Searched +full:performance +full:- +full:affecting (Results 1 – 25 of 89) sorted by relevance
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| /kernel/linux/linux-5.10/tools/power/cpupower/man/ |
| D | cpupower-set.1 | 1 .TH CPUPOWER\-SET "1" "22/02/2011" "" "cpupower Manual"
3 cpupower\-set \- Set processor power related kernel or hardware configurations
6 .B cpupower set [ \-b VAL ]
11 registers affecting processor power saving policies.
15 described in the cpupower(1) manpage in the \-\-cpu option section. Whether an
24 \-\-perf-bias, \-b
27 its policy for the relative importance of performance versus energy savings to
30 The range of valid numbers is 0-15, where 0 is maximum
31 performance and 15 is maximum energy efficiency.
33 The processor uses this information in model-specific ways
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| /kernel/linux/linux-4.19/tools/power/cpupower/man/ |
| D | cpupower-set.1 | 1 .TH CPUPOWER\-SET "1" "22/02/2011" "" "cpupower Manual"
3 cpupower\-set \- Set processor power related kernel or hardware configurations
6 .B cpupower set [ \-b VAL ]
11 registers affecting processor power saving policies.
15 described in the cpupower(1) manpage in the \-\-cpu option section. Whether an
24 \-\-perf-bias, \-b
27 its policy for the relative importance of performance versus energy savings to
30 The range of valid numbers is 0-15, where 0 is maximum
31 performance and 15 is maximum energy efficiency.
33 The processor uses this information in model-specific ways
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| /kernel/linux/linux-5.10/Documentation/ABI/testing/ |
| D | sysfs-class-scsi_host | 7 Storage Control Unit embeds up to two 4-port controllers in
23 stack for a performance advantage when possible. A value of
28 controller wide, affecting all configured logical drives on the
34 Contact: linux-ide@vger.kernel.org
43 performance due to increased latency when coming out of lower
47 Tell the controller to have performance be a priority over power
60 a) It does not use host-initiated slumber mode, but it does
61 allow device-initiated slumber
68 Contact: linux-ide@vger.kernel.org
79 protocol that is being used by the driver (for eg. LED, SAF-TE,
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| /kernel/linux/linux-4.19/Documentation/ABI/testing/ |
| D | sysfs-class-scsi_host | 7 Storage Control Unit embeds up to two 4-port controllers in
23 stack for a performance advantage when possible. A value of
28 controller wide, affecting all configured logical drives on the
34 Contact: linux-ide@vger.kernel.org
43 performance due to increased latency when coming out of lower
47 Tell the controller to have performance be a priority over power
59 a) It does not use host-initiated slumber mode, but it does
60 allow device-initiated slumber
67 Contact: linux-ide@vger.kernel.org
78 protocol that is being used by the driver (for eg. LED, SAF-TE,
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| /kernel/linux/linux-4.19/Documentation/filesystems/nfs/ |
| D | knfsd-stats.txt | 11 program from the nfs-utils distribution provides a helpful command-line
21 ------------------------
46 packets-arrived
56 However this is a more accurate and less workload-dependent measure
60 sockets-enqueued
66 network-facing work to be done but it couldn't be done immediately,
68 rate of change for this counter is zero; significantly non-zero
69 values may indicate a performance limitation.
72 pool for the NFS workload (the workload is thread-limited), in which
74 performance of the NFS workload.
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| /kernel/linux/linux-5.10/Documentation/filesystems/nfs/ |
| D | knfsd-stats.rst | 5 :Authors: Greg Banks <gnb@sgi.com> - 26 Mar 2009
13 program from the nfs-utils distribution provides a helpful command-line
48 packets-arrived
58 However this is a more accurate and less workload-dependent measure
62 sockets-enqueued
68 network-facing work to be done but it couldn't be done immediately,
70 rate of change for this counter is zero; significantly non-zero
71 values may indicate a performance limitation.
