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import subprocess
import time
import test
import re
import pytest
from testlib.resctrl import Resctrl
from testlib.env import Env
from priority import PRIORITY_HIGH
class TestRdtsetL3Cat(test.Test):
## @cond
@pytest.fixture(autouse=True)
def init(self, request):
super(TestRdtsetL3Cat, self).init(request)
yield
super(TestRdtsetL3Cat, self).fini()
## @endcond
## RDTSET - L3 CAT Set COS definition (command)
#
# \b Priority: High
#
# \b Objective:
# Run command with provided L3 CAT mask
#
# \b Instruction:
# 1. Run the "rdtset [-I] -t 'l3=0xf;cpu=5-6' -c 5-6 memtester 10M" to set cache allocation
# 2. Verify cache allocation with "pqos [-I] -s" command
# 3. Terminate memtester process
#
# \b Result:
# Observe in pqos output
# Core 5, L2ID 5, L3ID 0 => COS7
# Core 6, L2ID 6, L3ID 0 => COS7
# L3CA COS7 => MASK 0xf
@PRIORITY_HIGH
@pytest.mark.rdt_supported("cat_l3")
def test_rdtset_l3cat_set_command(self, iface):
param = "-t l3=0xf;cpu=5-6 -c 5-6 memtester 10M"
command = self.cmd_rdtset(iface, param)
rdtset = subprocess.Popen(command.split(), stdin=subprocess.PIPE,
stdout=subprocess.PIPE)
time.sleep(0.1)
(stdout, _, exitstatus) = self.run_pqos(iface, "-s")
assert exitstatus == 0
if iface == "MSR":
last_cos = Env().get('cat', 'l3', 'cos') - 1
else:
last_cos = Resctrl.get_ctrl_group_count() - 1
assert re.search("Core 5, L2ID [0-9]+, L3ID [0-9]+ => COS%d" % last_cos, stdout) \
is not None
assert re.search("Core 6, L2ID [0-9]+, L3ID [0-9]+ => COS%d" % last_cos, stdout) \
is not None
assert "L3CA COS%d => MASK 0xf" % last_cos in stdout
self.run("killall memtester")
rdtset.communicate()
## RDTSET - L3 CAT Set COS definition (command) - Negative
#
# \b Priority: High
#
# \b Objective:
# Unable to run command with too long L3 CAT bitmask
#
# \b Instruction:
# Run the "rdtset [-I] -t 'l3=0xffffffff;cpu=5-6' -c 5-6 memtester 10M" to
# set cache allocation
#
# \b Result:
# Observe "One or more of requested L3 CBMs (MASK: 0xffffffff) not
# supported by system (too long) in output
@PRIORITY_HIGH
@pytest.mark.rdt_supported("cat_l3")
def test_rdtset_l3cat_set_command_negative(self, iface):
param = "-t l3=0xffffffff;cpu=5-6 -c 5-6 memtester 10M"
(_, stderr, exitstatus) = self.run_rdtset(iface, param)
assert exitstatus == 1
assert ('One or more of requested L3 CBMs (MASK: 0xffffffff) not supported by system '
'(too long)') in stderr
## RDTSET - L3 CAT Set COS definition (task)
#
# \b Priority: High
#
# \b Objective:
# Set L3 CAT bitmask for Task Id
#
# \b Instruction:
# 1. Run the "Run the rdtset -I -t 'l3=0xf' -c 5-6 -p 1" to set cache
# allocation
# 2. Verify cache allocation with "pqos -I -s" command
#
# \b Result:
# Observe in pqos output
# * COS7 => 1
# * L3CA COS7 => MASK 0xf
@PRIORITY_HIGH
@pytest.mark.iface_os
@pytest.mark.rdt_supported("cat_l3")
def test_rdtset_l3cat_set_task(self, iface):
(_, _, exitstatus) = self.run_rdtset(iface, "-t l3=0xf -c 5-6 -p 1")
assert exitstatus == 0
(stdout, _, exitstatus) = self.run_pqos(iface, "-s")
assert exitstatus == 0
last_cos = Resctrl.get_ctrl_group_count() - 1
assert ("COS{} => 1").format(last_cos) in stdout
assert ("L3CA COS{} => MASK 0xf").format(last_cos) in stdout
## RDTSET - L3 CAT Set COS definition (task) - Negative
#
# \b Priority: High
#
# \b Objective:
# Unable to set too long L3 CAT bitmask for the task ID
#
# \b Instruction:
# Run the "Run the rdtset -I -t 'l3=0xffffffff' -p 1" to set cache allocation
#
# \b Result:
# Observe "One or more of requested L3 CBMs (MASK: 0xffffffff) not supported
# by system (too long) in output
@PRIORITY_HIGH
@pytest.mark.iface_os
@pytest.mark.rdt_supported("cat_l3")
def test_rdtset_l3cat_set_task_negative(self, iface):
(_, stderr, exitstatus) = self.run_rdtset(iface, "-t l3=0xffffffff -p 1")
assert exitstatus == 1
assert ('One or more of requested L3 CBMs (MASK: 0xffffffff) not supported by system '
'(too long)') in stderr