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/freebsd/sys/contrib/device-tree/Bindings/leds/
H A Dcommon.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jacek Anaszewski <jacek.anaszewski@gmail.com>
11 - Pavel Machek <pavel@ucw.cz>
25 led-sources:
30 $ref: /schemas/types.yaml#/definitions/uint32-array
35 from the header include/dt-bindings/leds/common.h. If there is no
42 the header include/dt-bindings/leds/common.h. If there is no matching
48 function-enumerator:
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H A Dleds-gpio.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/leds/leds-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jacek Anaszewski <jacek.anaszewski@gmail.com>
11 - Pavel Machek <pavel@ucw.cz>
14 Each LED is represented as a sub-node of the gpio-leds device. Each
19 const: gpio-leds
24 "(^led-[0-9a-f]$|led)":
33 retain-state-suspended:
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/freebsd/share/doc/papers/sysperf/
H A D2.t42 systemwide activity. Together with the
45 virtual memory activity.
47 when the system is active you can judge the system activity in several
49 activity, disk and cpu utilization.
50 Ideally, to have a balanced system in activity,
52 there should be little paging or swapping activity, there should
53 be available bandwidth on the disk devices (most single arms peak
54 out at 25-35 tps in practice), and the user cpu utilization (us) should
60 be non-zero). It is healthy for the paging demon to free pages when
69 processes are blocked (b), then the disk subsystem
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/freebsd/sys/contrib/openzfs/tests/zfs-tests/tests/functional/mmp/
H A Dmmp_inactive_import.ksh1 #!/bin/ksh -p
2 # SPDX-License-Identifier: CDDL-1.0
27 # 2. Verify multihost=off and hostids match (no activity check)
28 # 3. Verify multihost=off and hostids differ (no activity check)
29 # 4. Verify multihost=off and hostid allowed (no activity check)
30 # 5. Verify multihost=on and hostids match (no activity check)
31 # 6. Verify multihost=on and hostids differ (activity check)
33 # 8. Verify multihost=on and hostid zero fails (no activity check)
34 # 9. Verify activity check duration based on mmp_write and mmp_fail
50 log_assert "multihost=on|off inactive pool activity checks"
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H A Dmmp_exported_import.ksh1 #!/bin/ksh -p
2 # SPDX-License-Identifier: CDDL-1.0
23 # Verify import behavior for exported pool (no activity check)
27 # 2. Verify multihost=off and hostids match (no activity check)
28 # 3. Verify multihost=off and hostids differ (no activity check)
29 # 4. Verify multihost=off and hostid zero allowed (no activity check)
30 # 5. Verify multihost=on and hostids match (no activity check)
31 # 6. Verify multihost=on and hostids differ (no activity check)
32 # 7. Verify multihost=on and hostid zero fails (no activity check)
47 log_assert "multihost=on|off activity checks exported pool"
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/freebsd/share/doc/papers/diskperf/
H A Dmethodology.ms44 In this case, the disk I/O characteristics of VMS were measured
49 I/O activity was termed a
63 of disk transfer locations which is truly random and does not
72 The disk space allocation and disk cacheing mechanism built into
74 as to determine their size and location on the disk.
87 of the total disk activity.
92 The apparently straight-forward activity of reading or writing a logical file
93 on disk can produce a complex mixture of disk traffic.
95 buffers disk traffic through an internal cache,
98 however this restriction is moderated by the use of read-ahead.
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/freebsd/share/doc/smm/01.setup/
H A D6.t34 analyze error messages from devices, do disk backups, monitor
38 In a normal reboot, the system checks the disks and comes up multi-user
42 This will leave the system in single-user mode, with only the console
46 you must enter the root password to bring the machine to single-user mode.)
48 and then to return to single-user mode by signaling
52 To bring the system up to a multi-user configuration from the single-user
57 a multi-user restart script (and
68 ``fsck \-p'' or force a reboot with
79 when you are running multi-user.
82 system is taken single-user. If you wish to come up multi-user again, you
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/freebsd/sys/contrib/device-tree/include/dt-bindings/leds/
H A Dcommon.h1 /* SPDX-License-Identifier: GPL-2.0 */
45 /* Obsolete equivalent: "shift-key-light" */
57 #define LED_FUNCTION_DISK "disk"
62 Obsolete equivalents: "status-led:{red,green,blue}" (Motorola Droid 4),
70 #define LED_FUNCTION_PLAYER1 "player-1"
71 #define LED_FUNCTION_PLAYER2 "player-2"
72 #define LED_FUNCTION_PLAYER3 "player-3"
73 #define LED_FUNCTION_PLAYER4 "player-4"
74 #define LED_FUNCTION_PLAYER5 "player-5"
77 #define LED_FUNCTION_ACTIVITY "activity"
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/freebsd/sys/contrib/openzfs/tests/zfs-tests/tests/functional/cli_root/zpool_wait/
H A Dzpool_wait.kshlib2 # SPDX-License-Identifier: CDDL-1.0
18 typeset -a disk_array=($(find_disks $DISKS))
20 typeset -r DISK1=${disk_array[0]}
21 typeset -r DISK2=${disk_array[1]}
22 typeset -r DISK3=${disk_array[2]}
36 typeset -r WAIT_EXIT_GRACE=2.0
40 for disk in $(get_disklist $1); do
41 log_must zinject -d $disk -D20:1 $1
47 log_must zinject -c all
52 ps -p $1 >/dev/null
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/freebsd/usr.bin/vmstat/
H A Dvmstat.837 .Op Fl -libxo
55 disk, trap and cpu activity.
