projects / lttng-modules.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ca39464 SM |
1 | #undef TRACE_SYSTEM |
| 2 | #define TRACE_SYSTEM i2c | |
| 3 | ||
| 4 | #if !defined(LTTNG_TRACE_I2C_H) || defined(TRACE_HEADER_MULTI_READ) | |
| 5 | #define LTTNG_TRACE_I2C_H | |
| 6 | ||
| 7 | #include <probes/lttng-tracepoint-event.h> | |
| 8 | ||
| 9 | /* | |
| 10 | * __i2c_transfer() write request | |
| 11 | */ | |
| 12 | LTTNG_TRACEPOINT_EVENT_CODE(i2c_write, | |
| 13 | ||
| 14 | TP_PROTO(const struct i2c_adapter *adap, const struct i2c_msg *msg, | |
| 15 | int num), | |
| 16 | ||
| 17 | TP_ARGS(adap, msg, num), | |
| 18 | ||
| 19 | TP_locvar( | |
| 20 | int extract_sensitive_payload; | |
| 21 | ), | |
| 22 | ||
| 23 | TP_code_pre( | |
| 24 | tp_locvar->extract_sensitive_payload = | |
| a8f2d0c7 | 25 | READ_ONCE(extract_sensitive_payload); |
| 2ca39464 SM |
26 | ), |
| 27 | ||
| 28 | TP_FIELDS( | |
| 29 | ctf_integer(int, adapter_nr, adap->nr) | |
| 30 | ctf_integer(__u16, msg_nr, num) | |
| 31 | ctf_integer(__u16, addr, msg->addr) | |
| 32 | ctf_integer(__u16, flags, msg->flags) | |
| 33 | ctf_integer(__u16, len, msg->len) | |
| 34 | ctf_sequence_hex(__u8, buf, | |
| 35 | tp_locvar->extract_sensitive_payload ? | |
| 36 | msg->buf : NULL, | |
| 37 | __u16, | |
| 38 | tp_locvar->extract_sensitive_payload ? | |
| 39 | msg->len : 0) | |
| 40 | ), | |
| 41 | ||
| 42 | TP_code_post() | |
| 43 | ) | |
| 44 | ||
| 45 | /* | |
| 46 | * __i2c_transfer() read request | |
| 47 | */ | |
| 48 | LTTNG_TRACEPOINT_EVENT(i2c_read, | |
| 49 | ||
| 50 | TP_PROTO(const struct i2c_adapter *adap, const struct i2c_msg *msg, | |
| 51 | int num), | |
| 52 | ||
| 53 | TP_ARGS(adap, msg, num), | |
| 54 | ||
| 55 | TP_FIELDS( | |
| 56 | ctf_integer(int, adapter_nr, adap->nr) | |
| 57 | ctf_integer(__u16, msg_nr, num) | |
| 58 | ctf_integer(__u16, addr, msg->addr) | |
| 59 | ctf_integer(__u16, flags, msg->flags) | |
| 60 | ctf_integer(__u16, len, msg->len) | |
| 61 | ) | |
| 62 | ) | |
| 63 | ||
| 64 | /* | |
| 65 | * __i2c_transfer() read reply | |
| 66 | */ | |
| 67 | LTTNG_TRACEPOINT_EVENT_CODE(i2c_reply, | |
| 68 | ||
| 69 | TP_PROTO(const struct i2c_adapter *adap, const struct i2c_msg *msg, | |
| 70 | int num), | |
| 71 | ||
| 72 | TP_ARGS(adap, msg, num), | |
| 73 | ||
| 74 | TP_locvar( | |
| 75 | int extract_sensitive_payload; | |
| 76 | ), | |
| 77 | ||
| 78 | TP_code_pre( | |
| 79 | tp_locvar->extract_sensitive_payload = | |
| a8f2d0c7 | 80 | READ_ONCE(extract_sensitive_payload); |
| 2ca39464 SM |
81 | ), |
| 82 | ||
| 83 | TP_FIELDS( | |
| 84 | ctf_integer(int, adapter_nr, adap->nr) | |
| 85 | ctf_integer(__u16, msg_nr, num) | |
| 86 | ctf_integer(__u16, addr, msg->addr) | |
| 87 | ctf_integer(__u16, flags, msg->flags) | |
| 88 | ctf_integer(__u16, len, msg->len) | |
| 89 | ctf_sequence_hex(__u8, buf, | |
| 90 | tp_locvar->extract_sensitive_payload ? | |
| 91 | msg->buf : NULL, | |
| 92 | __u16, | |
| 93 | tp_locvar->extract_sensitive_payload ? | |
| 94 | msg->len : 0) | |
| 95 | ), | |
| 96 | ||
| 97 | TP_code_post() | |
| 98 | ) | |
| 99 | ||
| 100 | /* | |
| 101 | * __i2c_transfer() result | |
| 102 | */ | |
| 103 | LTTNG_TRACEPOINT_EVENT(i2c_result, | |
| 104 | ||
| 105 | TP_PROTO(const struct i2c_adapter *adap, int num, int ret), | |
| 106 | ||
| 107 | TP_ARGS(adap, num, ret), | |
| 108 | ||
| 109 | TP_FIELDS( | |
| 110 | ctf_integer(int, adapter_nr, adap->nr) | |
| 111 | ctf_integer(__u16, nr_msgs, num) | |
| 112 | ctf_integer(__s16, ret, ret) | |
| 113 | ) | |
| 114 | ) | |
| 115 | ||
| 116 | #endif /* LTTNG_TRACE_I2C_H */ | |
| 117 | ||
| 118 | /* This part must be outside protection */ | |
| 119 | #include <probes/define_trace.h> |