Open Menu /

Defined in 1 files as a function:

Referenced in 2 files:

Smatch caller information:

kernel/events/core.c perf_event_set_output() -> is_write_backward()

Type Parameter Key Value
PARAM_VALUE 0 event 4096-ptr_max
BUF_SIZE 0 event s32min-(-2),0-s32max
BUF_SIZE 0 event s32min-(-2),0-s32max
CAPPED_DATA 0 event->clock 1
CAPPED_DATA 0 event->cpu 1
DATA_SOURCE 0 event $1

kernel/events/core.c perf_event_set_output() -> is_write_backward()

Type Parameter Key Value
PARAM_VALUE 0 event 4096-ptr_max
BUF_SIZE 0 event s32min-(-2),1-s32max
BUF_SIZE 0 event s32min-(-2),1-s32max
CAPPED_DATA 0 event->clock 1
CAPPED_DATA 0 event->cpu 1
CAPPED_DATA 0 event->ctx 1
DATA_SOURCE 0 event $0

kernel/events/ring_buffer.c perf_output_begin() -> is_write_backward()

Type Parameter Key Value
PARAM_VALUE 0 event 4096-ptr_max
CAPPED_DATA 0 event 1
DATA_SOURCE 0 event $2
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 event->aux_event->hw->addr_filters_gen 0-u64max
HOST_DATA 0 event->aux_event->hw->freq_count_stamp 0-u64max
HOST_DATA 0 event->aux_event->hw->freq_time_stamp 0-u64max
HOST_DATA 0 event->aux_event->hw->interrupts 0-u64max
HOST_DATA 0 event->aux_event->hw->interrupts_seq 0-u64max
HOST_DATA 0 event->aux_event->hw->sample_period 0-u64max
HOST_DATA 0 event->aux_event->hw->state s32min-s32max
HOST_DATA 0 event->aux_event->hw.aux_config 0-u64max
HOST_DATA 0 event->aux_event->hw.aux_paused 0
HOST_DATA 0 event->aux_event->hw.branch_reg.alloc s32min-s32max
HOST_DATA 0 event->aux_event->hw.branch_reg.config 0-u64max
HOST_DATA 0 event->aux_event->hw.branch_reg.idx s32min-s32max
HOST_DATA 0 event->aux_event->hw.branch_reg.reg 0-u32max
HOST_DATA 0 event->aux_event->hw.conf 0-u64max
HOST_DATA 0 event->aux_event->hw.conf1 0-u64max
HOST_DATA 0 event->aux_event->hw.config 0-u64max
HOST_DATA 0 event->aux_event->hw.config1 0-u64max
HOST_DATA 0 event->aux_event->hw.config_base 0-u64max
HOST_DATA 0 event->aux_event->hw.dyn_constraint 0-u64max
HOST_DATA 0 event->aux_event->hw.event_base 0-u64max
HOST_DATA 0 event->aux_event->hw.event_base_rdpmc s32min-s32max
HOST_DATA 0 event->aux_event->hw.extra_reg.alloc s32min-s32max
HOST_DATA 0 event->aux_event->hw.extra_reg.config 0-u64max
HOST_DATA 0 event->aux_event->hw.extra_reg.idx s32min-s32max
HOST_DATA 0 event->aux_event->hw.extra_reg.reg 0-u32max
HOST_DATA 0 event->aux_event->hw.flags s32min-s32max
HOST_DATA 0 event->aux_event->hw.hrtimer._softexpires s64min-s64max
HOST_DATA 0 event->aux_event->hw.hrtimer.is_hard 0-1
HOST_DATA 0 event->aux_event->hw.hrtimer.is_lazy 0-1
HOST_DATA 0 event->aux_event->hw.hrtimer.is_queued 0-1
HOST_DATA 0 event->aux_event->hw.hrtimer.is_rel 0-1
HOST_DATA 0 event->aux_event->hw.hrtimer.is_soft 0-1
HOST_DATA 0 event->aux_event->hw.hrtimer.node.expires s64min-s64max
HOST_DATA 0 event->aux_event->hw.hrtimer.node.node.node.__rb_parent_color 1
HOST_DATA 0 event->aux_event->hw.idx s32min-s32max
HOST_DATA 0 event->aux_event->hw.info.address 0-u64max
HOST_DATA 0 event->aux_event->hw.info.len 0-255
HOST_DATA 0 event->aux_event->hw.info.mask 0-u64max
HOST_DATA 0 event->aux_event->hw.info.type 0-255
HOST_DATA 0 event->aux_event->hw.iommu_bank 0-255
HOST_DATA 0 event->aux_event->hw.iommu_cntr 0-255
HOST_DATA 0 event->aux_event->hw.last_cpu s32min-s32max
HOST_DATA 0 event->aux_event->hw.last_period 0-u64max
HOST_DATA 0 event->aux_event->hw.last_tag 0-u64max
HOST_DATA 0 event->aux_event->hw.padding 0-u16max
HOST_DATA 0 event->aux_event->hw.period_left.a.a.counter s64min-s64max
HOST_DATA 0 event->aux_event->hw.prev_count.a.a.counter s64min-s64max
HOST_DATA 0 event->aux_event->hw.ptsc 0-u64max
HOST_DATA 0 event->aux_event->hw.pwr_acc 0-u64max
HOST_DATA 0 event->aux_event->hw.saved_metric 0-u64max
HOST_DATA 0 event->aux_event->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
HOST_DATA 0 event->hw.aux_config 0-u64max
HOST_DATA 0 event->hw.aux_paused 0-u32max
HOST_DATA 0 event->hw.branch_reg.alloc s32min-s32max
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.alloc 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.hrtimer.node.node.node.__rb_parent_color 1
HOST_DATA 0 event->hw.idx s32min-s32max
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.last_tag 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
UNITS 0 event unit_byte
HALF_LOCKED2 &parent_event->child_mutex
HALF_LOCKED2 rcu_read