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    SubjectRe: Rik spreading bullshit about VM
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    About running the Andrea VM in 4M:
    I booted in single user mode.

    bash-2.05a# uname -a
    Linux mountain 2.4.18pre2aa2 #1 Wed Jan 9 21:44:03 EST 2002 i586 unknown

    bash-2.05a# dmesg| grep mem
    Kernel command line: BOOT_IMAGE=2418p2aa2 ro root=1602 console=ttyS1,38400n8 single mem=4m
    Memory: 2100k/4096k available (891k kernel code, 1608k reserved, 215k data, 196k init, 0k highmem)
    Freeing unused kernel memory: 196k freed

    Manually started syslogd, klogd and brought up the lo and eth0 interfaces and started sshd.
    I can ssh into the box:

    mountain:/$ ps aux
    USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
    root 1 0.4 0.0 1288 0 ? SW 19:24 0:06 init [S]
    root 2 0.0 0.0 0 0 ? SW 19:24 0:00 [keventd]
    root 3 0.0 0.0 0 0 ? SWN 19:24 0:00 [ksoftirqd_CPU0]
    root 4 0.1 0.0 0 0 ? SW 19:24 0:02 [kswapd]
    root 5 0.0 0.0 0 0 ? SW 19:24 0:00 [bdflush]
    root 6 0.0 0.0 0 0 ? SW 19:24 0:00 [kupdated]
    root 7 0.0 0.0 0 0 ? SW 19:24 0:00 [kreiserfsd]
    root 21 0.0 0.0 1288 0 ttyS1 SW 19:25 0:00 init [S]
    root 22 0.0 0.0 2212 0 ttyS1 SW 19:25 0:00 bash
    root 46 0.0 0.0 1444 0 ? SW 19:37 0:00 /usr/sbin/syslogd -m0
    root 49 0.0 0.0 1292 0 ? SW 19:38 0:00 /usr/sbin/klogd -c3 -x -k /boot/System.map-2.4.18pre2aa2
    root 63 0.0 0.0 0 0 ? SW 19:47 0:00 [eth0]
    root 68 0.5 0.0 2672 0 ? SW 19:47 0:00 sshd
    root 69 0.9 0.8 2756 20 ? D 19:48 0:00 sshd
    hrandoz 70 1.9 0.0 2192 0 pts/0 SW 19:48 0:01 -bash
    hrandoz 75 40.0 4.1 2504 96 pts/0 R 19:49 0:00 ps aux

    mountain:/$ cat /proc/meminfo
    total: used: free: shared: buffers: cached:
    Mem: 2351104 2232320 118784 0 344064 249856
    Swap: 156270592 1409024 154861568
    MemTotal: 2296 kB
    MemFree: 116 kB
    MemShared: 0 kB
    Buffers: 336 kB
    Cached: 204 kB
    SwapCached: 40 kB
    Active: 68 kB
    Inactive: 516 kB
    HighTotal: 0 kB
    HighFree: 0 kB
    LowTotal: 2296 kB
    LowFree: 116 kB
    SwapTotal: 152608 kB
    SwapFree: 151232 kB

    hrandoz@mountain:/$ /sbin/swapon -s
    Filename Type Size Used Priority
    /dev/hda3 partition 152608 1372 -1


    top:
    7:55pm up 31 min, 1 user, load average: 1.30, 0.71, 0.32
    16 processes: 15 sleeping, 1 running, 0 zombie, 0 stopped
    CPU states: 0.1% user, 4.6% system, 0.0% nice, 95.1% idle
    Mem: 2296K av, 2096K used, 200K free, 0K shrd, 316K buff
    Swap: 152608K av, 1488K used, 151120K free 96K cached

    PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND
    79 hrandoz 14 0 316 200 184 R 2.0 8.7 0:02 top
    69 root 18 0 352 0 0 SW 1.9 0.0 0:03 sshd
    1 root 20 0 56 0 0 SW 0.0 0.0 0:06 init
    2 root 20 0 0 0 0 SW 0.0 0.0 0:00 keventd
    3 root 20 19 0 0 0 SWN 0.0 0.0 0:00 ksoftirqd_CPU0
    4 root 20 0 0 0 0 SW 0.0 0.0 0:03 kswapd
    5 root 3 0 0 0 0 SW 0.0 0.0 0:00 bdflush
    6 root 20 0 0 0 0 SW 0.0 0.0 0:00 kupdated
    7 root 20 0 0 0 0 SW 0.0 0.0 0:00 kreiserfsd
    21 root 9 0 56 0 0 SW 0.0 0.0 0:00 init
    22 root 20 0 296 0 0 SW 0.0 0.0 0:00 bash
    46 root 20 0 108 0 0 SW 0.0 0.0 0:00 syslogd
    49 root 20 0 72 0 0 SW 0.0 0.0 0:00 klogd
    63 root 20 0 0 0 0 SW 0.0 0.0 0:00 eth0
    68 root 20 0 276 0 0 SW 0.0 0.0 0:00 sshd
    70 hrandoz 20 0 276 0 0 SW 0.0 0.0 0:01 bash

    bash-2.05a# df -kT
    Filesystem Type 1k-blocks Used Available Use% Mounted on
    /dev/hdc2 reiserfs 9768728 4194328 5574400 43% /
    /dev/hdc3 ext2 8064432 4912 7649872 1% /opt/testing


    Running 4M is interesting. If I really wanted to run 4M, I'd use ash
    for the shell, and try uClibc instead of glibc.

    The test that really impresses me the most about 2.4.18pre2aa2 is what
    I see on this test on an Athlon 1333 with 1024MB RAM:

    simultaneously:
    run continuous loop of mtest01 -p 85 -w # allocate and write to 85% of VM
    create and cpio 10 330 MB files
    nice -19 setiathome &
    listen to mp3blaster # a few skips at the beginning, then smooth.

    I've tested a bunch of kernels lately. This is only what's sitting in /boot
    since I last cleaned it out:

    mountain:/boot$ ls vml*
    vmlinuz vmlinuz-2.4.17rc2aa2-old vmlinuz-2.4.18-pre3
    vmlinuz-2.4.18pre2 vmlinuz-2.4.18pre3ll vmlinuz-2.5.1-dj11
    vmlinuz-2.5.2-pre10 vmlinuz-2.5.2-pre9 vmlinuz-2.4.17
    vmlinuz-2.4.17rc2aa2-wli vmlinuz-2.4.18-pre4 vmlinuz-2.4.18pre2aa1
    vmlinuz-2.4.18pre3pe vmlinuz-2.5.1-dj13 vmlinuz-2.5.2-pre11
    vmlinuz-2.5.2-pre9mingo vmlinuz-2.4.17-rmap11a vmlinuz-2.4.17rmap11b
    vmlinuz-2.4.18pre1-mjc2nio vmlinuz-2.4.18pre2aa2 vmlinuz-2.4.18pre3pelb
    vmlinuz-2.5.1-dj14 vmlinuz-2.5.2-pre5 vmlinuz.old
    vmlinuz-2.4.17rc2aa2 vmlinuz-2.4.18-pre1 vmlinuz-2.4.18pre1mjc2
    vmlinuz-2.4.18pre3-ac2 vmlinuz-2.5.1 vmlinuz-2.5.2
    vmlinuz-2.5.2-pre6-mingo

    IMHO, 2.4.18pre2aa2 is the best!

    Some kernel test results at:
    http://home.earthlink.net/~rwhron/kernel/k6-2-475.html

    # from the 4M box
    mountain:/boot$ uptime
    8:24pm up 1:00, 1 user, load average: 0.08, 0.04, 0.09

    --
    Randy Hron

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