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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/thermal/
Dnvidia,tegra124-soctherm.txt4 or interrupt-based thermal monitoring, CPU and GPU throttling based
10 - compatible : For Tegra124, must contain "nvidia,tegra124-soctherm".
11 For Tegra132, must contain "nvidia,tegra132-soctherm".
12 For Tegra210, must contain "nvidia,tegra210-soctherm".
13 - reg : Should contain at least 2 entries for each entry in reg-names:
14 - SOCTHERM register set
15 - Tegra CAR register set: Required for Tegra124 and Tegra210.
16 - CCROC register set: Required for Tegra132.
17 - reg-names : Should contain at least 2 entries:
18 - soctherm-reg
[all …]
/kernel/linux/linux-6.6/Documentation/devicetree/bindings/thermal/
Dnvidia,tegra124-soctherm.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/thermal/nvidia,tegra124-soctherm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
14 polled or interrupt-based thermal monitoring, CPU and GPU throttling based
21 - nvidia,tegra124-soctherm
22 - nvidia,tegra132-soctherm
23 - nvidia,tegra210-soctherm
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/kernel/linux/linux-5.10/kernel/sched/
Ddeadline.c1 // SPDX-License-Identifier: GPL-2.0
40 return &rq->dl; in dl_rq_of_se()
45 return !RB_EMPTY_NODE(&dl_se->rb_node); in on_dl_rq()
51 return dl_se->pi_se; in pi_of()
75 return &cpu_rq(i)->rd->dl_bw; in dl_bw_of()
80 struct root_domain *rd = cpu_rq(i)->rd; in dl_bw_cpus()
86 if (cpumask_subset(rd->span, cpu_active_mask)) in dl_bw_cpus()
87 return cpumask_weight(rd->span); in dl_bw_cpus()
91 for_each_cpu_and(i, rd->span, cpu_active_mask) in dl_bw_cpus()
99 struct root_domain *rd = cpu_rq(i)->rd; in __dl_bw_capacity()
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Drt.c1 // SPDX-License-Identifier: GPL-2.0
3 * Real-Time Scheduling Class (mapped to the SCHED_FIFO and SCHED_RR
35 raw_spin_lock(&rt_b->rt_runtime_lock); in sched_rt_period_timer()
37 overrun = hrtimer_forward_now(timer, rt_b->rt_period); in sched_rt_period_timer()
41 raw_spin_unlock(&rt_b->rt_runtime_lock); in sched_rt_period_timer()
43 raw_spin_lock(&rt_b->rt_runtime_lock); in sched_rt_period_timer()
46 rt_b->rt_period_active = 0; in sched_rt_period_timer()
47 raw_spin_unlock(&rt_b->rt_runtime_lock); in sched_rt_period_timer()
52 void init_rt_bandwidth(struct rt_bandwidth *rt_b, u64 period, u64 runtime) in init_rt_bandwidth() argument
54 rt_b->rt_period = ns_to_ktime(period); in init_rt_bandwidth()
[all …]
/kernel/linux/linux-6.6/kernel/sched/
Ddeadline.c1 // SPDX-License-Identifier: GPL-2.0
23 * Default limits for DL period; on the top end we guard against small util
28 static unsigned int sysctl_sched_dl_period_min = 100; /* 100 us */
73 return &rq->dl; in dl_rq_of_se()
78 return !RB_EMPTY_NODE(&dl_se->rb_node); in on_dl_rq()
84 return dl_se->pi_se; in pi_of()
108 return &cpu_rq(i)->rd->dl_bw; in dl_bw_of()
113 struct root_domain *rd = cpu_rq(i)->rd; in dl_bw_cpus()
119 if (cpumask_subset(rd->span, cpu_active_mask)) in dl_bw_cpus()
120 return cpumask_weight(rd->span); in dl_bw_cpus()
[all …]
Drt.c1 // SPDX-License-Identifier: GPL-2.0
3 * Real-Time Scheduling Class (mapped to the SCHED_FIFO and SCHED_RR
26 * period over which we measure -rt task CPU usage in us.
32 * part of the period that we allow rt tasks to run in us.
