tdq_notify
  1                                  -> spinlock_exit
  1                                  <- spinlock_exit
  1                                <- sched_add
  1                              <- intr_event_schedule_thread
  1                            <- swi_sched
  1                          <- taskqueue_enqueue_locked
  1                        <- taskqueue_enqueue
  1                      <- linux_call_rcu
  1                     | i915_gem_userptr_ioctl:return
  1                    <- i915_gem_userptr_ioctl