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/linux-6.12.1/tools/perf/pmu-events/arch/x86/ivytown/
Duncore-io.json17are acquired in the R2PCIe agent for sending transactions into the IIO on either NCB or NCS are in…
27are acquired in the R2PCIe agent for sending transactions into the IIO on either NCB or NCS are in…
37are acquired in the R2PCIe agent for sending transactions into the IIO on either NCB or NCS are in…
47 … available. NCB, or non-coherent bypass messages are used to transmit data without coherency (and…
57are in use. Transactions from the BL ring going into the IIO Agent must first acquire a credit. …
67are in use. Transactions from the BL ring going into the IIO Agent must first acquire a credit. …
77are in use. Transactions from the BL ring going into the IIO Agent must first acquire a credit. …
87 …stop. This includes when packets are passing by and when packets are being sunk, but does not inc…
97 …stop. This includes when packets are passing by and when packets are being sunk, but does not inc…
107 …stop. This includes when packets are passing by and when packets are being sunk, but does not inc…
[all …]
Duncore-cache.json224are passing by and when packets are being sunk, but does not include when packets are being sent f…
234are passing by and when packets are being sunk, but does not include when packets are being sent f…
244are passing by and when packets are being sunk, but does not include when packets are being sent f…
254are passing by and when packets are being sunk, but does not include when packets are being sent f…
264are passing by and when packets are being sunk, but does not include when packets are being sent f…
274are passing by and when packets are being sunk, but does not include when packets are being sent f…
284are passing by and when packets are being sunk, but does not include when packets are being sent f…
294are passing by and when packets are being sunk, but does not include when packets are being sent f…
304are passing by and when packets are being sunk, but does not include when packets are being sent f…
314are passing by and when packets are being sunk, but does not include when packets are being sent f…
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/linux-6.12.1/tools/perf/pmu-events/arch/x86/broadwellde/
Duncore-io.json53are acquired in the R2PCIe agent for sending transactions into the IIO on either NCB or NCS are in…
63are acquired in the R2PCIe agent for sending transactions into the IIO on either NCB or NCS are in…
73are acquired in the R2PCIe agent for sending transactions into the IIO on either NCB or NCS are in…
83are in use. Transactions from the BL ring going into the IIO Agent must first acquire a credit. …
93are in use. Transactions from the BL ring going into the IIO Agent must first acquire a credit. …
103are in use. Transactions from the BL ring going into the IIO Agent must first acquire a credit. …
113 …stop. This includes when packets are passing by and when packets are being sunk, but does not inc…
123 …stop. This includes when packets are passing by and when packets are being sunk, but does not inc…
133 …stop. This includes when packets are passing by and when packets are being sunk, but does not inc…
143 …stop. This includes when packets are passing by and when packets are being sunk, but does not inc…
[all …]
Duncore-cache.json32 …he number of cycles either the local distress or incoming distress signals are asserted. Incoming…
281are passing by and when packets are being sunk, but does not include when packets are being sent f…
291are passing by and when packets are being sunk, but does not include when packets are being sent f…
301are passing by and when packets are being sunk, but does not include when packets are being sent f…
311are passing by and when packets are being sunk, but does not include when packets are being sent f…
321are passing by and when packets are being sunk, but does not include when packets are being sent f…
331are passing by and when packets are being sunk, but does not include when packets are being sent f…
341are passing by and when packets are being sunk, but does not include when packets are being sent f…
351are passing by and when packets are being sunk, but does not include when packets are being sent f…
361are passing by and when packets are being sunk, but does not include when packets are being sent f…
[all …]
/linux-6.12.1/tools/perf/pmu-events/arch/x86/broadwellx/
Duncore-io.json53are acquired in the R2PCIe agent for sending transactions into the IIO on either NCB or NCS are in…
63are acquired in the R2PCIe agent for sending transactions into the IIO on either NCB or NCS are in…
73are acquired in the R2PCIe agent for sending transactions into the IIO on either NCB or NCS are in…
