1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Trace files that want to automate creation of all tracepoints defined 4*4882a593Smuzhiyun * in their file should include this file. The following are macros that the 5*4882a593Smuzhiyun * trace file may define: 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * TRACE_SYSTEM defines the system the tracepoint is for 8*4882a593Smuzhiyun * 9*4882a593Smuzhiyun * TRACE_INCLUDE_FILE if the file name is something other than TRACE_SYSTEM.h 10*4882a593Smuzhiyun * This macro may be defined to tell define_trace.h what file to include. 11*4882a593Smuzhiyun * Note, leave off the ".h". 12*4882a593Smuzhiyun * 13*4882a593Smuzhiyun * TRACE_INCLUDE_PATH if the path is something other than core kernel include/trace 14*4882a593Smuzhiyun * then this macro can define the path to use. Note, the path is relative to 15*4882a593Smuzhiyun * define_trace.h, not the file including it. Full path names for out of tree 16*4882a593Smuzhiyun * modules must be used. 17*4882a593Smuzhiyun */ 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun #ifdef CREATE_TRACE_POINTS 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun /* Prevent recursion */ 22*4882a593Smuzhiyun #undef CREATE_TRACE_POINTS 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun #include <linux/stringify.h> 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun #undef TRACE_EVENT 27*4882a593Smuzhiyun #define TRACE_EVENT(name, proto, args, tstruct, assign, print) \ 28*4882a593Smuzhiyun DEFINE_TRACE(name, PARAMS(proto), PARAMS(args)) 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun #undef TRACE_EVENT_CONDITION 31*4882a593Smuzhiyun #define TRACE_EVENT_CONDITION(name, proto, args, cond, tstruct, assign, print) \ 32*4882a593Smuzhiyun TRACE_EVENT(name, \ 33*4882a593Smuzhiyun PARAMS(proto), \ 34*4882a593Smuzhiyun PARAMS(args), \ 35*4882a593Smuzhiyun PARAMS(tstruct), \ 36*4882a593Smuzhiyun PARAMS(assign), \ 37*4882a593Smuzhiyun PARAMS(print)) 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun #undef TRACE_EVENT_FN 40*4882a593Smuzhiyun #define TRACE_EVENT_FN(name, proto, args, tstruct, \ 41*4882a593Smuzhiyun assign, print, reg, unreg) \ 42*4882a593Smuzhiyun DEFINE_TRACE_FN(name, reg, unreg, PARAMS(proto), PARAMS(args)) 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun #undef TRACE_EVENT_FN_COND 45*4882a593Smuzhiyun #define TRACE_EVENT_FN_COND(name, proto, args, cond, tstruct, \ 46*4882a593Smuzhiyun assign, print, reg, unreg) \ 47*4882a593Smuzhiyun DEFINE_TRACE_FN(name, reg, unreg, PARAMS(proto), PARAMS(args)) 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun #undef TRACE_EVENT_NOP 50*4882a593Smuzhiyun #define TRACE_EVENT_NOP(name, proto, args, struct, assign, print) 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun #undef DEFINE_EVENT_NOP 53*4882a593Smuzhiyun #define DEFINE_EVENT_NOP(template, name, proto, args) 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun #undef DEFINE_EVENT 56*4882a593Smuzhiyun #define DEFINE_EVENT(template, name, proto, args) \ 57*4882a593Smuzhiyun DEFINE_TRACE(name, PARAMS(proto), PARAMS(args)) 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun #undef DEFINE_EVENT_FN 60*4882a593Smuzhiyun #define DEFINE_EVENT_FN(template, name, proto, args, reg, unreg) \ 61*4882a593Smuzhiyun DEFINE_TRACE_FN(name, reg, unreg, PARAMS(proto), PARAMS(args)) 62*4882a593Smuzhiyun 63*4882a593Smuzhiyun #undef DEFINE_EVENT_PRINT 64*4882a593Smuzhiyun #define DEFINE_EVENT_PRINT(template, name, proto, args, print) \ 65*4882a593Smuzhiyun DEFINE_TRACE(name, PARAMS(proto), PARAMS(args)) 66*4882a593Smuzhiyun 67*4882a593Smuzhiyun #undef DEFINE_EVENT_CONDITION 68*4882a593Smuzhiyun #define DEFINE_EVENT_CONDITION(template, name, proto, args, cond) \ 69*4882a593Smuzhiyun DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args)) 70*4882a593Smuzhiyun 71*4882a593Smuzhiyun #undef DECLARE_TRACE 72*4882a593Smuzhiyun #define DECLARE_TRACE(name, proto, args) \ 73*4882a593Smuzhiyun DEFINE_TRACE(name, PARAMS(proto), PARAMS(args)) 74*4882a593Smuzhiyun 75*4882a593Smuzhiyun #undef TRACE_INCLUDE 76*4882a593Smuzhiyun #undef __TRACE_INCLUDE 77*4882a593Smuzhiyun 78*4882a593Smuzhiyun #ifndef TRACE_INCLUDE_FILE 79*4882a593Smuzhiyun # define TRACE_INCLUDE_FILE TRACE_SYSTEM 80*4882a593Smuzhiyun # define UNDEF_TRACE_INCLUDE_FILE 81*4882a593Smuzhiyun #endif 82*4882a593Smuzhiyun 83*4882a593Smuzhiyun #ifndef TRACE_INCLUDE_PATH 84*4882a593Smuzhiyun # define __TRACE_INCLUDE(system) <trace/events/system.h> 85*4882a593Smuzhiyun # define UNDEF_TRACE_INCLUDE_PATH 86*4882a593Smuzhiyun #else 87*4882a593Smuzhiyun # define __TRACE_INCLUDE(system) __stringify(TRACE_INCLUDE_PATH/system.h) 88*4882a593Smuzhiyun #endif 89*4882a593Smuzhiyun 90*4882a593Smuzhiyun # define TRACE_INCLUDE(system) __TRACE_INCLUDE(system) 91*4882a593Smuzhiyun 92*4882a593Smuzhiyun /* Let the trace headers be reread */ 93*4882a593Smuzhiyun #define TRACE_HEADER_MULTI_READ 94*4882a593Smuzhiyun 95*4882a593Smuzhiyun #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) 96*4882a593Smuzhiyun 97*4882a593Smuzhiyun /* Make all open coded DECLARE_TRACE nops */ 98*4882a593Smuzhiyun #undef DECLARE_TRACE 99*4882a593Smuzhiyun #define DECLARE_TRACE(name, proto, args) 100*4882a593Smuzhiyun 101*4882a593Smuzhiyun #ifdef TRACEPOINTS_ENABLED 102*4882a593Smuzhiyun #include <trace/trace_events.h> 103*4882a593Smuzhiyun #include <trace/perf.h> 104*4882a593Smuzhiyun #include <trace/bpf_probe.h> 105*4882a593Smuzhiyun #endif 106*4882a593Smuzhiyun 107*4882a593Smuzhiyun #undef TRACE_EVENT 108*4882a593Smuzhiyun #undef TRACE_EVENT_FN 109*4882a593Smuzhiyun #undef TRACE_EVENT_FN_COND 110*4882a593Smuzhiyun #undef TRACE_EVENT_CONDITION 111*4882a593Smuzhiyun #undef TRACE_EVENT_NOP 112*4882a593Smuzhiyun #undef DEFINE_EVENT_NOP 113*4882a593Smuzhiyun #undef DECLARE_EVENT_CLASS 114*4882a593Smuzhiyun #undef DEFINE_EVENT 115*4882a593Smuzhiyun #undef DEFINE_EVENT_FN 116*4882a593Smuzhiyun #undef DEFINE_EVENT_PRINT 117*4882a593Smuzhiyun #undef DEFINE_EVENT_CONDITION 118*4882a593Smuzhiyun #undef TRACE_HEADER_MULTI_READ 119*4882a593Smuzhiyun #undef DECLARE_TRACE 120*4882a593Smuzhiyun 121*4882a593Smuzhiyun /* Only undef what we defined in this file */ 122*4882a593Smuzhiyun #ifdef UNDEF_TRACE_INCLUDE_FILE 123*4882a593Smuzhiyun # undef TRACE_INCLUDE_FILE 124*4882a593Smuzhiyun # undef UNDEF_TRACE_INCLUDE_FILE 125*4882a593Smuzhiyun #endif 126*4882a593Smuzhiyun 127*4882a593Smuzhiyun #ifdef UNDEF_TRACE_INCLUDE_PATH 128*4882a593Smuzhiyun # undef TRACE_INCLUDE_PATH 129*4882a593Smuzhiyun # undef UNDEF_TRACE_INCLUDE_PATH 130*4882a593Smuzhiyun #endif 131*4882a593Smuzhiyun 132*4882a593Smuzhiyun /* We may be processing more files */ 133*4882a593Smuzhiyun #define CREATE_TRACE_POINTS 134*4882a593Smuzhiyun 135*4882a593Smuzhiyun #endif /* CREATE_TRACE_POINTS */ 136