* Steven Rostedt <rostedt@xxxxxxxxxxx> wrote: > From: Steven Rostedt <srostedt@xxxxxxxxxx> > > This patch adds the support for the C version of recordmcount and > compile times show ~ 12% improvement. I reported this recordmcount performance problem 2 years ago. Better later than never i guess. > +ifdef CONFIG_DYNAMIC_FTRACE > + ifdef CONFIG_HAVE_C_MCOUNT_RECORD > + BUILD_C_RECORDMCOUNT := y > + export BUILD_C_RECORDMCOUNT > --- a/arch/x86/Kconfig > +++ b/arch/x86/Kconfig > @@ -33,6 +33,7 @@ config X86 > select HAVE_KRETPROBES > select HAVE_OPTPROBES > select HAVE_FTRACE_MCOUNT_RECORD > + select HAVE_C_MCOUNT_RECORD The naming is inconsistent here - it should be HAVE_C_RECORDMCOUNT, like the build variable has, and like the utility is called. If we are going to add this flag to most architectures we should name it consistently. Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html