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Documented in 1 files:

Defined in 1 files as a function:

Referenced in 2 files:

Smatch caller information:

kernel/sched/fair.c cpu_util_cfs() -> cpu_util()

Type Parameter Key Value
PARAM_VALUE 1 p 0
PARAM_VALUE 2 dst_cpu (-1)
PARAM_VALUE 3 boost 0
DATA_SOURCE 0 cpu $0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 rcu_read

kernel/sched/fair.c cpu_util_cfs_boost() -> cpu_util()

Type Parameter Key Value
PARAM_VALUE 0 cpu 0-8192
PARAM_VALUE 1 p 0
PARAM_VALUE 2 dst_cpu (-1)
PARAM_VALUE 3 boost 1
CAPPED_DATA 0 cpu 1
DATA_SOURCE 0 cpu $0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING

kernel/sched/fair.c cpu_util_without() -> cpu_util()

Type Parameter Key Value
PARAM_VALUE 0 cpu 0-8192
PARAM_VALUE 1 p 0,4096-ptr_max
PARAM_VALUE 2 dst_cpu (-1)
PARAM_VALUE 3 boost 0
BUF_SIZE 1 p (-1)-0,4,24,64,112,168-s32max
BUF_SIZE 1 p (-1)-0,4,24,64,112,168-s32max
BUF_SIZE 1 p->io_uring (-1),640
BUF_SIZE 1 p->vfork_done (-1),96
CAPPED_DATA 0 cpu 1
DATA_SOURCE 0 cpu $0
DATA_SOURCE 1 p $1 [m]
CONSTRAINT 0 cpu <3035
NOSPEC 1 p->thread.fsbase
NOSPEC 1 p->thread.gsbase
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 p->exit_code 0-64
USER_DATA 1 p->exit_signal 1-64[c]
USER_DATA 1 p->group_leader->thread.fsbase 0-s32max[c]
USER_DATA 1 p->group_leader->thread.gsbase 0-s32max[c]
USER_DATA 1 p->ptrace 0-u32max[c]
USER_DATA 1 p->syscall_dispatch.len 0-u64max
USER_DATA 1 p->syscall_dispatch.offset 0-s32max[c]
USER_DATA 1 p->thread.ds 0-u16max
USER_DATA 1 p->thread.es 0-u16max
USER_DATA 1 p->thread.features_locked 0-u64max[c][u]
USER_DATA 1 p->thread.fsbase 0-s32max[c]
USER_DATA 1 p->thread.fsindex 0-u16max
USER_DATA 1 p->thread.gsbase 0-s32max[c]
USER_DATA 1 p->thread.gsindex 0-u16max
USER_DATA 1 p->thread.ptrace_dr7 0-u64max
USER_DATA 1 p->thread.virtual_dr6 0-u64max
NO_OVERFLOW_SIMPLE 1 p->dl.dl_runtime
NO_OVERFLOW_SIMPLE 1 p->dl.pi_se->dl_runtime
NO_OVERFLOW_SIMPLE 1 p->nsproxy->pid_ns_for_children->pid_cachep->sheaf_capacity
LOCK2 1 &p->pi_lock
HALF_LOCKED2 irq
HALF_LOCKED2 1 &p->sighand->siglock
TYPE_LOCK (struct task_struct)->pi_lock

kernel/sched/fair.c eenv_pd_busy_time() -> cpu_util()

Type Parameter Key Value
PARAM_VALUE 0 cpu 0-64
PARAM_VALUE 1 p 4096-ptr_max
PARAM_VALUE 1 p->se.avg.util_avg 0-u32max
PARAM_VALUE 2 dst_cpu (-1)
PARAM_VALUE 3 boost 0
BUF_SIZE 1 p (-1),1-s32max
BUF_SIZE 1 p (-1),1-s32max
BUF_SIZE 1 p->group_leader (-1),1-s32max
BUF_SIZE 1 p->mempolicy (-1),1-s32max
BUF_SIZE 1 p->vfork_done (-1),96
CAPPED_DATA 0 cpu 1
CAPPED_DATA 1 p 1
DATA_SOURCE 0 cpu r find_next_bit
DATA_SOURCE 1 p $2
CONSTRAINT 0 cpu <3035
NOSPEC 1 p->thread.fsbase
NOSPEC 1 p->thread.gsbase
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 p->dl.pi_se->runtime 1-17592186044415[c]
USER_DATA 1 p->exit_code 0-64
USER_DATA 1 p->exit_signal 1-64[c]
USER_DATA 1 p->group_leader->thread.fsbase 0-s32max[c]
USER_DATA 1 p->group_leader->thread.gsbase 0-s32max[c]
USER_DATA 1 p->ptrace 0-u32max[c]
USER_DATA 1 p->syscall_dispatch.len 0-u64max
USER_DATA 1 p->syscall_dispatch.offset 0-s32max[c]
USER_DATA 1 p->thread.ds 0-u16max
USER_DATA 1 p->thread.es 0-u16max
USER_DATA 1 p->thread.features_locked 0-u64max[c][u]
USER_DATA 1 p->thread.fsbase 0-s32max[c]
USER_DATA 1 p->thread.fsindex 0-u16max
USER_DATA 1 p->thread.gsbase 0-s32max[c]
USER_DATA 1 p->thread.gsindex 0-u16max
USER_DATA 1 p->thread.ptrace_dr7 0-u64max
USER_DATA 1 p->thread.virtual_dr6 0-u64max
NO_OVERFLOW_SIMPLE 1 p->dl.pi_se->dl_runtime
NO_OVERFLOW_SIMPLE 1 p->nsproxy->pid_ns_for_children->pid_cachep->sheaf_capacity
LOCK2 1 &p->pi_lock
HALF_LOCKED2 irq
HALF_LOCKED2 1 &p->sighand->siglock
TYPE_LOCK (struct task_struct)->pi_lock

kernel/sched/fair.c eenv_pd_max_util() -> cpu_util()