83are in use. Transactions from the BL ring going into the IIO Agent must first acquire a credit. …
93are in use. Transactions from the BL ring going into the IIO Agent must first acquire a credit. …
103are in use. Transactions from the BL ring going into the IIO Agent must first acquire a credit. …
113 …stop. This includes when packets are passing by and when packets are being sunk, but does not inc…
123 …stop. This includes when packets are passing by and when packets are being sunk, but does not inc…
133 …stop. This includes when packets are passing by and when packets are being sunk, but does not inc…
143 …stop. This includes when packets are passing by and when packets are being sunk, but does not inc…
[all …]
Duncore-cache.json9 …specified by the subevent. There are a number of subevent 'filters' but only a subset of the sube…
21 …specified by the subevent. There are a number of subevent 'filters' but only a subset of the sube…
33 …specified by the subevent. There are a number of subevent 'filters' but only a subset of the sube…
45 …specified by the subevent. There are a number of subevent 'filters' but only a subset of the sube…
57 …specified by the subevent. There are a number of subevent 'filters' but only a subset of the sube…
69 …specified by the subevent. There are a number of subevent 'filters' but only a subset of the sube…
81 …specified by the subevent. There are a number of subevent 'filters' but only a subset of the sube…
93 …specified by the subevent. There are a number of subevent 'filters' but only a subset of the sube…
105 …specified by the subevent. There are a number of subevent 'filters' but only a subset of the sube…
117 …specified by the subevent. There are a number of subevent 'filters' but only a subset of the sube…
[all …]
/linux-6.12.1/tools/perf/pmu-events/arch/x86/jaketown/
Duncore-io.json17are acquired in the R2PCIe agent for sending transactions into the IIO on either NCB or NCS are in…
27are acquired in the R2PCIe agent for sending transactions into the IIO on either NCB or NCS are in…
37are acquired in the R2PCIe agent for sending transactions into the IIO on either NCB or NCS are in…
47 … available. NCB, or non-coherent bypass messages are used to transmit data without coherency (and…
57 … available. NCB, or non-coherent bypass messages are used to transmit data without coherency (and…
67 … available. NCB, or non-coherent bypass messages are used to transmit data without coherency (and…
77are in use. Transactions from the BL ring going into the IIO Agent must first acquire a credit. …
87are in use. Transactions from the BL ring going into the IIO Agent must first acquire a credit. …
97are in use. Transactions from the BL ring going into the IIO Agent must first acquire a credit. …
107 …stop. This includes when packets are passing by and when packets are being sunk, but does not inc…
[all …]
Duncore-cache.json161are passing by and when packets are being sunk, but does not include when packets are being sent f…
171are passing by and when packets are being sunk, but does not include when packets are being sent f…
181are passing by and when packets are being sunk, but does not include when packets are being sent f…
191are passing by and when packets are being sunk, but does not include when packets are being sent f…
201are passing by and when packets are being sunk, but does not include when packets are being sent f…
211are passing by and when packets are being sunk, but does not include when packets are being sent f…
221are passing by and when packets are being sunk, but does not include when packets are being sent f…
231are passing by and when packets are being sunk, but does not include when packets are being sent f…
241are passing by and when packets are being sunk, but does not include when packets are being sent f…
251are passing by and when packets are being sunk, but does not include when packets are being sent f…
[all …]
/linux-6.12.1/tools/perf/pmu-events/arch/x86/haswellx/
Duncore-io.json53are acquired in the R2PCIe agent for sending transactions into the IIO on either NCB or NCS are in…
63are acquired in the R2PCIe agent for sending transactions into the IIO on either NCB or NCS are in…
73are acquired in the R2PCIe agent for sending transactions into the IIO on either NCB or NCS are in…
83are in use. Transactions from the BL ring going into the IIO Agent must first acquire a credit. …
93are in use. Transactions from the BL ring going into the IIO Agent must first acquire a credit. …
103are in use. Transactions from the BL ring going into the IIO Agent must first acquire a credit. …
113 …stop. This includes when packets are passing by and when packets are being sunk, but does not inc…
