Ubuntu: Add PI stress test

pi_stress is a program used to stress the priority-inheritance code
paths for POSIX mutexes, in both the Linux kernel and the C library.

Signed-off by: Chase Qi <chase.qi@linaro.org>

Change-Id: I7585b3d74e4feacd0c008f4e7ed78628dbc08a69

2 files changed, 93 insertions, 0 deletions

diff --git a/ubuntu/pi-stress-test.yaml b/ubuntu/pi-stress-test.yaml
new file mode 100644
index 0000000..f2a109d
--- /dev/null
+++ b/ubuntu/pi-stress-test.yaml
@@ -0,0 +1,41 @@
+metadata:
+    format: Lava-Test Test Definition 1.0
+    name: pi-stress-test
+    description: "Stress test for POSIX Priority Inheritance mutexes"
+    maintainer:
+        - chase.qi@linaro.org
+    os:
+        - ubuntu
+    scope:
+        - functional
+        - preempt-rt
+    devices:
+        - panda
+        - panda-es
+        - arndale
+        - vexpress-a9
+        - vexpress-tc2
+        - beaglebone-black
+        - d01
+        - rtsm_fvp_base-aemv8a
+    environment:
+        - lava-test-shell
+
+install:
+    deps:
+        - rt-tests
+params:
+    # Length of the test run in seconds
+    DURATION: 300
+    # The number of inversion groups to run. By default pi_stress will detect the number of
+    # processors and determine the number of inversion groups automatically.
+    GROUP: 'default'
+    # Set MLOCKALL to ture to lock current and future memory
+    MLOCKALL: 'true'
+    # Set RR to true if you need use SCHED_RR for test threads. The
+    # default is to run the inversion threads as SCHED_FIFO
+    RR: 'false'
+
+run:
+    steps:
+       - ./ubuntu/scripts/pi-stress-test.py $DURATION $GROUP $MLOCKALL $RR
diff --git a/ubuntu/scripts/pi-stress-test.py b/ubuntu/scripts/pi-stress-test.py
new file mode 100755
index 0000000..dc2fdb7
--- /dev/null
+++ b/ubuntu/scripts/pi-stress-test.py
@@ -0,0 +1,52 @@
+#!/usr/bin/env python
+#
+# PI stress test case for Linux Linaro ubuntu
+#
+# Copyright (C) 2012 - 2014, Linaro Limited.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+# Author: Chase Qi <chase.qi@linaro.org>
+#
+
+import sys
+import signal
+from subprocess import call
+
+DURATION = sys.argv[1]
+GROUP = sys.argv[2]
+MLOCKALL = sys.argv[3]
+RR = sys.argv[4]
+
+# Determine PI stress test options
+pi_stress_command = ['pi_stress', '--duration', DURATION]
+if GROUP != 'default':
+    pi_stress_command.append('--groups')
+    pi_stress_command.append(GROUP)
+if MLOCKALL == 'true':
+    pi_stress_command.append('--mlockall')
+if RR != 'false':
+    pi_stress_command.append('--rr')
+
+# Trap and ignore SIGTERM if terminate signal appeared
+signal.signal(signal.SIGTERM, signal.SIG_IGN)
+
+# Run PI stress test
+print 'pi_stress_command is:'
+print ' '.join(pi_stress_command)
+if call(pi_stress_command) == 0:
+    call(['lava-test-case', 'pi-stress-test', '--result', 'pass'])
+else:
+    call(['lava-test-case', 'pi-stress-test', '--result', 'fail'])