stats

#!/bin/bash
for log in "$@"
do
    awk '
        BEGIN {
            sum_msec_ratio=0; sumsq=0; nr=0; 
            sum_new_cmp=0; sum_std_cmp=0; sum_cmp_ratio=0; nr_cmp=0; nover=0; 
            sum_new_msec = 0; sum_std_msec = 0;
            sum_size = 0; sum_new_runs = 0; sum_std_runs = 0;
            sum_new_len=0; sum_std_len=0;
            sum_new_time=0; sum_std_time=0;
            sum_copy_ratio=0; nr_copy=0;
            min_new_time=1000; min_std_time=1000;
        }
        {
            if ($NF != "new/std" ) {
                sum_msec_ratio+=$NF; sumsq+=$NF*$NF; nr++;
                if ($NF >= 1) {
                    nover++;
                }
                sum_new_cmp+=$9; sum_std_cmp+=$10; if ($10 > 0) { sum_cmp_ratio+=$9/$10; nr_cmp++; }
                sum_new_msec+=$11; sum_std_msec+=$12;
                all_new_msec[nr]=$11; all_std_msec[nr]=$12;
                sum_size+=$3; sum_new_runs+=$7; sum_std_runs+=$8;
                sum_new_len+=$3*$7; sum_std_len+=$3*$8;
                new_time=($3*$7/1000000)/$11;
                std_time=($3*$8/1000000)/$12;
                sum_new_time+=new_time; sum_std_time+=std_time;
                if (new_time < 0.124 && std_time < 0.124 && $7 > 1 && $8 > 1) {
                    sum_copy_ratio+=((0.125-new_time)/($7-1))/((0.125-std_time)/($8-1)); nr_copy++;
                }
                if (new_time < min_new_time) { min_new_time = new_time; }
                if (std_time < min_std_time) { min_std_time = std_time; }
            }
        }
        END {
            if (nr == 0) {
                printf "%6d\n", 0;
            } else {
                cmp_ratio = 0;
                if (nr_cmp > 0) {
                    cmp_ratio = 100*(sum_cmp_ratio/nr_cmp - 1);
                }
                printf "%6d %12.1f%% %12.0f%% %12.2f%%\n",
                    nr, 100*(sum_msec_ratio/nr - 1), 100*nover/nr, cmp_ratio;
            }
        }
        ' $log
done