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 
19 TRACE_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 
50 TRACE_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 
80 TRACE_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>
124