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/linux/Documentation/devicetree/bindings/thermal/
H A Dqcom-spmi-adc-tm5.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/thermal/qcom-spmi-adc-tm5.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
9 - Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
11 $ref: thermal-sensor.yaml#
16 - qcom,spmi-adc-tm5
17 - qcom,spmi-adc-tm5-gen2
18 - qcom,adc-tm7 # Incomplete / subject to change
26 "#thermal-sensor-cells":
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H A Dqcom-spmi-adc-tm-hc.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/thermal/qcom-spmi-adc-tm-hc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
9 - Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
11 $ref: thermal-sensor.yaml#
15 const: qcom,spmi-adc-tm-hc
23 "#thermal-sensor-cells":
26 "#address-cells":
29 "#size-cells":
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/linux/tools/perf/tests/shell/common/
H A Dpatterns.sh1 # SPDX-License-Identifier: GPL-2.0
3 export RE_NUMBER="[0-9\.]+"
9 export RE_NUMBER_HEX="[0-9A-Fa-f]+"
18 …xport RE_DATE_YYYYMMDD="[0-9]{4}-(?:(?:01|03|05|07|08|10|12)-(?:[0-2][0-9]|3[0-1])|02-[0-2][0-9]|(…
19 # Date in YYYY-MM-DD form
21 # 1990-02-29
22 # 0015-07-31
23 # 2456-12-31
24 #! 2012-13-01
25 #! 1963-09-31
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/linux/drivers/cpuidle/governors/
H A Dmenu.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * menu.c - the menu idle governor
5 * Copyright (C) 2006-2007 Adam Belay <abelay@novell.com>
39 * -----------------------
61 * Repeatable-interval-detector
62 * ----------------------------
102 /* Update the repeating-pattern data. */ in menu_update_intervals()
103 data->intervals[data->interval_ptr++] = interval_us; in menu_update_intervals()
104 if (data->interval_ptr >= INTERVALS) in menu_update_intervals()
105 data->interval_ptr = 0; in menu_update_intervals()
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/linux/tools/perf/Documentation/
H A Dperf-kwork.txt1 perf-kwork(1)
5 ----
6 perf-kwork - Tool to trace/measure kernel work properties (latencies)
9 --------
14 -----------
29 perf kwork record -- sleep 1
31 perf kwork report -b
33 perf kwork latency -b
36 perf kwork top -b
43 ----------------- ----------------- ------ ------------------------- ---------- ----------
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H A Dperf-report.txt1 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 -----------
19 -------
20 -i::
21 --input=::
24 -v::
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H A Dperf-lock.txt1 perf-lock(1)
5 ----
6 perf-lock - Analyze lock events
9 --------
14 -----------
33 --------------
35 -i::
36 --input=<file>::
39 --output=<file>::
42 -v::
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/linux/Documentation/tools/rtla/
H A Drtla-osnoise-hist.rst4 rtla-osnoise-hist
6 ------------------------------------------------------
7 Display a histogram of the osnoise tracer samples
8 ------------------------------------------------------
21 occurrence in a histogram, displaying the results in a user-friendly way.
35 In the example below, *osnoise* tracer threads are set to run with real-time
36 priority *FIFO:1*, on CPUs *0-11*, for *900ms* at each period (*1s* by
41 [root@f34 ~/]# rtla osnoise hist -P F:1 -c 0-11 -r 900000 -d 1M -b 10 -E 25
45 …Index CPU-000 CPU-001 CPU-002 CPU-003 CPU-004 CPU-005 CPU-006 CPU-007 CPU-008 …
55 …avg: 0 0 0 0 0 0 0 0 0 …
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/linux/kernel/sched/
H A Dpsi.c1 // SPDX-License-Identifier: GPL-2.0
34 * In the FULL state of a given resource, all non-idle tasks are
44 * CPU, productive means an on-CPU task.
48 * FULL means all non-idle tasks in the cgroup are delayed on the CPU
64 * unrealized due to resource contention *also* scales with non-idle
83 * we have to base our calculation on the number of non-idle tasks in
91 * FULL = (threads - min(nr_productive_tasks, threads)) / threads
97 * FULL = (256 - min(256, 256)) / 256 = 0%
99 * For the 1 out of 4 memory-delayed tasks, this yields:
103 * FULL = (4 - min(3, 4)) / 4 = 25%
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H A Dfair.c1 // SPDX-License-Identifier: GPL-2.0
44 #include <linux/memory-tiers.h>
62 * The initial- and re-scaling of tunables is configurable
66 * SCHED_TUNABLESCALING_NONE - unscaled, always *1
67 * SCHED_TUNABLESCALING_LOG - scaled logarithmically, *1+ilog(ncpus)
68 * SCHED_TUNABLESCALING_LINEAR - scaled linear, *ncpus
75 * Minimal preemption granularity for CPU-bound tasks:
96 return -cpu; in arch_asym_cpu_priority()
116 * Amount of runtime to allocate from global (tg) to local (per-cfs_rq) pool
167 lw->weight += inc; in update_load_add()
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/linux/drivers/platform/chrome/
H A Dcros_ec_sensorhub_ring.c1 // SPDX-License-Identifier: GPL-2.0-only
43 int id = sample->sensor_id; in cros_sensorhub_send_sample()
46 if (id >= sensorhub->sensor_num) in cros_sensorhub_send_sample()
47 return -EINVAL; in cros_sensorhub_send_sample()
49 cb = sensorhub->push_data[id].push_data_cb; in cros_sensorhub_send_sample()
53 indio_dev = sensorhub->push_data[id].indio_dev; in cros_sensorhub_send_sample()
55 if (sample->flag & MOTIONSENSE_SENSOR_FLAG_FLUSH) in cros_sensorhub_send_sample()
58 return cb(indio_dev, sample->vector, sample->timestamp); in cros_sensorhub_send_sample()
62 * cros_ec_sensorhub_register_push_data() - register the callback to the hub.
