| /linux/Documentation/core-api/ |
| H A D | this_cpu_ops.rst | 8 this_cpu operations are a way of optimizing access to per cpu
9 variables associated with the *currently* executing processor. This is
11 the cpu permanently stored the beginning of the per cpu area for a
12 specific processor).
14 this_cpu operations add a per cpu variable offset to the processor
15 specific per cpu base and encode that operation in the instruction
16 operating on the per cpu variable.
21 processor is not changed between the calculation of the address and
24 Read-modify-write operations are of particular interest. Frequently
32 synchronization is not necessary since we are dealing with per cpu
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| /linux/tools/perf/pmu-events/arch/x86/goldmontplus/ |
| H A D | cache.json | 20 "BriefDescription": "Cycles code-fetch stalled due to an outstanding ICache miss.",
33 …from the intra-die interconnect (IDI) fabric. The XQ may reject transactions from the L2Q (non-cac…
72 …processor) in the system, one of those caching agents indicated that they had a dirty copy of the …
176 "BriefDescription": "Memory uops retired that split a cache-line (Precise event capable)",
187 "BriefDescription": "Load uops retired that split a cache-line (Precise event capable)",
198 "BriefDescription": "Stores uops retired that split a cache-line (Precise event capable)",
239 …ads (demand & prefetch) miss the L2 cache with a snoop hit in the other processor module, data for…
245 …ads (demand & prefetch) miss the L2 cache with a snoop hit in the other processor module, data for…
250 …s (demand & prefetch) true miss for the L2 cache with a snoop miss in the other processor module.",
256 …d & prefetch) true miss for the L2 cache with a snoop miss in the other processor module. Require…
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| H A D | pipeline.json | 116 …branch instructions retired, where the target address taken was not what the processor predicted.",
126 … supposed to be taken and when it was not supposed to be taken (but the processor predicted the op…
136 …t call or near indirect jmp, where the target address taken was not what the processor predicted.",
146 …branch instructions retired, where the return address taken was not what the processor predicted.",
156 …Met) branch instructions retired that were supposed to be taken but the processor predicted that i…
229 "BriefDescription": "Instructions retired - using Reduced Skid PEBS feature",
238 "BriefDescription": "Unfilled issue slots per cycle",
242 … slots per core cycle that were not consumed by the backend due to either a full resource in the …
246 "BriefDescription": "Unfilled issue slots per cycle to recover",
250 …slots per core cycle that were not consumed by the backend because allocation is stalled waiting f…
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| /linux/tools/perf/pmu-events/arch/x86/elkhartlake/ |
| H A D | ehl-metrics.json | 4 "BriefDescription": "Instructions Per Cycle (per Logical Processor)",
9 "BriefDescription": "Cycles Per Instruction (per Logical Processor)",
14 … "BriefDescription": "Per-Logical Processor actual clocks when the Logical Processor is active.",
19 … "BriefDescription": "Number of Instructions per non-speculative Branch Misprediction (JEClear)",
24 "BriefDescription": "Instructions per Branch (lower number means higher occurrence rate)",
34 "BriefDescription": "Average per-core data fill bandwidth to the L3 cache [GB / sec]",
|
| /linux/Documentation/devicetree/bindings/remoteproc/ |
| H A D | ti,keystone-rproc.txt | 5 sub-systems that are used to offload some of the processor-intensive tasks or
8 These processor sub-systems usually contain additional sub-modules like L1
10 a dedicated local power/sleep controller etc. The DSP processor core in
11 Keystone 2 SoCs is usually a TMS320C66x CorePac processor.
15 Each DSP Core sub-system is represented as a single DT node, and should also
17 or optional properties that enable the OS running on the host processor (ARM
18 CorePac) to perform the device management of the remote processor and to
19 communicate with the remote processor.
