perf_cgroup_event_enable identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 2 files as a function:

Referenced in 1 files:

kernel/events/core.c
- line 2006
- line 3254

Smatch caller information:

kernel/events/core.c __perf_event_enable() -> perf_cgroup_event_enable()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->ctx	4096-ptr_max
PARAM_VALUE	0	event->state	0
PARAM_VALUE	1	ctx	4096-ptr_max
BUF_SIZE	0	event	s32min-(-1),1-s32max
BUF_SIZE	0	event	s32min-(-1),1-s32max
CAPPED_DATA	0	event	1
CAPPED_DATA	0	event->ctx	1
CAPPED_DATA	0	event->group_leader	1
CAPPED_DATA	1	ctx	1
CAPPED_DATA	1	ctx->task	1
DATA_SOURCE	0	event	$0
DATA_SOURCE	1	ctx	$2
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	1
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]
UNITS	0	event	unit_byte
UNITS	1	ctx	unit_byte
HALF_LOCKED2		&cpuctx->ctx.lock
HALF_LOCKED2		&cpuctx->ctx.lock
HALF_LOCKED2		irq
HALF_LOCKED2	0	&event->child_mutex
HALF_LOCKED2	1	&ctx->lock
TYPE_LOCK		(struct perf_event_context)->lock

