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Defined in 1 files as a struct:

Defined in 1 files as a function:

Referenced in 9 files:

Smatch caller information:

kernel/events/core.c __perf_event_read_value() -> perf_event_read()

Type Parameter Key Value
PARAM_VALUE 0 event 4096-ptr_max
PARAM_VALUE 0 event->child_mutex.dep_map->name 0-255
PARAM_VALUE 0 event->child_mutex.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 event->child_mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 event->child_mutex.osq.tail.counter 0-s32max
PARAM_VALUE 0 event->child_mutex.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 event->child_mutex.wait_lock.owner (-1)
PARAM_VALUE 0 event->child_mutex.wait_lock.owner_cpu u32max
PARAM_VALUE 0 event->ctx 4096-ptr_max
PARAM_VALUE 0 event->ctx->callback_head.func 1-u64max
PARAM_VALUE 0 event->ctx->callback_head.next 0
PARAM_VALUE 0 event->ctx->refcount.refs.counter (-1073741824),0-s32max
PARAM_VALUE 0 event->ctx->task->rcu.func 1-u64max
PARAM_VALUE 1 group 0
BUF_SIZE 0 event s32min-(-1),1-s32max
BUF_SIZE 0 event s32min-(-1),1-s32max
CAPPED_DATA 0 event->ctx 1
CAPPED_DATA 0 &event->child_mutex 1
DATA_SOURCE 0 event $0
RX_PATH
TASK_NOT_RUNNING
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
HOST_DATA 0 event->hw.aux_paused 0-u32max
HOST_DATA 0 event->hw.branch_reg.config 0-u64max
HOST_DATA 0 event->hw.branch_reg.idx s32min-s32max
HOST_DATA 0 event->hw.branch_reg.reg 0-u32max
HOST_DATA 0 event->hw.conf 0-u64max
HOST_DATA 0 event->hw.conf1 0-u64max
HOST_DATA 0 event->hw.config 0-u64max
HOST_DATA 0 event->hw.config1 0-u64max
HOST_DATA 0 event->hw.config_base 0-u64max
HOST_DATA 0 event->hw.dyn_constraint 0-u64max
HOST_DATA 0 event->hw.event_base 0-u64max
HOST_DATA 0 event->hw.event_base_rdpmc s32min-s32max
HOST_DATA 0 event->hw.extra_reg.config 0-u64max
HOST_DATA 0 event->hw.extra_reg.idx s32min-s32max
HOST_DATA 0 event->hw.extra_reg.reg 0-u32max
HOST_DATA 0 event->hw.flags s32min-s32max
HOST_DATA 0 event->hw.hrtimer._softexpires s64min-s64max
HOST_DATA 0 event->hw.hrtimer.is_hard 0-1
HOST_DATA 0 event->hw.hrtimer.is_lazy 0-1
HOST_DATA 0 event->hw.hrtimer.is_queued 0
HOST_DATA 0 event->hw.hrtimer.is_rel 0-1
HOST_DATA 0 event->hw.hrtimer.is_soft 0-1
HOST_DATA 0 event->hw.hrtimer.node.expires s64min-s64max
HOST_DATA 0 event->hw.info.address 0-u64max
HOST_DATA 0 event->hw.info.len 0-255
HOST_DATA 0 event->hw.info.mask 0-u64max
HOST_DATA 0 event->hw.info.type 0-255
HOST_DATA 0 event->hw.iommu_bank 0-255
HOST_DATA 0 event->hw.iommu_cntr 0-255
HOST_DATA 0 event->hw.last_cpu s32min-s32max
HOST_DATA 0 event->hw.last_period 0-u64max
HOST_DATA 0 event->hw.padding 0-u16max
HOST_DATA 0 event->hw.period_left.a.a.counter s64min-s64max
HOST_DATA 0 event->hw.prev_count.a.a.counter s64min-s64max
HOST_DATA 0 event->hw.ptsc 0-u64max
HOST_DATA 0 event->hw.pwr_acc 0-u64max
HOST_DATA 0 event->hw.saved_metric 0-u64max
HOST_DATA 0 event->hw.saved_slots 0-u64max
LOCK2 0 &event->child_mutex
TYPE_LOCK (struct perf_event)->child_mutex

kernel/events/core.c __perf_event_read_value() -> perf_event_read()

Type Parameter Key Value
PARAM_VALUE 0 event 4096-ptr_max
PARAM_VALUE 1 group 0
CAPPED_DATA 0 &event->child_list 1
RX_PATH
TASK_NOT_RUNNING
LOCK2 &event->child_mutex
TYPE_LOCK (struct perf_event)->child_mutex

kernel/events/core.c __perf_read_group_add() -> perf_event_read()

Type Parameter Key Value
PARAM_VALUE 0 event 4096-ptr_max
PARAM_VALUE 1 group 1
DATA_SOURCE 0 event $0
UNITS 0 event unit_byte
HALF_LOCKED2 &leader->child_mutex
HALF_LOCKED2 0 &event->child_mutex
TYPE_LOCK (struct perf_event)->child_mutex

kernel/events/core.c _perf_event_reset() -> perf_event_read()

Type Parameter Key Value
PARAM_VALUE 0 event 4096-ptr_max
PARAM_VALUE 1 group 0
BUF_SIZE 0 event s32min-(-1),1-s32max
BUF_SIZE 0 event s32min-(-1),1-s32max
DATA_SOURCE 0 event $0
UNITS 0 event unit_byte
HALF_LOCKED2 &event->child_mutex
HALF_LOCKED2 0 &event->child_mutex
TYPE_LOCK (struct perf_event)->child_mutex