| Message ID | 20230403162905.17703-18-pmorel@linux.ibm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | s390x: CPU Topology | expand |
On 4/3/23 18:29, Pierre Morel wrote: > A dedicated CPU in vertical polarization can only have > a high entitlement. > Let's check this. > > Signed-off-by: Pierre Morel <pmorel@linux.ibm.com> > --- > tests/avocado/s390_topology.py | 43 +++++++++++++++++++++++++++++++++- > 1 file changed, 42 insertions(+), 1 deletion(-) > > diff --git a/tests/avocado/s390_topology.py b/tests/avocado/s390_topology.py > index f12f0ae148..6a41f08897 100644 > --- a/tests/avocado/s390_topology.py > +++ b/tests/avocado/s390_topology.py > @@ -52,6 +52,7 @@ class S390CPUTopology(LinuxKernelTest): > The polarization is changed on a request from the guest. > """ > timeout = 90 > + skip_basis = False > This should come through its own patch. > def check_topology(self, c, s, b, d, e, t): > @@ -116,12 +117,14 @@ def system_init(self): > exec_command_and_wait_for_pattern(self, > '/bin/cat /sys/devices/system/cpu/dispatching', '0') > > + @skipIf(skip_basis, 'skipping basis tests') > def test_single(self): > self.kernel_init() > self.vm.launch() > self.wait_for_console_pattern('no job control') > self.check_topology(0, 0, 0, 0, 'medium', False) > > + @skipIf(skip_basis, 'skipping basis tests') > def test_default(self): > """ > This test checks the implicite topology. > @@ -147,6 +150,7 @@ def test_default(self): > self.check_topology(11, 2, 1, 0, 'medium', False) > self.check_topology(12, 0, 0, 1, 'medium', False) > > + @skipIf(skip_basis, 'skipping basis tests') > def test_move(self): > """ > This test checks the topology modification by moving a CPU > @@ -167,6 +171,7 @@ def test_move(self): > self.assertEqual(res['return'], {}) > self.check_topology(0, 2, 0, 0, 'low', False) > > + @skipIf(skip_basis, 'skipping basis tests') > def test_hotplug(self): > """ > This test verifies that a CPU defined with '-device' command line > @@ -184,6 +189,7 @@ def test_hotplug(self): > > self.check_topology(10, 2, 1, 0, 'medium', False) > > + @skipIf(skip_basis, 'skipping basis tests') > def test_hotplug_full(self): > """ > This test verifies that a hotplugged fully defined with '-device' > @@ -202,6 +208,7 @@ def test_hotplug_full(self): > self.wait_for_console_pattern('no job control') > self.check_topology(1, 1, 1, 1, 'medium', False) > > + @skipIf(skip_basis, 'skipping basis tests') > def test_polarisation(self): > """ > This test verifies that QEMU modifies the entitlement change after > @@ -231,7 +238,7 @@ def test_polarisation(self): > > self.check_topology(0, 0, 0, 0, 'medium', False) > > - def test_set_cpu_topology_entitlement(self): > + def test_entitlement(self): May be introduce the correct name in the first patch. > """ > This test verifies that QEMU modifies the polarization > after a guest request. > @@ -286,3 +293,37 @@ def test_set_cpu_topology_entitlement(self): > self.check_topology(1, 0, 0, 0, 'medium', False) > self.check_topology(2, 1, 0, 0, 'high', False) > self.check_topology(3, 1, 0, 0, 'high', False) > + > + def test_dedicated(self): > + """ > + This test verifies that QEMU modifies the entitlement change correctly > + for a dedicated CPU after several guest polarization change requests. > + > + :avocado: tags=arch:s390x > + :avocado: tags=machine:s390-ccw-virtio > + """ > + self.kernel_init() > + self.vm.launch() > + self.wait_for_console_pattern('no job control') > + > + self.system_init() > + > + res = self.vm.qmp('set-cpu-topology', > + {'core-id': 0, 