| /Linux-v5.15/tools/lib/perf/Documentation/ |
| D | libperf-sampling.txt | 1 libperf-sampling(7)
6 libperf-sampling - sampling interface
11 The sampling interface provides API to measure and get count for specific perf events.
13 The following test tries to explain count on `sampling.c` example.
15 It is by no means complete guide to sampling, but shows libperf basic API for sampling.
17 The `sampling.c` comes with libperf package and can be compiled and run like:
21 $ gcc -o sampling sampling.c -lperf
22 $ sudo ./sampling
36 The `sampling.c` example profiles/samples all CPUs with hardware cycles, in a
158 From this moment the cycles event is sampling.
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| /Linux-v5.15/drivers/media/pci/cx88/ |
| D | cx88-input.c | 36 u32 sampling; member
199 if (ir->sampling) { in __cx88_ir_start()
216 if (ir->sampling) { in __cx88_ir_stop()
291 ir->sampling = 0xeb04; /* address */ in cx88_ir_init()
305 ir->sampling = 1; in cx88_ir_init()
397 ir->sampling = 0xff00; /* address */ in cx88_ir_init()
403 ir->sampling = 0xff00; /* address */ in cx88_ir_init()
407 ir->sampling = 0xff00; /* address */ in cx88_ir_init()
424 ir->sampling = 1; in cx88_ir_init()
434 ir->sampling = 0xff00; /* address */ in cx88_ir_init()
[all …]
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| /Linux-v5.15/net/psample/ |
| D | Kconfig | 3 # psample packet sampling configuration
7 tristate "Packet-sampling netlink channel"
10 Say Y here to add support for packet-sampling netlink channel
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| /Linux-v5.15/Documentation/devicetree/bindings/staging/iio/adc/ |
| D | spear-adc.txt | 7 - sampling-frequency: Default sampling frequency
22 sampling-frequency = <5000000>;
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| /Linux-v5.15/tools/perf/tests/attr/ |
| D | test-record-group-sampling | 32 # inherit is disabled for group sampling
35 # sampling disabled
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| /Linux-v5.15/Documentation/devicetree/bindings/sound/ |
| D | nau8824.txt | 53 - nuvoton,sar-sampling-time: SAR sampling time
85 nuvoton,sar-sampling-time = <1>;
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| D | nau8825.txt | 57 - nuvoton,sar-sampling-time: SAR sampling time
97 nuvoton,sar-sampling-time = <0>;
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| /Linux-v5.15/Documentation/vm/damon/ |
| D | design.rst | 77 implementation finds and clears the bit for next sampling target address and
78 checks whether the bit set again after one sampling period. This could disturb
89 monitoring attributes, ``sampling interval``, ``aggregation interval``,
99 ``sampling interval`` and ``aggregation interval``. In detail, DAMON checks
100 access to each page per ``sampling interval`` and aggregates the results. In
115 sleep(sampling interval)
127 one page in the region is required to be checked. Thus, for each ``sampling
129 ``sampling interval``, checks whether the page is accessed meanwhile, and
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| /Linux-v5.15/Documentation/sound/cards/ |
| D | maya44.rst | 29 - playback and capture at all sampling rates
95 The Maya44 card (or more exactly, the Wolfson WM8776 codecs) allow a maximum sampling rate of 192 k…
97 As the ICE1724 chip only allows one global sampling rate, this is handled as follows:
99 * setting the sampling rate on any open PCM device on the maya44 card will always set the *global* …
106 …ditional code for limiting the sampling rate when setting on a capture pcm device. However because…
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| /Linux-v5.15/Documentation/ABI/testing/ |
| D | configfs-usb-gadget-uac1 | 9 c_srate capture sampling rate
17 p_srate playback sampling rate
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| D | configfs-usb-gadget-uac2 | 9 c_srate capture sampling rate
19 p_srate playback sampling rate
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| D | sysfs-bus-iio-timer-stm32 | 97 Reading returns the current sampling frequency.