123 …stop. This includes when packets are passing by and when packets are being sunk, but does not inc…
133 …stop. This includes when packets are passing by and when packets are being sunk, but does not inc…
143 …stop. This includes when packets are passing by and when packets are being sunk, but does not inc…
[all …]
Duncore-cache.json9 …specified by the subevent. There are a number of subevent 'filters' but only a subset of the sube…
21 …specified by the subevent. There are a number of subevent 'filters' but only a subset of the sube…
33 …specified by the subevent. There are a number of subevent 'filters' but only a subset of the sube…
45 …specified by the subevent. There are a number of subevent 'filters' but only a subset of the sube…
57 …specified by the subevent. There are a number of subevent 'filters' but only a subset of the sube…
69 …specified by the subevent. There are a number of subevent 'filters' but only a subset of the sube…
81 …specified by the subevent. There are a number of subevent 'filters' but only a subset of the sube…
93 …specified by the subevent. There are a number of subevent 'filters' but only a subset of the sube…
105 …specified by the subevent. There are a number of subevent 'filters' but only a subset of the sube…
117 …specified by the subevent. There are a number of subevent 'filters' but only a subset of the sube…
[all …]
/linux-6.12.1/tools/perf/pmu-events/arch/arm64/arm/neoverse-n1/
Dexception.json4 … FIQ, SError, and other synchronous exceptions. Exceptions are counted whether or not they are tak…
12are taken locally that are due to attempting to execute an instruction that is UNDEFINED. Attempti…
20 …"PublicDescription": "Counts synchronous exceptions that are taken locally and caused by Instructi…
24 …ounts exceptions that are taken locally and are caused by data aborts or SErrors. Conditions that …
28 … "PublicDescription": "Counts IRQ exceptions including the virtual IRQs that are taken locally."
32 … "PublicDescription": "Counts FIQ exceptions including the virtual FIQs that are taken locally."
44 …"PublicDescription": "Counts exceptions which are traps not taken locally and are caused by Instru…
48 …tions which are traps not taken locally and are caused by Data Aborts or SError interrupts. Condit…
52 …ion": "Counts the number of synchronous trap exceptions which are not taken locally and are not SV…
56 …"PublicDescription": "Counts IRQ exceptions including the virtual IRQs that are not taken locally."
[all …]
/linux-6.12.1/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/
Dexception.json4 … FIQ, SError, and other synchronous exceptions. Exceptions are counted whether or not they are tak…
12are taken locally that are due to attempting to execute an instruction that is UNDEFINED. Attempti…
20 …"PublicDescription": "Counts synchronous exceptions that are taken locally and caused by Instructi…
24 …ounts exceptions that are taken locally and are caused by data aborts or SErrors. Conditions that …
28 … "PublicDescription": "Counts IRQ exceptions including the virtual IRQs that are taken locally."
32 … "PublicDescription": "Counts FIQ exceptions including the virtual FIQs that are taken locally."
44 …"PublicDescription": "Counts exceptions which are traps not taken locally and are caused by Instru…
48 …tions which are traps not taken locally and are caused by Data Aborts or SError interrupts. Condit…
52 …ion": "Counts the number of synchronous trap exceptions which are not taken locally and are not SV…
56 …"PublicDescription": "Counts IRQ exceptions including the virtual IRQs that are not taken locally."
[all …]
/linux-6.12.1/tools/perf/pmu-events/arch/arm64/arm/neoverse-v1/
Dexception.json4 … FIQ, SError, and other synchronous exceptions. Exceptions are counted whether or not they are tak…
12are taken locally that are due to attempting to execute an instruction that is UNDEFINED. Attempti…
20 …"PublicDescription": "Counts synchronous exceptions that are taken locally and caused by Instructi…
24 …ounts exceptions that are taken locally and are caused by data aborts or SErrors. Conditions that …
28 … "PublicDescription": "Counts IRQ exceptions including the virtual IRQs that are taken locally."
32 … "PublicDescription": "Counts FIQ exceptions including the virtual FIQs that are taken locally."
44 …"PublicDescription": "Counts exceptions which are traps not taken locally and are caused by Instru…
48 …tions which are traps not taken locally and are caused by Data Aborts or SError interrupts. Condit…
52 …ion": "Counts the number of synchronous trap exceptions which are not taken locally and are not SV…
56 …"PublicDescription": "Counts IRQ exceptions including the virtual IRQs that are not taken locally."