87 raw_spin_lock(&rt_b->rt_runtime_lock); in sched_rt_period_timer()
89 overrun = hrtimer_forward_now(timer, rt_b->rt_period); in sched_rt_period_timer()
93 raw_spin_unlock(&rt_b->rt_runtime_lock); in sched_rt_period_timer()
95 raw_spin_lock(&rt_b->rt_runtime_lock); in sched_rt_period_timer()
98 rt_b->rt_period_active = 0; in sched_rt_period_timer()
99 raw_spin_unlock(&rt_b->rt_runtime_lock); in sched_rt_period_timer()
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/kernel/linux/linux-6.6/mm/
Dpage-writeback.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * mm/page-writeback.c
26 #include <linux/backing-dev.h>
54 #define DIRTY_POLL_THRESH (128 >> (PAGE_SHIFT - 10))
100 * The interval between `kupdate'-style writebacks
119 /* End of sysctl-exported parameters */
137 unsigned long wb_dirty; /* per-wb counterparts */
145 * Length of period for aging writeout fractions of bdis. This is an
146 * arbitrarily chosen number. The longer the period, the slower fractions will
155 .wb_completions = &(__wb)->completions
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/kernel/linux/linux-5.10/drivers/scsi/aic7xxx/
Daic79xx_osm.c6 * --------------------------------------------------------------------------
7 * Copyright (c) 1994-2000 Justin T. Gibbs.
8 * Copyright (c) 1997-1999 Doug Ledford
9 * Copyright (c) 2000-2003 Adaptec Inc.
23 * 3. Neither the names of the above-listed copyright holders nor the names
76 * To change the default number of tagged transactions allowed per-device,
83 * Twin adapters will use indexes 0-7 for channel 0, and indexes 8-15
96 * The driver will throttle the number of commands dispatched to a
102 * depths. The driver will throttle back when the queue fulls occur and
110 * (0, 2-11, 13-15), disables tagged queueing for ID 12, and tells the
[all …]
Daic7xxx_osm.c25 * config file (!adp7771.cfg), the Adaptec AHA-2740A Series User's Guide,
28 * (adp7770.ovl), the Adaptec AHA-2740 Series Technical Reference Manual,
29 * the Adaptec AIC-7770 Data Book, the ANSI SCSI specification, the
30 * ANSI SCSI-2 specification (draft 10c), ...
32 * --------------------------------------------------------------------------
40 * --------------------------------------------------------------------------
41 * Copyright (c) 1994-2000 Justin T. Gibbs.
42 * Copyright (c) 2000-2001 Adaptec Inc.
56 * 3. Neither the names of the above-listed copyright holders nor the names
77 *---------------------------------------------------------------------------
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/kernel/linux/linux-6.6/drivers/scsi/aic7xxx/
Daic79xx_osm.c6 * --------------------------------------------------------------------------
7 * Copyright (c) 1994-2000 Justin T. Gibbs.
8 * Copyright (c) 1997-1999 Doug Ledford
9 * Copyright (c) 2000-2003 Adaptec Inc.
23 * 3. Neither the names of the above-listed copyright holders nor the names
76 * To change the default number of tagged transactions allowed per-device,
83 * Twin adapters will use indexes 0-7 for channel 0, and indexes 8-15
96 * The driver will throttle the number of commands dispatched to a
102 * depths. The driver will throttle back when the queue fulls occur and
110 * (0, 2-11, 13-15), disables tagged queueing for ID 12, and tells the
[all …]
Daic7xxx_osm.c26 * config file (!adp7771.cfg), the Adaptec AHA-2740A Series User's Guide,
29 * (adp7770.ovl), the Adaptec AHA-2740 Series Technical Reference Manual,
30 * the Adaptec AIC-7770 Data Book, the ANSI SCSI specification, the
31 * ANSI SCSI-2 specification (draft 10c), ...
33 * --------------------------------------------------------------------------
41 * --------------------------------------------------------------------------
42 * Copyright (c) 1994-2000 Justin T. Gibbs.
43 * Copyright (c) 2000-2001 Adaptec Inc.
57 * 3. Neither the names of the above-listed copyright holders nor the names
78 *---------------------------------------------------------------------------
[all …]
/kernel/linux/linux-5.10/mm/
Dpage-writeback.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * mm/page-writeback.c
25 #include <linux/backing-dev.h>
54 #define DIRTY_POLL_THRESH (128 >> (PAGE_SHIFT - 10))
100 * The interval between `kupdate'-style writebacks
119 /* End of sysctl-exported parameters */
137 unsigned long wb_dirty; /* per-wb counterparts */
145 * Length of period for aging writeout fractions of bdis. This is an
146 * arbitrarily chosen number. The longer the period, the slower fractions will
155 .wb_completions = &(__wb)->completions
[all …]
/kernel/linux/linux-5.10/Documentation/driver-api/thermal/
Dintel_powerclamp.rst6 - Arjan van de Ven <arjan@linux.intel.com>
7 - Jacob Pan <jacob.jun.pan@linux.intel.com>
12 - Goals and Objectives
15 - Idle Injection
16 - Calibration
19 - Effectiveness and Limitations
20 - Power vs Performance
21 - Scalability
22 - Calibration
23 - Comparison with Alternative Techniques
[all …]
/kernel/linux/linux-6.6/Documentation/admin-guide/thermal/
Dintel_powerclamp.rst6 - Arjan van de Ven <arjan@linux.intel.com>
7 - Jacob Pan <jacob.jun.pan@linux.intel.com>
12 - Goals and Objectives
15 - Idle Injection
16 - Calibration
19 - Effectiveness and Limitations
20 - Power vs Performance
21 - Scalability
22 - Calibration
23 - Comparison with Alternative Techniques
[all …]
/kernel/linux/linux-5.10/drivers/thermal/tegra/
Dsoctherm.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2014 - 2018, NVIDIA CORPORATION. All rights reserved.