74 pool for the NFS workload (the workload is thread-limited), in which
76 performance of the NFS workload.
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| /kernel/linux/linux-4.19/Documentation/filesystems/ |
| D | ceph.txt | 5 performance, reliability, and scalability.
12 * N-way replication of data across storage nodes
30 re-replicated in a distributed fashion by the storage nodes themselves
35 in-memory cache above the file namespace that is extremely scalable,
37 and can tolerate arbitrary (well, non-Byzantine) node failures. The
39 storage to significantly improve performance for common workloads. In
59 files and bytes. That is, a 'getfattr -d foo' on any directory in the
70 setfattr -n ceph.quota.max_bytes -v 100000000 /some/dir
71 getfattr -n ceph.quota.max_bytes /some/dir
83 # mount -t ceph monip[:port][,monip2[:port]...]:/[subdir] mnt
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| D | ntfs.txt | 8 - Overview
9 - Web site
10 - Features
11 - Supported mount options
12 - Known bugs and (mis-)features
13 - Using NTFS volume and stripe sets
14 - The Device-Mapper driver
15 - The Software RAID / MD driver
16 - Limitations when using the MD driver
22 Linux-NTFS comes with a number of user-space programs known as ntfsprogs.
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| /kernel/linux/linux-5.10/Documentation/filesystems/ |
| D | ceph.rst | 1 .. SPDX-License-Identifier: GPL-2.0
8 performance, reliability, and scalability.
15 * N-way replication of data across storage nodes
32 re-replicated in a distributed fashion by the storage nodes themselves
37 in-memory cache above the file namespace that is extremely scalable,
39 and can tolerate arbitrary (well, non-Byzantine) node failures. The
41 storage to significantly improve performance for common workloads. In
61 files and bytes. That is, a 'getfattr -d foo' on any directory in the
72 setfattr -n ceph.quota.max_bytes -v 100000000 /some/dir
73 getfattr -n ceph.quota.max_bytes /some/dir
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/memory-controllers/ |
| D | nvidia,tegra30-emc.yaml | 1 # SPDX-License-Identifier: (GPL-2.0)
3 ---
4 $id: http://devicetree.org/schemas/memory-controllers/nvidia,tegra30-emc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Dmitry Osipenko <digetx@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
12 - Thierry Reding <thierry.reding@gmail.com>
15 The EMC interfaces with the off-chip SDRAM to service the request stream
16 sent from Memory Controller. The EMC also has various performance-affecting
23 const: nvidia,tegra30-emc
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| /kernel/linux/linux-5.10/Documentation/admin-guide/pm/ |
| D | cpuidle.rst | 1 .. SPDX-License-Identifier: GPL-2.0
5 .. |cpufreq| replace:: :doc:`CPU Performance Scaling <cpufreq>`
27 CPU idle time management is an energy-efficiency feature concerned about using
31 ------------
37 software as individual single-core processors. In other words, a CPU is an
46 Second, if the processor is multi-core, each core in it is able to follow at
61 Finally, each core in a multi-core processor may be able to follow more than one
66 multiple individual single-core "processors", referred to as *hardware threads*
67 (or hyper-threads specifically on Intel hardware), that each can follow one
78 ---------
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| /kernel/linux/linux-4.19/Documentation/admin-guide/ |
| D | bcache.rst | 10 - http://bcache.evilpiepirate.org
11 - http://evilpiepirate.org/git/linux-bcache.git
12 - http://evilpiepirate.org/git/bcache-tools.git
14 It's designed around the performance characteristics of SSDs - it only allocates
22 great lengths to protect your data - it reliably handles unclean shutdown. (It
26 Writeback caching can use most of the cache for buffering writes - writing
33 average is above the cutoff it will skip all IO from that task - instead of
44 You'll need make-bcache from the bcache-tools repository. Both the cache device
47 make-bcache -B /dev/sdb
48 make-bcache -C /dev/sdc
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| /kernel/linux/linux-5.10/Documentation/admin-guide/ |
| D | bcache.rst | 11 This is the git repository of bcache-tools:
12 https://git.kernel.org/pub/scm/linux/kernel/git/colyli/bcache-tools.git/
17 It's designed around the performance characteristics of SSDs - it only allocates
25 great lengths to protect your data - it reliably handles unclean shutdown. (It
29 Writeback caching can use most of the cache for buffering writes - writing
36 average is above the cutoff it will skip all IO from that task - instead of
47 You'll need bcache util from the bcache-tools repository. Both the cache device
50 bcache make -B /dev/sdb
51 bcache make -C /dev/sdc
53 `bcache make` has the ability to format multiple devices at the same time - if
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| /kernel/linux/linux-4.19/crypto/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
126 tristate "Diffie-Hellman algorithm"
