projects / lttng-modules.git / blame
| Commit | Line | Data |
|---|---|---|
| b87700e3 AG |
1 | #undef TRACE_SYSTEM |
| 2 | #define TRACE_SYSTEM printk | |
| 3 | ||
| 3bc29f0a MD |
4 | #if !defined(LTTNG_TRACE_PRINTK_H) || defined(TRACE_HEADER_MULTI_READ) |
| 5 | #define LTTNG_TRACE_PRINTK_H | |
| b87700e3 | 6 | |
| 3bc29f0a | 7 | #include "../../../probes/lttng-tracepoint-event.h" |
| b87700e3 AG |
8 | #include <linux/version.h> |
| 9 | ||
| 68ed2ee0 MD |
10 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0)) |
| 11 | ||
| 3bc29f0a | 12 | LTTNG_TRACEPOINT_EVENT(console, |
| 68ed2ee0 MD |
13 | TP_PROTO(const char *text, size_t len), |
| 14 | ||
| 15 | TP_ARGS(text, len), | |
| 16 | ||
| 17 | TP_STRUCT__entry( | |
| 18 | __dynamic_array_text(char, msg, len) | |
| 19 | ), | |
| 20 | ||
| 21 | TP_fast_assign( | |
| 22 | tp_memcpy_dyn(msg, text) | |
| 23 | ), | |
| 24 | ||
| 25 | TP_printk("%s", __get_str(msg)) | |
| 26 | ) | |
| 27 | ||
| 28 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)) | |
| b87700e3 | 29 | |
| 3bc29f0a | 30 | LTTNG_TRACEPOINT_EVENT_CONDITION(console, |
| b87700e3 AG |
31 | TP_PROTO(const char *log_buf, unsigned start, unsigned end, |
| 32 | unsigned log_buf_len), | |
| 33 | ||
| 34 | TP_ARGS(log_buf, start, end, log_buf_len), | |
| 35 | ||
| 36 | TP_CONDITION(start != end), | |
| 37 | ||
| 38 | TP_STRUCT__entry( | |
| 68ed2ee0 | 39 | __dynamic_array_text(char, msg, end - start) |
| b87700e3 AG |
40 | ), |
| 41 | ||
| 42 | TP_fast_assign( | |
| 68ed2ee0 MD |
43 | tp_memcpy_dyn(msg, log_buf + start) |
| 44 | ), | |
| 45 | ||
| 46 | TP_printk("%s", __get_str(msg)) | |
| 47 | ) | |
| 48 | ||
| 49 | #else /* (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0)) */ | |
| 50 | ||
| 3bc29f0a | 51 | LTTNG_TRACEPOINT_EVENT_CONDITION(console, |
| 68ed2ee0 MD |
52 | TP_PROTO(const char *log_buf, unsigned start, unsigned end, |
| 53 | unsigned log_buf_len), | |
| 54 | ||
| 55 | TP_ARGS(log_buf, start, end, log_buf_len), | |
| 56 | ||
| 57 | TP_CONDITION(start != end), | |
| 58 | ||
| 59 | TP_STRUCT__entry( | |
| 60 | __dynamic_array_text_2(char, msg, | |
| 61 | (start & (log_buf_len - 1)) > (end & (log_buf_len - 1)) | |
| 62 | ? log_buf_len - (start & (log_buf_len - 1)) | |
| 63 | : end - start, | |
| 64 | (start & (log_buf_len - 1)) > (end & (log_buf_len - 1)) | |
| 65 | ? end & (log_buf_len - 1) | |
| 66 | : 0) | |
| 67 | ), | |
| 68 | ||
| 69 | TP_fast_assign( | |
| 70 | tp_memcpy_dyn_2(msg, | |
| 71 | log_buf + (start & (log_buf_len - 1)), | |
| 72 | log_buf) | |
| b87700e3 AG |
73 | ), |
| 74 | ||
| 75 | TP_printk("%s", __get_str(msg)) | |
| 76 | ) | |
| 68ed2ee0 MD |
77 | |
| 78 | #endif | |
| 79 | ||
| 3bc29f0a | 80 | #endif /* LTTNG_TRACE_PRINTK_H */ |
| b87700e3 AG |
81 | |
| 82 | /* This part must be outside protection */ | |
| 83 | #include "../../../probes/define_trace.h" |