File: PR31740_2.stp

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systemtap 5.3-2
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global stats;

probe oneshot {
    stats["k"] <<< 1;
    stats["k"] <<< 2;
    stats["k"] <<< 3;
    printf("variance = %d\n", @variance(stats["k"], 7));
}

probe never {
    print(@hist_linear(stats["k"], 0, 4, 1));
}