cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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cros_ec_sensorhub_trace.h (3586B)

      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>