34 #include <dt-bindings/thermal/tegra124-soctherm.h>
197 #define REG_GET_MASK(r, m) (((r) & (m)) >> (ffs(m) - 1))
200 (((v) & (m >> (ffs(m) - 1))) << (ffs(m) - 1)))
203 #define THROT_DEPTH_DIVIDEND(depth) ((256 * (100 - (depth)) / 100) - 1)
205 /* gk20a nv_therm interface N:3 Mapping. Levels defined in tegra124-soctherm.h
212 #define THROT_LEVEL_TO_DEPTH(level) ((0x1 << (level)) - 1)
229 (ALARM_OFFSET * (throt - THROTTLE_OC1)))
232 (ALARM_OFFSET * (throt - THROTTLE_OC1)))
[all …]
/kernel/linux/linux-6.6/drivers/thermal/tegra/
Dsoctherm.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2014 - 2018, NVIDIA CORPORATION. All rights reserved.
34 #include <dt-bindings/thermal/tegra124-soctherm.h>
197 #define REG_GET_MASK(r, m) (((r) & (m)) >> (ffs(m) - 1))
200 (((v) & (m >> (ffs(m) - 1))) << (ffs(m) - 1)))
203 #define THROT_DEPTH_DIVIDEND(depth) ((256 * (100 - (depth)) / 100) - 1)
205 /* gk20a nv_therm interface N:3 Mapping. Levels defined in tegra124-soctherm.h
212 #define THROT_LEVEL_TO_DEPTH(level) ((0x1 << (level)) - 1)
229 (ALARM_OFFSET * (throt - THROTTLE_OC1)))
232 (ALARM_OFFSET * (throt - THROTTLE_OC1)))
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/kernel/linux/linux-6.6/tools/include/uapi/linux/
Dpkt_sched.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
12 with obsolete IPv6 values is not occasional :-). New IPv6 drafts
37 __u32 overlimits; /* Number of throttle events when this
51 ---------
119 #define TCA_STAB_MAX (__TCA_STAB_MAX - 1)
130 * Priorities go from zero to (SKBPRIO_MAX_PRIORITY - 1).
149 __u8 priomap[TC_PRIO_MAX+1]; /* Map: logical priority -> PRIO band */
173 * command is received (just act as a pass-thru queue).
203 #define TCA_TBF_MAX (__TCA_TBF_MAX - 1)
214 int perturb_period; /* Period of hash perturbation */
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/kernel/linux/linux-5.10/tools/include/uapi/linux/
Dpkt_sched.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
12 with obsolete IPv6 values is not occasional :-). New IPv6 drafts
37 __u32 overlimits; /* Number of throttle events when this
51 ---------
119 #define TCA_STAB_MAX (__TCA_STAB_MAX - 1)
130 * Priorities go from zero to (SKBPRIO_MAX_PRIORITY - 1).
149 __u8 priomap[TC_PRIO_MAX+1]; /* Map: logical priority -> PRIO band */
173 * command is received (just act as a pass-thru queue).
203 #define TCA_TBF_MAX (__TCA_TBF_MAX - 1)
214 int perturb_period; /* Period of hash perturbation */
[all …]
/kernel/linux/linux-6.6/include/uapi/linux/
Dpkt_sched.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
13 with obsolete IPv6 values is not occasional :-). New IPv6 drafts
38 __u32 overlimits; /* Number of throttle events when this
52 ---------
120 #define TCA_STAB_MAX (__TCA_STAB_MAX - 1)
131 * Priorities go from zero to (SKBPRIO_MAX_PRIORITY - 1).
150 __u8 priomap[TC_PRIO_MAX+1]; /* Map: logical priority -> PRIO band */
174 * command is received (just act as a pass-thru queue).
