Only build specified languages when running tests for those languages
diff --git a/tools/run_tests/performance/build_performance.sh b/tools/run_tests/performance/build_performance.sh
index 59d65a9..829c2e3 100755
--- a/tools/run_tests/performance/build_performance.sh
+++ b/tools/run_tests/performance/build_performance.sh
@@ -36,14 +36,17 @@
CONFIG=${CONFIG:-opt}
-# build C++ qps worker & driver
-# TODO(jtattermusch): not embedding OpenSSL breaks the C# build because
-# grpc_csharp_ext needs OpenSSL embedded and some intermediate files from
-# this build will be reused.
-make CONFIG=${CONFIG} EMBED_OPENSSL=true EMBED_ZLIB=true qps_worker qps_driver -j8
+for language in $@
+do
+ if [ "$language" == "c++" ]
+ then
+ # build C++ qps worker & driver
+ # TODO(jtattermusch): not embedding OpenSSL breaks the C# build because
+ # grpc_csharp_ext needs OpenSSL embedded and some intermediate files from
+ # this build will be reused.
+ make CONFIG=${CONFIG} EMBED_OPENSSL=true EMBED_ZLIB=true qps_worker qps_driver -j8
+ else
+ tools/run_tests/run_tests.py -l $language -c $CONFIG --build_only -j 8
+ fi
+done
-# build C# qps worker
-tools/run_tests/run_tests.py -l csharp -c $CONFIG --build_only -j 8
-
-# build Node qps worker
-tools/run_tests/run_tests.py -l node -c $CONFIG --build_only -j 8