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/linux/Documentation/ABI/testing/
H A Dsysfs-class-bdi43 For example, this is useful for providing a minimum QoS.
57 expressed as part of 1 million. For example, this is useful for
67 given percentage of the write-back cache. This is useful in
81 of 1 million. This is useful in situations where we want to avoid
99 For example, this is useful for providing a minimum QoS.
108 given 'max_bytes' of the write-back cache. This is useful in
122 is useful in situations where the global limit is much higher than
H A Dsysfs-bus-vdpa20 This can be useful when /sys/bus/vdpa/drivers_autoprobe is
28 attempt to bind to the device. This is useful for overriding
36 attempt to unbind from the device. This may be useful when
H A 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
/linux/tools/perf/pmu-events/arch/x86/amdzen3/
H A 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/drivers/firewire/
H A DKconfig5 # not useful without PCI controller driver
30 log in TAP format (https://testanything.org/). Only useful for
46 log in TAP format (https://testanything.org/). Only useful for
62 log in TAP format (https://testanything.org/). Only useful for
77 log in TAP format (https://testanything.org/). Only useful for
104 log in TAP format (https://testanything.org/). Only useful for
/linux/sound/soc/fsl/
H A DKconfig17 This option is only useful for out-of-tree drivers since
29 This option is only useful for out-of-tree drivers since
40 This option is only useful for out-of-tree drivers since
58 This option is only useful for out-of-tree drivers since
71 This option is only useful for out-of-tree drivers since
81 This option is only useful for out-of-tree drivers since
135 This option is only useful for out-of-tree drivers since
163 This option is only useful for out-of-tree drivers since
/linux/Documentation/dev-tools/
H A 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/include/video/
H A 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/tools/perf/Documentation/
H A Dperf-stat.txt162 This can be useful to measure just elapsed wall-clock time - or to assess the
299 is a useful mode to detect imbalance between sockets. To enable this mode,
302 useful to gauge the amount of aggregation.
306 is a useful mode to detect imbalance between dies. To enable this mode,
309 useful to gauge the amount of aggregation.
313 is a useful mode to detect imbalance between clusters. To enable this mode,
316 useful to gauge the amount of aggregation. The information of cluster ID and
329 is a useful mode to detect imbalance between physical cores. To enable this mode,
339 is a useful mode to detect imbalance between NUMA nodes. To enable this
345 disabled). This is useful to filter out the startup phase of the program,
[all …]
H A Dperf-ftrace.txt109 function (or a glob pattern). This is useful to trace for
117 given function (or a glob pattern). Like -G option, this is useful
192 useful to trace for functions executed from the given function. This
199 Like -G option, this is useful for the function_graph tracer only and
/linux/drivers/nvme/target/
H A DKconfig15 functionality useful.
47 This enables the NVMe loopback device support, which can be useful
82 This enables the NVMe FC loopback test support, which can be useful
/linux/Documentation/core-api/
H A 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
141 This is useful in some tracing or debugging code as well as
/linux/Documentation/process/debugging/
H A Ddriver_development_debugging_guide.rst12 you through tools like dynamic debug, ftrace and other tools useful for
59 instead of from the kernel log, but very useful when printk() adds unwanted
76 Permanent debug statements have to be useful for a developer to troubleshoot
140 This is especially useful, when the size of a data dump would be hard to digest
196 lockdep is especially useful for validating the correctness of lock ordering in
/linux/arch/microblaze/
H A 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/tools/perf/pmu-events/arch/x86/jaketown/
H A Duncore-memory.json117 …detected and corrected by the iMC on this channel. This counter is only useful with ECC DRAM devi…
184 …t to get the number of cycles in power saving mode. Edge Detect is also useful here. Make sure t…
194 …t to get the number of cycles in power saving mode. Edge Detect is also useful here. Make sure t…
204 …t to get the number of cycles in power saving mode. Edge Detect is also useful here. Make sure t…
214 …t to get the number of cycles in power saving mode. Edge Detect is also useful here. Make sure t…
224 …t to get the number of cycles in power saving mode. Edge Detect is also useful here. Make sure t…
234 …t to get the number of cycles in power saving mode. Edge Detect is also useful here. Make sure t…
244 …t to get the number of cycles in power saving mode. Edge Detect is also useful here. Make sure t…
254 …t to get the number of cycles in power saving mode. Edge Detect is also useful here. Make sure t…
447 … to DRAM. Therefore, the average latency for this queue is actually not useful for deconstruction…
[all …]
/linux/tools/perf/pmu-events/arch/x86/amdzen2/
H A 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/drivers/scsi/sym53c8xx_2/
H A 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/drivers/atm/
H A DKconfig21 Dummy ATM driver. Useful for proxy signalling, testing,
28 ATM over TCP driver. Useful mainly for development and for
195 Somewhat useful debugging messages are available. The choice of
209 an open connection in the raw cell queue of the driver. Useful
238 Somewhat useful debugging messages are available. The choice of
/linux/Documentation/networking/
H A Dipvs-sysctl.rst158 be useful, when user-space monitoring program deletes the
176 This may be useful, when a user makes a destination server
192 protocols like ipip, which is useful to prevent rescheduling
243 This is useful for normal connections with high traffic to reduce
250 Defines sync retries with period of sync_refresh_period/8. Useful
/linux/Documentation/admin-guide/media/
H A 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/arch/riscv/kernel/tests/
H A DKconfig.debug24 in TAP format (http://testanything.org/). Only useful for kernel devs
39 Enable testing for riscv kprobes. Useful for riscv and/or kprobes
/linux/tools/perf/trace/beauty/tracepoints/
H A 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/arch/parisc/include/uapi/asm/
H A Dioctl.h12 * This program is distributed in the hope that it will be useful,
30 * is useful for catching programs compiled with old versions
/linux/drivers/uio/
H A DKconfig93 PCI 2.3 compliant and PCI Express card. It is useful,
146 Hyper-V VMBus device. It is useful to provide direct access
156 It is useful to provide direct access to DFL devices from userspace.
/linux/fs/netfs/
H A DKconfig22 between CPUs. On the other hand, the stats are very useful for
57 between CPUs. On the other hand, the stats are very useful for

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