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| /Documentation/scheduler/ |
| D | sched-stats.rst | 11 12 which was in the kernel from 2.6.13-2.6.19 (version 13 never saw a kernel
43 1) # of times sched_yield() was called
49 3) # of times schedule() was called
54 5) # of times try_to_wake_up() was called
55 6) # of times try_to_wake_up() was called to wake up the local cpu
78 1) # of times in this domain load_balance() was called when the
79 cpu was idle
81 the load did not require balancing when the cpu was idle
83 more tasks and failed, when the cpu was idle
85 load_balance() in this domain when the cpu was idle
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| D | sched-nice-design.rst | 11 Unfortunately that was not that easy to implement under the old
13 support was historically coupled to timeslice length, and timeslice
14 units were driven by the HZ tick, so the smallest timeslice was 1/HZ.
41 changing the ABI to extend priorities was discarded early on.)
48 this was long ago when hardware was weaker and caches were smaller, and
60 coupling to timeslices and granularity it was not really viable.
63 about Linux's nice level support was its assymetry around the origo
79 depend on the nice level of the parent shell - if it was at nice -10 the
80 CPU split was different than if it was at +5 or +10.
82 A third complaint against Linux's nice level support was that negative
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| /Documentation/media/uapi/v4l/ |
| D | hist-v4l2.rst | 16 Soon after the V4L API was added to the kernel it was criticised as too
21 another four years and two stable kernel releases until the new API was
30 1998-08-27: The :ref:`select() <func-select>` function was introduced.
34 1998-09-18: The ``VIDIOC_NONCAP`` ioctl was replaced by the otherwise
46 1998-10-02: The ``id`` field was removed from struct
48 renamed. The :ref:`VIDIOC_QUERYSTD` ioctl was
52 Codec API was released.
57 1998-11-12: The read/write directon of some ioctls was misdefined.
64 with ``V4L2_CID_AUDIO``. The ``V4L2_MAJOR`` define was removed from
65 ``videodev.h`` since it was only used once in the ``videodev`` kernel
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| D | vidioc-qbuf.rst | 50 :c:type:`v4l2_buffer` to the same buffer type as was
120 ``EBUSY`` will be returned if the first buffer was queued directly and
145 when the buffer was enqueued. No new file descriptor is created at dequeue time
151 queue. When the ``O_NONBLOCK`` flag was given to the
168 buffer was in the outgoing queue.
173 ``length`` are invalid, or the ``V4L2_BUF_FLAG_REQUEST_FD`` flag was
174 set but the the given ``request_fd`` was invalid, or ``m.fd`` was
193 codecs if a buffer with the ``V4L2_BUF_FLAG_LAST`` was already
197 The ``V4L2_BUF_FLAG_REQUEST_FD`` flag was set but the device does not
199 the ``V4L2_BUF_FLAG_REQUEST_FD`` flag was not set but the device requires
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| D | vidioc-query-dv-timings.rst | 64 If the timings could not be detected because there was no signal, then
65 ENOLINK is returned. If a signal was detected, but it was unstable and
87 No timings could be detected because no signal was found.
90 The signal was unstable and the hardware could not lock on to it.
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| D | func-write.rst | 64 nothing was written. On error, -1 is returned, and the ``errno``
70 :ref:`O_NONBLOCK <func-open>` flag and no buffer space was
84 The call was interrupted by a signal before any data was written.
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| /Documentation/admin-guide/ |
| D | tainted-kernels.rst | 25 why the kernel was tainted is shown after the Process ID ('PID:') and a shortened
35 You'll find a 'Not tainted: ' there if the kernel was not tainted at the
36 time of the event; if it was, then it will print 'Tainted: ' and characters
42 the kernel got tainted earlier because a proprietary Module (``P``) was loaded,
43 a warning occurred (``W``), and an externally-built module was loaded (``O``).
61 * Proprietary module was loaded (#0)
63 * Externally-built ('out-of-tree') module was loaded (#12)
69 You can try to decode the number yourself. That's easy if there was only one
85 0 G/P 1 proprietary module was loaded
86 1 _/F 2 module was force loaded
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| /Documentation/ABI/removed/ |
| D | sysfs-class-rfkill | 9 Description: This file was deprecated because there no longer was a way to
11 This file was scheduled to be removed in 2012, and was removed
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| /Documentation/media/uapi/cec/ |
| D | cec-ioc-receive.rst | 105 - Timestamp in ns of when the last byte of the message was transmitted.
