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 | ||
| 9bbf98da MD |
12 | LTTNG_TRACEPOINT_EVENT_MAP(console, |
| 13 | ||
| 14 | printk_console, | |
| 15 | ||
| 68ed2ee0 MD |
16 | TP_PROTO(const char *text, size_t len), |
| 17 | ||
| 18 | TP_ARGS(text, len), | |
| 19 | ||
| 20 | TP_STRUCT__entry( | |
| 21 | __dynamic_array_text(char, msg, len) | |
| 22 | ), | |
| 23 | ||
| 24 | TP_fast_assign( | |
| 25 | tp_memcpy_dyn(msg, text) | |
| 26 | ), | |
| 27 | ||
| 28 | TP_printk("%s", __get_str(msg)) | |
| 29 | ) | |
| 30 | ||
| 31 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)) | |
| b87700e3 | 32 | |
| 9bbf98da MD |
33 | LTTNG_TRACEPOINT_EVENT_CONDITION_MAP(console, |
| 34 | ||
| 35 | printk_console, | |
| 36 | ||
| b87700e3 AG |
37 | TP_PROTO(const char *log_buf, unsigned start, unsigned end, |
| 38 | unsigned log_buf_len), | |
| 39 | ||
| 40 | TP_ARGS(log_buf, start, end, log_buf_len), | |
| 41 | ||
| 42 | TP_CONDITION(start != end), | |
| 43 | ||
| 44 | TP_STRUCT__entry( | |
| 68ed2ee0 | 45 | __dynamic_array_text(char, msg, end - start) |
| b87700e3 AG |
46 | ), |
| 47 | ||
| 48 | TP_fast_assign( | |
| 68ed2ee0 MD |
49 | tp_memcpy_dyn(msg, log_buf + start) |
| 50 | ), | |
| 51 | ||
| 52 | TP_printk("%s", __get_str(msg)) | |
| 53 | ) | |
| 54 | ||
| 55 | #else /* (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0)) */ | |
| 56 | ||
| 9bbf98da MD |
57 | LTTNG_TRACEPOINT_EVENT_CONDITION_MAP(console, |
| 58 | ||
| 59 | printk_console, | |
| 60 | ||
| 68ed2ee0 MD |
61 | TP_PROTO(const char *log_buf, unsigned start, unsigned end, |
| 62 | unsigned log_buf_len), | |
| 63 | ||
| 64 | TP_ARGS(log_buf, start, end, log_buf_len), | |
| 65 | ||
| 66 | TP_CONDITION(start != end), | |
| 67 | ||
| 68 | TP_STRUCT__entry( | |
| 69 | __dynamic_array_text_2(char, msg, | |
| 70 | (start & (log_buf_len - 1)) > (end & (log_buf_len - 1)) | |
| 71 | ? log_buf_len - (start & (log_buf_len - 1)) | |
| 72 | : end - start, | |
| 73 | (start & (log_buf_len - 1)) > (end & (log_buf_len - 1)) | |
| 74 | ? end & (log_buf_len - 1) | |
| 75 | : 0) | |
| 76 | ), | |
| 77 | ||
| 78 | TP_fast_assign( | |
| 79 | tp_memcpy_dyn_2(msg, | |
| 80 | log_buf + (start & (log_buf_len - 1)), | |
| 81 | log_buf) | |
| b87700e3 AG |
82 | ), |
| 83 | ||
| 84 | TP_printk("%s", __get_str(msg)) | |
| 85 | ) | |
| 68ed2ee0 MD |
86 | |
| 87 | #endif | |
| 88 | ||
| 3bc29f0a | 89 | #endif /* LTTNG_TRACE_PRINTK_H */ |
| b87700e3 AG |
90 | |
| 91 | /* This part must be outside protection */ | |
| 92 | #include "../../../probes/define_trace.h" |