| #ifndef _COMPAT_LINUX_TRACEPOINT_H |
| #define _COMPAT_LINUX_TRACEPOINT_H 1 |
| |
| #include <linux/version.h> |
| |
| #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,32)) |
| /* |
| * Disable all tracing for older kernels |
| * < 2.6.27 had no tracing |
| * 2.6.27 had broken tracing |
| * 2.6.28-2.6.32 didn't have anything like DECLARE_EVENT_CLASS |
| * and faking it would be extremely difficult |
| */ |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28)) |
| /* |
| * For 2.6.28+ include the original tracepoint.h (for kernel header |
| * files that require it to work) but override the defines the code |
| * uses to disable tracing completely. |
| */ |
| #include_next <linux/tracepoint.h> |
| #endif |
| |
| #undef CREATE_TRACE_POINTS |
| |
| #undef TRACE_EVENT |
| #define TRACE_EVENT(name, proto, ...) \ |
| static inline void trace_ ## name(proto) {} |
| #undef DECLARE_EVENT_CLASS |
| #define DECLARE_EVENT_CLASS(...) |
| #undef DEFINE_EVENT |
| #define DEFINE_EVENT(evt_class, name, proto, ...) \ |
| static inline void trace_ ## name(proto) {} |
| #undef EXPORT_TRACEPOINT_SYMBOL |
| #define EXPORT_TRACEPOINT_SYMBOL(...) |
| |
| #define TP_PROTO(args...) args |
| #define TP_ARGS(args...) args |
| #define TP_CONDITION(args...) args |
| |
| #else |
| /* since 2.6.33, tracing hasn't changed, so just include the kernel's file */ |
| #include_next <linux/tracepoint.h> |
| |
| #endif /* (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,32)) */ |
| |
| #endif /* _COMPAT_LINUX_TRACEPOINT_H */ |
