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/Linux-v5.15/drivers/ptp/
DKconfig65 timer as a PTP clock. This clock is only useful if your PTP
85 clock. This clock is only useful if your PTP programs are
100 core. This clock is only useful if the MII bus of your MAC
115 This clock is only useful if your PTP programs are getting
129 clock. This clock is only useful if you are using KVM guests.
140 clock. This clock is only useful if your time stamping MAC
152 clock. This clock is only useful if your time stamping MAC
164 clock device as a PTP clock. This is only useful in virtual
/Linux-v5.15/tools/perf/pmu-events/arch/x86/amdzen3/
Dfloating-point.json46 …. See 2.1.17.3 [Large Increment per Cycle Events]. It does not provide a useful count without the …
52 …. See 2.1.17.3 [Large Increment per Cycle Events]. It does not provide a useful count without the …
58 …. See 2.1.17.3 [Large Increment per Cycle Events]. It does not provide a useful count without the …
64 …. See 2.1.17.3 [Large Increment per Cycle Events]. It does not provide a useful count without the …
70 …Scalar Ops optimized. This is a dispatch based speculative event, and is useful for measuring the …
76 … either set or pass). This is a dispatch based speculative event, and is useful for measuring the …
82 … Move Ops eliminated. This is a dispatch based speculative event, and is useful for measuring the …
88 …mber of SSE Move Ops. This is a dispatch based speculative event, and is useful for measuring the …
/Linux-v5.15/Documentation/RCU/
Dlockdep.rst40 rcu_read_lock_held(). This is useful in code that is
44 rcu_read_lock_bh_held(). This is useful in code that
48 rcu_read_lock_sched_held(). This is useful in code that
52 srcu_read_lock_held(). This is useful in code that
58 and compiler constraints. This is useful when the data
64 or coalescsing. This is useful when when testing the
/Linux-v5.15/sound/soc/fsl/
DKconfig14 This option is only useful for out-of-tree drivers since
25 This option is only useful for out-of-tree drivers since
35 This option is only useful for out-of-tree drivers since
53 This option is only useful for out-of-tree drivers since
65 This option is only useful for out-of-tree drivers since
75 This option is only useful for out-of-tree drivers since
126 This option is only useful for out-of-tree drivers since
147 This option is only useful for out-of-tree drivers since
/Linux-v5.15/drivers/gpu/drm/
Ddrm_atomic_state_helper.c68 * values. This is useful for drivers that subclass the CRTC state.
88 * This is useful for drivers that subclass the CRTC state.
129 * This is useful for drivers that subclass the CRTC state.
188 * the memory of the CRTC state. This is useful for drivers that subclass the
241 * values. This is useful for drivers that subclass the CRTC state.
264 * This is useful for drivers that subclass the plane state.
300 * Copies atomic state from a plane's current state. This is useful for
345 * the memory of the plane state. This is useful for drivers that subclass the
385 * values. This is useful for drivers that subclass the connector state.
405 * This is useful for drivers that subclass the connector state.
[all …]
/Linux-v5.15/Documentation/process/
Dclang-format.rst12 - Quickly reformat a block of code to the kernel style. Specially useful
18 - Help you follow the coding style rules, specially useful for those
59 Counting the lines of such a diff is also useful for improving/tweaking
91 useful when moving code around, for complex code that is deeply intended,
96 it can be very useful.
182 They are typically useful for block re-formatting, rather than full-file.
/Linux-v5.15/arch/x86/
DKconfig.debug24 This is useful for kernel debugging when your machine crashes very
37 This is useful for kernel debugging when your machine crashes very
111 Add a simple leak tracer to the IOMMU code. This is useful when you
123 This option is useful for checking the sanity of x86 instruction
198 and overlapping. This option is really only useful if you are
274 useful in many cases. Unlike the other unwinders, it has no runtime
/Linux-v5.15/Documentation/dev-tools/kunit/
Dkunit-tool.rst32 which is useful if you have several different groups of tests you wish
75 which is useful if you want to make manual changes to part of the process.
103 for a guide to some of the more useful ones.
135 This is very useful if you wish to run tests in a configuration not supported
199 Other Useful Options
202 kunit_tool has a number of other command-line arguments which can be useful
205 Some of the more useful ones are:
/Linux-v5.15/drivers/nvme/target/
DKconfig14 functionality useful.
