Optimize some CI stuff (#1880)

* CI Optimizations

ci/test-stable-perf.sh

@@ -10,21 +10,23 @@ if ! ci/version-check.sh stable; then
   # This job doesn't run within a container, try once to upgrade tooling on a
   # version check failure
   rustup install stable
+  rustup default stable
   ci/version-check.sh stable
 fi
+
 export RUST_BACKTRACE=1
 export RUSTFLAGS="-D warnings"
 
-./fetch-perf-libs.sh
-# shellcheck source=/dev/null
-source ./target/perf-libs/env.sh
-
 _() {
   echo "--- $*"
   "$@"
 }
 
-FEATURES=cuda,erasure,chacha
+./fetch-perf-libs.sh
+# shellcheck source=/dev/null
+source ./target/perf-libs/env.sh
+
+FEATURES=bpf_c,cuda,erasure,chacha
 _ cargo build --all --verbose --features="$FEATURES"
 _ cargo test --verbose --features="$FEATURES" --lib
 
@@ -32,13 +34,21 @@ _ cargo test --verbose --features="$FEATURES" --lib
 for test in tests/*.rs; do
   test=${test##*/} # basename x
   test=${test%.rs} # basename x .rs
-  _ cargo test --verbose --jobs=1 --features="$FEATURES" --test="$test"
+  _ cargo test --verbose --features="$FEATURES" --test="$test" -- --test-threads=1
 done
 
+# Run bpf_loader test with bpf_c features enabled
+(
+  set -x
+  cd "programs/native/bpf_loader"
+  echo --- program/native/bpf_loader test --features=bpf_c
+  cargo test --verbose --features="bpf_c"
+)
+
 echo --- ci/localnet-sanity.sh
 (
   set -x
   # Assume |cargo build| has populated target/debug/ successfully.
   export PATH=$PWD/target/debug:$PATH
   USE_INSTALL=1 ci/localnet-sanity.sh
-)
+)