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small fixes to the perf script #78

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Merged
merged 1 commit into from
May 12, 2020
Merged

small fixes to the perf script #78

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8 changes: 4 additions & 4 deletions scripts/linux_performance_setup.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@
##
##===----------------------------------------------------------------------===##

# docker run --privileged -it -v `pwd`:/code -w /code swiftlang/swift:nightly-5.2-bionic bash
# docker run --privileged -it -v `pwd`:/code -w /code swiftlang/swift:nightly-5.3-bionic bash

apt-get update -y
apt-get install -y vim htop strace linux-tools-common linux-tools-generic libc6-dbg
Expand All @@ -22,7 +22,7 @@ echo 0 > /proc/sys/kernel/kptr_restrict

cd /usr/bin
rm -rf perf
ln -s /usr/lib/linux-tools/4.15.0-91-generic/perf perf
ln -s /usr/lib/linux-tools/*/perf perf
cd -

cd /opt
Expand All @@ -36,11 +36,11 @@ cd -
# (.build/release/MockServer) &
#
# strace
# export MAX_REQUESTS=10000
# export MAX_REQUESTS=10000 (or MAX_REQUESTS=1 for cold start analysis)
# strace -o .build/strace-c-string-$MAX_REQUESTS -c .build/release/StringSample
# strace -o .build/strace-ffftt-string-$MAX_REQUESTS -fftt .build/release/StringSample
#
# perf
# export MAX_REQUESTS=10000
# export MAX_REQUESTS=10000 (or MAX_REQUESTS=1 for cold start analysis)
# perf record -o .build/perf-$MAX_REQUESTS.data -g -F 100000 .build/release/StringSample dwarf
# perf script -i .build/perf-$MAX_REQUESTS.data | /opt/FlameGraph/stackcollapse-perf.pl | swift-demangle | /opt/FlameGraph/flamegraph.pl > .build/flamegraph-$MAX_REQUESTS.svg