80 if (sensor_num >= sensorhub->sensor_num) in cros_ec_sensorhub_register_push_data()
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/linux/drivers/media/platform/st/sti/hva/
H A Dhva-debugfs.c1 // SPDX-License-Identifier: GPL-2.0
11 #include "hva-hw.h"
15 struct hva_streaminfo *stream = &ctx->streaminfo; in format_ctx()
16 struct hva_frameinfo *frame = &ctx->frameinfo; in format_ctx()
17 struct hva_controls *ctrls = &ctx->ctrls; in format_ctx()
18 struct hva_ctx_dbg *dbg = &ctx->dbg; in format_ctx()
21 seq_printf(s, "|-%s\n |\n", ctx->name); in format_ctx()
23 seq_printf(s, " |-[%sframe info]\n", in format_ctx()
24 ctx->flags & HVA_FLAG_FRAMEINFO ? "" : "default "); in format_ctx()
25 seq_printf(s, " | |- pixel format=%4.4s\n" in format_ctx()
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/linux/tools/perf/util/
H A Dannotate.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Parts came from builtin-annotate.c, see those files for further
16 #include "build-id.h"
30 #include "annotate-data.h"
33 #include "bpf-event.h"
34 #include "bpf-utils.h"
35 #include "block-range.h"
37 #include "dwarf-regs.h"
50 #include <subcmd/parse-options.h>
51 #include <subcmd/run-command.h>
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H A Dannotate.h1 /* SPDX-License-Identifier: GPL-2.0 */
107 u64 avg; member
150 return which < PERCENT_MAX ? data->percent[which] : -1; in annotation_data__percent()
179 return dl->ops.target.offset_avail && !dl->ops.target.outside; in disasm_line__has_local_offset()
207 /* save data type info keyed by al->offset */
226 * struct sym_hist - symbol histogram information for an event
228 * @nr_samples: Total number of samples.
237 * struct cyc_hist - (CPU) cycle histogram for a basic block
245 * @num: Number of samples for the longest basic block.
246 * @num_aggr: Total number of samples for this address.
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/linux/drivers/iio/adc/
H A Dina2xx-adc.c11 * Copyright 2010-2011 Analog Devices Inc.
14 * Copyright 2012 Lothar Felten <l-felten@ti.com>
16 * Licensed under the GPL-2 or later.
18 * IIO driver for INA219-220-226-230-231
20 * Configurable 7-bit I2C slave address from 0x40 to 0x4F
51 /* settings - depend on use case */
98 #define SAMPLING_PERIOD(c) ((c->int_time_vbus + c->int_time_vshunt) \
99 * c->avg)
144 int avg; member
190 ret = regmap_read(chip->regmap, chan->address, &regval); in ina2xx_read_raw()
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/linux/tools/perf/ui/
H A Dhist.c1 // SPDX-License-Identifier: GPL-2.0
14 #include "../util/mem-events.h"
44 double avg = nr_samples ? (1.0 * val / nr_samples) : 0; in __hpp__fmt_print() local
46 return hpp__call_print_fn(hpp, print_fn, fmt, len, avg); in __hpp__fmt_print()
55 int samples; member
63 struct hists *hists = he->hists; in __hpp__fmt()
66 char *buf = hpp->buf; in __hpp__fmt()
67 size_t size = hpp->size; in __hpp__fmt()
72 nr_members = evsel->core.nr_members; in __hpp__fmt()
80 values[0].samples = he->stat.nr_events; in __hpp__fmt()
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/linux/tools/tracing/rtla/src/
H A Dosnoise_hist.c1 // SPDX-License-Identifier: GPL-2.0
19 int *samples; member
37 * osnoise_free_histogram - free runtime data
45 for (cpu = 0; cpu < data->nr_cpus; cpu++) { in osnoise_free_histogram()
46 if (data->hist[cpu].samples) in osnoise_free_histogram()
47 free(data->hist[cpu].samples); in osnoise_free_histogram()
51 if (data->hist) in osnoise_free_histogram()
52 free(data->hist); in osnoise_free_histogram()
59 osnoise_free_histogram(tool->data); in osnoise_free_hist_tool()
63 * osnoise_alloc_histogram - alloc runtime data
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/linux/drivers/platform/x86/
H A Dintel_ips.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2009-2010 Intel Corporation
10 * Some Intel Ibex Peak based platforms support so-called "intelligent
34 * - dual MCP configs
