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/kernel/power/
DKconfig8 and ACPI. If you want to use either one, say Y here and then also
9 to the requisite support below.
19 will issue the hlt instruction if nothing is to be done, thereby
20 sending the processor to sleep and saving power.
44 This enables code to save the last PM event point across
45 reboot. The architecture needs to support this, x86 for
63 This enables some cheesy code to save the last PM event point in the
67 To use this debugging feature you should attempt to suspend the
72 CAUTION: this option will cause your machine's real-time clock to be
73 set to an invalid time after a resume.
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/kernel/
DKconfig.preempt15 scientific/computation system, or if you want to maximize the
23 "explicit preemption points" to the kernel code. These new
24 preemption points have been selected to reduce the maximum
28 This allows reaction to interactive events by allowing a
29 low priority process to voluntarily preempt itself even if it
31 applications to run more 'smoothly' even when the system is
41 preemptible. This allows reaction to interactive events by
42 permitting a low priority process to be preempted involuntarily
44 otherwise not be about to reach a natural preemption point.
45 This allows applications to run more 'smoothly' even when the
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DKconfig.hz10 to have the timer interrupt run at 1000 Hz but 100 Hz may be more
11 beneficial for servers and NUMA systems that do not need to have
15 environment leading to NR_CPUS * HZ number of timer interrupts
31 on SMP and NUMA systems. If you are going to be using NTSC video
46 systems requiring fast interactive responses to events.
Dsignal.c2094 int copy_siginfo_to_user(siginfo_t __user *to, siginfo_t *from) in copy_siginfo_to_user() argument
2098 if (!access_ok (VERIFY_WRITE, to, sizeof(siginfo_t))) in copy_siginfo_to_user()
2101 return __copy_to_user(to, from, sizeof(siginfo_t)) in copy_siginfo_to_user()
2112 err = __put_user(from->si_signo, &to->si_signo); in copy_siginfo_to_user()
2113 err |= __put_user(from->si_errno, &to->si_errno); in copy_siginfo_to_user()
2114 err |= __put_user((short)from->si_code, &to->si_code); in copy_siginfo_to_user()
2117 err |= __put_user(from->si_pid, &to->si_pid); in copy_siginfo_to_user()
2118 err |= __put_user(from->si_uid, &to->si_uid); in copy_siginfo_to_user()
2121 err |= __put_user(from->si_tid, &to->si_tid); in copy_siginfo_to_user()
2122 err |= __put_user(from->si_overrun, &to->si_overrun); in copy_siginfo_to_user()
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Dfutex.c1384 struct hrtimer_sleeper timeout, *to = NULL; in futex_lock_pi() local
1395 to = &timeout; in futex_lock_pi()
1396 hrtimer_init_on_stack(&to->timer, CLOCK_REALTIME, in futex_lock_pi()
1398 hrtimer_init_sleeper(to, current); in futex_lock_pi()
1399 hrtimer_set_expires(&to->timer, *time); in futex_lock_pi()
1529 ret = rt_mutex_timed_lock(&q.pi_state->pi_mutex, to, 1); in futex_lock_pi()
1602 if (to) in futex_lock_pi()
1603 destroy_hrtimer_on_stack(&to->timer); in futex_lock_pi()
1612 if (to) in futex_lock_pi()
1613 destroy_hrtimer_on_stack(&to->timer); in futex_lock_pi()
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Dcpuset.c133 struct cgroup *to; member
1012 const nodemask_t *to) in cpuset_migrate_mm() argument
1019 tsk->mems_allowed = *to; in cpuset_migrate_mm()
1022 do_migrate_pages(mm, from, to, MPOL_MF_MOVE_ALL); in cpuset_migrate_mm()
1384 nodemask_t from, to; in cpuset_attach() local
1402 to = cs->mems_allowed; in cpuset_attach()
1405 mpol_rebind_mm(mm, &to); in cpuset_attach()
1407 cpuset_migrate_mm(mm, &from, &to); in cpuset_attach()
1926 cgroup_attach_task(chsp->to, tsk); in cpuset_do_move_task()
1940 static void move_member_tasks_to_cpuset(struct cpuset *from, struct cpuset *to) in move_member_tasks_to_cpuset() argument
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Dsysctl.c1812 struct ctl_table *to = p->ctl_table, *by = q->ctl_table; in try_attach() local
1817 while ((next = is_branch_in(by, to)) != NULL) { in try_attach()
1820 if (to == p->attached_by) in try_attach()
1823 to = next->child; in try_attach()
1828 q->attached_to = to; in try_attach()
/kernel/trace/
DKconfig59 Enable the kernel to trace every kernel function. This is done
60 by using a compiler feature to insert a small, 5-byte No-Operation
61 instruction to the beginning of every kernel function, which NOP
73 Enable the kernel to trace a function at both its return
75 It's first purpose is to trace the duration of functions and
142 to be scheduled in, starting from the point it has woken up.
159 This tracer helps developers to optimize boot times: it records
163 Its aim is to be parsed by the /scripts/bootgraph.pl tool to
183 on if you need to profile the system's use of these macros.
199 is to be analyzed
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Dtrace_hw_branches.c96 it->from, it->to) && in bts_trace_print_line()
106 void trace_hw_branch(struct trace_array *tr, u64 from, u64 to) in trace_hw_branch() argument
120 entry->to = to; in trace_hw_branch()
140 trace_hw_branch(tr, bts.variant.lbr.from, bts.variant.lbr.to); in trace_bts_at()
Dtrace.h165 u64 to; member
418 void trace_hw_branch(struct trace_array *tr, u64 from, u64 to);