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/linux/tools/testing/selftests/drivers/net/mlxsw/
H A Dq_in_q_veto.sh2 # SPDX-License-Identifier: GPL-2.0
28 ip link set dev $swp1 up
29 ip link set dev $swp2 up
38 ip link set dev $swp2 down
39 ip link set dev $swp1 down
51 ip link set dev br0 addrgenmode none
53 ip link set dev br0 up
54 ip link set dev $swp1 master br0
58 check_fail $? "$netdev_proto vlan upper creation on top of an $bridge_proto bridge not rejected"
62 | grep -q mlxsw_spectrum
[all …]
/linux/drivers/media/pci/bt8xx/
H A Dbttv-risc.c1 // SPDX-License-Identifier: GPL-2.0-or-later
4 bttv-risc.c -- interfaces to other kernel modules
7 - memory management
8 - generation
10 (c) 2000-2003 Gerd Knorr <kraxel@bytesex.org>
25 #include <media/v4l2-ioctl.h>
31 /* ---------------------------------------------------------- */
54 if ((rc = btcx_riscmem_alloc(btv->c.pci,risc,instructions)) < 0) in bttv_risc_packed()
58 rp = risc->cpu; in bttv_risc_packed()
62 while (skip_lines-- > 0) { in bttv_risc_packed()
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/linux/tools/perf/
H A Dbuiltin-top.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * builtin-top.c
5 * Builtin top command: Display a continuously updated profile of
24 #include "util/bpf-event.h"
40 #include "util/synthetic-events.h"
41 #include "util/top.h"
44 #include <subcmd/parse-options.h>
45 #include "util/parse-events.h"
52 #include "util/parse-branch-options.h"
57 #include "util/ordered-events.h"
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/linux/tools/perf/Documentation/
H A Dperf-config.txt1 perf-config(1)
5 ----
6 perf-config - Get and set variables in a configuration file.
9 --------
11 'perf config' [<file-option>] [section.name[=value] ...]
13 'perf config' [<file-option>] -l | --list
16 -----------
20 -------
22 -l::
23 --list::
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/linux/tools/tracing/rtla/tests/
H A Dtimerlat.t2 # SPDX-License-Identifier: GPL-2.0
9 if ldd $RTLA | grep libbpf >/dev/null && [ -d "$timerlat_sample_event" ]
24 "timerlat --help" 0 "timerlat version"
25 check "verify -s/--stack" \
26 "timerlat top -s 3 -T 10 -t" 2 "Blocking thread stack trace"
27 check "verify -P/--priority" \
28 …"timerlat top -P F:1 -c 0 -d 10s -q -T 1 --on-threshold shell,command=\"tests/scripts/check-priori…
29 2 "Priorities are set correctly"
31 "timerlat top -i 2 -c 0 -n -d 10s" 2 "ns"
32 check "set the automatic trace mode" \
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H A Dosnoise.t2 # SPDX-License-Identifier: GPL-2.0
9 "osnoise --help" 0 "osnoise version"
10 check "verify the --priority/-P param" \
11 …"osnoise top -P F:1 -c 0 -r 900000 -d 10s -q -S 1 --on-threshold shell,command=\"tests/scripts/che…
12 2 "Priorities are set correctly"
13 check "verify the --stop/-s param" \
14 "osnoise top -s 30 -T 1" 2 "osnoise hit stop tracing"
15 check "verify the --trace param" \
16 "osnoise hist -s 30 -T 1 -t" 2 "Saving trace to osnoise_trace.txt"
17 check "verify the --entries/-E param" \
[all …]
/linux/tools/tracing/rtla/src/
H A Dtimerlat_top.c1 // SPDX-License-Identifier: GPL-2.0
49 * timerlat_free_top - free runtime data
53 free(data->cpu_data); in timerlat_free_top()
59 timerlat_free_top(tool->data); in timerlat_free_top_tool()
64 * timerlat_alloc_histogram - alloc runtime data
75 data->nr_cpus = nr_cpus; in timerlat_alloc_top()
77 /* one set of histograms per CPU */ in timerlat_alloc_top()
78 data->cpu_data = calloc(1, sizeof(*data->cpu_data) * nr_cpus); in timerlat_alloc_top()
79 if (!data->cpu_data) in timerlat_alloc_top()
82 /* set the min to max */ in timerlat_alloc_top()
[all …]
H A Dosnoise_top.c1 // SPDX-License-Identifier: GPL-2.0
38 * osnoise_free_top - free runtime data
42 free(data->cpu_data); in osnoise_free_top()
48 osnoise_free_top(tool->data); in osnoise_free_top_tool()
52 * osnoise_alloc_histogram - alloc runtime data
62 data->nr_cpus = nr_cpus; in osnoise_alloc_top()
64 /* one set of histograms per CPU */ in osnoise_alloc_top()
65 data->cpu_data = calloc(1, sizeof(*data->cpu_data) * nr_cpus); in osnoise_alloc_top()
66 if (!data->cpu_data) in osnoise_alloc_top()
77 * osnoise_top_handler - this is the handler for osnoise tracer events
[all …]
H A Dosnoise.c1 // SPDX-License-Identifier: GPL-2.0
24 * osnoise_get_cpus - return the original "osnoise/cpus" content
30 if (context->curr_cpus) in osnoise_get_cpus()
31 return context->curr_cpus; in osnoise_get_cpus()
33 if (context->orig_cpus) in osnoise_get_cpus()
34 return context->orig_cpus; in osnoise_get_cpus()
36 context->orig_cpus = tracefs_instance_file_read(NULL, "osnoise/cpus", NULL); in osnoise_get_cpus()
42 return context->orig_cpus; in osnoise_get_cpus()
46 * osnoise_set_cpus - configure osnoise to run on *cpus
48 * "osnoise/cpus" file is used to set the cpus in which osnoise/timerlat
[all …]
/linux/arch/powerpc/mm/book3s32/
H A Dmmu.c1 // SPDX-License-Identifier: GPL-2.0-or-later
7 * -- paulus
10 * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
28 #include <asm/text-patching.h>
60 return bat_addrs[b].phys + (va - bat_addrs[b].start); in v_block_mapped()
72 && pa < (bat_addrs[b].limit-bat_addrs[b].start) in p_block_mapped()
74 return bat_addrs[b].start+(pa-bat_addrs[b].phys); in p_block_mapped()
89 return -1; in find_free_bat()
95 * - max block size is 256 on 6xx.
