From: Satheesh Rajendran <sathn...@linux.vnet.ibm.com>
Added a file to test virsh vcpupin testcase and modified subtests.cfg to add the
support for the same
Signed-off-by: Satheesh Rajendran <sathn...@linux.vnet.ibm.com>
---
client/tests/libvirt/tests/virsh_vcpupin.py | 115 +++++++++++++++++++++++++++
client/virt/subtests.cfg.sample | 3 +
2 files changed, 118 insertions(+), 0 deletions(-)
create mode 100644 client/tests/libvirt/tests/virsh_vcpupin.py
diff --git a/client/tests/libvirt/tests/virsh_vcpupin.py
b/client/tests/libvirt/tests/virsh_vcpupin.py
new file mode 100644
index 0000000..fdeb6df
--- /dev/null
+++ b/client/tests/libvirt/tests/virsh_vcpupin.py
@@ -0,0 +1,115 @@
+import logging, re, os, commands, string, math
+from autotest.client.shared import utils, error
+from autotest.client.virt import libvirt_vm
+
+
+def run_virsh_vcpupin(test, params, env):
+ """
+ Test the command virsh vcpupin
+
+ (1) Get the host and guest cpu count
+ (2) Call virsh vcpupin for each vcpu with pinning of each cpu
+ (3) Check whether the virsh vcpupin has pinned the respective vcpu to cpu
+ (4) TODO: Right now the testcase covers the pinning one cpu at a time
+ this can be improved by a random number of cpus
+ """
+
+ # Initialize the variables
+ expected_affinity = []
+ total_affinity = []
+ actual_affinity = []
+
+ def build_actual_info(domname,vcpu):
+ """
+ This function returns list of the vcpu's affinity from
+ virsh vcpuinfo output
+
+ @param: domname: VM Name to operate on
+ @param: vcpu: vcpu number for which the affinity is required
+ """
+
+ output = libvirt_vm.virsh_vcpuinfo(domname)
+ cmd = re.findall('[^Affinity:][-y]+', str(output))
+ total_affinity = cmd[vcpu].lstrip()
+ actual_affinity = list(total_affinity)
+ return actual_affinity
+
+
+ def build_expected_info(vcpu,cpu):
+ """
+ This function returns the list of vcpu's expected affinity build
+
+ @param: vcpu: vcpu number for which the affinity is required
+ @param: cpu: cpu details for the affinity
+ """
+
+ expected_affinity = []
+
+ for i in range(int(host_cpu_count)):
+ expected_affinity.append('y')
+
+ for i in range(int(host_cpu_count)):
+ if cpu != i:
+ expected_affinity[i] = '-'
+
+ expected_affinity_proc = int(math.pow(2,cpu))
+ return expected_affinity,expected_affinity_proc
+
+
+ def virsh_check_vcpupin(domname,vcpu,cpu,pid):
+ """
+ This function checks the actual and the expected affinity of given vcpu
+ and raises error if not matchs
+
+ @param: domname: VM Name to operate on
+ @param: vcpu: vcpu number for which the affinity is required
+ @param: cpu: cpu details for the affinity
+ """
+
+ expected_output,expected_output_proc = build_expected_info(vcpu,cpu)
+ actual_output = build_actual_info(domname,vcpu)
+
+ # Get the vcpus pid
+ vcpus_pid = vm.get_vcpus_pid()
+ vcpu_pid=vcpus_pid[vcpu]
+
+ # Get the actual cpu affinity value in the proc entry
+ output = utils.cpu_affinity_by_task(pid,vcpu_pid)
+ actual_output_proc = int(output,16)
+
+ if expected_output == actual_output:
+ logging.info("successfully pinned cpu: %s --> vcpu: %s", cpu,vcpu)
+ else:
+ raise error.TestFail("Command 'virsh vcpupin %s %s %s'not
succeeded"
+ ", cpu pinning details not updated properly
in"
+ " virsh vcpuinfo command output"
+ %
(vm_name,vcpu,cpu))
+
+ if expected_output_proc == actual_output_proc:
+ logging.info("successfully pinned cpu: %s --> vcpu: %s"
+ " in respective proc entry"
+ ,cpu,vcpu)
+ else:
+ raise error.TestFail("Command 'virsh vcpupin %s %s %s'not
succeeded"
+ " cpu pinning details not updated properly in"
+ " /proc/%s/task/%s/status"
+
%(vm_name,vcpu,cpu,pid,vcpu_pid))
+
+
+ # Get the vm name, pid of vm and check for alive
+ vm_name = params.get("main_vm")
+ vm = env.get_vm(params["main_vm"])
+ vm.verify_alive()
+ pid = vm.get_pid()
+
+ # Get the host cpu count
+ host_cpu_count = utils.count_cpu()
+
+ # Get the guest vcpu count
+ guest_vcpu_count = libvirt_vm.virsh_vcpucount_live(vm_name)
+
+ # Run test case
+ for vcpu in range(int(guest_vcpu_count)):
+ for cpu in range(int(host_cpu_count)):
+ vm.vcpupin(vcpu,cpu)
+ virsh_check_vcpupin(vm_name,vcpu,cpu,pid)
diff --git a/client/virt/subtests.cfg.sample b/client/virt/subtests.cfg.sample
index c2aca1f..6b869d2 100644
--- a/client/virt/subtests.cfg.sample
+++ b/client/virt/subtests.cfg.sample
@@ -212,6 +212,9 @@ variants:
status_error = "yes"
libvirtd = "off"
+ - virsh_vcpupin: install setup image_copy unattended_install.cdrom
+ type = virsh_vcpupin
+
- virsh_version: install setup image_copy unattended_install.cdrom
type = virsh_version
vms = ''
--
1.7.5.4
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