minio/buildscripts/benchcmp.sh

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#!/bin/bash
# usage: ./benchcmp.sh <commit-sha1> <commit-sha2>
# Exit on any non zero return value on execution of a command.
set -e
# path of benchcmp.
benchcmp=${GOPATH}/bin/benchcmp
# function which runs the benchmark comparison.
RunBenchCmp () {
# Path for storing output of benchmark at commit 1.
commit1Bench=/tmp/minio-$1.bench
# Path for storing output of benchmark at commit 2.
commit2Bench=/tmp/minio-$2.bench
# switch to commit $1.
git checkout $1
# Check if the benchmark results for given commit 1 already exists.
# Benchmarks are time/resource consuming operations, run only if the the results doesn't exist.
if [[ ! -f $commit1Bench ]]
then
echo "Running benchmarks at $1"
go test -run=NONE -bench=. | tee $commit1Bench
fi
# get back to the commit from which it was started.
git checkout -
echo "Checking into commit $2"
# switch to commit $2
git checkout $2
# Check if the benchmark results for given commit 2 already exists.
# Benchmarks are time/resource consuming operations, run only if the the results doesn't exist.
if [[ ! -f $commit2Bench ]]
then
# Running benchmarks at $2.
echo "Running benchmarks at $2"
go test -run=NONE -bench=. | tee $commit2Bench
fi
# get back to the commit from which it was started.
git checkout -
# Comparing the benchmarks.
echo "Running benchmark comparison between $1 and $2 ..."
$benchcmp $commit1Bench $commit2Bench
echo "Done."
}
# check if 2 commit SHA's of snapshots of code for which benchmp has to be done is provided.
if [ ! $# -eq 2 ]
then
# exit if commit SHA's are not provided.
echo $#
echo "Need Commit SHA's of 2 snapshots to be supplied to run benchmark comparison."
exit 1
fi
# check if benchcmp exists.
if [[ -x "$benchcmp" ]]
then
RunBenchCmp $1 $2
else
# install benchcmp if doesnt't exist.
echo "fetching Benchcmp..."
go get -u golang.org/x/tools/cmd/benchcmp
echo "Done."
RunBenchCmp $1 $2
fi