'dedicated': True}) > + self.assertEqual(res['return'], {}) > + > + self.check_topology(0, 0, 0, 0, 'high', True) > + > + exec_command(self, 'echo 1 > /sys/devices/system/cpu/dispatching') > + time.sleep(0.2) > + exec_command_and_wait_for_pattern(self, > + '/bin/cat /sys/devices/system/cpu/dispatching', '1') > + > + self.check_topology(0, 0, 0, 0, 'high', True) > + > + exec_command(self, 'echo 0 > /sys/devices/system/cpu/dispatching') > + time.sleep(0.2) > + exec_command_and_wait_for_pattern(self, > + '/bin/cat /sys/devices/system/cpu/dispatching', '0') > + > + self.check_topology(0, 0, 0, 0, 'high', True)
On 4/4/23 11:19, Cédric Le Goater wrote: > On 4/3/23 18:29, Pierre Morel wrote: >> A dedicated CPU in vertical polarization can only have >> a high entitlement. >> Let's check this. >> >> Signed-off-by: Pierre Morel <pmorel@linux.ibm.com> >> --- >> tests/avocado/s390_topology.py | 43 +++++++++++++++++++++++++++++++++- >> 1 file changed, 42 insertions(+), 1 deletion(-) >> >> diff --git a/tests/avocado/s390_topology.py >> b/tests/avocado/s390_topology.py >> index f12f0ae148..6a41f08897 100644 >> --- a/tests/avocado/s390_topology.py >> +++ b/tests/avocado/s390_topology.py >> @@ -52,6 +52,7 @@ class S390CPUTopology(LinuxKernelTest): >> The polarization is changed on a request from the guest. >> """ >> timeout = 90 >> + skip_basis = False > > This should come through its own patch. OK, this is more a debug help, I wonder if I should not just remove it > > >> def check_topology(self, c, s, b, d, e, t): >> @@ -116,12 +117,14 @@ def system_init(self): >> exec_command_and_wait_for_pattern(self, >> '/bin/cat /sys/devices/system/cpu/dispatching', '0') >> + @skipIf(skip_basis, 'skipping basis tests') >> def test_single(self): >> self.kernel_init() >> self.vm.launch() >> self.wait_for_console_pattern('no job control') >> self.check_topology(0, 0, 0, 0, 'medium', False) >> + @skipIf(skip_basis, 'skipping basis tests') >> def test_default(self): >> """ >> This test checks the implicite topology. >> @@ -147,6 +150,7 @@ def test_default(self): >> self.check_topology(11, 2, 1, 0, 'medium', False) >> self.check_topology(12, 0, 0, 1, 'medium', False) >> + @skipIf(skip_basis, 'skipping basis tests') >> def test_move(self): >> """ >> This test checks the topology modification by moving a CPU >> @@ -167,6 +171,7 @@ def test_move(self): >> self.assertEqual(res['return'], {}) >> self.check_topology(0, 2, 0, 0, 'low', False) >> + @skipIf(skip_basis, 'skipping basis tests') >> def test_hotplug(self): >> """ >> This test verifies that a CPU defined with '-device' >> command line >> @@ -184,6 +189,7 @@ def test_hotplug(self): >> self.check_topology(10, 2, 1, 0, 'medium', False) >> + @skipIf(skip_basis, 'skipping basis tests') >> def test_hotplug_full(self): >> """ >> This test verifies that a hotplugged fully defined with >> '-device' >> @@ -202,6 +208,7 @@ def test_hotplug_full(self): >> self.wait_for_console_pattern('no job control') >> self.check_topology(1, 1, 1, 1, 'medium', False) >> + @skipIf(skip_basis, 'skipping basis tests') >> def test_polarisation(self): >> """ >> This test verifies that QEMU modifies the entitlement >> change after >> @@ -231,7 +238,7 @@ def test_polarisation(self): >> self.check_topology(0, 0, 0, 0, 'medium', False) >> - def test_set_cpu_topology_entitlement(self): >> + def test_entitlement(self): > > May be introduce the correct name in the first patch. right. Thanks, Pierre
