perf_
module_param_named(id, perf_selftests[perf_##n].enabled, bool, 0400);
#define selftest(n, f) [perf_##n] = { .name = #n, { .live = f } },
(sc)->tulip_curperfstats.perf_ ## name ## _cycles += TULIP_PERFDIFF(perfstart_ ## name, TULIP_PERFREAD()); \
(sc)->tulip_curperfstats.perf_ ## name++; \