110 - Timestamp in ns of when the last byte of the message was received.
118 filled in by the driver with the length of the reply message if ``reply`` was set.
131 the transmit result (when transmit was called in non-blocking mode). This
141 this message was received, not transmitted.
147 the payload of the reply message if ``timeout`` was set.
171 this message was transmitted, not received, unless this is the
178 this message was received, not transmitted.
252 - The message was transmitted successfully. This is mutually
255 the transmit was eventually successful.
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| /Documentation/powerpc/ |
| D | vcpudispatch_stats.txt | 26 2. number of times this vcpu was dispatched on the same processor as last
28 3. number of times this vcpu was dispatched on a different processor core
30 4. number of times this vcpu was dispatched on a different chip
31 5. number of times this vcpu was dispatches on a different socket/drawer
36 6. number of times this vcpu was dispatched in its home node (chip)
37 7. number of times this vcpu was dispatched in a different node
38 8. number of times this vcpu was dispatched in a node further away (numa
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| /Documentation/arm/nwfpe/ |
| D | nwfpe.rst | 7 The majority of the code was written by me, Scott Bambrough It is
9 where required. It was written quickly, with a goal of implementing a
20 Another choice I made was in the file structure. I have attempted to
33 SoftFloat to the ARM was done by Phil Blundell, based on an earlier
61 SoftFloat was written by John R. Hauser. This work was made possible in
63 1947 Center Street, Berkeley, California 94704. Funding was partially
65 original version of this code was written as part of a project to build
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| /Documentation/scsi/ |
| D | sym53c500_cs.txt | 2 package, and was written by Tom Corner (tcorner@via.at). A rewrite was
8 All the USE_BIOS code has been ripped out. It was never used, and could
14 The Symbios Logic 53c500 chip was used in the "newer" (circa 1997) version
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| D | FlashPoint.txt | 82 discover that the FlashPoint was not supported and would not be for quite
85 After this problem was identified, BusLogic contacted its major OEM
89 many purchasers of new systems, it was only a partial solution to the
93 ended up with a FlashPoint LT, believing it was supported, and were unable
100 it was best that these issues be addressed directly. I sent an email
138 I was a beta test site for the BT-948/958, and versions 1.2.1 and 1.3.1 of
140 Additional cosmetic support for the Ultra SCSI MultiMaster cards was added
145 are crucial to overall system stability. It was especially convenient
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| /Documentation/filesystems/ |
| D | locks.txt | 14 The old flock(2) emulation in the kernel was swapped for proper BSD
29 Because sendmail was unable to use the old flock() emulation, many sendmail
31 for example. This gave rise to some other subtle problems if sendmail was
46 race and deadlock conditions that the current solution was the only
57 'Documentation/filesystems/mandatory-locking.txt' was prior to this release a
58 general configuration option that was valid for all mounted filesystems. This
59 had a number of inherent dangers, not the least of which was the ability to
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| D | dnotify.txt | 15 DN_ACCESS A file in the directory was accessed (read)
16 DN_MODIFY A file in the directory was modified (write,truncate)
17 DN_CREATE A file was created in the directory
18 DN_DELETE A file was unlinked from directory
19 DN_RENAME A file in the directory was renamed
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| /Documentation/media/uapi/dvb/ |
| D | frontend-stat-properties.rst | 46 frontend, but it was not possible to collect it (could be a
71 measurement was not complete yet.
90 measurement was not complete yet.
121 measurement was not complete yet.
135 measurement was taken.
149 measurement was not complete yet.
178 measurement was not complete yet.
192 measurement was taken.
206 measurement was not complete yet.
227 measurement was not complete yet.
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| /Documentation/i2c/ |
| D | fault-codes.rst | 44 transmit mode: some other master was transmitting different
61 Returned by SMBus adapters when the bus was busy for longer
64 or that the reset was attempted but failed.
