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/linux/Documentation/translations/zh_CN/accounting/
H A Dpsi.rst37 压力信息可通过/proc/pressure/ --cpu、memory、io文件分别获取。
74 示例：向/proc/pressure/memory写入"some 150000 1000000"将新增触发器，将在
75 1秒内至少一个任务阻塞于内存的总时间超过150ms时触发。向/proc/pressure/io写入
112 fds.fd = open("/proc/pressure/memory", O_RDWR | O_NONBLOCK);
114 printf("/proc/pressure/memory open error: %s\n",
121 printf("/proc/pressure/memory write error: %s\n",
152 此场景下cgroupfs挂载点的子目录包含cpu.pressure、memory.pressure、io.pressure文件，
153 内容格式与/proc/pressure/下的文件相同。
/linux/drivers/iio/pressure/
H A Dms5611_core.c105 s32 *temp, s32 *pressure) in ms5611_read_temp_and_pressure() argument
110 ret = st->read_adc_temp_and_pressure(st, temp, pressure); in ms5611_read_temp_and_pressure()
117 return st->compensate_temp_and_pressure(st, temp, pressure); in ms5611_read_temp_and_pressure()
121 s32 *temp, s32 *pressure) in ms5611_temp_and_pressure_compensate() argument
123 s32 t = *temp, p = *pressure; in ms5611_temp_and_pressure_compensate()
151 *pressure = (((p * sens) >> 21) - off) >> 15; in ms5611_temp_and_pressure_compensate()
157 s32 *temp, s32 *pressure) in ms5607_temp_and_pressure_compensate() argument
159 s32 t = *temp, p = *pressure; in ms5607_temp_and_pressure_compensate()
187 *pressure = (((p * sens) >> 21) - off) >> 15; in ms5607_temp_and_pressure_compensate()
241 s32 temp, pressure; in ms5611_read_raw() local
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H A Dms5637.c58 unsigned int pressure; in ms5637_read_raw() local
65 &pressure); in ms5637_read_raw()
75 *val = pressure / 1000; in ms5637_read_raw()
76 *val2 = (pressure % 1000) * 1000; in ms5637_read_raw()
H A Dms5611.h49 s32 *temp, s32 *pressure);
52 s32 *pressure);
H A Dms5611_i2c.c58 s32 *temp, s32 *pressure) in ms5611_i2c_read_adc_temp_and_pressure() argument
78 return ms5611_i2c_read_adc(st, pressure); in ms5611_i2c_read_adc_temp_and_pressure()
H A Dms5611_spi.c53 s32 *temp, s32 *pressure) in ms5611_spi_read_adc_temp_and_pressure() argument
77 return ms5611_spi_read_adc(st, pressure); in ms5611_spi_read_adc_temp_and_pressure()
H A Dmprls0025pa.c294 s32 pressure; in mpr_read_raw() local
303 ret = mpr_read_pressure(data, &pressure); in mpr_read_raw()
307 *val = pressure; in mpr_read_raw()
/linux/drivers/input/touchscreen/
H A Dwm831x-ts.c64 bool pressure; member
92 if (wm831x_ts->pressure) in wm831x_ts_data_irq()
139 if (wm831x_ts->pressure) in wm831x_ts_data_irq()
167 if (wm831x_ts->pressure) in wm831x_ts_pen_down_irq()
271 wm831x_ts->pressure = pdata->pressure; in wm831x_ts_probe()
273 wm831x_ts->pressure = true; in wm831x_ts_probe()
281 WARN_ON(pdata->pressure && pdata->fivewire); in wm831x_ts_probe()
282 wm831x_ts->pressure = false; in wm831x_ts_probe()
355 if (wm831x_ts->pressure) in wm831x_ts_probe()
H A Dresistive-adc-touch.c49 bool pressure; member
91 if ((!x && !y) || (st->pressure && (press < st->pressure_min))) { in grts_cb()
100 if (st->pressure) in grts_cb()
170 st->pressure = true; in grts_get_properties()
195 st->pressure = true; in grts_get_properties()
224 if (st->pressure) { in grts_probe()
247 if (st->pressure) in grts_probe()
H A Dmainstone-wm97xx.c85 static int pressure; variable
86 module_param(pressure, int, 0);
87 MODULE_PARM_DESC(pressure, "Pressure readback (1 = pressure, 0 = no pressure)");
143 if (pressure) in wm97xx_acc_pen_down()
H A Dtps6507x-ts.c37 u16 pressure; member
155 &tsc->tc.pressure); in tps6507x_ts_poll()
159 pendown = tsc->tc.pressure > tsc->min_pressure; in tps6507x_ts_poll()
189 input_report_abs(input_dev, ABS_PRESSURE, tsc->tc.pressure); in tps6507x_ts_poll()
H A Dsis_i2c.c177 u8 pressure; in sis_ts_report_contact() local
196 pressure = height = width = 1; in sis_ts_report_contact()
204 pressure = in sis_ts_report_contact()
215 input_report_abs(input, ABS_MT_PRESSURE, pressure); in sis_ts_report_contact()
H A Dwacom_w9000.c158 u16 x, y, pressure; in wacom_w9000_coord() local
181 pressure = get_unaligned_be16(&data[5]); in wacom_w9000_coord()
191 if (pressure > wacom_data->max_pressure) { in wacom_w9000_coord()
192 dev_warn_ratelimited(dev, "Pressure out of range %d\n", pressure); in wacom_w9000_coord()
197 input_report_abs(wacom_data->input_dev, ABS_PRESSURE, pressure); in wacom_w9000_coord()
H A Dwacom_i2c.c111 unsigned int x, y, pressure; in wacom_i2c_irq() local
126 pressure = le16_to_cpup((__le16 *)&data[8]); in wacom_i2c_irq()
140 input_report_abs(input, ABS_PRESSURE, pressure); in wacom_i2c_irq()
/linux/Documentation/accounting/
H A Dpsi.rst38 respective file in /proc/pressure/ -- cpu, memory, and io.