68 .Bl -tag -width indent
69 .It Fl -libxo
131 Report per-cpu system/user/idle cpu statistics.
137 .Bl -tag -width indent -compact
139 .Bl -tag -width 9n -compact
169 .Bl -tag -width 9n -compact
181 .Bl -tag -width 9n -compact
220 command will accept and honor a non-integer number of seconds.
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/freebsd/sys/contrib/openzfs/module/zfs/
H A Dmmp.c1 // SPDX-License-Identifier: CDDL-1.0
10 * or https://opensource.org/licenses/CDDL-1.0.
37 * Multi-Modifier Protection (MMP) attempts to prevent a user from importing
39 * prevents "zpool import -f" on a host from succeeding while the pool is
45 * MMP operates by ensuring there are frequent visible changes on disk (a
51 * (N-MMP_BLOCKS_PER_LABEL) slots, the remaining slots are reserved for MMP.
65 * activity in the pool, before concluding the pool is not in use. The
70 * During import an activity test may now be performed to determine if
71 * the pool is in use. The activity test is typically required if the
75 * The activity test finds the "best" uberblock (highest txg, timestamp, and, if
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H A Dspa.c1 // SPDX-License-Identifier: CDDL-1.0
10 * or https://opensource.org/licenses/CDDL-1.0.
44 * This file contains all the routines used when modifying on-disk SPA state.
114 * moves it to some Illumos-specific place, or removes it entirely.
120 * prevent CPU-intensive kernel threads from affecting latency on interactive
167 * are so high frequency and short-lived that the taskq itself can become a
169 * additional degree of parallelism specified by the number of threads per-
222 * This is used by zdb to analyze non-idle pools.
244 * A non-zero value for zfs_max_missing_tvds means that we allow importing
245 * pools with missing top-level vdevs. This is strictly intended for advanced
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/freebsd/sys/contrib/device-tree/src/arm64/rockchip/
H A Drk3568-qnap-ts433.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
4 * Copyright (c) 2024 Uwe Kleine-König
7 /dts-v1/;
9 #include <dt-bindings/input/input.h>
10 #include <dt-bindings/leds/common.h>
11 #include <dt-bindings/gpio/gpio.h>
15 model = "Qnap TS-433-4G NAS System 4-Bay";
25 stdout-path = "serial2:115200n8";
29 compatible = "gpio-keys";
30 pinctrl-0 = <&copy_button_pin>, <&reset_button_pin>;
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/freebsd/usr.sbin/iostat/
H A Diostat.890 To get information about the current activity, a suitable wait time should
95 .Bl -tag -width flag
133 In the old-style blocks transferred display
155 Display old-style
175 .Bl -tag -width indent -compact
177 .Bl -tag -width 9n -compact
207 .Bl -tag -width 9n -compact
219 .Bl -tag -width 9n -compact
255 command will accept and honor a non-integer number of seconds.
