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/linux/Documentation/ABI/testing/
H A D	sysfs-class-bdi	`43 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 D	sysfs-bus-vdpa	`20 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`
/linux/tools/perf/pmu-events/arch/x86/amdzen3/
H A D	floating-point.json	46 …. 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 D	Kconfig	`5 # 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/Documentation/RCU/
H A D	lockdep.rst	`42 rcu_read_lock_held(). This is useful in code that is 46 rcu_read_lock_bh_held(). This is useful in code that 50 rcu_read_lock_sched_held(). This is useful in code that 54 srcu_read_lock_held(). This is useful in code that 62 and compiler constraints. This is useful when the data 68 or coalescing. This is useful when testing the`
H A D	torture.rst	129 "old" and "current" values to the underlying array, and is useful for 182 can be useful when working out how many CPUs to specify in the --cpus 208 Sometimes additional debugging is useful, and in such cases the --kconfig 231 and ``--duration 45s`` would run for 45 seconds. This last can be useful 278 This contains the kernel, which can be useful with tools like 338 Although kvm.sh is quite useful, its testing is confined to a single 364 The kvm.sh ``--dryrun scenarios`` argument is useful for working out
/linux/sound/soc/fsl/
H A D	Kconfig	`17 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 D	clang-format.rst	`12 - 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/drivers/gpu/drm/
H A D	drm_atomic_state_helper.c	70 * values. This is useful for drivers that subclass the CRTC state. 90 * This is useful for drivers that subclass the CRTC state. 131 * This is useful for drivers that subclass the CRTC state. 190 * the memory of the CRTC state. This is useful for drivers that subclass the 243 * values. This is useful for drivers that subclass the CRTC state. 305 * This is useful for drivers that subclass the plane state. 341 * Copies atomic state from a plane's current state. This is useful for 387 * the memory of the plane state. This is useful for drivers that subclass the 427 * values. This is useful for drivers that subclass the connector state. 447 * This is useful for drivers that subclass the connector state. [all …]
/linux/include/video/
H A D	tgafb.h	`69 * 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 D	perf-stat.txt	162 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 D	perf-ftrace.txt	`109 function (or a glob pattern). This is useful to trace for 117 given function (or a glob pattern). Like -G option, this is useful 182 useful to trace for functions executed from the given function. This 189 Like -G option, this is useful for the function_graph tracer only and`
/linux/include/drm/
H A D	drm_atomic_helper.h	`170 * This iterates over the current state, useful (for example) when applying 172 * planes which will be attached (more useful in code called from 185 * attached if the specified state is applied. Useful during for example 199 * attached if the specified state is applied. Useful during for example 204 * const plane_state. This is useful when a driver just wants to peek at other`
H A D	drm_atomic.h	127 * useful to throttle updates and avoid hardware updates getting ahead 751 * This is useful in atomic check callbacks, when drivers need to peek at, but 807 * new state. This is useful in places where the state delta needs to be 829 * state. This is useful in disable functions, where we need the old state the 850 * state. This is useful in enable functions, where we need the new state the 872 * new state. This is useful in places where the state delta needs to be 895 * state. This is useful in disable functions, where we need the old state the 915 * state. This is useful in enable functions, where we need the new state the 937 * new state. This is useful in places where the state delta needs to be 960 * tracking both old and new state. This is useful in places where the [all …]
/linux/Documentation/filesystems/bcachefs/
H A D	CodingStyle.rst	`97 The humble counter is an incredibly useful tool. They're cheap and simple to 157 will be useful, and make the big projects easier. 159 The question of what's likely to be useful is where junior developers most 160 often go astray - doing something because it seems like it'll be useful often 161 leads to overengineering. Knowing what's useful comes from many years of`
/linux/Documentation/core-api/
H A D	timekeeping.rst	`20 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/tools/perf/pmu-events/arch/x86/jaketown/
H A D	uncore-memory.json	117 …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/arch/microblaze/
H A D	Kconfig	`160 This can be useful in optimizing the layout of kernel virtual 186 this address). This can be useful in optimizing the virtual memory 200 allocated to user tasks. This can be useful in optimizing the`
/linux/tools/perf/pmu-events/arch/x86/amdzen2/
H A D	floating-point.json	`71 …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 D	sym_fw.h	`122 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 D	Kconfig	`21 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 D	ipvs-sysctl.rst	`158 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/drivers/hwtracing/coresight/
H A D	Kconfig	`94 This is primarily useful for instruction level tracing. Depending 109 primarily useful for instruction level tracing. 130 logging useful software events or data coming from various entities 233 primarily useful for pulling the data sets from one or more`
/linux/Documentation/admin-guide/media/
H A D	dvb_references.rst	`22 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/tools/perf/trace/beauty/tracepoints/
H A D	x86_irq_vectors.sh	`13 # 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`

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