37 * - handle CPU hotplug
38 * - provide turbo enable/disable api
41 * - CDI 403777, 403778 - Auburndale EDS vol 1 & 2
42 * - CDI 401376 - Ibex Peak EDS
43 * - ref 26037, 26641 - IPS BIOS spec
44 * - ref 26489 - Nehalem BIOS writer's guide
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/linux/tools/perf/
H A Dbuiltin-kvm.c1 // SPDX-License-Identifier: GPL-2.0
5 #include "util/build-id.h"
16 #include <subcmd/parse-options.h>
17 #include "util/trace-event.h"
21 #include "util/synthetic-events.h"
24 #include "util/ordered-events.h"
25 #include "util/kvm-stat.h"
59 if (vcpu == -1) \
60 return event->total.field; \
62 if (vcpu >= event->max_vcpu) \
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H A Dbuiltin-sched.c1 // SPDX-License-Identifier: GPL-2.0
4 #include "perf-sys.h"
22 #include "util/time-utils.h"
25 #include <subcmd/parse-options.h>
26 #include "util/trace-event.h"
176 * Track the current task - that way we can know whether there's any
248 u64 dt_delay; /* time between wakeup and sched-in */
306 } while (T1 + sched->run_measurement_overhead < T0 + nsecs); in burn_nsecs()
328 delta = T1-T0; in calibrate_run_measurement_overhead()
331 sched->run_measurement_overhead = min_delta; in calibrate_run_measurement_overhead()
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H A Dbuiltin-kwork.c1 // SPDX-License-Identifier: GPL-2.0
3 * builtin-kwork.c
26 #include <subcmd/parse-options.h>
27 #include <event-parse.h>
67 if (l->cpu > r->cpu) in id_cmp()
69 if (l->cpu < r->cpu) in id_cmp()
70 return -1; in id_cmp()
72 if (l->id > r->id) in id_cmp()
74 if (l->id < r->id) in id_cmp()
75 return -1; in id_cmp()
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/linux/tools/testing/selftests/bpf/progs/
H A Dbpf_cubic.c1 // SPDX-License-Identifier: GPL-2.0-only
13 * "while (ca->ack_cnt > delta)" loop is changed to the equivalent
14 * "ca->ack_cnt / delta" operation.
27 return (__s32)(seq1-seq2) < 0; in before()
43 /* Number of delay samples for detecting the increase of delay */
62 / (BICTCP_BETA_SCALE - beta);
63 /* calculate the "K" for (wmax-cwnd) = c/rtt * K^3
64 * so K = cubic_root( (wmax-cwnd)*rtt/c )
73 * HZ < 1,000,00 (corresponding to 10 nano-second)
94 __u8 sample_cnt; /* number of samples to decide curr_rtt */
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/linux/drivers/media/platform/microchip/
H A Dmicrochip-isc-base.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2016-2019 Microchip Technology, Inc.
21 #include <linux/atmel-isc-media.h>
23 #include <media/v4l2-ctrls.h>
24 #include <media/v4l2-device.h>
25 #include <media/v4l2-event.h>
26 #include <media/v4l2-image-sizes.h>
27 #include <media/v4l2-ioctl.h>
28 #include <media/v4l2-fwnode.h>
29 #include <media/v4l2-subdev.h>
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/linux/drivers/hid/
H A Dhid-nintendo.c1 // SPDX-License-Identifier: GPL-2.0+
3 * HID driver for Nintendo Switch Joy-Cons and Pro Controllers
5 * Copyright (c) 2019-2021 Daniel J. Ogorchock <djogorchock@gmail.com>
12 * https://gitlab.com/pjranki/joycon-linux-kernel (Peter Rankin)
16 * hid-wiimote kernel hid driver
17 * hid-logitech-hidpp driver
18 * hid-sony driver
20 * This driver supports the Nintendo Switch Joy-Cons and Pro Controllers. The
31 #include "hid-ids.h"
120 (JC_CAL_USR_LEFT_DATA_END - JC_CAL_USR_LEFT_DATA_ADDR + 1)
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/linux/net/ipv4/
H A Dtcp_bbr.c21 * +---> STARTUP ----+
24 * | DRAIN ----+
27 * +---> PROBE_BW ----+
30 * | +----+ |
32 * +---- PROBE_RTT <--+
37 * A long-lived BBR flow spends the vast majority of its time remaining
42 * it briefly enters PROBE_RTT to cut inflight to a minimum value to re-probe
43 * the path's two-way propagation delay (min_rtt). When exiting PROBE_RTT, if
48 * "BBR: Congestion-Based Congestion Control",
50 * Van Jacobson. ACM Queue, Vol. 14 No. 5, September-October 2016.
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