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Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

kernel/events/core.c perf_event_create_kernel_counter() -> exclusive_event_installable()

Type Parameter Key Value
PARAM_VALUE 0 event 4096-ptr_max
PARAM_VALUE 0 event->owner (-1)
PARAM_VALUE 0 event->pmu 4096-ptr_max
PARAM_VALUE 0 event->pmu_ctx 4096-ptr_max
PARAM_VALUE 0 event->pmu_ctx->ctx 1-u64max
PARAM_VALUE 1 ctx 4096-ptr_max
PARAM_VALUE 1 ctx->lock.dep_map->name 0-255
PARAM_VALUE 1 ctx->lock.owner (-1)
PARAM_VALUE 1 ctx->lock.owner_cpu u32max
PARAM_VALUE 1 ctx->mutex.dep_map->name 0-255
PARAM_VALUE 1 ctx->mutex.first_waiter 0,4096-ptr_max
PARAM_VALUE 1 ctx->mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 1 ctx->mutex.osq.tail.counter 0-s32max
PARAM_VALUE 1 ctx->mutex.wait_lock.dep_map->name 0-255
PARAM_VALUE 1 ctx->mutex.wait_lock.owner (-1)
PARAM_VALUE 1 ctx->mutex.wait_lock.owner_cpu u32max
PARAM_VALUE 1 ctx->task 0-18446744073709551614
PARAM_VALUE 1 ctx->task->sched_class->find_lock_rq 0,1330506845949976576,2186316422496772096
PARAM_VALUE 1 ctx->task->sched_class->get_prio 0,5589494719909007360
PARAM_VALUE 1 ctx->task->sched_class->get_rr_interval 0,160577115725877248,8566262156424376320
PARAM_VALUE 1 ctx->task->sched_class->migrate_task_rq 0,1111187247153754112,4715741308934107136
PARAM_VALUE 1 ctx->task->sched_class->pick_task 0,71,431140902756892672,1158575681758597120,5720692379550740480,7102393387566546944,7601726578106748928
PARAM_VALUE 1 ctx->task->sched_class->prio_changed 0,6,1146300274019463168,2737281516638617600,4228469244769832960,6494577740674654208,7383617159121645568
PARAM_VALUE 1 ctx->task->sched_class->put_prev_task 0,45,879997059321819136,2104802920512651264,3309484659987406848,4521943768044347392,6061791611826737152
PARAM_VALUE 1 ctx->task->sched_class->reweight_task 0,5264859755264851968
PARAM_VALUE 1 ctx->task->sched_class->rq_offline 0,1273389266380275712,3746302679399247872,7992910395761221632
PARAM_VALUE 1 ctx->task->sched_class->rq_online 0,1603218695044562944,3838970304731508736,6105480162315575296
PARAM_VALUE 1 ctx->task->sched_class->select_task_rq 0,84,819017430815793152,1774144038744014848,2097362150474280960,8429637501012336640,8680431057181843456
PARAM_VALUE 1 ctx->task->sched_class->set_cpus_allowed 0,1927640468783054848,5094656021401329664,7127180339355369472
PARAM_VALUE 1 ctx->task->sched_class->set_next_task 0,6,2315212163512696832,4028699749262393344,4361835877848195072,6461874264613330944,8232387521787854848
PARAM_VALUE 1 ctx->task->sched_class->switched_from 0,6932178706407411712,8530452231382753280,8897597262779232256
PARAM_VALUE 1 ctx->task->sched_class->switched_to 0,5165838827171962880,5857971317054578688,7142770315824652288
PARAM_VALUE 1 ctx->task->sched_class->switching_from 0,2762873923526262784
PARAM_VALUE 1 ctx->task->sched_class->switching_to 0,1207858565835722752,6355784522873475072
PARAM_VALUE 1 ctx->task->sched_class->task_change_group 0,7251702690162270208
PARAM_VALUE 1 ctx->task->sched_class->task_dead 0,6742757381008068608
PARAM_VALUE 1 ctx->task->sched_class->task_fork 0,1181151505743122432,6092562452304658432
PARAM_VALUE 1 ctx->task->sched_class->task_is_throttled 0,626302238049026048,4879098428662644736,6508522699847725056
PARAM_VALUE 1 ctx->task->sched_class->task_tick 0,6,1093040616512942080,4602209053340655616,5021036204559331328,6268546278195412992,7031988722367209472
PARAM_VALUE 1 ctx->task->sched_class->task_woken 0,4090974917235912704,4284209241675612160
PARAM_VALUE 1 ctx->task->sched_class->update_curr 0,2,2420086066110373888,2446272091500916736,2561397482238263296,2943871782664327168,8139140255186919424
BUF_SIZE 0 event->pmu_ctx (-1),112
BUF_SIZE 1 ctx (-1)-0,432
BUF_SIZE 1 ctx (-1)-0,432
CAPPED_DATA 1 ctx 1
CAPPED_DATA 1 &ctx->mutex 1
DATA_SOURCE 0 event r perf_event_alloc
DATA_SOURCE 1 ctx r find_get_context
RX_PATH
TASK_NOT_RUNNING
UNITS 1 ctx unit_byte
LOCK2 _T->lock
LOCK2 1 &ctx->mutex
TYPE_LOCK (struct perf_event_context)->mutex

kernel/events/core.c perf_install_in_context() -> exclusive_event_installable()

Type Parameter Key Value
PARAM_VALUE 0 event 4096-ptr_max
PARAM_VALUE 0 event->pmu_ctx 4096-ptr_max,(-12)
PARAM_VALUE 1 ctx 4096-ptr_max
PARAM_VALUE 1 ctx->mutex.dep_map->name 0-255
PARAM_VALUE 1 ctx->mutex.first_waiter 0,4096-ptr_max
PARAM_VALUE 1 ctx->mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 1 ctx->mutex.osq.tail.counter 0-s32max
PARAM_VALUE 1 ctx->mutex.wait_lock.dep_map->name 0-255
PARAM_VALUE 1 ctx->mutex.wait_lock.owner (-1)
PARAM_VALUE 1 ctx->mutex.wait_lock.owner_cpu u32max
BUF_SIZE 0 event->pmu_ctx (-1),112
BUF_SIZE 1 ctx (-1)-0,432
BUF_SIZE 1 ctx (-1)-0,432
CAPPED_DATA 1 ctx 1
DATA_SOURCE 0 event $1
DATA_SOURCE 1 ctx $0
STR_LEN 0 event (-1),8-9,11-29,31-34,38
STR_LEN 0 event->ctx (-1)
STR_LEN 1 ctx (-1),8-9,11-29,31-34,38
RX_PATH
TASK_NOT_RUNNING
UNITS 0 event unit_byte
HALF_LOCKED2 _T->lock
HALF_LOCKED2 1 &ctx->mutex