Steven Rostedt (Google)tracing: Add TRACE_CUSTOM_EVENT() macro3a733334 years agoHistory
77 lines · 2.1 KB · C
RawDownload
/* SPDX-License-Identifier: GPL-2.0 *//* * Trace files that want to automate creation of all tracepoints defined * in their file should include this file. The following are macros that the * trace file may define: * * TRACE_SYSTEM defines the system the tracepoint is for * * TRACE_INCLUDE_FILE if the file name is something other than TRACE_SYSTEM.h *     This macro may be defined to tell define_trace.h what file to include. *     Note, leave off the ".h". * * TRACE_INCLUDE_PATH if the path is something other than core kernel include/trace *     then this macro can define the path to use. Note, the path is relative to *     define_trace.h, not the file including it. Full path names for out of tree *     modules must be used. */ #ifdef CREATE_CUSTOM_TRACE_EVENTS /* Prevent recursion */#undef CREATE_CUSTOM_TRACE_EVENTS #include <linux/stringify.h> #undef TRACE_CUSTOM_EVENT#define TRACE_CUSTOM_EVENT(name, proto, args, tstruct, assign, print) #undef DEFINE_CUSTOM_EVENT#define DEFINE_CUSTOM_EVENT(template, name, proto, args) #undef TRACE_INCLUDE#undef __TRACE_INCLUDE #ifndef TRACE_INCLUDE_FILE# define TRACE_INCLUDE_FILE TRACE_SYSTEM# define UNDEF_TRACE_INCLUDE_FILE#endif #ifndef TRACE_INCLUDE_PATH# define __TRACE_INCLUDE(system) <trace/events/system.h># define UNDEF_TRACE_INCLUDE_PATH#else# define __TRACE_INCLUDE(system) __stringify(TRACE_INCLUDE_PATH/system.h)#endif # define TRACE_INCLUDE(system) __TRACE_INCLUDE(system) /* Let the trace headers be reread */#define TRACE_CUSTOM_MULTI_READ #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) #ifdef TRACEPOINTS_ENABLED#include <trace/trace_custom_events.h>#endif #undef TRACE_CUSTOM_EVENT#undef DECLARE_CUSTOM_EVENT_CLASS#undef DEFINE_CUSTOM_EVENT#undef TRACE_CUSTOM_MULTI_READ /* Only undef what we defined in this file */#ifdef UNDEF_TRACE_INCLUDE_FILE# undef TRACE_INCLUDE_FILE# undef UNDEF_TRACE_INCLUDE_FILE#endif #ifdef UNDEF_TRACE_INCLUDE_PATH# undef TRACE_INCLUDE_PATH# undef UNDEF_TRACE_INCLUDE_PATH#endif /* We may be processing more files */#define CREATE_CUSTOM_TRACE_POINTS #endif /* CREATE_CUSTOM_TRACE_POINTS */