1/* SPDX-License-Identifier: GPL-2.0 */
  2/*
  3 * Trace events for the ChromeOS Sensorhub kernel module
  4 *
  5 * Copyright 2021 Google LLC.
  6 */
  7
  8#undef TRACE_SYSTEM
  9#define TRACE_SYSTEM cros_ec
 10
 11#if !defined(_CROS_EC_SENSORHUB_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
 12#define _CROS_EC_SENSORHUB_TRACE_H_
 13
 14#include <linux/types.h>
 15#include <linux/platform_data/cros_ec_sensorhub.h>
 16
 17#include <linux/tracepoint.h>
 18
 19TRACE_EVENT(cros_ec_sensorhub_timestamp,
 20	    TP_PROTO(u32 ec_sample_timestamp, u32 ec_fifo_timestamp, s64 fifo_timestamp,
 21		     s64 current_timestamp, s64 current_time),
 22	TP_ARGS(ec_sample_timestamp, ec_fifo_timestamp, fifo_timestamp, current_timestamp,
 23		current_time),
 24	TP_STRUCT__entry(
 25		__field(u32, ec_sample_timestamp)
 26		__field(u32, ec_fifo_timestamp)
 27		__field(s64, fifo_timestamp)
 28		__field(s64, current_timestamp)
 29		__field(s64, current_time)
 30		__field(s64, delta)
 31	),
 32	TP_fast_assign(
 33		__entry->ec_sample_timestamp = ec_sample_timestamp;
 34		__entry->ec_fifo_timestamp = ec_fifo_timestamp;
 35		__entry->fifo_timestamp = fifo_timestamp;
 36		__entry->current_timestamp = current_timestamp;
 37		__entry->current_time = current_time;
 38		__entry->delta = current_timestamp - current_time;
 39	),
 40	TP_printk("ec_ts: %9u, ec_fifo_ts: %9u, fifo_ts: %12lld, curr_ts: %12lld, curr_time: %12lld, delta %12lld",
 41		  __entry->ec_sample_timestamp,
 42		__entry->ec_fifo_timestamp,
 43		__entry->fifo_timestamp,
 44		__entry->current_timestamp,
 45		__entry->current_time,
 46		__entry->delta
 47	)
 48);
 49
 50TRACE_EVENT(cros_ec_sensorhub_data,
 51	    TP_PROTO(u32 ec_sensor_num, u32 ec_fifo_timestamp, s64 fifo_timestamp,
 52		     s64 current_timestamp, s64 current_time),
 53	TP_ARGS(ec_sensor_num, ec_fifo_timestamp, fifo_timestamp, current_timestamp, current_time),
 54	TP_STRUCT__entry(
 55		__field(u32, ec_sensor_num)
 56		__field(u32, ec_fifo_timestamp)
 57		__field(s64, fifo_timestamp)
 58		__field(s64, current_timestamp)
 59		__field(s64, current_time)
 60		__field(s64, delta)
 61	),
 62	TP_fast_assign(
 63		__entry->ec_sensor_num = ec_sensor_num;
 64		__entry->ec_fifo_timestamp = ec_fifo_timestamp;
 65		__entry->fifo_timestamp = fifo_timestamp;
 66		__entry->current_timestamp = current_timestamp;
 67		__entry->current_time = current_time;
 68		__entry->delta = current_timestamp - current_time;
 69	),
 70	TP_printk("ec_num: %4u, ec_fifo_ts: %9u, fifo_ts: %12lld, curr_ts: %12lld, curr_time: %12lld, delta %12lld",
 71		  __entry->ec_sensor_num,
 72		__entry->ec_fifo_timestamp,
 73		__entry->fifo_timestamp,
 74		__entry->current_timestamp,
 75		__entry->current_time,
 76		__entry->delta
 77	)
 78);
 79
 80TRACE_EVENT(cros_ec_sensorhub_filter,
 81	    TP_PROTO(struct cros_ec_sensors_ts_filter_state *state, s64 dx, s64 dy),
 82	TP_ARGS(state, dx, dy),
 83	TP_STRUCT__entry(
 84		__field(s64, dx)
 85		__field(s64, dy)
 86		__field(s64, median_m)
 87		__field(s64, median_error)
 88		__field(s64, history_len)
 89		__field(s64, x)
 90		__field(s64, y)
 91	),
 92	TP_fast_assign(
 93		__entry->dx = dx;
 94		__entry->dy = dy;
 95		__entry->median_m = state->median_m;
 96		__entry->median_error = state->median_error;
 97		__entry->history_len = state->history_len;
 98		__entry->x = state->x_offset;
 99		__entry->y = state->y_offset;
100	),
101	TP_printk("dx: %12lld. dy: %12lld median_m: %12lld median_error: %12lld len: %lld x: %12lld y: %12lld",
102		  __entry->dx,
103		__entry->dy,
104		__entry->median_m,
105		__entry->median_error,
106		__entry->history_len,
107		__entry->x,
108		__entry->y
109	)
110);
111
112
113#endif /* _CROS_EC_SENSORHUB_TRACE_H_ */
114
115/* this part must be outside header guard */
116
117#undef TRACE_INCLUDE_PATH
118#define TRACE_INCLUDE_PATH .
119
120#undef TRACE_INCLUDE_FILE
121#define TRACE_INCLUDE_FILE cros_ec_sensorhub_trace
122
123#include <trace/define_trace.h>