22 --------------------
25 - compatible: Should be one of the following,
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| H A D | ti,omap-remoteproc.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/remoteproc/ti,omap-remoteproc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Suman Anna <s-anna@ti.com>
13 The OMAP family of SoCs usually have one or more slave processor sub-systems
14 that are used to offload some of the processor-intensive tasks, or to manage
17 The processor cores in the sub-system are usually behind an IOMMU, and may
18 contain additional sub-modules like Internal RAM and/or ROMs, L1 and/or L2
21 The OMAP SoCs usually have a DSP processor sub-system and/or an IPU processor
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| H A D | ti,k3-dsp-rproc.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/remoteproc/ti,k3-dsp-rproc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Suman Anna <s-anna@ti.com>
13 The TI K3 family of SoCs usually have one or more TI DSP Core sub-systems
14 that are used to offload some of the processor-intensive tasks or algorithms,
17 These processor sub-systems usually contain additional sub-modules like
19 controller, a dedicated local power/sleep controller etc. The DSP processor
20 cores in the K3 SoCs are usually either a TMS320C66x CorePac processor or a
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|
| /linux/tools/power/x86/x86_energy_perf_policy/ |
| H A D | x86_energy_perf_policy.8 | 1 .\" This page Copyright (C) 2010 - 2015 Len Brown <len.brown@intel.com>
5 x86_energy_perf_policy \- Manage Energy vs. Performance Policy via x86 Model Specific Registers
10 .RB "scope: \-\-cpu\ cpu-list | \-\-pkg\ pkg-list"
12 .RB "cpu-list, pkg-list: # | #,# | #-# | all"
14 .RB "field: \-\-all | \-\-epb | \-\-hwp-epp | \-\-hwp-min | \-\-hwp-max | \-\-hwp-desired"
16 .RB "other: (\-\-force | \-\-hwp-enable | \-\-turbo-enable) value)"
18 .RB "value: # | default | performance | balance-performance | balance-power | power"
21 displays and updates energy-performance policy settings specific to
23 updates, no matter if the Linux cpufreq sub-system is enabled or not.
27 such as how aggressively the hardware enters and exits CPU idle states (C-states)
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| /linux/drivers/media/platform/mediatek/mdp/ |
| H A D | mtk_mdp_core.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (c) 2015-2016 MediaTek Inc.
12 #include <media/v4l2-ctrls.h>
13 #include <media/v4l2-device.h>
14 #include <media/v4l2-mem2mem.h>
15 #include <media/videobuf2-core.h>
16 #include <media/videobuf2-dma-contig.h>
22 #define MTK_MDP_MODULE_NAME "mtk-mdp"
34 * struct mtk_mdp_pix_align - alignment of image
48 * struct mtk_mdp_fmt - the driver's internal color format data
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| /linux/tools/perf/pmu-events/arch/x86/haswell/ |
| H A D | hsw-metrics.json | 3 "BriefDescription": "C2 residency percent per package",
4 "MetricExpr": "cstate_pkg@c2\\-residency@ / TSC",
10 "BriefDescription": "C3 residency percent per core",
11 "MetricExpr": "cstate_core@c3\\-residency@ / TSC",
17 "BriefDescription": "C3 residency percent per package",
18 "MetricExpr": "cstate_pkg@c3\\-residency@ / TSC",
24 "BriefDescription": "C6 residency percent per core",
25 "MetricExpr": "cstate_core@c6\\-residency@ / TSC",
31 "BriefDescription": "C6 residency percent per package",
32 "MetricExpr": "cstate_pkg@c6\\-residency@ / TSC",
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| /linux/Documentation/admin-guide/pm/ |
| H A D | intel_pstate.rst | 1 .. SPDX-License-Identifier: GPL-2.0
22 Documentation/admin-guide/pm/cpufreq.rst if you have not done that yet.]
24 For the processors supported by ``intel_pstate``, the P-state concept is broader
27 information about that). For this reason, the representation of P-states used
32 ``intel_pstate`` maps its internal representation of P-states to frequencies too
38 Since the hardware P-state selection interface used by ``intel_pstate`` is
43 time the corresponding CPU is taken offline and need to be re-initialized when
47 only way to pass early-configuration-time parameters to it is via the kernel
63 the processor.
66 -----------
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| /linux/tools/perf/pmu-events/arch/x86/broadwellde/ |
| H A D | bdwde-metrics.json | 3 "BriefDescription": "C2 residency percent per package",
4 "MetricExpr": "cstate_pkg@c2\\-residency@ / TSC",
10 "BriefDescription": "C3 residency percent per core",
11 "MetricExpr": "cstate_core@c3\\-residency@ / TSC",