diff --git a/tests/avocado/s390_topology.py b/tests/avocado/s390_topology.py index f12f0ae148..6a41f08897 100644 --- a/tests/avocado/s390_topology.py +++ b/tests/avocado/s390_topology.py @@ -52,6 +52,7 @@ class S390CPUTopology(LinuxKernelTest): The polarization is changed on a request from the guest. """ timeout = 90 + skip_basis = False def check_topology(self, c, s, b, d, e, t): @@ -116,12 +117,14 @@ def system_init(self): exec_command_and_wait_for_pattern(self, '/bin/cat /sys/devices/system/cpu/dispatching', '0') + @skipIf(skip_basis, 'skipping basis tests') def test_single(self): self.kernel_init() self.vm.launch() self.wait_for_console_pattern('no job control') self.check_topology(0, 0, 0, 0, 'medium', False) + @skipIf(skip_basis, 'skipping basis tests') def test_default(self): """ This test checks the implicite topology. @@ -147,6 +150,7 @@ def test_default(self): self.check_topology(11, 2, 1, 0, 'medium', False) self.check_topology(12, 0, 0, 1, 'medium', False) + @skipIf(skip_basis, 'skipping basis tests') def test_move(self): """ This test checks the topology modification by moving a CPU @@ -167,6 +171,7 @@ def test_move(self): self.assertEqual(res['return'], {}) self.check_topology(0, 2, 0, 0, 'low', False) + @skipIf(skip_basis, 'skipping basis tests') def test_hotplug(self): """ This test verifies that a CPU defined with '-device' command line @@ -184,6 +189,7 @@ def test_hotplug(self): self.check_topology(10, 2, 1, 0, 'medium', False) + @skipIf(skip_basis, 'skipping basis tests') def test_hotplug_full(self): """ This test verifies that a hotplugged fully defined with '-device' @@ -202,6 +208,7 @@ def test_hotplug_full(self): self.wait_for_console_pattern('no job control') self.check_topology(1, 1, 1, 1, 'medium', False) + @skipIf(skip_basis, 'skipping basis tests') def test_polarisation(self): """ This test verifies that QEMU modifies the entitlement change after @@ -231,7 +238,7 @@ def test_polarisation(self): self.check_topology(0, 0, 0, 0, 'medium', False) - def test_set_cpu_topology_entitlement(self): + def test_entitlement(self): """ This test verifies that QEMU modifies the polarization after a guest request. @@ -286,3 +293,37 @@ def test_set_cpu_topology_entitlement(self): self.check_topology(1, 0, 0, 0, 'medium', False) self.check_topology(2, 1, 0, 0, 'high', False) self.check_topology(3, 1, 0, 0, 'high', False) + + def test_dedicated(self): + """ + This test verifies that QEMU modifies the entitlement change correctly + for a dedicated CPU after several guest polarization change requests. + + :avocado: tags=arch:s390x + :avocado: tags=machine:s390-ccw-virtio + """ + self.kernel_init() + self.vm.launch() + self.wait_for_console_pattern('no job control') + + self.system_init() + + res = self.vm.qmp('set-cpu-topology', + {'core-id': 0, 'dedicated': True}) + self.assertEqual(res['return'], {}) + + self.check_topology(0, 0, 0, 0, 'high', True) + + exec_command(self, 'echo 1 > /sys/devices/system/cpu/dispatching') + time.sleep(0.2) + exec_command_and_wait_for_pattern(self, + '/bin/cat /sys/devices/system/cpu/dispatching', '1') + + self.check_topology(0, 0, 0, 0, 'high', True) + + exec_command(self, 'echo 0 > /sys/devices/system/cpu/dispatching') + time.sleep(0.2) + exec_command_and_wait_for_pattern(self, + '/bin/cat /sys/devices/system/cpu/dispatching', '0') + + self.check_topology(0, 0, 0, 0, 'high', True)
A dedicated CPU in vertical polarization can only have a high entitlement. Let's check this. Signed-off-by: Pierre Morel <pmorel@linux.ibm.com> --- tests/avocado/s390_topology.py | 43 +++++++++++++++++++++++++++++++++- 1 file changed, 42 insertions(+), 1 deletion(-)