Merge pull request #4145 from heywji/add_traceview_case

NetKVM: Add a case for checking the keyword in the driver logs

qemu/tests/cfg/netkvm_params_check.cfg

@@ -0,0 +1,15 @@
+- netkvm_params_check:
+    virt_test_type = qemu
+    type = netkvm_params_check
+    only Windows
+    only virtio_net
+    vhost = on
+    timeout = 360
+    smp ~= ${vcpu_maxcpus}
+    queues = ${smp}
+    netkvmco_name = "TXcapacity"
+    netkvmco_value = "64"
+    expected_log_msg = "Limit m_SGTableCapacity by 64"
+    cdroms += " virtio"
+    required_virtio_win_prewhql = [0.1.242 , )
+    required_virtio_win = [1.9.36.0, )

qemu/tests/netkvm_params_check.py

@@ -0,0 +1,73 @@
+import logging
+import re
+
+from virttest import error_context, utils_net
+
+LOG_JOB = logging.getLogger("avocado.test")
+
+
+@error_context.context_aware
+def run(test, params, env):
+    """
+    Netkvm log checking using traceview:
+
+    1) Start the VM.
+    2) Configure and verify the advanced parameters of the NIC.
+    3) Use TraceView.exe to apply filters and capture relevant keywords.
+    4) Restart the NIC.
+    5) Monitor the output in TraceView.exe and extract the captured keywords.
+    6) Restore the default parameter value
+
+    :param test: QEMU test object
+    :param params: Dictionary with the test parameters
+    :param env: Dictionary with test environment.
+    """
+
+    def get_keyword_from_traceview(keyword):
+        """
+        Get the keyword by `TraceView.exe`
+
+        Return the keywords which means that we found it.
+        """
+
+        device_mac = vm.virtnet[0].mac
+        error_context.context(f"Check {keyword} from the traceview", test.log.info)
+        output = utils_net.dump_traceview_log_windows(params, vm)
+        utils_net.restart_guest_network(session, device_mac, params["os_type"])
+        mapping_output = re.findall(keyword, output)
+        if mapping_output == []:
+            test.fail(f"Can't get {keyword} from traceview")
+        return mapping_output
+
+    def set_and_verify_parameter_value(value):
+        """
+        Get and Set the value by `netkvmco.exe`
+
+        Raised exception when checking netkvmco.exe setup was unsuccessful.
+        """
+
+        utils_net.set_netkvm_param_value(vm, netkvmco_name, value)
+        cur_value = utils_net.get_netkvm_param_value(vm, netkvmco_name)
+        if cur_value != value:
+            test.fail(
+                f"Current value '{cur_value}' was not restored to default "
+                f"value '{default_value}'"
+            )
+
+    timeout = params.get_numeric("login_timeout", 240)
+    vm_name = params["main_vm"]
+    vm = env.get_vm(vm_name)
+    vm.verify_alive()
+    session = vm.wait_for_serial_login(timeout=timeout)
+    netkvmco_name = params.get("netkvmco_name")
+    netkvmco_value = params.get("netkvmco_value")
+    expected_log_msg = params.get("expected_log_msg")
+    default_value = utils_net.get_netkvm_param_value(vm, netkvmco_name)
+    # Set the new parameter value
+    set_and_verify_parameter_value(value=netkvmco_value)
+    # Check for the expected log message
+    result = get_keyword_from_traceview(expected_log_msg)
+    error_context.context(f"Found '{result}' in TraceView logs", logging.info)
+    # Restore the default parameter value
+    set_and_verify_parameter_value(value=default_value)
+    session.close()