17 "BriefDescription": "C3 residency percent per package",
18 "MetricExpr": "cstate_pkg@c3\\-residency@ / TSC",
24 "BriefDescription": "C6 residency percent per core",
25 "MetricExpr": "cstate_core@c6\\-residency@ / TSC",
31 "BriefDescription": "C6 residency percent per package",
32 "MetricExpr": "cstate_pkg@c6\\-residency@ / TSC",
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| /linux/tools/perf/pmu-events/arch/x86/ivybridge/ |
| H A D | ivb-metrics.json | 3 "BriefDescription": "C2 residency percent per package",
4 "MetricExpr": "cstate_pkg@c2\\-residency@ / TSC",
10 "BriefDescription": "C3 residency percent per core",
11 "MetricExpr": "cstate_core@c3\\-residency@ / TSC",
17 "BriefDescription": "C3 residency percent per package",
18 "MetricExpr": "cstate_pkg@c3\\-residency@ / TSC",
24 "BriefDescription": "C6 residency percent per core",
25 "MetricExpr": "cstate_core@c6\\-residency@ / TSC",
31 "BriefDescription": "C6 residency percent per package",
32 "MetricExpr": "cstate_pkg@c6\\-residency@ / TSC",
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| /linux/tools/perf/pmu-events/arch/x86/sandybridge/ |
| H A D | snb-metrics.json | 3 "BriefDescription": "C2 residency percent per package",
4 "MetricExpr": "cstate_pkg@c2\\-residency@ / TSC",
10 "BriefDescription": "C3 residency percent per core",
11 "MetricExpr": "cstate_core@c3\\-residency@ / TSC",
17 "BriefDescription": "C3 residency percent per package",
18 "MetricExpr": "cstate_pkg@c3\\-residency@ / TSC",
24 "BriefDescription": "C6 residency percent per core",
25 "MetricExpr": "cstate_core@c6\\-residency@ / TSC",
31 "BriefDescription": "C6 residency percent per package",
32 "MetricExpr": "cstate_pkg@c6\\-residency@ / TSC",
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| /linux/tools/perf/Documentation/ |
| H A D | perf-stat.txt | 1 perf-stat(1)
5 ----
6 perf-stat - Run a command and gather performance counter statistics
9 --------
11 'perf stat' [-e <EVENT> | --event=EVENT] [-a] <command>
12 'perf stat' [-e <EVENT> | --event=EVENT] [-a] \-- <command> [<options>]
13 'perf stat' [-e <EVENT> | --event=EVENT] [-a] record [-o file] \-- <command> [<options>]
14 'perf stat' report [-i file]
17 -----------
23 -------
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| /linux/tools/perf/pmu-events/arch/x86/broadwell/ |
| H A D | bdw-metrics.json | 3 "BriefDescription": "C2 residency percent per package",
4 "MetricExpr": "cstate_pkg@c2\\-residency@ / TSC",
10 "BriefDescription": "C3 residency percent per core",
11 "MetricExpr": "cstate_core@c3\\-residency@ / TSC",
17 "BriefDescription": "C3 residency percent per package",
18 "MetricExpr": "cstate_pkg@c3\\-residency@ / TSC",
24 "BriefDescription": "C6 residency percent per core",
25 "MetricExpr": "cstate_core@c6\\-residency@ / TSC",
31 "BriefDescription": "C6 residency percent per package",
32 "MetricExpr": "cstate_pkg@c6\\-residency@ / TSC",
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|
| /linux/tools/perf/pmu-events/arch/x86/jaketown/ |
| H A D | jkt-metrics.json | 3 "BriefDescription": "C2 residency percent per package",
4 "MetricExpr": "cstate_pkg@c2\\-residency@ / TSC",
10 "BriefDescription": "C3 residency percent per core",
11 "MetricExpr": "cstate_core@c3\\-residency@ / TSC",
17 "BriefDescription": "C3 residency percent per package",
18 "MetricExpr": "cstate_pkg@c3\\-residency@ / TSC",
24 "BriefDescription": "C6 residency percent per core",
25 "MetricExpr": "cstate_core@c6\\-residency@ / TSC",
31 "BriefDescription": "C6 residency percent per package",
32 "MetricExpr": "cstate_pkg@c6\\-residency@ / TSC",
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|
| /linux/tools/perf/pmu-events/arch/x86/ivytown/ |
| H A D | ivt-metrics.json | 3 "BriefDescription": "C2 residency percent per package",
4 "MetricExpr": "cstate_pkg@c2\\-residency@ / TSC",
10 "BriefDescription": "C3 residency percent per core",
11 "MetricExpr": "cstate_core@c3\\-residency@ / TSC",
17 "BriefDescription": "C3 residency percent per package",
18 "MetricExpr": "cstate_pkg@c3\\-residency@ / TSC",
24 "BriefDescription": "C6 residency percent per core",
25 "MetricExpr": "cstate_core@c6\\-residency@ / TSC",
31 "BriefDescription": "C6 residency percent per package",
32 "MetricExpr": "cstate_pkg@c6\\-residency@ / TSC",
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| /linux/arch/arm/include/asm/ |
| H A D | proc-fns.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * arch/arm/include/asm/proc-fns.h
5 * Copyright (C) 1997-1999 Russell King
13 #include <asm/glue-proc.h>
21 * Don't change this structure - ASM code relies on it.
