47 lines
1.1 KiB
Bash
47 lines
1.1 KiB
Bash
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#!/usr/bin/env bash
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#
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# Assumes file descriptor 3 is not messed with in the profiled script.
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pid=$$
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exec 3>&2 2> >(tee /tmp/bash_profile-${pid}.log | \
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sed -u 's/^.*$/now/' | \
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date -f - +%s.%N >/tmp/bash_profile-${pid}.tim)
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set -x
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. "$@"
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set +x
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exec 2>&3 3>&-
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paste <(
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while read tim ;do
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crt=000000000$((${tim//.}-10#0$last))
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printf "%12.9f\n" ${crt:0:${#crt}-9}.${crt:${#crt}-9}
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last=${tim//.}
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done < /tmp/bash_profile-${pid}.tim
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) /tmp/bash_profile-${pid}.log > ${pid}.timings
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accumulator='
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{
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sum[$2] += $1
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count[$2] += 1
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}
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END {
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printf("command\ttotal\ttimes\taverage\n")
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for (key in sum) {
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printf("%s\t%f\t%d\t%f\n", key, sum[key], count[key], sum[key] / count[key])
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}
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}
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'
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paste \
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<(cut -f1 ${pid}.timings) \
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<(cat /tmp/bash_profile-${pid}.log \
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| sed '/\] *=/c [[assignement]]' \
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| sed -n 's/++* \([^ ]*\).*/\1/p' \
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| sed '/=/c [[assignment]]') \
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| > ${pid}.acc awk "$accumulator"
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rm /tmp/bash_profile-${pid}.{tim,log}
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echo ${pid}.timings
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