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/linux/tools/testing/selftests/cpu-hotplug/
H A Dcpu-on-off-test.sh33 online_cpus=`cat $SYSFS/devices/system/cpu/online`
64 if [ -f $cpu/online ] && grep -q $state $cpu/online; then
82 grep -q 1 $SYSFS/devices/system/cpu/cpu$1/online
87 grep -q 0 $SYSFS/devices/system/cpu/cpu$1/online
92 echo 1 > $SYSFS/devices/system/cpu/cpu$1/online
97 echo 0 > $SYSFS/devices/system/cpu/cpu$1/online
121 echo $FUNCNAME $cpu: unexpected online >&2
/linux/Documentation/translations/zh_CN/core-api/
H A Dcpu_hotplug.rst107 -r--r--r-- 1 root root 4.0K Dec 21 16:33 online
111 文件 *offline* 、 *online* 、*possible* 、*present* 代表CPU掩码。每个CPU文件
112 夹包含一个 *online* 文件，控制逻辑上的开（1）和关（0）状态。要在逻辑上关闭CPU4::
114 $ echo 0 > /sys/devices/system/cpu/cpu4/online
120 $ echo 1 > /sys/devices/system/cpu/cpu4/online
379 online 对应ONLINE阶段中的状态
387 @name参数的示例："perf/online", "perf/x86:prepare", "RCU/tree:dying", "sched/waitempty"
521 state = cpuhp_setup_state_nocalls(CPUHP_ONLINE_DYN, "subsys:online", subsys_cpu_online, NULL);
529 …state = cpuhp_setup_state_multi(CPUHP_ONLINE_DYN, "subsys:online", subsys_cpu_online, subsys_cpu_o…
557 138: mm/vmscan:online
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/linux/Documentation/core-api/
H A Dcpu_hotplug.rst36 other CPUs later online.
41 those CPUs can not be brought online later.
65 Bitmap of all CPUs currently online. Its set in ``__cpu_up()``
73 of them may be online. When physical hotplug is processed by the relevant
106 -r--r--r-- 1 root root 4.0K Dec 21 16:33 online
110 The files *offline*, *online*, *possible*, *present* represent the CPU masks.
111 Each CPU folder contains an *online* file which controls the logical on (1) and
114 $ echo 0 > /sys/devices/system/cpu/cpu4/online
119 bring CPU4 back online::
121 $ echo 1 > /sys/devices/system/cpu/cpu4/online
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/linux/Documentation/admin-guide/
H A Dcputopology.rst61 offline: CPUs that are not online because they have been
66 online: CPUs that are online and being scheduled [cpu_online_mask]
69 brought online if they are present. [cpu_possible_mask]
80 being 32. Note also that CPUs 2 and 4-31 are not online but could be
81 brought online as they are both present and possible::
85 online: 0-1,3
92 online.)::
96 online: 0-1,3
/linux/tools/testing/selftests/bpf/prog_tests/
H A Dperf_buffer.c54 bool *online; in serial_test_perf_buffer() local
61 &online, &on_len); in serial_test_perf_buffer()
66 if (online[i]) in serial_test_perf_buffer()
95 if (i >= on_len || !online[i]) { in serial_test_perf_buffer()
118 if (i >= on_len || !online[i]) in serial_test_perf_buffer()
146 free(online); in serial_test_perf_buffer()
H A Draw_tp_test_run.c15 bool *online = NULL; in test_raw_tp_test_run() local
22 err = parse_cpu_mask_file("/sys/devices/system/cpu/online", &online, in test_raw_tp_test_run()
58 if (!online[i]) in test_raw_tp_test_run()
85 free(online); in test_raw_tp_test_run()
/linux/Documentation/ABI/testing/
H A Dsysfs-devices-online1 What: /sys/devices/.../online
5 The /sys/devices/.../online attribute is only present for
6 devices whose bus types provide .online() and .offline()
13 this file, the device bus type's .online() callback is executed
20 type's .online() is executed successfully.
H A Dsysfs-devices-system-xen_cpu12 What: /sys/devices/system/xen_cpu/xen_cpu#/online
16 Interface to online/offline Xen physical cpus
19 to online/offline physical cpus, except cpu0 due to several
H A Dsysfs-devices-memory47 is read-write. When read, it returns the online/offline
49 the online/offline state of a memory block using the following
52 # echo online > /sys/devices/system/memory/memoryX/state
60 reading the file will return "online"; the zone information
77 For online memory blocks, it returns in which zone memory
85 the state of an offline memory block to "online". Only one of
/linux/kernel/irq/
H A Dmatrix.c17 bool online; member
88 BUG_ON(cm->online); in irq_matrix_online()
96 cm->online = true; in irq_matrix_online()
111 cm->online = false; in irq_matrix_offline()
146 if (!cm->online || cm->available <= maxavl) in matrix_find_best_cpu()
167 if (!cm->online || cm->managed_allocated > allocated) in matrix_find_best_cpu_managed()
228 if (cm->online) { in irq_matrix_reserve_managed()
278 if (cm->online) { in irq_matrix_remove_managed()
439 if (cm->online) in irq_matrix_free()
444 if (cm->online) in irq_matrix_free()
/linux/Documentation/arch/s390/
H A Ddriver-model.rst49 online:
50 An interface to set the device online and offline.
52 notify function under 1.2), piping 0 to online will forcibly delete
77 via the 'online' interface.
