DTRACE_PROBE2
#define DTRACE_PROBE2(a, ...) ((void)0)
#undef DTRACE_PROBE2
#define DTRACE_PROBE2(a, b, c, d, e) \
#undef DTRACE_PROBE2
#define DTRACE_PROBE2(n, t1, a1, t2, a2) \
#define DTRACE_PROBE2(name, type1, arg1, type2, arg2) \
# define DTRACE_PROBE2(_x_, _t1_, _a1_, _t2_, _a2_)
#define DTRACE_PROBE2(provider, name, arg1, arg2) { \
#define DTRACE_PROBE2(name, type1, arg1, type2, arg2) { \