98 Writing an value different of 0 set and start sampling.
99 Writing 0 stop sampling.
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| /Linux-v5.15/arch/mips/kernel/ |
| D | entry.S | 50 # between sampling and return
87 # sampling and return
131 # sampling and return
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| /Linux-v5.15/Documentation/devicetree/bindings/spi/ |
| D | spi-samsung.txt | 61 - samsung,spi-feedback-delay: The sampling phase shift to be applied on the
66 - 1: 90 degree phase shift sampling.
67 - 2: 180 degree phase shift sampling.
68 - 3: 270 degree phase shift sampling.
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| /Linux-v5.15/kernel/trace/ |
| D | trace_osnoise.c | 96 bool sampling; member
672 if (!osn_var->sampling) in trace_osnoise_callback()
711 if (!osn_var->sampling) in osnoise_trace_irq_entry()
735 if (!osn_var->sampling) in osnoise_trace_irq_exit()
842 if (!osn_var->sampling) in trace_softirq_entry_callback()
866 if (!osn_var->sampling) in trace_softirq_exit_callback()
950 if (!osn_var->sampling) in thread_entry()
974 if (!osn_var->sampling) in thread_exit()
1129 osn_var->sampling = true; in run_osnoise()
1214 osn_var->sampling = false; in run_osnoise()
[all …]
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| /Linux-v5.15/Documentation/devicetree/bindings/mmc/ |
| D | cavium-mmc.txt | 22 - cavium,cmd-clk-skew : number of coprocessor clocks before sampling command
23 - cavium,dat-clk-skew : number of coprocessor clocks before sampling data
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| /Linux-v5.15/tools/power/cpupower/bench/ |
| D | README-BENCH | 74 sampling rate you get:
79 In round 2, if the ondemand sampling times exactly match the load/sleep
91 |-----|-----|-----|-----|-----|-----|-----|---- ondemand sampling (1)
93 |-----|-----|-----|-----|-----|-----|-----|-- ondemand sampling (2)
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| /Linux-v5.15/Documentation/powerpc/ |
| D | imc.rst | 100 to be monitored and the sampling duration. On each overflow in the CPMCxSEL,
145 CPMC_LOAD contains the sampling duration. SAMPSEL and CPMCxSEL determines the
148 memory and reloads the CMPC_LOAD value for the next sampling duration. IMC
178 also provide a way for the operating system to do instruction sampling in real
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| /Linux-v5.15/Documentation/userspace-api/media/v4l/ |
| D | dev-sdr.rst | 46 ADC/DAC sampling rate (sampling frequency) and the possible radio
63 capture and output format. Both the sampling resolution and the data
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| /Linux-v5.15/Documentation/admin-guide/hw-vuln/ |
| D | index.rst | 17 special-register-buffer-data-sampling.rst
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| /Linux-v5.15/Documentation/driver-api/media/drivers/ |
| D | cx88-devel.rst | 78 - Setup 4KHz sampling rate (roughly 2x oversampled; good enough for our RC5
81 - enable sampling
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| /Linux-v5.15/Documentation/devicetree/bindings/phy/ |
| D | apm-xgene-phy.txt | 23 data earlier than the nominal sampling point. 1 means
24 sample data later than the nominal sampling point.
|
| /Linux-v5.15/lib/ |
| D | Kconfig.kfence | 7 bool "KFENCE: low-overhead sampling-based memory safety error detector"
12 KFENCE is a low-overhead sampling-based detector of heap out-of-bounds
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| /Linux-v5.15/tools/perf/Documentation/ |
| D | tips.txt | 28 To change sampling frequency to 100 Hz: perf record -F 100
42 To show IPC for sampling periods use perf record -e '{cycles,instructions}:S' and then browse conte…
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| /Linux-v5.15/Documentation/hwmon/ |
| D | adt7410.rst | 59 continuous temperature sampling, as well as sampling one temperature value per
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