Type Parameter Key Value
PARAM_VALUE 0 cpu 0-64
PARAM_VALUE 1 p 4096-ptr_max
PARAM_VALUE 1 p->se.avg.util_avg 0-u32max
PARAM_VALUE 2 dst_cpu (-1)-64
PARAM_VALUE 3 boost 1
BUF_SIZE 1 p (-1),112
BUF_SIZE 1 p (-1),112
BUF_SIZE 1 p->io_uring (-1),640
BUF_SIZE 1 p->vfork_done (-1),96
CAPPED_DATA 0 cpu 1
CAPPED_DATA 1 p 1
CAPPED_DATA 2 dst_cpu 1
DATA_SOURCE 0 cpu r find_next_bit
DATA_SOURCE 1 p $2
DATA_SOURCE 2 dst_cpu $3
CONSTRAINT 0 cpu <3035
NOSPEC 1 p->thread.fsbase
NOSPEC 1 p->thread.gsbase
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 p->exit_code 0-64
USER_DATA 1 p->exit_signal 1-64[c]
USER_DATA 1 p->group_leader->thread.fsbase 0-s32max[c]
USER_DATA 1 p->group_leader->thread.gsbase 0-s32max[c]
USER_DATA 1 p->ptrace 0-u32max[c]
USER_DATA 1 p->syscall_dispatch.len 0-u64max
USER_DATA 1 p->syscall_dispatch.offset 0-s32max[c]
USER_DATA 1 p->thread.ds 0-u16max
USER_DATA 1 p->thread.es 0-u16max
USER_DATA 1 p->thread.features_locked 0-u64max[c][u]
USER_DATA 1 p->thread.fsbase 0-s32max[c]
USER_DATA 1 p->thread.fsindex 0-u16max
USER_DATA 1 p->thread.gsbase 0-s32max[c]
USER_DATA 1 p->thread.gsindex 0-u16max
USER_DATA 1 p->thread.ptrace_dr7 0-u64max
USER_DATA 1 p->thread.virtual_dr6 0-u64max
NO_OVERFLOW_SIMPLE 1 p->dl.pi_se->dl_runtime
NO_OVERFLOW_SIMPLE 1 p->nsproxy->pid_ns_for_children->pid_cachep->sheaf_capacity
LOCK2 1 &p->pi_lock
HALF_LOCKED2 irq
HALF_LOCKED2 1 &p->sighand->siglock
TYPE_LOCK (struct task_struct)->pi_lock

kernel/sched/fair.c find_energy_efficient_cpu() -> cpu_util()

Type Parameter Key Value
PARAM_VALUE 0 cpu 0-64
PARAM_VALUE 1 p 4096-ptr_max
PARAM_VALUE 1 p->se.avg.util_avg 0-u32max
PARAM_VALUE 2 dst_cpu 0-64
PARAM_VALUE 3 boost 0
BUF_SIZE 1 p (-1),1-s32max
BUF_SIZE 1 p (-1),1-s32max
BUF_SIZE 1 p->vfork_done (-1),96
CAPPED_DATA 0 cpu 1
CAPPED_DATA 1 p 1
CAPPED_DATA 2 dst_cpu 1
DATA_SOURCE 0 cpu r find_next_bit
DATA_SOURCE 1 p $0
DATA_SOURCE 2 dst_cpu r find_next_bit
CONSTRAINT 0 cpu <3035
CONSTRAINT 2 dst_cpu <3035
NOSPEC 1 p->thread.fsbase
NOSPEC 1 p->thread.gsbase
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 p->dl.pi_se->runtime 1-17592186044415[c]
USER_DATA 1 p->exit_code 0-64
USER_DATA 1 p->exit_signal 1-64[c]
USER_DATA 1 p->group_leader->thread.fsbase 0-s32max[c]
USER_DATA 1 p->group_leader->thread.gsbase 0-s32max[c]
USER_DATA 1 p->ptrace 0-u32max[c]
USER_DATA 1 p->syscall_dispatch.len 0-u64max
USER_DATA 1 p->syscall_dispatch.offset 0-s32max[c]
USER_DATA 1 p->thread.ds 0-u16max
USER_DATA 1 p->thread.es 0-u16max
USER_DATA 1 p->thread.features_locked 0-u64max[c][u]
USER_DATA 1 p->thread.fsbase 0-s32max[c]
USER_DATA 1 p->thread.fsindex 0-u16max
USER_DATA 1 p->thread.gsbase 0-s32max[c]
USER_DATA 1 p->thread.gsindex 0-u16max
USER_DATA 1 p->thread.ptrace_dr7 0-u64max
USER_DATA 1 p->thread.virtual_dr6 0-u64max
NO_OVERFLOW_SIMPLE 1 p->dl.pi_se->dl_runtime
NO_OVERFLOW_SIMPLE 1 p->nsproxy->pid_ns_for_children->pid_cachep->sheaf_capacity
LOCK2 1 &p->pi_lock
HALF_LOCKED2 irq
HALF_LOCKED2 1 &p->sighand->siglock
TYPE_LOCK (struct task_struct)->pi_lock