Add check_for_kernel_feature function
From: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Signed-off-by: Martin J. Bligh <mbligh@google.com>
git-svn-id: http://test.kernel.org/svn/autotest/trunk@522 592f7852-d20e-0410-864c-8624ca9c26a4
diff --git a/client/bin/autotest_utils.py b/client/bin/autotest_utils.py
index 4898c89..265c9df 100755
--- a/client/bin/autotest_utils.py
+++ b/client/bin/autotest_utils.py
@@ -410,13 +410,31 @@
"""
Return path of config file of the currently running kernel
"""
+ version = system_output('uname -r')
for config in ('/proc/config.gz', \
- '/boot/config-%s' % system_output('uname -r') ):
+ '/boot/config-%s' % version,
+ '/lib/modules/%s/build/.config' % version):
if os.path.isfile(config):
return config
return None
+def check_for_kernel_feature(feature):
+ config = running_config()
+
+ if not config:
+ raise "Can't find kernel config file"
+
+ if config.endswith('.gz'):
+ grep = 'zgrep'
+ else:
+ grep = 'grep'
+ grep += ' ^CONFIG_%s= %s' % (feature, config)
+
+ if not system_output(grep, ignorestatus = 1):
+ raise "Kernel doesn't have a %s feature" % (feature)
+
+
def cpu_online_map():
"""
Check out the available cpu online map