Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

kernel/events/core.c task_clock_event_add() -> task_clock_event_start()

Type Parameter Key Value
PARAM_VALUE 0 event 4096-ptr_max
PARAM_VALUE 0 event->pmu 4096-ptr_max
PARAM_VALUE 0 event->pmu_ctx->pmu 4096-ptr_max
PARAM_VALUE 1 flags 1
CAPPED_DATA 0 event 1
DATA_SOURCE 0 event $0
DATA_SOURCE 1 flags $1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &cpuctx->ctx.lock

arch/x86/events/amd/uncore.c amd_uncore_add() -> (struct pmu)->start()

Type Parameter Key Value
PARAM_VALUE 0 event 4096-ptr_max
PARAM_VALUE 0 event->hw.config_base 0-u32max
PARAM_VALUE 0 event->hw.event_base 0-u32max
PARAM_VALUE 0 event->hw.idx s32min-(-2),0-s32max
PARAM_VALUE 0 event->hw.state 3
PARAM_VALUE 0 event->pmu 4096-ptr_max
PARAM_VALUE 1 flags 2
CAPPED_DATA 0 event 1
DATA_SOURCE 0 event $0
CONTAINER 0 -248-152+0 $(-1)
NOCHECK_CALL

kernel/events/core.c __perf_event_aux_pause() -> (struct pmu)->start()

Type Parameter Key Value
PARAM_VALUE 0 event 4096-ptr_max
PARAM_VALUE 0 event->hw.aux_paused 0
PARAM_VALUE 0 event->pmu 4096-ptr_max
PARAM_VALUE 0 event->rb->refcount.refs.counter (-1073741824),0-s32max
PARAM_VALUE 1 flags 16
DATA_SOURCE 0 event $0
CONTAINER 0 -248-152+0 $(-1)
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
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
LOCK2 _T->flags
HALF_LOCKED2 rcu_read

kernel/events/core.c __perf_event_period() -> (struct pmu)->start()

Type Parameter Key Value
PARAM_VALUE 0 event 4096-ptr_max
PARAM_VALUE 0 event->ctx 4096-ptr_max
PARAM_VALUE 0 event->pmu 4096-ptr_max
PARAM_VALUE 0 event->state 1
PARAM_VALUE 1 flags 2
BUF_SIZE 0 event s32min-(-1),1-s32max
BUF_SIZE 0 event s32min-(-1),1-s32max
CAPPED_DATA 0 event->ctx 1
DATA_SOURCE 0 event $0
CONTAINER 0 -248-152+0 $(-1)
NOSPEC 0 event->attr.bp_type
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
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
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]
HALF_LOCKED2 &cpuctx->ctx.lock
HALF_LOCKED2 &cpuctx->ctx.lock
HALF_LOCKED2 &ctx->lock
HALF_LOCKED2 irq
HALF_LOCKED2 0 &event->child_mutex
TYPE_LOCK (struct perf_event_context)->lock

kernel/events/core.c __perf_event_stop() -> (struct pmu)->start()

Type Parameter Key Value
PARAM_VALUE 0 event 4096-ptr_max
PARAM_VALUE 0 event->pmu 4096-ptr_max
PARAM_VALUE 0 event->state 1
PARAM_VALUE 1 flags 0
CONTAINER 0 -248-152+0 $(-1)
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 rcu_read

kernel/events/core.c perf_adjust_freq_unthr_events() -> (struct pmu)->start()

Type Parameter Key Value
PARAM_VALUE 0 event 4096-ptr_max
PARAM_VALUE 0 event->attr.freq 1
PARAM_VALUE 0 event->attr.sample_freq 1-u64max
PARAM_VALUE 0 event->cgrp 0,4096-ptr_max
PARAM_VALUE 0 event->cpu (-1)-0
PARAM_VALUE 0 event->pmu 4096-ptr_max
PARAM_VALUE 0 event->state 1
PARAM_VALUE 1 flags 0,2
CAPPED_DATA 0 &event->active_list 1
FUZZY_MAX 1 flags 2
CONTAINER 0 -248-152+0 $(-1)
BIT_INFO 1 flags 0x0,0x2
HARD_MAX 1 flags 2
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &ctx->lock
HALF_LOCKED2 rcu_read
TYPE_LOCK (struct perf_event_context)->lock

kernel/events/core.c perf_adjust_period() -> (struct pmu)->start()

Type Parameter Key Value
PARAM_VALUE 0 event 4096-ptr_max
PARAM_VALUE 0 event->attr.freq 1
PARAM_VALUE 0 event->hw.sample_period 1-u64max
PARAM_VALUE 0 event->pmu 4096-ptr_max
PARAM_VALUE 1 flags 2
DATA_SOURCE 0 event $0
CONTAINER 0 -248-152+0 $(-1)
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->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 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
HALF_LOCKED2 rcu_read

kernel/events/core.c perf_event_unthrottle() -> (struct pmu)->start()

Type Parameter Key Value
PARAM_VALUE 0 event 4096-ptr_max
PARAM_VALUE 0 event->hw.interrupts 0
PARAM_VALUE 0 event->pmu 4096-ptr_max
PARAM_VALUE 0 event->state 1
PARAM_VALUE 1 flags 0
DATA_SOURCE 0 event $0
CONTAINER 0 -248-152+0 $(-1)
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &ctx->lock