1 | #!/usr/bin/env bash
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2 | #
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3 | # Synthetic shell benchmarks
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4 | #
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5 | # Usage:
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6 | # testdata/osh-runtime/bin_true.sh <function name>
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7 |
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8 | # Run under:
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9 | # - benchmarks/uftrace to trace allocations
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10 | # - benchmarks/osh-runtime for wall time and GC stats
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11 |
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12 | # make sure we can run under dash
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13 |
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14 | #set -o nounset
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15 | #set -o pipefail
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16 | #set -o errexit
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17 |
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18 | main() {
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19 | local n=${1:-1000}
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20 |
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21 | echo "Running /bin/true $n times"
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22 |
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23 | local i=0
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24 | while test $i -lt $n; do
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25 | /bin/true
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26 | i=$(( i + 1 ))
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27 | done
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28 |
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29 | echo 'Done'
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30 | }
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31 |
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32 | # Other tests we can do:
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33 | # - Subshell
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34 | # - Pipeline
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35 |
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36 | main "$@"
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