23 struct processor { struct
33 * Set up any processor specifics argument
37 * Check for processor bugs argument
41 * Disable any processor specifics argument
49 * Idle the processor argument
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| /linux/tools/perf/pmu-events/arch/x86/haswellx/ |
| H A D | hsx-metrics.json | 3 "BriefDescription": "C2 residency percent per package",
4 "MetricExpr": "cstate_pkg@c2\\-residency@ / TSC",
10 "BriefDescription": "C3 residency percent per core",
11 "MetricExpr": "cstate_core@c3\\-residency@ / TSC",
17 "BriefDescription": "C3 residency percent per package",
18 "MetricExpr": "cstate_pkg@c3\\-residency@ / TSC",
24 "BriefDescription": "C6 residency percent per core",
25 "MetricExpr": "cstate_core@c6\\-residency@ / TSC",
31 "BriefDescription": "C6 residency percent per package",
32 "MetricExpr": "cstate_pkg@c6\\-residency@ / TSC",
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| /linux/tools/perf/pmu-events/arch/x86/tigerlake/ |
| H A D | tgl-metrics.json | 3 "BriefDescription": "C10 residency percent per package",
4 "MetricExpr": "cstate_pkg@c10\\-residency@ / TSC",
10 "BriefDescription": "C2 residency percent per package",
11 "MetricExpr": "cstate_pkg@c2\\-residency@ / TSC",
17 "BriefDescription": "C3 residency percent per package",
18 "MetricExpr": "cstate_pkg@c3\\-residency@ / TSC",
24 "BriefDescription": "C6 residency percent per core",
25 "MetricExpr": "cstate_core@c6\\-residency@ / TSC",
31 "BriefDescription": "C6 residency percent per package",
32 "MetricExpr": "cstate_pkg@c6\\-residency@ / TSC",
[all …]
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| /linux/tools/perf/pmu-events/arch/x86/broadwellx/ |
| H A D | bdx-metrics.json | 3 "BriefDescription": "C2 residency percent per package",
4 "MetricExpr": "cstate_pkg@c2\\-residency@ / TSC",
10 "BriefDescription": "C3 residency percent per core",
11 "MetricExpr": "cstate_core@c3\\-residency@ / TSC",
17 "BriefDescription": "C3 residency percent per package",
18 "MetricExpr": "cstate_pkg@c3\\-residency@ / TSC",
24 "BriefDescription": "C6 residency percent per core",
25 "MetricExpr": "cstate_core@c6\\-residency@ / TSC",
31 "BriefDescription": "C6 residency percent per package",
32 "MetricExpr": "cstate_pkg@c6\\-residency@ / TSC",
[all …]
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| /linux/tools/perf/pmu-events/arch/x86/goldmont/ |
| H A D | pipeline.json | 116 …branch instructions retired, where the target address taken was not what the processor predicted.",
126 … supposed to be taken and when it was not supposed to be taken (but the processor predicted the op…
136 …t call or near indirect jmp, where the target address taken was not what the processor predicted.",
146 …branch instructions retired, where the return address taken was not what the processor predicted.",
156 …Met) branch instructions retired that were supposed to be taken but the processor predicted that i…
228 "BriefDescription": "Unfilled issue slots per cycle",
232 … slots per core cycle that were not consumed by the backend due to either a full resource in the …
236 "BriefDescription": "Unfilled issue slots per cycle to recover",
240 …slots per core cycle that were not consumed by the backend because allocation is stalled waiting f…
245 … "BriefDescription": "Unfilled issue slots per cycle because of a full resource in the backend",
[all …]
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| /linux/tools/perf/pmu-events/arch/x86/rocketlake/ |
| H A D | rkl-metrics.json | 3 "BriefDescription": "C10 residency percent per package",
4 "MetricExpr": "cstate_pkg@c10\\-residency@ / TSC",
10 "BriefDescription": "C2 residency percent per package",
11 "MetricExpr": "cstate_pkg@c2\\-residency@ / TSC",
17 "BriefDescription": "C3 residency percent per package",
18 "MetricExpr": "cstate_pkg@c3\\-residency@ / TSC",
24 "BriefDescription": "C6 residency percent per core",
25 "MetricExpr": "cstate_core@c6\\-residency@ / TSC",
31 "BriefDescription": "C6 residency percent per package",
32 "MetricExpr": "cstate_pkg@c6\\-residency@ / TSC",
[all …]
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| /linux/tools/perf/pmu-events/arch/x86/icelake/ |
| H A D | icl-metrics.json | 3 "BriefDescription": "C10 residency percent per package",
4 "MetricExpr": "cstate_pkg@c10\\-residency@ / TSC",
10 "BriefDescription": "C2 residency percent per package",
11 "MetricExpr": "cstate_pkg@c2\\-residency@ / TSC",
17 "BriefDescription": "C3 residency percent per package",
18 "MetricExpr": "cstate_pkg@c3\\-residency@ / TSC",
24 "BriefDescription": "C6 residency percent per core",
25 "MetricExpr": "cstate_core@c6\\-residency@ / TSC",
31 "BriefDescription": "C6 residency percent per package",
32 "MetricExpr": "cstate_pkg@c6\\-residency@ / TSC",
[all …]
|