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/linux-5.19.10/Documentation/scheduler/
Dsched-stats.rst11 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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Dsched-nice-design.rst11 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 asymmetry around the origin
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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/linux-5.19.10/Documentation/userspace-api/media/v4l/
Dhist-v4l2.rst10 Soon after the V4L API was added to the kernel it was criticised as too
15 another four years and two stable kernel releases until the new API was
23 1998-08-27: The :c:func:`select()` function was introduced.
27 1998-09-18: The ``VIDIOC_NONCAP`` ioctl was replaced by the otherwise
39 1998-10-02: The ``id`` field was removed from
41 renamed. The :ref:`VIDIOC_QUERYSTD` ioctl was
45 Codec API was released.
50 1998-11-12: The read/write directon of some ioctls was misdefined.
57 with ``V4L2_CID_AUDIO``. The ``V4L2_MAJOR`` define was removed from
58 ``videodev.h`` since it was only used once in the ``videodev`` kernel
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Dvidioc-qbuf.rst43 :c:type:`v4l2_buffer` to the same buffer type as was
113 ``EBUSY`` will be returned if the first buffer was queued directly and
138 when the buffer was enqueued. No new file descriptor is created at dequeue time
144 queue. When the ``O_NONBLOCK`` flag was given to the
160 buffer was in the outgoing queue.
165 ``length`` are invalid, or the ``V4L2_BUF_FLAG_REQUEST_FD`` flag was
166 set but the given ``request_fd`` was invalid, or ``m.fd`` was
185 codecs if a buffer with the ``V4L2_BUF_FLAG_LAST`` was already
189 The ``V4L2_BUF_FLAG_REQUEST_FD`` flag was set but the device does not
191 the ``V4L2_BUF_FLAG_REQUEST_FD`` flag was not set but the device requires
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Dvidioc-query-dv-timings.rst57 If the timings could not be detected because there was no signal, then
58 ENOLINK is returned. If a signal was detected, but it was unstable and
79 No timings could be detected because no signal was found.
82 The signal was unstable and the hardware could not lock on to it.
Dfunc-write.rst54 nothing was written. On error, -1 is returned, and the ``errno``
60 :ref:`O_NONBLOCK <func-open>` flag and no buffer space was
74 The call was interrupted by a signal before any data was written.
/linux-5.19.10/arch/arm/tools/
Dsyscall.tbl21 # 7 was sys_waitpid
31 # 17 was sys_break
32 # 18 was sys_stat
42 # 28 was sys_fstat
45 # 31 was sys_stty
46 # 32 was sys_gtty
49 # 35 was sys_ftime
58 # 44 was sys_prof
62 # 48 was sys_signal
67 # 53 was sys_lock
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/linux-5.19.10/Documentation/admin-guide/
Dtainted-kernels.rst25 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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/linux-5.19.10/Documentation/filesystems/
Dlocks.rst18 The old flock(2) emulation in the kernel was swapped for proper BSD
33 Because sendmail was unable to use the old flock() emulation, many sendmail
35 for example. This gave rise to some other subtle problems if sendmail was
50 race and deadlock conditions that the current solution was the only
60 Mandatory locking was prior to this release a general configuration option
61 that was valid for all mounted filesystems. This had a number of inherent
62 dangers, not the least of which was the ability to freeze an NFS server by
65 Such option was dropped in Kernel v5.14.
/linux-5.19.10/Documentation/ABI/removed/
Dsysfs-class-rfkill9 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
/linux-5.19.10/arch/sh/kernel/syscalls/
Dsyscall.tbl27 # 17 was break
41 # 31 was stty
42 # 32 was gtty
45 # 35 was ftime
54 # 44 was prof
63 # 53 was lock
66 # 56 was mpx
68 # 58 was ulimit
69 # 59 was olduname
92 # 82 was select
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/linux-5.19.10/Documentation/devicetree/bindings/serial/
Dxlnx,opb-uartlite.yaml38 The fixed baud rate that the device was configured for.
43 The fixed number of data bits that the device was configured for.
49 Whether parity checking was enabled when the device was configured.
55 Whether odd parity was configured.
/linux-5.19.10/Documentation/userspace-api/media/cec/
Dcec-ioc-receive.rst102 - Timestamp in ns of when the last byte of the message was transmitted.
107 - Timestamp in ns of when the last byte of the message was received.
115 filled in by the driver with the length of the reply message if ``reply`` was set.
132 was not 0), then the ``sequence`` field of the reply will be set to the sequence
143 the payload of the reply message if ``timeout`` was set.
248 - The message was transmitted successfully. This is mutually
251 the transmit was eventually successful.
