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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

kernel/events/core.c perf_event_read_local() -> calc_timer_values()

Type Parameter Key Value
PARAM_VALUE 0 event 4096-ptr_max
PARAM_VALUE 0 event->attach_state 4-u32max
PARAM_VALUE 0 event->attr.inherit 0
PARAM_VALUE 1 now 3656194488549179392
PARAM_VALUE 2 enabled 3463667598472486912
PARAM_VALUE 3 running 7697150319146311680
DATA_SOURCE 0 event $0
NOCHECK_CALL
UNITS 0 event unit_byte
LOCK2 flags

kernel/events/core.c perf_event_update_userpage() -> calc_timer_values()

Type Parameter Key Value
PARAM_VALUE 0 event 4096-ptr_max
PARAM_VALUE 0 event->rb 1-u64max
PARAM_VALUE 1 now 4198345890293960704
PARAM_VALUE 2 enabled 6862622568717713408
PARAM_VALUE 3 running 5934164569317998592
BUF_SIZE 0 event s32min-(-1),1-s32max
BUF_SIZE 0 event s32min-(-1),1-s32max
DATA_SOURCE 0 event $0
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
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->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
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 0-1
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 0-u64max
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
USER_DATA 0 event->attr.bp_addr 0-u64max[c]
USER_DATA 0 event->attr.bp_len 0-u64max
USER_DATA 0 event->attr.bp_type 2-4[c]
USER_DATA 0 event->attr.disabled 0[c]
USER_DATA 0 event->attr.sig_data 0-u64max
USER_DATA 0 event->hw.info.address 0-s32max[c]
USER_DATA 0 event->hw.info.mask 2,4-6,u64max[u]
USER_DATA 0 event->pending_addr 1-u64max[c]
UNITS 0 event unit_byte
LOCK2 rcu_read
HALF_LOCKED2 &ctx->lock
HALF_LOCKED2 &next_ctx->lock
HALF_LOCKED2 _T->lock
HALF_LOCKED2 irq
HALF_LOCKED2 0 &event->child_mutex

kernel/events/core.c perf_output_read() -> calc_timer_values()

Type Parameter Key Value
PARAM_VALUE 0 event 4096-ptr_max
PARAM_VALUE 0 event->attr.read_format 1-u64max
PARAM_VALUE 1 now 9023772752599244800
PARAM_VALUE 2 enabled 5721069206368841728
PARAM_VALUE 2 *enabled 0
PARAM_VALUE 3 running 6736686526637928448
PARAM_VALUE 3 *running 0
CAPPED_DATA 0 event 1
DATA_SOURCE 0 event $1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 rcu_read
HALF_LOCKED2 &parent_event->child_mutex