130 Generic implementation of the Diffie-Hellman algorithm.
164 bool "Disable run-time self tests"
168 Disable run-time self tests that normally take place at
217 tristate "Software async multi-buffer crypto daemon"
224 provides the kernel thread to assist multi-buffer crypto
225 algorithms for submitting jobs and flushing jobs in multi-buffer
226 crypto algorithms. Multi-buffer crypto algorithms are executed
281 tristate "ChaCha20-Poly1305 AEAD support"
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| /kernel/linux/linux-4.19/arch/arm64/ |
| D | Kconfig | 171 ARM 64-bit (AArch64) Linux support.
197 # VA_BITS - PAGE_SHIFT - 3
314 …bool "Cortex-A53: 826319: System might deadlock if a write cannot complete until read data is acce…
318 erratum 826319 on Cortex-A53 parts up to r0p2 with an AMBA 4 ACE or
321 If a Cortex-A53 uses an AMBA AXI4 ACE interface to other processors
327 data cache clean-and-invalidate.
335 …bool "Cortex-A53: 827319: Data cache clean instructions might cause overlapping transactions to th…
339 erratum 827319 on Cortex-A53 parts up to r0p2 with an AMBA 5 CHI
348 data cache clean-and-invalidate.
356 bool "Cortex-A53: 824069: Cache line might not be marked as clean after a CleanShared snoop"
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| /kernel/linux/linux-5.10/tools/perf/Documentation/ |
| D | perf-report.txt | 1 perf-report(1)
5 ----
6 perf-report - Read perf.data (created by perf record) and display the profile
9 --------
11 'perf report' [-i <file> | --input=file]
14 -----------
15 This command displays the performance counter profile information recorded
19 -------
20 -i::
21 --input=::
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| /kernel/linux/linux-5.10/Documentation/admin-guide/sysctl/ |
| D | vm.rst | 13 ------------------------------------------------------------------------------
27 - admin_reserve_kbytes
28 - compact_memory
29 - compaction_proactiveness
30 - compact_unevictable_allowed
31 - dirty_background_bytes
32 - dirty_background_ratio
33 - dirty_bytes
34 - dirty_expire_centisecs
35 - dirty_ratio
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| /kernel/linux/linux-4.19/Documentation/admin-guide/hw-vuln/ |
| D | spectre.rst | 1 .. SPDX-License-Identifier: GPL-2.0
14 -------------------
17 high performance processors, since most modern high speed processors
22 - Intel Core, Atom, Pentium, and Xeon processors
24 - AMD Phenom, EPYC, and Zen processors
26 - IBM POWER and zSeries processors
28 - Higher end ARM processors
30 - Apple CPUs
32 - Higher end MIPS CPUs
34 - Likely most other high performance CPUs. Contact your CPU vendor for details.
