package/perftest: new package

Open Fabrics Performance Tests.

This is a collection of tests written over uverbs intended
for use as a performance micro-benchmark. The tests may be
used for HW or SW tuning as well as for functional testing.

https://github.com/linux-rdma/perftest

Tested-by: Shamraiz Ashraf <shamraizashraf092@gmail.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>
[yann.morin.1998@free.fr
  - move all arch-related dependencies to _ARCH_SUPPORTS
  - include musl condition in comment and its dependnecies
]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

support/testing/tests/package/test_perftest.py

@@ -0,0 +1,48 @@
+import os
+
+import infra.basetest
+
+
+class TestPerftest(infra.basetest.BRTest):
+
+    config = \
+        """
+        BR2_aarch64=y
+        BR2_TOOLCHAIN_EXTERNAL=y
+        BR2_TARGET_GENERIC_GETTY_PORT="ttyAMA0"
+        BR2_LINUX_KERNEL=y
+        BR2_LINUX_KERNEL_CUSTOM_VERSION=y
+        BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.15.91"
+        BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
+        BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/qemu/aarch64-virt/linux.config"
+        BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="{}"
+        BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y
+        BR2_TARGET_ROOTFS_CPIO=y
+        BR2_TARGET_ROOTFS_CPIO_GZIP=y
+        # BR2_TARGET_ROOTFS_TAR is not set
+        BR2_PACKAGE_IPROUTE2=y
+        BR2_PACKAGE_LIBMNL=y
+        BR2_PACKAGE_RDMA_CORE=y
+        BR2_PACKAGE_PERFTEST=y
+        """.format(
+            infra.filepath("tests/package/test_rdma_core/linux-rdma.fragment")
+        )
+
+    def test_run(self):
+        img = os.path.join(self.builddir, "images", "rootfs.cpio.gz")
+        kern = os.path.join(self.builddir, "images", "Image")
+        self.emulator.boot(arch="aarch64",
+                           kernel=kern,
+                           kernel_cmdline=["console=ttyAMA0"],
+                           options=["-M", "virt", "-cpu", "cortex-a57", "-m", "512M", "-initrd", img])
+        self.emulator.login()
+
+        # Add the rxe0 interface
+        self.assertRunOk("ip link set dev eth0 up")
+        self.assertRunOk("rdma link add rxe0 type rxe netdev eth0")
+
+        # start a server
+        self.assertRunOk("ib_read_bw > /dev/null 2>&1 &")
+
+        # start a client
+        self.assertRunOk("sleep 1 && ib_read_bw 127.0.0.1")