# [OmniOS-discuss] iostat skip first output

Rune Tipsmark rt at steait.net
Sat Jan 24 19:42:14 UTC 2015

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    nevermind, I just made it into tokens and counted my way though it... maybe not the best way but it works...

    root at zfs10:/usr/lib/check_mk_agent/local<mailto:root at zfs10:/usr/lib/check_mk_agent/local># cat disk_iostat.sh
    varInterval=5
    varOutput=$(iostat -xn $varInterval 2 | grep c[0-99]);
    tokens=( $varOutput )
    tokenCount=$(echo ${tokens[*]} | wc -w )
    tokenStart=$(((tokenCount/2)-1))
    tokenInterval=11
    tokenEnd=$((tokenCount))
    for i in $(eval echo {$tokenStart..$tokenEnd..$tokenInterval});
     do echo 0 disk_busy_${tokens[$i]} percent=${tokens[$i-1]} ${tokens[$i-1]} % average disk utilization last $varInterval seconds;
        echo 0 disk_latency_${tokens[$i]} ms=${tokens[$i-3]} ${tokens[$i-3]} ms response time average last $varInterval seconds;
    done

    ________________________________
    From: OmniOS-discuss <omnios-discuss-bounces at lists.omniti.com> on behalf of Rune Tipsmark <rt at steait.net>
    Sent: Saturday, January 24, 2015 6:25 PM
    To: omnios-discuss at lists.omniti.com
    Subject: [OmniOS-discuss] iostat skip first output

    hi all, I am just writing some scripts to gather performance data from iostat... or at least trying... I would like to completely skip the first output since boot from iostat output and just get right to the period I specified with the data current from that period. Is this possible at all?

    br,

    Rune
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