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| /kernel/linux/linux-5.10/crypto/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
140 bool "Disable run-time self tests"
143 Disable run-time self tests that normally take place at
147 bool "Enable extra run-time crypto self tests"
150 Enable extra run-time self tests of registered crypto algorithms,
221 comment "Public-key cryptography"
233 tristate "Diffie-Hellman algorithm"
237 Generic implementation of the Diffie-Hellman algorithm.
251 tristate "EC-RDSA (GOST 34.10) algorithm"
258 Elliptic Curve Russian Digital Signature Algorithm (GOST R 34.10-2012,
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| /kernel/linux/linux-5.10/Documentation/admin-guide/hw-vuln/ |
| D | spectre.rst | 1 .. SPDX-License-Identifier: GPL-2.0
14 -------------------
17 high performance processors, since most modern high speed processors
22 - Intel Core, Atom, Pentium, and Xeon processors
24 - AMD Phenom, EPYC, and Zen processors
26 - IBM POWER and zSeries processors
28 - Higher end ARM processors
30 - Apple CPUs
32 - Higher end MIPS CPUs
34 - Likely most other high performance CPUs. Contact your CPU vendor for details.
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| /kernel/linux/linux-4.19/Documentation/sysctl/ |
| D | vm.txt | 21 - admin_reserve_kbytes
22 - block_dump
23 - compact_memory
24 - compact_unevictable_allowed
25 - dirty_background_bytes
26 - dirty_background_ratio
27 - dirty_bytes
28 - dirty_expire_centisecs
29 - dirty_ratio
30 - dirtytime_expire_seconds
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| /kernel/linux/linux-5.10/Documentation/RCU/ |
| D | stallwarn.rst | 1 .. SPDX-License-Identifier: GPL-2.0
9 options that can be used to fine-tune the detector's operation. Finally,
20 - A CPU looping in an RCU read-side critical section.
22 - A CPU looping with interrupts disabled.
24 - A CPU looping with preemption disabled.
26 - A CPU looping with bottom halves disabled.
28 - For !CONFIG_PREEMPT kernels, a CPU looping anywhere in the kernel
33 - Booting Linux using a console connection that is too slow to
34 keep up with the boot-time console-message rate. For example,
35 a 115Kbaud serial console can be -way- too slow to keep up
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| /kernel/linux/linux-4.19/tools/perf/Documentation/ |
| D | perf-report.txt | 1 perf-report(1)
5 ----
6 perf-report - Read perf.data (created by perf record) and display the profile
9 --------
11 'perf report' [-i <file> | --input=file]
14 -----------
15 This command displays the performance counter profile information recorded
19 -------
20 -i::
21 --input=::
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| /kernel/linux/linux-5.10/arch/arm64/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
161 if $(cc-option,-fpatchable-function-entry=2)
206 ARM 64-bit (AArch64) Linux support.
238 # VA_BITS - PAGE_SHIFT - 3
331 def_bool !$(as-instr,1:\n.inst 0\n.rept . - 1b\n\nnop\n.endr\n)
358 …bool "Cortex-A53: 826319: System might deadlock if a write cannot complete until read data is acce…
363 erratum 826319 on Cortex-A53 parts up to r0p2 with an AMBA 4 ACE or
366 If a Cortex-A53 uses an AMBA AXI4 ACE interface to other processors
372 data cache clean-and-invalidate.
380 …bool "Cortex-A53: 827319: Data cache clean instructions might cause overlapping transactions to th…
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| /kernel/linux/linux-5.10/lib/ |
| D | Kconfig.debug | 1 # SPDX-License-Identifier: GPL-2.0-only
19 parameter printk.time=1. See Documentation/admin-guide/kernel-parameters.rst
39 int "Default console loglevel (1-15)"
49 Note: This does not affect the log level of un-prefixed printk()
54 int "quiet console loglevel (1-15)"
65 int "Default message log level (1-7)"
71 This was hard-coded to KERN_WARNING since at least 2.6.10 but folks
107 enabled/disabled based on various levels of scope - per source file,
147 nullarbor:~ # echo -n 'file svcsock.c line 1603 +p' >
151 nullarbor:~ # echo -n 'file svcsock.c +p' >
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