kernel/events/core.c list_add_event() -> perf_cgroup_event_enable()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->cgrp	0,4096-ptr_max
PARAM_VALUE	0	event->ctx	4096-ptr_max
PARAM_VALUE	0	event->ctx->task	0-18446744073709551614
PARAM_VALUE	0	event->event_entry.next	4096-ptr_max
PARAM_VALUE	0	event->event_entry.prev	4096-ptr_max
PARAM_VALUE	0	event->hw.flags	s32min-(-1)
PARAM_VALUE	0	event->state	0-s32max
PARAM_VALUE	1	ctx	4096-ptr_max
PARAM_VALUE	1	ctx->event_list.next	4096-ptr_max
PARAM_VALUE	1	ctx->event_list.next->prev	4096-ptr_max
PARAM_VALUE	1	ctx->task	0-18446744073709551614
PARAM_VALUE	1	ctx->task->sched_class->balance	0,4895810773273071616,6490409225490120704,7260575883162300416,8638459336928428032
PARAM_VALUE	1	ctx->task->sched_class->dequeue_task	0,144070366336110592,1947835499009560576,6189267449403002880,6455432424639717376,6899636822736904192
PARAM_VALUE	1	ctx->task->sched_class->enqueue_task	0,126196709549080576,1834828045319467008,6555940243012698112,7779016139136778240
PARAM_VALUE	1	ctx->task->sched_class->find_lock_rq	0,1273389266380275712,1330506845949976576,2186316422496772096,3746302679399247872,7992910395761221632
PARAM_VALUE	1	ctx->task->sched_class->get_prio	0,5165838827171962880,5589494719909007360,5857971317054578688,7142770315824652288
PARAM_VALUE	1	ctx->task->sched_class->get_rr_interval	0,160577115725877248,5264859755264851968,8566262156424376320
PARAM_VALUE	1	ctx->task->sched_class->migrate_task_rq	0,819017430815793152,1111187247153754112,1774144038744014848,2097362150474280960,4715741308934107136,8429637501012336640,8680431057181843456
PARAM_VALUE	1	ctx->task->sched_class->pick_task	0,431140902756892672,1158575681758597120,5720692379550740480,7102393387566546944,7546922302727954432,7601726578106748928
PARAM_VALUE	1	ctx->task->sched_class->prio_changed	0,1146300274019463168,2737281516638617600,4228469244769832960,5589494719909007360,6494577740674654208,7383617159121645568
PARAM_VALUE	1	ctx->task->sched_class->put_prev_task	0,879997059321819136,2104802920512651264,2702168970777976832,3309484659987406848,4521943768044347392,6061791611826737152
PARAM_VALUE	1	ctx->task->sched_class->reweight_task	0,1146300274019463168,2737281516638617600,4228469244769832960,5264859755264851968,6494577740674654208,7383617159121645568
PARAM_VALUE	1	ctx->task->sched_class->rq_offline	0,1273389266380275712,1603218695044562944,3746302679399247872,3838970304731508736,6105480162315575296,7992910395761221632
PARAM_VALUE	1	ctx->task->sched_class->rq_online	0,1603218695044562944,1927640468783054848,3838970304731508736,5094656021401329664,6105480162315575296,7127180339355369472
PARAM_VALUE	1	ctx->task->sched_class->select_task_rq	0,819017430815793152,1774144038744014848,2097362150474280960,2315212163512696832,4028699749262393344,4361835877848195072,6461874264613330944,8232387521787854848,8429637501012336640,8680431057181843456
PARAM_VALUE	1	ctx->task->sched_class->set_cpus_allowed	0,1927640468783054848,4090974917235912704,4284209241675612160,5094656021401329664,7127180339355369472
PARAM_VALUE	1	ctx->task->sched_class->set_next_task	0,879997059321819136,2104802920512651264,2315212163512696832,3309484659987406848,4028699749262393344,4361835877848195072,4521943768044347392,6061791611826737152,6461874264613330944,8232387521787854848
PARAM_VALUE	1	ctx->task->sched_class->switched_from	0,2762873923526262784,6932178706407411712,8530452231382753280,8897597262779232256
PARAM_VALUE	1	ctx->task->sched_class->switched_to	0,1207858565835722752,5165838827171962880,5857971317054578688,6355784522873475072,7142770315824652288
PARAM_VALUE	1	ctx->task->sched_class->switching_from	0,2762873923526262784,6742757381008068608
PARAM_VALUE	1	ctx->task->sched_class->switching_to	0,1207858565835722752,6355784522873475072,6932178706407411712,8530452231382753280,8897597262779232256
PARAM_VALUE	1	ctx->task->sched_class->task_change_group	0,2420086066110373888,2446272091500916736,2561397482238263296,2943871782664327168,7251702690162270208,8139140255186919424
PARAM_VALUE	1	ctx->task->sched_class->task_dead	0,1181151505743122432,6092562452304658432,6742757381008068608
PARAM_VALUE	1	ctx->task->sched_class->task_fork	0,1093040616512942080,1181151505743122432,4602209053340655616,5021036204559331328,6092562452304658432,6268546278195412992,7031988722367209472
PARAM_VALUE	1	ctx->task->sched_class->task_is_throttled	0,626302238049026048,4879098428662644736,6508522699847725056,7251702690162270208
PARAM_VALUE	1	ctx->task->sched_class->task_tick	0,1093040616512942080,1330506845949976576,2186316422496772096,4602209053340655616,5021036204559331328,6268546278195412992,7031988722367209472
PARAM_VALUE	1	ctx->task->sched_class->task_woken	0,1111187247153754112,4090974917235912704,4284209241675612160,4715741308934107136
PARAM_VALUE	1	ctx->task->sched_class->uclamp_enabled	0-1
PARAM_VALUE	1	ctx->task->sched_class->update_curr	0,160577115725877248,2420086066110373888,2446272091500916736,2561397482238263296,2943871782664327168,8139140255186919424,8566262156424376320
PARAM_VALUE	1	ctx->task->sched_class->wakeup_preempt	0,1077039320164851712,1147033115188453376,2990157993661198336,6476960569952718848,6679893776262037504
PARAM_VALUE	1	ctx->task->sched_class->yield_task	0,2190573298372911104,3192817945493614592,3256919456170586112,7456815790656131072
PARAM_VALUE	1	ctx->task->sched_class->yield_to_task	0,3940359203731251200
BUF_SIZE	0	event	s32min-(-1),1-s32max
BUF_SIZE	0	event	s32min-(-1),1-s32max
BUF_SIZE	0	event->ctx	(-1)-0,432
BUF_SIZE	0	event->pmu_ctx	(-1),112
BUF_SIZE	1	ctx	(-1)-0,432
BUF_SIZE	1	ctx	(-1)-0,432
CAPPED_DATA	0	event	1
CAPPED_DATA	1	ctx	1
CAPPED_DATA	1	ctx->task	1
DATA_SOURCE	0	event	$0
DATA_SOURCE	1	ctx	$1
FUZZY_MAX	0	event->state	0
STR_LEN	0	event->ctx	(-1)
BIT_INFO	0	event->attach_state	0x1,0xffffffffffffffff
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	0	event	unit_byte
UNITS	1	ctx	unit_byte
HALF_LOCKED2		&cpuctx->ctx.lock
HALF_LOCKED2		&parent_ctx->mutex
HALF_LOCKED2		&parent_event->child_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq
HALF_LOCKED2	1	&ctx->lock
HALF_LOCKED2	1	&ctx->mutex
TYPE_LOCK		(struct perf_event_context)->lock