1 /* 2 * Trace files that want to automate creationg of all tracepoints defined 3 * in their file should include this file. The following are macros that the 4 * trace file may define: 5 * 6 * TRACE_SYSTEM defines the system the tracepoint is for 7 * 8 * TRACE_INCLUDE_FILE if the file name is something other than TRACE_SYSTEM.h 9 * This macro may be defined to tell define_trace.h what file to include. 10 * Note, leave off the ".h". 11 * 12 * TRACE_INCLUDE_PATH if the path is something other than core kernel include/trace 13 * then this macro can define the path to use. Note, the path is relative to 14 * define_trace.h, not the file including it. Full path names for out of tree 15 * modules must be used. 16 */ 17 18 #ifdef CREATE_TRACE_POINTS 19 20 /* Prevent recursion */ 21 #undef CREATE_TRACE_POINTS 22 23 #include <linux/stringify.h> 24 25 #undef TRACE_EVENT 26 #define TRACE_EVENT(name, proto, args, tstruct, assign, print) \ 27 DEFINE_TRACE(name) 28 29 #undef TRACE_FORMAT 30 #define TRACE_FORMAT(name, proto, args, print) \ 31 DEFINE_TRACE(name) 32 33 #undef DECLARE_TRACE 34 #define DECLARE_TRACE(name, proto, args) \ 35 DEFINE_TRACE(name) 36 37 #undef TRACE_INCLUDE 38 #undef __TRACE_INCLUDE 39 40 #ifndef TRACE_INCLUDE_FILE 41 # define TRACE_INCLUDE_FILE TRACE_SYSTEM 42 # define UNDEF_TRACE_INCLUDE_FILE 43 #endif 44 45 #ifndef TRACE_INCLUDE_PATH 46 # define __TRACE_INCLUDE(system) <trace/system.h> 47 # define UNDEF_TRACE_INCLUDE_FILE 48 #else 49 # define __TRACE_INCLUDE(system) __stringify(TRACE_INCLUDE_PATH/system.h) 50 #endif 51 52 # define TRACE_INCLUDE(system) __TRACE_INCLUDE(system) 53 54 /* Let the trace headers be reread */ 55 #define TRACE_HEADER_MULTI_READ 56 57 #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) 58 59 #ifdef CONFIG_EVENT_TRACER 60 #include <trace/ftrace.h> 61 #endif 62 63 #undef TRACE_HEADER_MULTI_READ 64 65 /* Only undef what we defined in this file */ 66 #ifdef UNDEF_TRACE_INCLUDE_FILE 67 # undef TRACE_INCLUDE_PATH 68 # undef UNDEF_TRACE_INCLUDE_FILE 69 #endif 70 71 #ifdef UNDEF_TRACE_INCLUDE_FILE 72 # undef TRACE_INCLUDE_PATH 73 # undef UNDEF_TRACE_INCLUDE_FILE 74 #endif 75 76 /* We may be processing more files */ 77 #define CREATE_TRACE_POINTS 78 79 #endif /* CREATE_TRACE_POINTS */ 80