d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

sdt: annotate the probe test as likely to fail

Browse Source 
This saves a jump in plenty of cases.

Approved by:	re (kib)
MFC after:	1 week
This commit is contained in:
Mateusz Guzik 2016-06-15 08:34:36 +00:00
parent ad7fb14f52
commit 1201d0bc46
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=301922
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sys/sys/sdt.h
View File

@ -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); \