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/Documentation/tools/rtla/
Drtla-timerlat-top.rst2 rtla-timerlat-top
4 -------------------------------------------
6 -------------------------------------------
22 seem with the option **-T**.
35 **--aa-only** *us*
38 Print the auto-analysis if the system hits the stop tracing condition. This option
45 In the example below, the timerlat tracer is dispatched in cpus *1-23* in the
49 # timerlat -a 40 -c 1-23 -q
53 1 #12322 | 0 0 1 15 | 10 3 9 31
54 2 #12322 | 3 0 1 12 | 10 3 9 23
[all …]
Drtla-timerlat-hist.rst2 rtla-timerlat-hist
4 ------------------------------------------------
6 ------------------------------------------------
21 **osnoise:** tracepoints are enabled when using the **-T** option.
37 in the cpus *0-4*, *skipping zero* only lines. Moreover, **rtla timerlat
40 *1ms* period is also passed to the *timerlat* tracer. Auto-analysis is disabled
43 [root@alien ~]# timerlat hist -d 10m -c 0-4 -P d:100us:1ms -p 1000 --no-aa
47 …Index IRQ-000 Thr-000 IRQ-001 Thr-001 IRQ-002 Thr-002 IRQ-003 Thr-003 IRQ-004 …
568 53 85183 31 156751 229 9052 306 9026 39 …
579 22 10387 12 42762 161 2554 225 2689 19 …
[all …]
/Documentation/trace/postprocess/
Dtrace-pagealloc-postprocess.pl4 # to extract some high-level information on what is going on. The accuracy of the parser
7 # Example usage: trace-pagealloc-postprocess.pl < /sys/kernel/tracing/trace_pipe
9 # --prepend-parent Report on the parent proc and PID
10 # --read-procstat If the trace lacks process info, get it from /proc
11 # --ignore-pid Aggregate processes of the same name together
28 use constant STATE_PCPU_PAGES_DRAINED => 8;
29 use constant STATE_PCPU_PAGES_REFILLED => 9;
31 # High-level events extrapolated from tracepoints
52 if ($current_time - 2 > $sigint_received) {
53 print "SIGINT received, report pending. Hit ctrl-c again to exit\n";
[all …]
Dtrace-vmscan-postprocess.pl3 # page reclaim. It makes an attempt to extract some high-level information on
6 # Example usage: trace-vmscan-postprocess.pl < /sys/kernel/tracing/trace_pipe
8 # --read-procstat If the trace lacks process info, get it from /proc
9 # --ignore-pid Aggregate processes of the same name together
24 use constant MM_VMSCAN_WRITEPAGE_FILE_SYNC => 8;
25 use constant MM_VMSCAN_WRITEPAGE_ANON_SYNC => 9;
31 # Per-order events
43 # High-level events extrapolated from tracepoints
83 if ($current_time - 2 > $sigint_received) {
84 print "SIGINT received, report pending. Hit ctrl-c again to exit\n";
[all …]
/Documentation/translations/zh_CN/core-api/
Dpacking.rst1 .. SPDX-License-Identifier: GPL-2.0+
3 .. include:: ../disclaimer-zh_CN.rst
5 :Original: Documentation/core-api/packing.rst
22 --------
42 --------
46 - 将一个CPU可使用的数字打包到内存缓冲区中(具有硬件约束/特殊性)。
47 - 将内存缓冲区(具有硬件约束/特殊性)解压缩为一个CPU可使用的数字。
63 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
77 24 25 26 27 28 29 30 31 16 17 18 19 20 21 22 23 8 9 10 11 12 13 14 15 0 1 2 3 4 5 6 7
89 7 6 5 4 3 2 1 0 15 14 13 12 11 10 9 8 23 22 21 20 19 18 17 16 31 30 29 28 27 26 25 24
[all …]
/Documentation/userspace-api/media/v4l/
Dpixfmt-yuv-luma.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _yuv-luma-only:
6 Luma-Only Formats
14 - In all the tables that follow, bit 7 is the most significant bit in a byte.
15 - Formats are described with the minimum number of pixels needed to create a
16 byte-aligned repeating pattern. `...` indicates repetition of the pattern.