259 .Dq Li -w1.0001
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/freebsd/share/man/man4/
H A Dahci.41 .\" Copyright (c) 2009-2013 Alexander Motin <mav@FreeBSD.org>
35 .Bd -ragged -offset indent
44 .Bd -literal -offset indent
50 .Bl -ohang
54 .Bl -tag -width 4n -offset indent -compact
64 Non-zero value enables CCC and defines maximum time (in ms), request can wait
67 but it can decrease disk performance on some workloads due to additional
84 .Bl -tag -width 4n -offset indent -compact
104 A manual bus reset/rescan may be needed after device hot-plug, unless hardware
110 setting to nonzero value forces driver attach to some known AHCI-capable
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/freebsd/sys/contrib/device-tree/src/arm/marvell/
H A Dkirkwood-ns2lite.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include "kirkwood-ns2-common.dtsi"
8 compatible = "lacie,netspace_lite_v2", "marvell,kirkwood-88f6192", "marvell,kirkwood";
17 pinctrl-0 = <&pmx_ns2_sata0>;
18 pinctrl-names = "default";
20 nr-ports = <1>;
24 gpio-leds {
25 compatible = "gpio-leds";
27 led-blue-sata {
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H A Dkirkwood-topkick.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
5 #include "kirkwood-6282.dtsi"
8 model = "Universal Scientific Industrial Co. Topkick-1281P2";
9 compatible = "usi,topkick-1281P2", "usi,topkick", "marvell,kirkwood-88f6282", "marvell,kirkwood";
18 stdout-path = &uart0;
22 pinctrl: pin-controller@10000 {
26 * /-SW_LEFT(2)
28 * | /-SW_IDLE
30 * | | /-SW_RIGHT
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/freebsd/contrib/llvm-project/lldb/source/Core/
H A DCoreProperties.td4 def EnableExternalLookup: Property<"enable-external-lookup", "Boolean">,
7 …-file-search-paths and directory of the executable are always checked first for separate debug inf…
8 def EnableBackgroundLookup: Property<"enable-background-lookup", "Boolean">,
11 …Desc<"Alias for backward compatibility: when enabled this is the equivalent to 'symbols.auto-downl…
12 def AutoDownload: Property<"auto-download", "Enum">,
17 def ClangModulesCachePath: Property<"clang-modules-cache-path", "FileSpec">,
20 Desc<"The path to the clang modules cache directory (-fmodules-cache-path).">;
21 def SymLinkPaths: Property<"debug-info-symlink-paths", "FileSpecList">,
25 def EnableLLDBIndexCache: Property<"enable-lldb-index-cache", "Boolean">,
29 def LLDBIndexCachePath: Property<"lldb-index-cache-path", "FileSpec">,
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/freebsd/usr.bin/systat/
H A Dsystat.137 .Op Ar display-commands
38 .Op Ar refresh-interval
62 Other displays show swap space usage, disk I/O statistics (a la
73 input line is passed to a per-display command interpreter.
75 allows each display to have certain display-specific commands.
78 .Bl -tag -width "refresh_interval"
104 .It Ar refresh-interval
106 .Ar refresh-value
109 .It Ar display-commands
116 .Fl -
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/freebsd/sys/contrib/device-tree/src/arm/intel/ixp/
H A Dintel-ixp42x-iomega-nas100d.dts1 // SPDX-License-Identifier: ISC
6 /dts-v1/;
8 #include "intel-ixp42x.dtsi"
9 #include <dt-bindings/input/input.h>
13 compatible = "iom,nas-100d", "intel,ixp42x";
14 #address-cells = <1>;
15 #size-cells = <1>;
25 stdout-path = "uart0:115200n8";
33 compatible = "gpio-led
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/freebsd/sbin/fsck/
H A Dfsck.847 utility invokes file system-specific programs to check
74 so that other system activity can proceed
89 and that have non-zero pass number are checked.
100 in pass number order running one process per disk drive in parallel for each
104 Next all pass 2 partitions are checked in parallel, one process per disk drive.
105 Next all pass 3 partitions are checked in parallel, one process per disk drive.
108 The disk drive containing each file system is inferred from the shortest prefix
125 .Bl -tag -width indent
145 .Dq Li fsck -f
147 consistency check of the disk so will find and fix the errors about which the
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/freebsd/sys/sys/
H A Dvmmeter.h1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
52 int16_t t_dw; /* threads in ``disk wait'' (neg
73 * c - constant after initialization
74 * p - uses counter(9)
78 * General system activity.
86 * Virtual memory activity.
90 counter_u64_t v_cow_faults; /* (p) copy-on-writes faults */
112 * Fork/vfork/rfork activity.
167 VM_CNT_ADD(v_wire_count, -cnt); in vm_wire_sub()
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/freebsd/sys/contrib/device-tree/src/mips/ralink/
H A Dmt7621-gnubee-gb-pc1.dts1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 /dts-v1/;
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/input/input.h>
10 compatible = "gnubee,gb-pc
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/freebsd/sys/dev/ida/
H A Didareg.h1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
34 * board register offsets for SMART-2 controllers
66 #define SOFT_ERROR 0x02 /* Non-fatal error. */
103 #define CMD_PASSTHROUGH 0x90 /* Pass-through operation */
106 #define CMD_PAUSE_BG_ACT 0x98 /* Pause Background Activity */
107 #define CMD_RESUME_BG_ACT 0x99 /* Resume Background Activity */
184 u_int32_t nd_map; /* Non-disk map */
202 u_int16_t big_nd_map[8]; /* Big non-disk map */
/freebsd/share/man/man5/
H A Dfs.568 .Em super-block
71 The following structure describes the super-block and is
74 .Bd -literal
81 int32_t fs_sblkno; /* offset of super-block in filesys */
82 int32_t fs_cblkno; /* offset of cyl-block in filesys */
83 int32_t fs_iblkno; /* offset of inode-blocks in filesys */
97 int32_t fs_old_rps; /* disk revolutions per second */
132 /* this data must be re-computed after crashes */
137 int8_t fs_ronly; /* mounted read-only flag */
141 uint64_t fs_swuid; /* system-wide uid */
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