[all …]
/linux-6.12.1/Documentation/input/
Dgamepad.rst12 document defines how gamepads are supposed to report their data.
44 4 buttons in diamonds-shape (on the right side). The buttons are
56 all devices have both or any, but they are present at most times.
59 Triggers are located on the upper-side of the pad in vertical direction.
60 Not all devices provide them, but the upper buttons are normally named
63 Many devices provide force-feedback features. But are mostly just
79 All new gamepads are supposed to comply with this mapping. Please report any
82 There are a lot of less-featured/less-powerful devices out there, which re-use
103 of the labels on the buttons, the codes are sent according to the
106 Please note that 2- and 3-button pads are fairly rare and old. You might
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/linux-6.12.1/Documentation/fb/
Dapi.rst13 buffer core are not described.
24 Device and driver capabilities are reported in the fixed screen information
39 When supported, formats are configured using a FOURCC instead of manually
46 Pixels are stored in memory in hardware-dependent formats. Applications need
50 Formats are described by frame buffer types and visuals. Some visuals require
51 additional information, which are stored in the variable screen information
55 macropixels. Types describe how macropixels are stored in memory. The following
56 types and visuals are supported.
60 Macropixels are stored contiguously in a single plane. If the number of bits
61 per macropixel is not a multiple of 8, whether macropixels are padded to the
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/linux-6.12.1/sound/pci/cs46xx/
Dcs46xx.h173 * The following defines are for the flags in the host interrupt status
208 * The following defines are for the flags in the host signal register 0.
245 * The following defines are for the flags in the host interrupt control
252 * The following defines are for the flags in the DMA status register.
260 * The following defines are for the flags in the host DMA source address
275 * The following defines are for the flags in the host DMA destination address
290 * The following defines are for the flags in the host DMA control register.
299 * The following defines are for the flags in the host DMA control register.
329 * The following defines are for the flags in the performance monitor control
356 * The following defines are for the flags in the performance counter value 1
[all …]
/linux-6.12.1/Documentation/userspace-api/media/v4l/
Dcolorspaces.rst20 the human eye has color receptors that are sensitive to three different
22 color. Be glad you are not a mantis shrimp as those are sensitive to 12
27 color receptors are stimulated. This is based on the Spectral Power
35 those receptors and are perceived as the same color, even though the SPD
43 After some further mathematical transforms these stimuli are known as
45 color as perceived by a human unambiguously. These X, Y and Z values are
56 The x and y values are the chromaticity coordinates and can be used to
59 colors are specified with lower case 'x' and 'y', then the CIE xyY
64 will find reading resources that go into much more detail if you are
71 phosphors used in the displays. These *color primaries* are part of what
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/linux-6.12.1/Documentation/livepatch/
Dlivepatch.rst15 There are many situations where users are reluctant to reboot a system. It may
26 There are multiple mechanisms in the Linux kernel that are directly related
30 - The kernel probes are the most generic. The code can be redirected by
39 are in any way modified.
43 Most of these problems are solved by using the dynamic ftrace framework as
46 a live patch is called with the help of a custom ftrace handler. But there are
53 Functions are there for a reason. They take some input parameters, acquire or
60 Most of these changes are self contained and the function presents itself
64 But there are more complex fixes. For example, a patch might change
70 when it is safe to do so, e.g. when the affected locks are released
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/linux-6.12.1/tools/include/nolibc/
Dnolibc.h10 * All syscalls are declared as static functions so that they can be optimized
13 * Syscalls are split into 3 levels:
15 * assembly code in compound expressions. These are called my_syscall0() to
17 * are castto a long stored in a register. These expressions always return
23 * depending on the syscall definition. These functions are responsible
26 * A few of them are architecture-specific because the syscalls are not all
44 * Some stdint-like integer types are defined. These are valid on all currently
45 * supported architectures, because signs are enforced, ints are assumed to be
52 * The definitions start with the architecture-specific parts, which are picked
53 * based on what the compiler knows about the target architecture, and are
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/linux-6.12.1/Documentation/admin-guide/pm/
Dsuspend-flows.rst26 different sleep states of the system are quite similar, but there are some
36 states are mostly identical, so they both together will be referred to as
45 The following steps are taken in order to transition the system from the working
58 Tasks are frozen primarily in order to avoid unchecked hardware accesses
64 All user space tasks are intercepted as though they were sent a signal and
69 specific reasons are frozen subsequently, but they are not intercepted.