17 - Y'\ :sub:`x`\ [9:2] denotes bits 9 to 2 of the Y' value for pixel at column
19 - `0` denotes padding bits set to 0.
28 .. flat-table:: Luma-Only Image Formats
29 :header-rows: 1
[all …]
Dsubdev-formats.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _v4l2-mbus-format:
14 .. flat-table:: struct v4l2_mbus_framefmt
15 :header-rows: 0
16 :stub-columns: 0
19 * - __u32
20 - ``width``
21 - Image width in pixels.
22 * - __u32
23 - ``height``
[all …]
/Documentation/devicetree/bindings/pci/
Dintel,ixp4xx-pci.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pci/intel,ixp4xx-pci.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Linus Walleij <linus.walleij@linaro.org>
15 - $ref: /schemas/pci/pci-host-bridge.yaml#
20 - enum:
21 - intel,ixp42x-pci
22 - intel,ixp43x-pci
28 - description: IXP4xx-specific registers
[all …]
/Documentation/core-api/
Dpacking.rst6 -----------------
10 One can memory-map a pointer to a carefully crafted struct over the hardware
23 were performed byte-by-byte. Also the code can easily get cluttered, and the
24 high-level idea might get lost among the many bit shifts required.
25 Many drivers take the bit-shifting approach and then attempt to reduce the
30 ------------
34 - Packing a CPU-usable number into a memory buffer (with hardware
36 - Unpacking a memory buffer (which has hardware constraints/quirks)
37 into a CPU-usable number.
57 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
[all …]
/Documentation/devicetree/bindings/leds/
Dleds-lp55xx.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/leds-lp55xx.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jacek Anaszewski <jacek.anaszewski@gmail.com>
11 - Pavel Machek <pavel@ucw.cz>
27 - national,lp5521
28 - national,lp5523
29 - ti,lp55231
30 - ti,lp5562
[all …]
/Documentation/devicetree/bindings/dma/
Drenesas,rcar-dmac.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/dma/renesas,rcar-dmac.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Renesas R-Car and RZ/G DMA Controller
10 - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
13 - $ref: dma-controller.yaml#
18 - items:
19 - enum:
20 - renesas,dmac-r8a7742 # RZ/G1H
[all …]
/Documentation/devicetree/bindings/interrupt-controller/
Dti,pruss-intc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/interrupt-controller/ti,pruss-intc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: TI PRU-ICSS Local Interrupt Controller
10 - Suman Anna <s-anna@ti.com>
13 Each PRU-ICSS has a single interrupt controller instance that is common
19 remaining 8 (2 through 9) connected to external interrupt controllers
22 The property "ti,irqs-reserved" is used for denoting the connection
23 differences on the output interrupts 2 through 9. If this property is not
[all …]
/Documentation/devicetree/bindings/sound/
Dsprd-pcm.txt4 - compatible: Should be "sprd,pcm-platform".
5 - dmas: Specify the list of DMA controller phandle and DMA request line ordered pairs.
6 - dma-names: Identifier string for each DMA request line in the dmas property.
