From f2a1935bcbe42a8350a8564d494274d3efe1f917 Mon Sep 17 00:00:00 2001 From: mjg Date: Wed, 15 Jun 2016 08:34:36 +0000 Subject: sdt: annotate the probe test as likely to fail This saves a jump in plenty of cases. Approved by: re (kib) MFC after: 1 week --- sys/sys/sdt.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/sys/sdt.h b/sys/sys/sdt.h index 5dd0b67..25423d7 100644 --- a/sys/sys/sdt.h +++ b/sys/sys/sdt.h @@ -161,7 +161,7 @@ SET_DECLARE(sdt_argtypes_set, struct sdt_argtype); extern struct sdt_probe sdt_##prov##_##mod##_##func##_##name[1] #define SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) do { \ - if (sdt_##prov##_##mod##_##func##_##name->id) \ + if (__predict_false(sdt_##prov##_##mod##_##func##_##name->id)) \ (*sdt_probe_func)(sdt_##prov##_##mod##_##func##_##name->id, \ (uintptr_t) arg0, (uintptr_t) arg1, (uintptr_t) arg2, \ (uintptr_t) arg3, (uintptr_t) arg4); \ -- cgit v1.1