37 This enables the NVMe loopback device support, which can be useful
72 This enables the NVMe FC loopback test support, which can be useful
/Linux-v5.15/include/video/
Dtgafb.h69 * Useful defines for managing the registers
110 * Useful defines for managing the ICS1562 PLL clock
118 * Useful defines for managing the BT485 on the 8-plane TGA
144 * Useful defines for managing the BT463 on the 24-plane TGAs/SFB+s
172 * Useful defines for managing the BT459 on the 8-plane SFB+s
/Linux-v5.15/drivers/input/
DKconfig59 useful for out-of-tree drivers since in-tree drivers
72 useful for out-of-tree drivers since in-tree drivers
153 the system log. While this is useful for debugging, it's also
167 requested suspend through APM. This is useful on embedded
/Linux-v5.15/include/drm/
Ddrm_atomic_helper.h156 * This iterates over the current state, useful (for example) when applying
158 * planes which *will* be attached (more useful in code called from
171 * attached if the specified state is applied. Useful during for example
185 * attached if the specified state is applied. Useful during for example
190 * const plane_state. This is useful when a driver just wants to peek at other
/Linux-v5.15/drivers/atm/
DKconfig21 Dummy ATM driver. Useful for proxy signalling, testing,
28 ATM over TCP driver. Useful mainly for development and for
225 Somewhat useful debugging messages are available. The choice of
239 an open connection in the raw cell queue of the driver. Useful
260 Somewhat useful debugging messages are available. The choice of
284 Somewhat useful debugging messages are available. The choice of
317 Somewhat useful debugging messages are available. The choice of
/Linux-v5.15/tools/perf/Documentation/
Dperf-stat.txt160 This can be useful to measure just elapsed wall-clock time - or to assess the
297 is a useful mode to detect imbalance between sockets. To enable this mode,
300 useful to gauge the amount of aggregation.
304 is a useful mode to detect imbalance between dies. To enable this mode,
307 useful to gauge the amount of aggregation.
311 is a useful mode to detect imbalance between physical cores. To enable this mode,
321 is a useful mode to detect imbalance between NUMA nodes. To enable this
327 disabled). This is useful to filter out the startup phase of the program,
355 Don't print output. This is useful with perf stat record below to only
463 In practice, the percentages of SMI cycles is very useful for performance
/Linux-v5.15/Documentation/core-api/
Dtimekeeping.rst20 Useful for reliable timestamps and measuring short time intervals
49 This is rarely useful in the kernel.
124 reading the 'jiffies' variable. These are only useful when called
140 This is useful in some tracing or debugging code as well as
/Linux-v5.15/arch/microblaze/
DKconfig159 This can be useful in optimizing the layout of kernel virtual
185 this address). This can be useful in optimizing the virtual memory
199 allocated to user tasks. This can be useful in optimizing the
/Linux-v5.15/Documentation/networking/
Dipvs-sysctl.rst139 be useful, when user-space monitoring program deletes the
157 This may be useful, when a user makes a destination server
173 protocols like ipip, which is useful to prevent rescheduling
224 This is useful for normal connections with high traffic to reduce
231 Defines sync retries with period of sync_refresh_period/8. Useful
/Linux-v5.15/fs/qnx4/
Dqnx4.h14 unsigned int Version; /* may be useful */
15 struct qnx4_inode_entry *BitMap; /* useful */
/Linux-v5.15/Documentation/admin-guide/media/
Ddvb_references.rst22 in both html and pdf formats, together with other useful documentation at:
26 You may also find useful material at https://linuxtv.org/downloads/.
/Linux-v5.15/drivers/scsi/sym53c8xx_2/
Dsym_fw.h122 *a_ofs; /* Useful offsets in script A */
126 *b_ofs; /* Useful offsets in script B */
130 *z_ofs; /* Useful offsets in script Z */
149 * Macros used from the C code to get useful
/Linux-v5.15/tools/perf/pmu-events/arch/x86/amdzen2/
Dfloating-point.json71 …Scalar Ops optimized. This is a dispatch based speculative event, and is useful for measuring the …
77 … either set or pass). This is a dispatch based speculative event, and is useful for measuring the …
83 … Move Ops eliminated. This is a dispatch based speculative event, and is useful for measuring the …
89 …mber of SSE Move Ops. This is a dispatch based speculative event, and is useful for measuring the …
/Linux-v5.15/tools/perf/trace/beauty/tracepoints/
Dx86_irq_vectors.sh13 # FIRST_EXTERNAL_VECTOR is not that useful, find what is its number
14 # and then replace whatever is using it and that is useful, which at
/Linux-v5.15/Documentation/ABI/testing/
Dsysfs-bus-i2c-devices-pca954x12 channel, which is useful when there is a device
19 which is useful if there is one channel that is
Dsysfs-class-bdi40 For example, this is useful for providing a minimum QoS.
45 given percentage of the write-back cache. This is useful in
/Linux-v5.15/drivers/staging/media/atomisp/pci/
Disp2400_support.h10 * This program is distributed in the hope it will be useful, but WITHOUT
21 in the host code which is useful in crun */

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