204 #define TCA_TBF_MAX (__TCA_TBF_MAX - 1)
215 int perturb_period; /* Period of hash perturbation */
[all …]
/kernel/linux/linux-5.10/include/uapi/linux/
Dpkt_sched.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
13 with obsolete IPv6 values is not occasional :-). New IPv6 drafts
38 __u32 overlimits; /* Number of throttle events when this
52 ---------
120 #define TCA_STAB_MAX (__TCA_STAB_MAX - 1)
131 * Priorities go from zero to (SKBPRIO_MAX_PRIORITY - 1).
150 __u8 priomap[TC_PRIO_MAX+1]; /* Map: logical priority -> PRIO band */
174 * command is received (just act as a pass-thru queue).
204 #define TCA_TBF_MAX (__TCA_TBF_MAX - 1)
215 int perturb_period; /* Period of hash perturbation */
[all …]
/kernel/linux/linux-6.6/Documentation/RCU/
DRTFP.txt4 This document describes RCU-related publications, and is followed by
19 with short-lived threads, such as the K42 research operating system.
20 However, Linux has long-lived tasks, so more is needed.
23 serialization, which is an RCU-like mechanism that relies on the presence
27 that these overheads were not so expensive in the mid-80s. Nonetheless,
28 passive serialization appears to be the first deferred-destruction
30 has lapsed, so this approach may be used in non-GPL software, if desired.
34 In 1987, Rashid et al. described lazy TLB-flush [RichardRashid87a].
36 this paper helped inspire the update-side batching used in the later
38 a description of Argus that noted that use of out-of-date values can
[all …]
/kernel/linux/linux-5.10/kernel/events/
Dcore.c1 // SPDX-License-Identifier: GPL-2.0
6 * Copyright (C) 2008-2011 Red Hat, Inc., Ingo Molnar
7 * Copyright (C) 2008-2011 Red Hat, Inc., Peter Zijlstra
71 struct task_struct *p = tfc->p; in remote_function()
74 /* -EAGAIN */ in remote_function()
83 tfc->ret = -ESRCH; /* No such (running) process */ in remote_function()
88 tfc->ret = tfc->func(tfc->info); in remote_function()
92 * task_function_call - call a function on the cpu on which a task runs
102 * returns @func return value or -ESRCH or -ENXIO when the process isn't running
111 .ret = -EAGAIN, in task_function_call()
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/kernel/linux/linux-6.6/drivers/net/ethernet/intel/igb/
Digb.h1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright(c) 2007 - 2018 Intel Corporation. */
18 #include <linux/i2c-algo-bit.h>
119 * PTHRESH - MAC will consider prefetch if it has fewer than this number of
122 * HTHRESH - MAC will only prefetch if there are at least this many descriptors
125 * WTHRESH - RX descriptor writeback threshold - MAC will delay writing back
129 #define IGB_RX_PTHRESH ((hw->mac.type == e1000_i354) ? 12 : 8)
131 #define IGB_TX_PTHRESH ((hw->mac.type == e1000_i354) ? 20 : 8)
133 #define IGB_RX_WTHRESH ((hw->mac.type == e1000_82576 && \
134 (adapter->flags & IGB_FLAG_HAS_MSIX)) ? 1 : 4)
[all …]
/kernel/linux/linux-5.10/drivers/net/ethernet/intel/igb/
Digb.h1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright(c) 2007 - 2018 Intel Corporation. */
18 #include <linux/i2c-algo-bit.h>
119 * PTHRESH - MAC will consider prefetch if it has fewer than this number of
122 * HTHRESH - MAC will only prefetch if there are at least this many descriptors
125 * WTHRESH - RX descriptor writeback threshold - MAC will delay writing back
129 #define IGB_RX_PTHRESH ((hw->mac.type == e1000_i354) ? 12 : 8)
131 #define IGB_TX_PTHRESH ((hw->mac.type == e1000_i354) ? 20 : 8)
133 #define IGB_RX_WTHRESH ((hw->mac.type == e1000_82576 && \
134 (adapter->flags & IGB_FLAG_HAS_MSIX)) ? 1 : 4)
[all …]
/kernel/linux/linux-5.10/Documentation/RCU/
DRTFP.txt4 This document describes RCU-related publications, and is followed by
19 with short-lived threads, such as the K42 research operating system.
20 However, Linux has long-lived tasks, so more is needed.
23 serialization, which is an RCU-like mechanism that relies on the presence
27 that these overheads were not so expensive in the mid-80s. Nonetheless,
28 passive serialization appears to be the first deferred-destruction
30 has lapsed, so this approach may be used in non-GPL software, if desired.
34 In 1987, Rashid et al. described lazy TLB-flush [RichardRashid87a].
36 this paper helped inspire the update-side batching used in the later
38 a description of Argus that noted that use of out-of-date values can
[all …]

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