96 * - base address must be aligned to the block size. So the maximum block size
[all …]
/linux/Documentation/tools/rtla/
H A Drtla-osnoise-top.rst1 .. |tool| replace:: osnoise top
4 rtla-osnoise-top
6 -----------------------------------------------
8 -----------------------------------------------
14 **rtla osnoise top** [*OPTIONS*]
20 **rtla osnoise top** collects the periodic summary from the *osnoise* tracer,
22 displaying the results in a user-friendly format.
37 In the example below, the **rtla osnoise top** tool is set to run with a
38 real-time priority *FIFO:1*, on CPUs *0-3*, for *900ms* at each period
40 the rtla tool. The tool is also set to run for *one minute* and to display
[all …]
/linux/kernel/time/
H A Dtimer_migration.c1 // SPDX-License-Identifier: GPL-2.0-only
15 #include "tick-internal.h"
34 * GRP0:0 - GRP0:2 GRP0:3 - GRP0:5
37 * CPUS 0-7 8-15 16-23 24-31 32-39 40-47
41 * ignore flag of events is set.
50 * no CPU is active, it also checks the groups where no migrator is set
66 * child, the ignore flag of the tmigr_event is set. This indicates, that
80 * duties up to the top level of the hierarchy (LVL2 in the example). It
86 * ---------------
96 * --------------
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/linux/Documentation/sound/designs/
H A Dchannel-mapping-api.rst2 ALSA PCM channel-mapping API
38 the kernel/user-space ABI perspective. It uses only the existing
57 ---
61 ``type data-bytes ch0 ch1 ch2...``
71 type is where pair-wise channels are swappable. For example, when you
88 /* this follows the alsa-lib mixer channel value + 3 */
108 SNDRV_CHMAP_TC, /* top center */
109 SNDRV_CHMAP_TFL, /* top front left */
110 SNDRV_CHMAP_TFR, /* top front right */
111 SNDRV_CHMAP_TFC, /* top front center */
[all …]
/linux/Documentation/userspace-api/media/v4l/
H A Dselection-api-configuration.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
20 :ref:`constraint flags <v4l2-selection-flags>`.
26 See figure :ref:`sel-targets-capture` for examples of the selection
30 The range of coordinates of the top left corner, width and height of
32 target. It is recommended for the driver developers to put the top/left
36 The top left corner, width and height of the source rectangle, that is
45 driver writer considers the complete picture. Drivers shall set the
51 coordinates are expressed in pixels. The rectangle's top/left corner
53 the image size set by :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`.
63 :ref:`constraint flags <v4l2-selection-flags>`.
[all …]
H A Ddev-overlay.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
11 Video overlay devices have the ability to genlock (TV-)video into the
12 (VGA-)video signal of a graphics card, or to store captured images
48 Devices supporting the video overlay interface set the
62 :ref:`streaming parameter <streaming-par>` ioctls as needed. The
76 set these parameters, respectively. The :ref:`VIDIOC_S_FBUF <VIDIOC_G_FBUF>` ioctl is
77 privileged because it allows to set up DMA into physical memory,
80 supposed to run TV applications as root or with SUID bit set. A small
93 1. Chroma-keying displays the overlaid image only where pixels in the
98 the overlaid image. When the bit is set, the corresponding video
[all …]
H A Dfield-order.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _field-order:
29 combine to frames. We distinguish between top (aka odd) and bottom (aka
30 even) fields, the *spatial order*: The first line of the top field is
35 whether a frame commences with the top or bottom field is pointless. Any
36 two successive top and bottom, or bottom and top fields yield a valid
41 Counter to intuition the top field is not necessarily the older field.
42 Whether the older field contains the top or bottom lines is a convention
48 bus in the same order they were captured, so if the top field was
49 captured first (is the older field), the top field is also transmitted
[all …]
/linux/tools/testing/selftests/net/netfilter/
H A Dbr_netfilter.sh2 # SPDX-License-Identifier: GPL-2.0
9 # setup is: ns1 <->,ns0 <-> ns3
10 # ns2 <-' `'-> ns4
14 checktool "nft --version" "run test without nft tool"
17 if [ "$t" -n
[all...]
