diff options
Diffstat (limited to 'kernel/trace/trace_output.h')
| -rw-r--r-- | kernel/trace/trace_output.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/kernel/trace/trace_output.h b/kernel/trace/trace_output.h index 1fcc76e1378e..ecab4ea4a4fd 100644 --- a/kernel/trace/trace_output.h +++ b/kernel/trace/trace_output.h @@ -36,8 +36,24 @@ struct trace_event *ftrace_find_event(int type); int register_ftrace_event(struct trace_event *event); int unregister_ftrace_event(struct trace_event *event); +int +trace_nop_print(struct trace_seq *s, struct trace_entry *entry, int flags); + #define MAX_MEMHEX_BYTES 8 #define HEX_CHARS (MAX_MEMHEX_BYTES*2 + 1) +#define SEQ_PUT_FIELD_RET(s, x) \ +do { \ + if (!trace_seq_putmem(s, &(x), sizeof(x))) \ + return 0; \ +} while (0) + +#define SEQ_PUT_HEX_FIELD_RET(s, x) \ +do { \ + BUILD_BUG_ON(sizeof(x) > MAX_MEMHEX_BYTES); \ + if (!trace_seq_putmem_hex(s, &(x), sizeof(x))) \ + return 0; \ +} while (0) + #endif |