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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

kernel/sched/fair.c detach_tasks() -> task_util_est()

Type Parameter Key Value
PARAM_VALUE 0 p 4096-ptr_max
CAPPED_DATA 0 p 1
RX_PATH
TASK_NOT_RUNNING
LOCK2 busiest
LOCK2 rf.flags
HALF_LOCKED2 irq
HALF_LOCKED2 rcu_read

kernel/sched/fair.c eenv_task_busy_time() -> task_util_est()

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

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

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

kernel/sched/fair.c select_idle_capacity() -> task_util_est()

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

kernel/sched/fair.c select_idle_sibling() -> task_util_est()

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

kernel/sched/fair.c task_fits_cpu() -> task_util_est()

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