graphic: 0.881 device: 0.854 performance: 0.777 files: 0.652 PID: 0.611 debug: 0.597 permissions: 0.597 vnc: 0.576 boot: 0.488 semantic: 0.465 network: 0.368 socket: 0.348 other: 0.080 KVM: 0.022 Data race in the goflag global variable in the rcutorture test. Description of problem: A data race involving the `goflag` global variable in `tests/unit/rcutorture.c` was identified using TSAN. Steps to reproduce: ```sh QEMU_BUILD_DIR= QEMU_DIR= configure --enable-tsan --cc=clang --cxx=clang++ --enable-trace-backends=ust --enable-fdt=system --disable-slirp make tests/unit/rcutorture MALLOC_PERTURB_=194 G_TEST_BUILDDIR=$QEMU_BUILD_DIR/tests/unit G_TEST_SRCDIR=$QEMU_DIR/tests/unit $QEMU_BUILD_DIR/tests/unit/rcutorture --tap -k ```