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authorHongzhi.Song <hongzhi.song@windriver.com>2018-08-16 00:38:47 -0700
committerRichard Purdie <richard.purdie@linuxfoundation.org>2018-08-16 22:40:06 +0100
commit5ccf8150b4c65f2feac16cc2881188f14d9e5390 (patch)
treedb506c5197558c69f4b55575d9d4d1406aa01d85 /meta/lib
parent05a2a53f9cc7e75b4a3838ab9368cadf0f15ba1b (diff)
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runtime selftest: test_trace_events_sample of ksample.py
The debug info can not be written to trace buffer immediately by thread. So we should sleep some seconds. Signed-off-by: Hongzhi.Song <hongzhi.song@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/lib')
-rw-r--r--meta/lib/oeqa/runtime/cases/ksample.py14
1 files changed, 12 insertions, 2 deletions
diff --git a/meta/lib/oeqa/runtime/cases/ksample.py b/meta/lib/oeqa/runtime/cases/ksample.py
index 260bc3cfbd..26fbe9d8cb 100644
--- a/meta/lib/oeqa/runtime/cases/ksample.py
+++ b/meta/lib/oeqa/runtime/cases/ksample.py
@@ -18,7 +18,8 @@ class KSample(OERuntimeTestCase):
else:
# check result
result = ("%s" % match_string) in output
- self.assertTrue(result)
+ msg = output
+ self.assertTrue(result, msg)
self.assertEqual(status, 0, cmd)
def check_config(self, config_opt=''):
@@ -126,7 +127,16 @@ class KSampleTest(KSample):
self.cmd_and_check("echo 1 > /sys/kernel/debug/tracing/events/sample-trace/enable")
self.cmd_and_check("cat /sys/kernel/debug/tracing/events/sample-trace/enable")
# check result
- self.cmd_and_check("cat /sys/kernel/debug/tracing/trace | grep hello | head -n1 | cut -d\':\' -f2", " foo_bar")
+ status = 1
+ count = 0
+ while status != 0:
+ time.sleep(1)
+ status, output = self.target.run('cat /sys/kernel/debug/tracing/trace | grep hello | head -n1 | cut -d\':\' -f2')
+ if " foo_bar" in output:
+ break
+ count = count + 1
+ if count > 5:
+ self.assertTrue(False, "Time out when check result")
# disable trace
self.cmd_and_check("echo 0 > /sys/kernel/debug/tracing/events/sample-trace/enable")
# clean up trace