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 | ||
| f127e61e MD |
20 | TP_FIELDS( |
| 21 | ctf_sequence_text(char, msg, text, size_t, len) | |
| 22 | ) | |
| 68ed2ee0 MD |
23 | ) |
| 24 | ||
| 25 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)) | |
| b87700e3 | 26 | |
| 9bbf98da MD |
27 | LTTNG_TRACEPOINT_EVENT_CONDITION_MAP(console, |
| 28 | ||
| 29 | printk_console, | |
| 30 | ||
| 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 | ||
| f127e61e MD |
38 | TP_FIELDS( |
| 39 | ctf_sequence_text(char, msg, log_buf + start, | |
| 40 | size_t, end - start) | |
| 41 | ) | |
| 68ed2ee0 MD |
42 | ) |
| 43 | ||
| 44 | #else /* (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0)) */ | |
| 45 | ||
| 9bbf98da MD |
46 | LTTNG_TRACEPOINT_EVENT_CONDITION_MAP(console, |
| 47 | ||
| 48 | printk_console, | |
| 49 | ||
| 68ed2ee0 MD |
50 | TP_PROTO(const char *log_buf, unsigned start, unsigned end, |
| 51 | unsigned log_buf_len), | |
| 52 | ||
| 53 | TP_ARGS(log_buf, start, end, log_buf_len), | |
| 54 | ||
| 55 | TP_CONDITION(start != end), | |
| 56 | ||
| f127e61e MD |
57 | TP_FIELDS( |
| 58 | /* | |
| 59 | * printk buffer is gathered from two segments on older kernels. | |
| 60 | */ | |
| 61 | ctf_sequence_text(char, msg1, | |
| 62 | log_buf + (start & (log_buf_len - 1)), | |
| 63 | size_t, (start & (log_buf_len - 1)) > (end & (log_buf_len - 1)) | |
| 68ed2ee0 | 64 | ? log_buf_len - (start & (log_buf_len - 1)) |
| f127e61e MD |
65 | : end - start) |
| 66 | ctf_sequence_text(char, msg2, | |
| 67 | log_buf, | |
| 68 | size_t, (start & (log_buf_len - 1)) > (end & (log_buf_len - 1)) | |
| 68ed2ee0 MD |
69 | ? end & (log_buf_len - 1) |
| 70 | : 0) | |
| f127e61e | 71 | ) |
| b87700e3 | 72 | ) |
| 68ed2ee0 MD |
73 | |
| 74 | #endif | |
| 75 | ||
| 3bc29f0a | 76 | #endif /* LTTNG_TRACE_PRINTK_H */ |
| b87700e3 AG |
77 | |
| 78 | /* This part must be outside protection */ | |
| 79 | #include "../../../probes/define_trace.h" |