93 int online;
161 activated via the 'online' attribute. The driver should finally
171 verified that the device is not already online.
175 de-activated via the 'online' attribute. The driver should shut
185 verified that the device is online.
194 * In online state, device detached (CIO_GONE) or last path gone
[all …]
/linux/tools/testing/selftests/ftrace/test.d/ftrace/
H A Dfunc_hotplug.tc21 if [ -f $i/online ] && [ "$(cat $i/online)" = "1" ]; then
38 (echo 0 > $cpu/online)
40 (echo 1 > $cpu/online)
/linux/tools/perf/arch/arm/util/
H A Dpmu.c21 struct perf_cpu_map *intersect, *online = cpu_map__online(); in perf_pmu__arch_init() local
42 intersect = perf_cpu_map__intersect(online, pmu->cpus); in perf_pmu__arch_init()
43 perf_cpu_map__put(online); in perf_pmu__arch_init()
/linux/drivers/power/supply/
H A Dmax14656_charger_detector.c86 int online; member
152 chip->online = 1; in max14656_irq_worker()
154 chip->online = 0; in max14656_irq_worker()
216 val->intval = chip->online; in max14656_get_property()
262 chip->online = 0; in max14656_probe()
H A Dpower_supply_leds.c171 union power_supply_propval online; in power_supply_update_gen_leds() local
173 if (power_supply_get_property(psy, POWER_SUPPLY_PROP_ONLINE, &online)) in power_supply_update_gen_leds()
176 dev_dbg(&psy->dev, "%s %d\n", __func__, online.intval); in power_supply_update_gen_leds()
178 if (online.intval) in power_supply_update_gen_leds()
H A Drn5t618_power.c434 bool online; in rn5t618_adp_get_property() local
441 online = !!(chgstate & CHG_STATE_ADP_INPUT); in rn5t618_adp_get_property()
445 val->intval = online; in rn5t618_adp_get_property()
448 if (!online) { in rn5t618_adp_get_property()
554 bool online; in rn5t618_usb_get_property() local
561 online = !!(chgstate & CHG_STATE_USB_INPUT); in rn5t618_usb_get_property()
565 val->intval = online; in rn5t618_usb_get_property()
568 if (!online) { in rn5t618_usb_get_property()
578 if (!online || (info->rn5t618->variant != RC5T619)) in rn5t618_usb_get_property()
/linux/tools/perf/util/
H A Dtool_pmu.c393 struct perf_cpu_map *online = cpu_map__online(); in tool_pmu__read_event() local
395 if (!online) in tool_pmu__read_event()
400 *result = perf_cpu_map__nr(online); in tool_pmu__read_event()
404 perf_cpu_map__intersect(online, evsel->core.cpus); in tool_pmu__read_event()
417 perf_cpu_map__intersect(online, evsel->core.pmu_cpus); in tool_pmu__read_event()
422 *result = perf_cpu_map__nr(online); in tool_pmu__read_event()
425 perf_cpu_map__put(online); in tool_pmu__read_event()
/linux/tools/testing/selftests/memory-hotplug/
H A Dmem-on-off-test.sh58 hotpluggable_memory online
63 grep -q online $SYSFS/devices/system/memory/memory$1/state
73 echo online > $SYSFS/devices/system/memory/memory$1/state
103 echo $FUNCNAME $memory: unexpected online >&2
/linux/include/trace/events/
H A Dirq_matrix.h75 __field( bool, online )
88 __entry->online = cmap->online;
99 __entry->bit, __entry->cpu, __entry->online,
/linux/Documentation/translations/zh_CN/admin-guide/
H A Dcputopology.rst66 online: 在线的CPU，可供调度使用。[cpu_online_mask]
82 online: 0-1,3
91 online: 0-1,3
/linux/Documentation/translations/zh_TW/admin-guide/
H A Dcputopology.rst66 online: 在線的CPU，可供調度使用。[cpu_online_mask]
82 online: 0-1,3
91 online: 0-1,3
/linux/tools/testing/selftests/sched_ext/
H A Dhotplug.c24 static void toggle_online_status(bool online) in toggle_online_status() argument
26 long val = online ? 1 : 0; in toggle_online_status()
32 online ? "online" : "offline", strerror(errno)); in toggle_online_status()
/linux/tools/testing/selftests/cpufreq/
H A Dcpu.sh35 echo 0 > $CPUROOT/$1/online
42 echo 1 > $CPUROOT/$1/online
/linux/Documentation/arch/arm64/
H A Dcpu-hotplug.rst9 CPUs online/offline using PSCI. This document is about ACPI firmware allowing
51 marked as disabled by firmware. Only the CPU's online/offline behaviour is
59 brought online. Firmware can enforce its policy via PSCI's return codes. e.g.
64 ``enabled`` in the MADT GICC structures, but should have the ``online capable``
69 CPUs described as ``online capable`` but not ``enabled`` can be set to enabled
/linux/tools/testing/selftests/cgroup/
H A Dtest_cpuset_v1_hp.sh36 echo 0 > /sys/devices/system/cpu/cpu1/online
38 echo 1 > /sys/devices/system/cpu/cpu1/online

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