12 compatible = "sprd,pcm-platform";
16 <&agcp_dma 7 7>, <&agcp_dma 8 8>,
17 <&agcp_dma 9 9>, <&agcp_dma 10 10>;
18 dma-names = "normal_p_l", "normal_p_r",
Dnvidia,tegra210-admaif.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/nvidia,tegra210-admaif.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
17 - Jon Hunter <jonathanh@nvidia.com>
18 - Sameer Pujar <spujar@nvidia.com>
22 pattern: "^admaif@[0-9a-f]*$"
26 - enum:
27 - nvidia,tegra210-admaif
28 - nvidia,tegra186-admaif
[all …]
/Documentation/translations/zh_CN/scheduler/
Dsched-stats.rst1 .. SPDX-License-Identifier: GPL-2.0
2 .. include:: ../disclaimer-zh_CN.rst
4 :Original: Documentation/scheduler/sched-stats.rst
18 主线2.6.20,不过这一版schedstats与2.6.13-2.6.19内核的版本12的统计数据是完全
39 -----------
40 cpu<N> 1 2 3 4 5 6 7 8 9
61 8) 本处理器任务等待运行的时间,单位是纳秒
62 9) 本CPU运行了#个时间片
65 ----------
70 domain<N> <cpumask> 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 3…
[all …]
/Documentation/devicetree/bindings/clock/
Dmvebu-gated-clock.txt12 -----------------------------------
19 9 pex1 PCIe Cntrl 1
29 -----------------------------------
35 8 audio Audio Cntrl
56 -----------------------------------
64 8 pex0 PCIe 0
65 9 usb3h0 USB3 Host 0
83 -----------------------------------
87 8 pex0 PCIe 0
88 9 usb3h0 USB3 Host 0
[all …]
/Documentation/devicetree/bindings/mtd/
Ddenali,nand.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Masahiro Yamada <yamada.masahiro@socionext.com>
15 - altr,socfpga-denali-nand
16 - socionext,uniphier-denali-nand-v5a
17 - socionext,uniphier-denali-nand-v5b
19 reg-names:
25 - const: nand_data
26 - const: denali_reg
[all …]
/Documentation/devicetree/bindings/ufs/
Dqcom,ufs.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Bjorn Andersson <bjorn.andersson@linaro.org>
11 - Andy Gross <agross@kernel.org>
13 # Select only our matches, not all jedec,ufs-2.0
20 - compatible
25 - enum:
26 - qcom,msm8994-ufshc
27 - qcom,msm8996-ufshc
[all …]
/Documentation/devicetree/bindings/gpio/
Dsocionext,uniphier-gpio.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/gpio/socionext,uniphier-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Masahiro Yamada <yamada.masahiro@socionext.com>
14 pattern: "^gpio@[0-9a-f]+$"
17 const: socionext,uniphier-gpio
22 gpio-controller: true
24 "#gpio-cells":
27 interrupt-controller: true
[all …]
/Documentation/devicetree/bindings/regulator/
Dsamsung,s5m8767.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <krzk@kernel.org>
23 "^LDO([1-9]|1[0-9]|2[0-8])$":
38 0 - always off mode
39 1 - on in normal mode
40 2 - low power mode
41 3 - suspend mode
44 - regulator-name
[all …]
/Documentation/gpu/amdgpu/display/
Dpipeline_4k_no_split.svg1 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
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17 inkscape:version="0.92.5 (2060ec1f9f, 2020-04-08)"
31 …style="fill:#aa00d4;fill-opacity:1;fill-rule:evenodd;stroke:#aa00d4;stroke-width:0.625;stroke-line…
32 …d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354…
33 transform="scale(-0.6)"
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46 …style="fill:#ff0000;fill-opacity:1;fill-rule:evenodd;stroke:#ff0000;stroke-width:0.625;stroke-line…
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31 …style="fill:#aa00d4;fill-opacity:1;fill-rule:evenodd;stroke:#aa00d4;stroke-width:0.625;stroke-line…
32 …d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354…
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/Documentation/devicetree/bindings/power/supply/
Dti,lp8727.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Reichel <sre@kernel.org>
13 - $ref: power-supply.yaml#
25 debounce-ms:
34 charger-type:
36 - ac
37 - usb
39 eoc-level:
[all …]
/Documentation/devicetree/bindings/mfd/
Dactions,atc260x.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
11 - Cristian Ciocaltea <cristian.ciocaltea@gmail.com>
16 (i.e. regulators and system power-off/reboot) for the ATC2603C and ATC2609A
18 ATC2603C includes 3 programmable DC-DC converters, 9 programmable LDO
20 ATC2609A includes 5 programmable DC-DC converters and 10 programmable LDO
24 - $ref: /schemas/input/input.yaml
29 - actions,atc2603c
[all …]
/Documentation/devicetree/bindings/iio/adc/
Dadi,ad7173.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Ceclan Dumitru <dumitru.ceclan@analog.com>
15 The AD717x family offer a complete integrated Sigma-Delta ADC solution which
18 (Factory Automation PLC Input modules). The Sigma-Delta ADC is intended
23 The AD411X family encompasses a series of low power, low noise, 24-bit,
24 sigma-delta analog-to-digital converters that offer a versatile range of
26 fully differential/single-ended and bipolar voltage inputs.
29 https://www.analog.com/media/en/technical-documentation/data-sheets/AD4111.pdf
[all …]

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