54 lines
2.0 KiB
C
54 lines
2.0 KiB
C
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/*
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* include/trace/events/nvs_sensors.h
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*
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* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
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*
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* This file is licensed under the terms of the GNU General Public License
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* version 2. This program is licensed "as is" without any warranty of any
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* kind, whether express or implied.
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*/
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#ifndef _LINUX_TRACE_EVENTS_NVS_SENSORS_H
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#define _LINUX_TRACE_EVENTS_NVS_SENSORS_H
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#include <trace/events/atrace.h>
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#define TRACE_SENSOR_ID (100)
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/*
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* (keep sync with sensor HAL trace.h)
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* COOKIE defintion for sensor HAL ATRACE events
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*
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* 3322222222221111111111000 0 000000 - Bit
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* 1098765432109876543210987 6 543210 Position
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* +-------------------------+-+------+
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* | TIMESTAMP |P| STYPE|
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* +-------------------------+-+------+
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*
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* Where:
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* TIMESTAMP = Sensor event timestamp
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* P = Private sensor bit indicator (1=private, 0=not private)
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* STYPE = Sensor TYPE
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*/
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#define COOKIE_TOTAL_BITS 32
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#define COOKIE_SENSOR_TYPE_BITS 6
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#define COOKIE_SENSOR_PRIVATE_BITS 1
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#define COOKIE_TIMESTAMP_BITS (COOKIE_TOTAL_BITS - COOKIE_SENSOR_PRIVATE_BITS - COOKIE_SENSOR_TYPE_BITS)
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#define COOKIE_SENSOR_TYPE_SHIFT 0
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#define COOKIE_SENSOR_PRIVATE_SHIFT COOKIE_SENSOR_TYPE_BITS
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#define COOKIE_TIMESTAMP_SHIFT (COOKIE_SENSOR_PRIVATE_BITS + COOKIE_SENSOR_TYPE_BITS)
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#define COOKIE_SENSOR_TYPE_MASK (((1 << COOKIE_SENSOR_TYPE_BITS) - 1) << COOKIE_SENSOR_TYPE_SHIFT)
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#define COOKIE_SENSOR_PRIVATE_MASK (((1 << COOKIE_SENSOR_PRIVATE_BITS) - 1) << COOKIE_SENSOR_PRIVATE_SHIFT)
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#define COOKIE_TIMESTAMP_MASK (((1 << COOKIE_TIMESTAMP_BITS) - 1) << COOKIE_TIMESTAMP_SHIFT)
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#define SENSOR_TYPE_PRIVATE_BIT_POS 16
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#define TIMESTAMP_SCALE_SHIFT 16 // divide by 65536
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#define COOKIE(sensor_type,timestamp) \
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(((sensor_type >> (COOKIE_TOTAL_BITS - SENSOR_TYPE_PRIVATE_BIT_POS - COOKIE_SENSOR_PRIVATE_SHIFT)) & COOKIE_SENSOR_PRIVATE_MASK) | \
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((sensor_type << COOKIE_SENSOR_TYPE_SHIFT) & COOKIE_SENSOR_TYPE_MASK) | \
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(((timestamp >> TIMESTAMP_SCALE_SHIFT) << COOKIE_TIMESTAMP_SHIFT) & COOKIE_TIMESTAMP_MASK))
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#endif /* _LINUX_TRACE_EVENTS_NVS_SENSORS_H */
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