svn commit: r249549 - in stable/9/sys: amd64/conf i386/conf

[Steven Hartland]

----- Original Message ----- 
From: "Brooks Davis" <brooks at FreeBSD.org>
> Author: brooks
> Date: Tue Apr 16 16:09:27 2013
> New Revision: 249549
> URL: http://svnweb.freebsd.org/changeset/base/249549
> 
> Log:
>  MFC (much delayed) 234504:
>  
>  Enable DTrace hooks in GENERIC.
> 
> Modified:
>  stable/9/sys/amd64/conf/GENERIC
>  stable/9/sys/i386/conf/GENERIC
> Directory Properties:
>  stable/9/sys/   (props changed)
> 
> Modified: stable/9/sys/amd64/conf/GENERIC
> ==============================================================================
> --- stable/9/sys/amd64/conf/GENERIC Tue Apr 16 14:22:16 2013 (r249548)
> +++ stable/9/sys/amd64/conf/GENERIC Tue Apr 16 16:09:27 2013 (r249549)
> @@ -22,6 +22,7 @@ cpu HAMMER
> ident GENERIC
> 
> makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
> +makeoptions WITH_CTF=1 # Run ctfconvert(1) for DTrace support
> 
> options SCHED_ULE # ULE scheduler
> options PREEMPTION # Enable kernel thread preemption
> @@ -63,11 +64,12 @@ options KBD_INSTALL_CDEV # install a CD
> options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4)
> options AUDIT # Security event auditing
> options MAC # TrustedBSD MAC Framework
> -#options KDTRACE_FRAME # Ensure frames are compiled in
> -#options KDTRACE_HOOKS # Kernel DTrace hooks
> +options KDTRACE_FRAME # Ensure frames are compiled in
> +options KDTRACE_HOOKS # Kernel DTrace hooks
> options INCLUDE_CONFIG_FILE     # Include this file in kernel
> options KDB # Kernel debugger related code
> options KDB_TRACE # Print a stack trace for a panic
> +options DDB_CTF # kernel ELF linker loads CTF data
> 
> # Make an SMP-capable kernel by default
> options SMP # Symmetric MultiProcessor Kernel
> 
> Modified: stable/9/sys/i386/conf/GENERIC
> ==============================================================================
> --- stable/9/sys/i386/conf/GENERIC Tue Apr 16 14:22:16 2013 (r249548)
> +++ stable/9/sys/i386/conf/GENERIC Tue Apr 16 16:09:27 2013 (r249549)
> @@ -24,6 +24,7 @@ cpu I686_CPU
> ident GENERIC
> 
> makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
> +makeoptions WITH_CTF=1 # Run ctfconvert(1) for DTrace support
> 
> options SCHED_ULE # ULE scheduler
> options PREEMPTION # Enable kernel thread preemption
> @@ -64,10 +65,11 @@ options KBD_INSTALL_CDEV # install a CD
> options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4)
> options AUDIT # Security event auditing
> options MAC # TrustedBSD MAC Framework
> -#options KDTRACE_HOOKS # Kernel DTrace hooks
> +options KDTRACE_HOOKS # Kernel DTrace hooks
> options INCLUDE_CONFIG_FILE     # Include this file in kernel
> options KDB # Kernel debugger related code
> options KDB_TRACE # Print a stack trace for a panic
> +options DDB_CTF # kernel ELF linker loads CTF data
> 
> # To make an SMP kernel, the next two lines are needed
> options SMP # Symmetric MultiProcessor Kernel

What's the performance / memory usage impact of enabling these
by default?

    Regards
    Steve

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