256 - CEC line arbitration was lost, i.e. another transmit started at the
263 - Message was not acknowledged. Note that some hardware cannot tell apart
271 - Low drive was detected on the CEC bus. This indicates that a
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/linux-5.19.10/Documentation/powerpc/
Dvcpudispatch_stats.rst31 2. number of times this vcpu was dispatched on the same processor as last
33 3. number of times this vcpu was dispatched on a different processor core
35 4. number of times this vcpu was dispatched on a different chip
36 5. number of times this vcpu was dispatches on a different socket/drawer
42 6. number of times this vcpu was dispatched in its home node (chip)
43 7. number of times this vcpu was dispatched in a different node
44 8. number of times this vcpu was dispatched in a node further away (numa
/linux-5.19.10/arch/parisc/kernel/syscalls/
Dsyscall.tbl115 # 102 was socketcall
143 # 127 was create_module
146 # 130 was get_kernel_syms
154 # 137 was afs_syscall
186 # 167 was query_module
188 # 169 was nfsservctl
216 # 196 was getpmsg
217 # 197 was putpmsg
225 # 203 was attrctl
226 # 204 was acl_get
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/linux-5.19.10/arch/m68k/kernel/syscalls/
Dsyscall.tbl27 # 17 was break
41 # 31 was stty
42 # 32 was gtty
45 # 35 was ftime
54 # 44 was prof
63 # 53 was lock
66 # 56 was mpx
68 # 58 was ulimit
69 # 59 was oldolduname
108 # 98 was profil
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/linux-5.19.10/Documentation/devicetree/bindings/gnss/
Dsirfstar.yaml14 chips, starting from the SiRFstarIII which was a chip that was introduced in
15 2004 and used in a lot of dedicated GPS devices. In 2009 SiRF was acquired
16 by CSR (Cambridge Silicon Radio) and in 2012 the CSR GPS business was
18 was acquired by Qualcomm who still sell some of the SiRF products.
/linux-5.19.10/Documentation/arm/nwfpe/
Dnwfpe.rst7 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
/linux-5.19.10/fs/reiserfs/
DREADME40 fair, ask. (Last I spoke with him Richard was contemplating how best
84 Hans Reiser was the project initiator, primary architect, source of all
88 Vladimir Saveljev was one of the programmers, and he worked long hours
91 was quite remarkable. I don't think that money can ever motivate someone
99 substantial portion of the total code. He realized that there was a
106 tried to put me in a position where I was forced into giving control
109 really force takeovers of sole proprietorships.) This was something
111 why we should do what we do, or why innovation was possible in
112 general, but he was sure that he ought to be controlling it. Every
113 innovation had to be forced past him while he was with us. He added
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/linux-5.19.10/Documentation/tools/rtla/
Drtla-timerlat-top.rst115 In the trace, it is possible the notice that the *IRQ* timer latency was
116 already high, accounting *12505 ns*. The IRQ delay was caused by the
119 up the timerlat thread, informed with the **osnoise:irq_noise** event, was
125 The primary reason for this high value is the wake-up path that was hit
126 twice during this case: when the *bash-109109* was waking up a thread
127 and then when the *timerlat* thread was awakened. This information can
130 Note that **rtla timerlat** was dispatched without changing *timerlat* tracer
/linux-5.19.10/Documentation/devicetree/bindings/arm/
Dgemini.yaml11 produced by Storlink Semiconductor around 2005. The company was renamed
13 It was derived from earlier products from Storm named SL3316 (Centroid) and
16 Storm Semiconductor was acquired by Cortina Systems in 2008 and the SoC was
17 produced and used for NAS and similar usecases. In 2014 Cortina Systems was
/linux-5.19.10/Documentation/scsi/
Dsym53c500_cs.rst8 package, and was written by Tom Corner (tcorner@via.at). A rewrite was
14 All the USE_BIOS code has been ripped out. It was never used, and could
20 The Symbios Logic 53c500 chip was used in the "newer" (circa 1997) version
/linux-5.19.10/Documentation/userspace-api/media/dvb/
Dfrontend-stat-properties.rst39 frontend, but it was not possible to collect it (could be a
64 measurement was not complete yet.
83 measurement was not complete yet.
114 measurement was not complete yet.
128 measurement was taken.
142 measurement was not complete yet.
171 measurement was not complete yet.
185 measurement was taken.
199 measurement was not complete yet.
220 measurement was not complete yet.
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/linux-5.19.10/tools/testing/selftests/ftrace/
DREADME55 * FAIL: The test failed, but was expected to succeed. The test which exits
59 for example, the test was interrupted
61 or the test was set up incorrectly
64 * UNTESTED: The test was not run, currently just a placeholder.
70 * XFAIL: The test failed, and was expected to fail.
/linux-5.19.10/arch/arm64/kvm/
Dtrace_arm.h157 TP_PROTO(unsigned long vcpu_pc, bool was, bool now),
158 TP_ARGS(vcpu_pc, was, now),
162 __field( bool, was )
168 __entry->was = was;
173 __entry->vcpu_pc, __entry->was ? "on" : "off",

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