| 1 | #!/usr/bin/env bash
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| 2 | #
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| 3 | # Usage:
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| 4 | # benchmarks/gperftools.sh <function name>
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| 5 |
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| 6 | set -o nounset
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| 7 | set -o pipefail
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| 8 | set -o errexit
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| 9 |
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| 10 | # Hm these appear to be ancient versions, google-pprof --version says 2.0, but
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| 11 | # we're on 2.7
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| 12 | #
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| 13 | # https://github.com/gperftools/gperftools/releases
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| 14 |
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| 15 | uninstall() {
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| 16 | sudo apt remove google-perftools libgoogle-perftools-dev
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| 17 | }
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| 18 |
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| 19 | # /usr/local/bin/pprof also seems to have the 2.0 version number!
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| 20 | download() {
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| 21 | wget --directory _deps \
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| 22 | 'https://github.com/gperftools/gperftools/releases/download/gperftools-2.7/gperftools-2.7.tar.gz'
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| 23 | }
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| 24 |
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| 25 | readonly OILS_CPP='_bin/oils-for-unix.tcmalloc '
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| 26 |
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| 27 | collect-small() {
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| 28 | HEAPPROFILE=_tmp/small-parse.hprof $OILS_CPP -c 'echo hi'
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| 29 |
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| 30 | echo 'echo hi' > _tmp/h.sh
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| 31 | HEAPPROFILE=_tmp/small-eval.hprof $OILS_CPP -n _tmp/h.sh
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| 32 | }
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| 33 |
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| 34 | collect-big() {
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| 35 | #local path=benchmarks/testdata/configure
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| 36 | local path=${1:-configure}
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| 37 |
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| 38 | HEAPPROFILE=_tmp/big-parse.hprof $OILS_CPP --ast-format none -n $path
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| 39 |
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| 40 | # Run 200 iterations of fib(44). Got about 18 MB of heap usage.
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| 41 | # (This matches the 200 iterations in benchmarks/compute.sh, which shows 60
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| 42 | # MB max RSS)
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| 43 | HEAPPROFILE=_tmp/big-eval.hprof $OILS_CPP benchmarks/compute/fib.sh 200 44
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| 44 | }
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| 45 |
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| 46 | # e.g. pass _tmp/osh_parse.hprof.0001.heap
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| 47 | browse() {
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| 48 | ### Open it in a browser
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| 49 | pprof --web $OILS_CPP "$@"
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| 50 | }
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| 51 |
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| 52 | svg() {
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| 53 | local in=$1
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| 54 | local out=${in%.heap}.svg
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| 55 | pprof --svg $OILS_CPP "$@" > $out
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| 56 |
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| 57 | echo "Wrote $out"
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| 58 | }
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| 59 |
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| 60 | "$@"
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