68 detected before any I/O operation was started. Use a more
91 an I2C device was temporarily not responding, usually it
104 have verified that functionality was supported before it
120 Returned when a transfer was requested using an adapter
125 time, and was aborted before it completed.
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| /Documentation/driver-api/usb/ |
| D | persist.rst | 23 device is still attached or perhaps it was removed and a different
33 If the kernel wants to believe that your USB keyboard was unplugged
34 while the system was asleep and a new keyboard was plugged in when the
40 been unplugged while the system was suspended. If you had a mounted
43 root filesystem was located on the device, since your system will
49 was asleep, on many systems during the initial stages of wakeup the
60 has happened; look for lines saying "root hub lost power or was reset".
77 not in the expected state during resume (i.e., if the controller was
91 but a USB device was unplugged and then replugged, or if a USB device
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| /Documentation/vm/ |
| D | hugetlbfs_reserv.rst | 15 was added, it was determined that it would be better to detect a shortage
17 huge pages to cover the mapping, the mmap() would fail. This was first
20 kernel, the code has evolved over time. However, the basic idea was to
113 flag was specified in either the shmget() or mmap() call. If NORESERVE
114 was specified, then this routine returns immediately as no reservations
167 was adjusted, then the reservation map associated with the mapping is
173 If hugetlb_reserve_pages() was successful, the global reservation count and
220 when the page is removed from the free list. If there was a reservation
243 map. For shared mappings where the reservation was present, an entry
245 was no reservation in a shared mapping or this was a private mapping a new
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| /Documentation/core-api/ |
| D | errseq.rst | 7 point where it was sampled.
22 a flag to tell whether the value has been sampled since a new value was
24 sampled it since the last time an error was recorded.
36 any new errors have occurred since that sampling was done, and atomically
37 record the state at the time that it was checked. This allows us to
44 has ever been an error set since it was first initialized.
111 whether one was made since they last checked, and the latest value
117 mistake occurred while his job was processing.
154 since the last time it was checked.
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| /Documentation/devicetree/bindings/arm/ |
| D | gemini.txt | 4 produced by Storlink Semiconductor around 2005. The company was renamed
6 It was derived from earlier products from Storm named SL3316 (Centroid) and
9 Storm Semiconductor was acquired by Cortina Systems in 2008 and the SoC was
10 produced and used for NAS and similar usecases. In 2014 Cortina Systems was
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| /Documentation/trace/ |
| D | hwlat_detector.rst | 10 hardware or firmware, independent of Linux itself. The code was developed
12 however there is nothing x86 specific about this patchset. It was
27 time when the polling was interrupted and since the interrupts are disabled,
64 If tracing_thresh was zero when hwlat detector was started, it will be set
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| /Documentation/networking/ |
| D | lapb-module.txt | 136 LAPB_OK LAPB getparms was successful.
148 LAPB_OK LAPB getparms was successful.
150 LAPB_INVALUE One of the values was out of its allowable range.
224 LAPB_OK The LAPB link was terminated normally.
225 LAPB_NOTCONNECTED The remote system was not connected.
226 LAPB_TIMEDOUT No response was received in N2 tries from the remote
237 LAPB_OK The LAPB link was terminated normally by the remote
240 LAPB_NOTCONNECTED The remote system was not connected.
241 LAPB_TIMEDOUT No response was received in N2 tries from the remote
254 file include/linux/netdevice.h) if and only if the frame was dropped
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| /Documentation/ABI/testing/ |
| D | procfs-concurrent_time | 7 active while the uid's task was running.
16 with that policy that were active while the uid's task was running.
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| /Documentation/firmware-guide/acpi/ |
| D | osi.rst | 24 but where Linux was installed to replace the original OS (Windows or OSX).
65 That was easy. Read on, to find out how to do it wrong.
67 Before _OSI, there was _OS
80 The idea was on a platform tasked with running multiple OS's,
90 _OSI was born to replace _OS.
92 _OS was abandoned, though even today, many BIOS look for
121 This misuse was adopted and continues today.
155 _REV was defined in ACPI 1.0 to return the version of ACPI
161 Unfortunately, _REV was also misused. eg. some BIOS would check
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