Re: /dev/kmem

From: George Anzinger (george@pioneer.net)
Date: Sat May 06 2000 - 12:30:16 EDT

  • Next message: Russell King: "Re: /dev/kmem"

    Keith Owens wrote:
    >
    > On Sat, 06 May 2000 03:13:07 -0700,
    > George Anzinger <george@pioneer.net> wrote:
    > >Tigran Aivazian wrote:
    > >> ksymoops -s map < /dev/null
    > >...............snip............
    > >Ok, the basic idea is to look at the System.map file right?
    >
    > System.map plus modules.
    >
    > >Now I am doing a lot of kernel testing and have more than one kernel on
    > >a system, using lilo to pick and choose. What is the usual method used
    > >to insure that the correct System.map file is avaiable to each system?
    >
    > Up to you, ksymoops and user space files are under the control of the
    > sysadmin, not the kernel. FWIW, my method is to copy .config and
    > System.map to /lib/modules/xxx after doing make modules_install for
    > kernel xxx. Other people like to store System.map in /boot and name it
    > System.map-xxx. Whatever works for you, just pass the name of your map
    > to ksymoops with the -m option.

    The question is which of the several kernels was booted? Does the boot
    code leave this somewhere it can be found? For example, a program can
    look at its 0'th parameter to find the file name it is running under.
    Can the system do something like this?

    George

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