/linux/drivers/net/ethernet/dec/tulip/
H A Dpnic2.c5 Written/copyright 1994-2001 by Donald Becker.
15 /* Understanding the PNIC_II - everything is this file is based
24 * -----
25 * Bit 24 - SCR
26 * Bit 23 - PCS
27 * Bit 22 - TTM (Trasmit Threshold Mode)
28 * Bit 18 - Port Select
29 * Bit 13 - Start - 1, Stop - 0 Transmissions
30 * Bit 11:10 - Loop Back Operation Mode
31 * Bit 9 - Full Duplex mode (Advertise 10BaseT-FD is CSR14<7> is set)
[all …]
/linux/tools/testing/selftests/bpf/
H A Dtest_lwt_ip_encap.sh
/linux/drivers/net/ethernet/intel/i40e/
H A Di40e_lan_hmc.h1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright(c) 2013 - 2018 Intel Corporation. */
9 /* forward-declare the HW struct for the compiler */
17 * boundaries. If we do not have the width of the variable set to the correct
18 * size then we could end up shifting bits off the top of the variable when the
19 * variable is at the top of a byte and crosses over into the next byte.
44 u8 prefena; /* NOTE: normally must be set to 1 at init */
50 * boundaries. If we do not have the width of the variable set to the correct
51 * size then we could end up shifting bits off the top of the variable when the
52 * variable is at the top of a byte and crosses over into the next byte.
/linux/Documentation/locking/
H A Drt-mutex-design.rst2 RT-mutex implementation design
12 Documentation/locking/rt-mutex.rst. Although this document does explain problems
22 ----------------------------
49 A ---+
52 C +----+
54 B +-------->
59 -------------------------
74 -----------
80 - The PI chain is an ordered series of locks and processes that cause
86 - In this document, to differentiate from locks that implement
[all …]
/linux/arch/powerpc/mm/
H A Dpgtable_32.c1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * -- paulus
7 * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
44 for (; (s32)(FIXADDR_TOP - addr) > 0; in early_ioremap_init()
72 int err = -ENOMEM; in map_kernel_page()
76 /* Use middle 10 bits of VA to index the second-level map */ in map_kernel_page()
83 /* The PTE should never be already set nor present in the in map_kernel_page()
96 static void __init __mapin_ram_chunk(unsigned long offset, unsigned long top) in __mapin_ram_chunk() argument
105 for (; s < top; s += PAGE_SIZE) { in __mapin_ram_chunk()
119 phys_addr_t top = min(end, total_lowmem); in mapin_ram() local
[all …]
/linux/drivers/gpu/drm/msm/disp/dpu1/
H A Ddpu_hw_top.h1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
31 * struct split_pipe_cfg - pipe configuration for dual display panels
47 * @mdp: top level status
56 * struct dpu_vsync_source_cfg - configure vsync source and configure the
78 * struct dpu_hw_mdp_ops - interface to the MDP TOP Hw driver functions
87 * @mdp : mdp top context driver
95 * @mdp : mdp top context driver
102 * setup_clk_force_ctrl - set clock force control
103 * @mdp: mdp top context driver
[all …]
/linux/drivers/md/bcache/
H A Dbset.h1 /* SPDX-License-Identifier: GPL-2.0 */
25 * that it also filters out keys of size 0 - these are keys that have been
27 * them on disk, just unnecessary work - so we filter them out when resorting
31 * collection needs to find them to ensure bucket gens don't wrap around -
35 * front or the back of a bkey - this is mainly used for fixing overlapping
45 * 4 in memory - we lazily resort as needed.
48 * (described below) for searching an individial bset, and on top of that we
53 * Most of the code in bcache doesn't care about an individual bset - it needs
62 * Since keys are variable length, we can't use a binary search on a bset - we
68 * into the last (unwritten) set, most of the keys within a given btree node are
[all …]
/linux/include/media/
H A Dv4l2-rect.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * v4l2-rect.h - v4l2_rect helper functions
14 * v4l2_rect_set_size_to() - copy the width/height values.
15 * @r: rect whose width and height fields will be set
21 r->width = size->width; in v4l2_rect_set_size_to()
22 r->height = size->height; in v4l2_rect_set_size_to()
26 * v4l2_rect_set_min_size() - width and height of r should be >= min_size.
33 if (r->width < min_size->width) in v4l2_rect_set_min_size()
34 r->width = min_size->width; in v4l2_rect_set_min_size()
35 if (r->height < min_size->height) in v4l2_rect_set_min_size()
[all …]

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