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    SubjectRe: [PATCH 1/2] Colored kernel output (run3)

    On Oct 7 2007 18:44, Ingo Molnar wrote:
    >> This patch makes it possible to give kernel messages a selectable
    >> color. It can be chosen at compile time, overridden at boot time, and
    >> changed at run time.
    >
    >here's some (good) text footprint data:
    >
    >with the feature disabled (which is the default), the text size
    >difference with patch #1:
    >
    > vmlinux:
    > text data bss dec hex filename
    > 7732358 1157269 401408 9291035 8dc51b vmlinux.before
    > 7732358 1157269 401408 9291035 8dc51b vmlinux.after
    >

    I already posted the numbers. But it seems like the archives
    like lkml.org or marc.info did not archive them (but i've cc'ed plenty
    so you did not miss it.). See below.

    >i.e. no overhead. Text size difference with patch #2:
    >
    > vmlinux:
    > text data bss dec hex filename
    > 7732358 1157269 401408 9291035 8dc51b vmlinux.before
    > 7732374 1157269 401408 9291051 8dc52b vmlinux.after
    >
    >16 bytes, or 0.0002% of the total text size. So there's in essence no
    >text overhead to talk about. So the text overhead argument is a red
    >herring.

    16 bytes, huh? Can't be. That would be like, perhaps 5, x86 instructions.

    ||Date: Sat, 6 Oct 2007 22:09:13 +0200 (CEST)
    ||Subject: [PATCH 0/2] Colored kernel output (run3)
    ||
    ||ok, so to make Oleg happy, here is run3 with a bool config option.
    ||
    ||i386>>
    || 48679 vt.o w/o anything
    || 48679 vt.o w/patch1
    || 49117 vt.o w/patch1 + CONFIG_VT_CKO=y
    || 49198 vt.o w/patch1+patch2 + CONFIG_VT_CKO=y
    ||--------
    || 519 total cost of CKO
    ||
    ||x86_64>>
    || 71892 vt.o w/patch1+patch2
    || 72787 vt.o w/patch1+patch2 + CONFIG_VT_CKO=y
    ||--------
    || 895
    -
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