| 1 | #!/usr/bin/env bash
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| 2 | #
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| 3 | # cachegrind gives instruction counts
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| 4 | #
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| 5 | # Usage:
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| 6 | #   benchmarks/cachegrind.sh <function name>
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| 7 | 
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| 8 | set -o nounset
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| 9 | set -o pipefail
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| 10 | set -o errexit
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| 11 | 
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| 12 | source benchmarks/common.sh
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| 13 | 
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| 14 | with-cachegrind() {
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| 15 |   ### Run a command under cachegrind, writing to $out_file
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| 16 |   local out_file=$1
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| 17 |   shift
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| 18 | 
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| 19 |   valgrind --tool=cachegrind \
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| 20 |     --log-file=$out_file \
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| 21 |     --cachegrind-out-file=/dev/null \
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| 22 |     -- "$@"
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| 23 | 
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| 24 |   log "Wrote $out_file"
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| 25 | }
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| 26 | 
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| 27 | file=$(basename $0)
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| 28 | if test $file = 'cachegrind.sh'; then
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| 29 |   "$@"
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| 30 | fi
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