67 Monitoring for pressure thresholds
71 pressure exceeds certain thresholds.
78 /proc/pressure/ representing the resource to be monitored and write the
85 For example writing "some 150000 1000000" into /proc/pressure/memory
87 1sec time window. Writing "full 50000 1000000" into /proc/pressure/io
142 fds.fd = open("/proc/pressure/memory", O_RDWR | O_NONBLOCK);
144 printf("/proc/pressure/memory open error: %s\n",
151 printf("/proc/pressure/memory write error: %s\n",
182 mounted, pressure stall information is also tracked for tasks grouped
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/linux/tools/testing/selftests/hid/tests/
H A Dtest_wacom_generic.py192 self, x, y, pressure, buttons=None, toolid=None, proximity=None, reportID=None argument
224 report.tippressure = pressure
225 report.tipswitch = pressure > 0
264 def event(self, x, y, pressure, buttons=None, toolid=None, proximity=None): argument
276 r = self.create_report(x, y, pressure, buttons, toolid, proximity)
629 pressure=300,
643 uhdev.event(110, 220, pressure=0),
655 pressure=0,
665 uhdev.event(130, 240, pressure=0), [], auto_syn=False, strict=True
695 pressure=0,
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/linux/Documentation/devicetree/bindings/input/touchscreen/
H A Dbu21029.txt14 - touchscreen-max-pressure: maximum pressure value
31 touchscreen-max-pressure = <4095>;
/linux/drivers/input/tablet/
H A Dkbtab.c36 int pressure; in kbtab_irq() local
67 pressure = data[5]; in kbtab_irq()
69 input_report_abs(dev, ABS_PRESSURE, pressure); in kbtab_irq()
71 input_report_key(dev, BTN_LEFT, pressure > kb_pressure_click ? 1 : 0); in kbtab_irq()
/linux/Documentation/input/
H A Devent-codes.rst152 touchpad may set the value to 1 only when the touch pressure rises above a
257 - For touch devices, many devices converted contact size into pressure.
258 A finger flattens with pressure, causing a larger contact area and thus
259 pressure and contact size are directly related. This is not the case
261 pressure sensor ("pressure pads").
264 pressure is in measurable units. If the resolution is zero, the
265 pressure data is in arbitrary units. If the resolution is non-zero, the
266 pressure data is in units/gram. For example, a value of 10 with a
429 table, and report correct units for the pressure.
H A Dmulti-touch-protocol.rst186 than unity, is related to the contact pressure. For pressure-based devices,
187 ABS_MT_PRESSURE may be used to provide the pressure on the contact area
255 the notion of pressure. The fingers of the hand and the palm all have
259 The pressure, in arbitrary units, on the contact area. May be used instead
260 of TOUCH and WIDTH for pressure-based devices or any device with a spatial
263 If the resolution is zero, the pressure data is in arbitrary units.
264 If the resolution is non-zero, the pressure data is in units/gram. See
396 parameters can be used to, e.g., approximate finger pressure or distinguish
/linux/arch/arm/boot/dts/nxp/vf/
H A Dvf500-colibri-eval-v3.dts16 vf50-ts-min-pressure = <200>;
/linux/Documentation/admin-guide/cgroup-v1/
H A Dmemory.rst52 - memory pressure notifier
86 memory.pressure_level set memory pressure notifications
241 the cgroup that brought it in -- this will happen on memory pressure).
357 sockets memory pressure:
358 some sockets protocols have memory pressure
362 tcp memory pressure:
363 sockets memory pressure for the tcp protocol.
535 memory pressure happens. If you want to avoid that, force_empty will be useful.
799 The pressure level notifications can be used to monitor the memory
800 allocation cost; based on the pressure, applications can implement
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/linux/arch/arc/
H A DKconfig.debug9 threads to run on the system and also increase the pressure
/linux/Documentation/iio/
H A Dadis16480.rst47 ADIS16480 and ADIS16488 also provide access to barometric pressure data and
86 | Barometric pressure sensor related files | Description |
88 | in_pressure0_calibbias | Calibration offset for barometric pressure channel. |
90 | in_pressure0_raw | Raw barometric pressure channel value. |
92 | in_pressure0_scale | Scale for the barometric pressure sensor channel. |
241 | Barometric pressure | kilo Pascal |
/linux/drivers/base/
H A Darch_topology.c183 unsigned long max_capacity, capacity, pressure; in topology_update_hw_pressure() local
200 pressure = max_capacity - capacity; in topology_update_hw_pressure()
202 trace_hw_pressure_update(cpu, pressure); in topology_update_hw_pressure()
205 WRITE_ONCE(per_cpu(hw_pressure, cpu), pressure); in topology_update_hw_pressure()

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