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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

kernel/events/core.c sync_child_event() -> perf_event_read_event()

Type Parameter Key Value
PARAM_VALUE 0 event 4096-ptr_max
PARAM_VALUE 0 event->attach_state 64-u32max
PARAM_VALUE 0 event->attr.inherit_stat 1
PARAM_VALUE 0 event->parent 1-u64max
PARAM_VALUE 0 event->parent->child_mutex.dep_map->name 0-255
PARAM_VALUE 0 event->parent->child_mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 event->parent->child_mutex.osq.tail.counter 0-s32max
PARAM_VALUE 0 event->parent->child_mutex.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 event->parent->child_mutex.wait_lock.owner (-1)
PARAM_VALUE 0 event->parent->child_mutex.wait_lock.owner_cpu u32max
PARAM_VALUE 1 task 1-18446744073709551614
DATA_SOURCE 0 event $0
DATA_SOURCE 1 task $1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 0 event->group_leader->hw->addr_filters_gen 0-u64max
HOST_DATA 0 event->group_leader->hw->freq_count_stamp 0-u64max
HOST_DATA 0 event->group_leader->hw->freq_time_stamp 0-u64max
HOST_DATA 0 event->group_leader->hw->interrupts 0-u64max
HOST_DATA 0 event->group_leader->hw->interrupts_seq 0-u64max
HOST_DATA 0 event->group_leader->hw->sample_period 0-u64max
HOST_DATA 0 event->group_leader->hw->state s32min-s32max
HOST_DATA 0 event->group_leader->hw.aux_config 0-u64max
HOST_DATA 0 event->group_leader->hw.aux_paused 0-u32max
HOST_DATA 0 event->group_leader->hw.branch_reg.alloc s32min-s32max
HOST_DATA 0 event->group_leader->hw.branch_reg.config 0-u64max
HOST_DATA 0 event->group_leader->hw.branch_reg.idx s32min-s32max
HOST_DATA 0 event->group_leader->hw.branch_reg.reg 0-u32max
HOST_DATA 0 event->group_leader->hw.conf 0-u64max
HOST_DATA 0 event->group_leader->hw.conf1 0-u64max
HOST_DATA 0 event->group_leader->hw.config 0-u64max
HOST_DATA 0 event->group_leader->hw.config1 0-u64max
HOST_DATA 0 event->group_leader->hw.config_base 0-u64max
HOST_DATA 0 event->group_leader->hw.dyn_constraint 0-u64max
HOST_DATA 0 event->group_leader->hw.event_base 0-u64max
HOST_DATA 0 event->group_leader->hw.event_base_rdpmc s32min-s32max
HOST_DATA 0 event->group_leader->hw.extra_reg.alloc s32min-s32max
HOST_DATA 0 event->group_leader->hw.extra_reg.config 0-u64max
HOST_DATA 0 event->group_leader->hw.extra_reg.idx s32min-s32max
HOST_DATA 0 event->group_leader->hw.extra_reg.reg 0-u32max
HOST_DATA 0 event->group_leader->hw.flags s32min-s32max
HOST_DATA 0 event->group_leader->hw.hrtimer._softexpires s64min-s64max
HOST_DATA 0 event->group_leader->hw.hrtimer.is_hard 0-1
HOST_DATA 0 event->group_leader->hw.hrtimer.is_lazy 0-1
HOST_DATA 0 event->group_leader->hw.hrtimer.is_queued 0-1
HOST_DATA 0 event->group_leader->hw.hrtimer.is_rel 0-1
HOST_DATA 0 event->group_leader->hw.hrtimer.is_soft 0-1
HOST_DATA 0 event->group_leader->hw.hrtimer.node.expires s64min-s64max
HOST_DATA 0 event->group_leader->hw.hrtimer.node.node.node.__rb_parent_color 0-u64max
HOST_DATA 0 event->group_leader->hw.idx s32min-s32max
HOST_DATA 0 event->group_leader->hw.info.address 0-u64max
HOST_DATA 0 event->group_leader->hw.info.len 0-255
HOST_DATA 0 event->group_leader->hw.info.mask 0-u64max
HOST_DATA 0 event->group_leader->hw.info.type 0-255
HOST_DATA 0 event->group_leader->hw.iommu_bank 0-255
HOST_DATA 0 event->group_leader->hw.iommu_cntr 0-255
HOST_DATA 0 event->group_leader->hw.last_cpu s32min-s32max
HOST_DATA 0 event->group_leader->hw.last_period 0-u64max
HOST_DATA 0 event->group_leader->hw.last_tag 0-u64max
HOST_DATA 0 event->group_leader->hw.padding 0-u16max
HOST_DATA 0 event->group_leader->hw.period_left.a.a.counter s64min-s64max
HOST_DATA 0 event->group_leader->hw.prev_count.a.a.counter s64min-s64max
HOST_DATA 0 event->group_leader->hw.ptsc 0-u64max
HOST_DATA 0 event->group_leader->hw.pwr_acc 0-u64max
HOST_DATA 0 event->group_leader->hw.saved_metric 0-u64max
HOST_DATA 0 event->group_leader->hw.saved_slots 0-u64max
HOST_DATA 0 event->hw->addr_filters_gen 0-u64max
HOST_DATA 0 event->hw->freq_count_stamp 0-u64max
HOST_DATA 0 event->hw->freq_time_stamp 0-u64max
HOST_DATA 0 event->hw->interrupts 0-u64max
HOST_DATA 0 event->hw->interrupts_seq 0-u64max
HOST_DATA 0 event->hw->sample_period 0-u64max
HOST_DATA 0 event->hw->state s32min-s32max
USER_DATA 1 task->exit_code 0,256-65280[c]
UNITS 1 task unit_byte
LOCK2 &parent_event->child_mutex
HALF_LOCKED2 &ctx->mutex
HALF_LOCKED2 &tsk->signal->exec_update_lock
HALF_LOCKED2 _T->lock
TYPE_LOCK (struct perf_event)->child_mutex