Messages in this thread | | | Date | Mon, 12 Mar 2012 14:03:51 -0400 | From | Jason Baron <> | Subject | Re: [PATCH 5/7] x86/jump labels: Use etiher 5 byte or 2 byte jumps |
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On Mon, Mar 12, 2012 at 01:27:07PM -0400, Steven Rostedt wrote: > Here's my numbers from the latest changes. They are not as big, perhaps > I had debug enabled too. I took a debian 3.0 config, enabled jump labels > and some tracing, did a make localyesconfig (something broke it as the > config still had modules that I had to manual convert to =y). Here's the > results: > > > gcc 4.6.0 > > text data bss dec hex filename > 14355064 1810272 5722112 21887448 14df9d8 vmlinux > 14354490 1810400 5722112 21887002 14df81a vmlinux-patched > > It's only a 574 byte savings. That's not much. I wish I had the config I > used the first time. I may have had debug on that gave it a bigger > impact. > > Attached is the config: > > -- Steve >
At least you got a decrease! Using your .config I got the same 574 byte savings:
14310698 1810160 5722112 21842970 14d4c1a vmlinux-orig 14310124 1810288 5722112 21842524 14d4a5c vmlinux-new
I'm attaching my .config which is basically a defconfig with a few extra configs for my h/w + kvm + ext4.
Thanks,
-Jason [unhandled content-type:application/x-bzip2] | |