70 Instead, they are expected to periodically check whether or not they need
79 Devices are suspended in four phases called *prepare*, *suspend*,
87 phase and high-level ("action") interrupt handlers are prevented from being
90 Interrupts are still handled after that, but they are only acknowledged to
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/linux-6.12.1/Documentation/mm/
Dhugetlbfs_reserv.rst8 Huge pages as described at Documentation/admin-guide/mm/hugetlbpage.rst are
9 typically preallocated for application use. These huge pages are instantiated
11 are to be used. If no huge page exists at page fault time, the task is sent
26 This description is primarily targeted at kernel developers who are modifying
35 huge pages are only available to the task which reserved them.
60 The 'from' and 'to' fields of the file region structure are huge page
65 These are stored in the bottom bits of the reservation map pointer.
87 of mappings. Location differences are:
93 inode->i_mapping->private_data. Since shared mappings are always backed
101 Reservations are created when a huge page backed shared memory segment is
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/linux-6.12.1/tools/perf/pmu-events/arch/arm64/arm/cortex-a75/
Dpipeline.json21 "PublicDescription": "Duration for which all slots in the Load-Store Unit (LSU) are busy",
24 "BriefDescription": "Duration for which all slots in the Load-Store Unit (LSU) are busy"
27 …all slots in the load-store issue queue are busy. This event counts the cycles where all slots in …
30 …all slots in the load-store issue queue are busy. This event counts the cycles where all slots in …
33 … in the data processing issue queue are busy. This event counts the cycles where all slots in the …
36 … in the data processing issue queue are busy. This event counts the cycles where all slots in the …
39 …"PublicDescription": "Duration for which all slots in the data engine issue queue are busy. This e…
42 …"BriefDescription": "Duration for which all slots in the data engine issue queue are busy. This ev…
/linux-6.12.1/Documentation/admin-guide/device-mapper/
Dvdo-design.rst43 Most of a vdo's main data structures are designed to be easily divided into
75 there are diminishing returns to looking further back in time. Therefore,
98 Records are collected into groups called chapters. New records are added to
106 reading. The records are written to a series of record pages based on the
116 chapters are read-only structures and their contents are never altered in
123 in the index, while unreferenced block names are forgotten over time.
128 mapping is updated as records for the block name are copied or updated,
145 accessed pages are cached so that these page reads can be amortized across
148 The volume index and the chapter indexes are implemented using a
150 entire block name (the key) for each entry, the entries are sorted by name
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/linux-6.12.1/Documentation/process/
Dhowto.rst31 are not a good substitute for a solid C education and/or years of
32 experience, the following books are good for, if anything, reference:
39 adheres to the ISO C11 standard, it uses a number of extensions that are
42 portions of the C standard are not supported. Arbitrary long long
43 divisions and floating point are not allowed. It can sometimes be
49 Please remember that you are trying to learn how to work with the
54 possible about these standards ahead of time, as they are well
64 rules and how to use `SPDX <https://spdx.org/>`_ identifiers in source code are
67 not ask on the Linux kernel mailing list. The people on the mailing lists are
78 The Linux kernel source tree has a large range of documents that are
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/linux-6.12.1/Documentation/admin-guide/LSM/
DSmack.rst15 are encouraged to compare Smack with the other mechanisms
22 - Basic utilities, which are helpful but not required
32 configurations are intolerant of IP options and can impede
44 There are five commands included in smackutil:
56 These two commands are obsolete with the introduction of
78 objects. The attributes are stored in the extended attribute security
82 The extended attributes that Smack uses are:
118 There are multiple ways to set a Smack label on a file::
177 The following numbers are the categories::
189 The following numbers are the categories::
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