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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 22:40:28 +0100
commit742a801536b9d46c8b7ad9a3d580c7dcb0dc98cb (patch)
tree74a65475282c81868d2a3ddfc5a1bcbdb0dac734 /meta/lib/oeqa/runtime/cases
parent371283df2e315de452891c7ea5f7563ed19cdc88 (diff)
downloadpoky-742a801536b9d46c8b7ad9a3d580c7dcb0dc98cb.tar.gz
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. (From OE-Core rev: 5ccf8150b4c65f2feac16cc2881188f14d9e5390) Signed-off-by: Hongzhi.Song <hongzhi.song@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/lib/oeqa/runtime/cases')
-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):
18 else: 18 else:
19 # check result 19 # check result
20 result = ("%s" % match_string) in output 20 result = ("%s" % match_string) in output
21 self.assertTrue(result) 21 msg = output
22 self.assertTrue(result, msg)
22 self.assertEqual(status, 0, cmd) 23 self.assertEqual(status, 0, cmd)
23 24
24 def check_config(self, config_opt=''): 25 def check_config(self, config_opt=''):
@@ -126,7 +127,16 @@ class KSampleTest(KSample):
126 self.cmd_and_check("echo 1 > /sys/kernel/debug/tracing/events/sample-trace/enable") 127 self.cmd_and_check("echo 1 > /sys/kernel/debug/tracing/events/sample-trace/enable")
127 self.cmd_and_check("cat /sys/kernel/debug/tracing/events/sample-trace/enable") 128 self.cmd_and_check("cat /sys/kernel/debug/tracing/events/sample-trace/enable")
128 # check result 129 # check result
129 self.cmd_and_check("cat /sys/kernel/debug/tracing/trace | grep hello | head -n1 | cut -d\':\' -f2", " foo_bar") 130 status = 1
131 count = 0
132 while status != 0:
133 time.sleep(1)
134 status, output = self.target.run('cat /sys/kernel/debug/tracing/trace | grep hello | head -n1 | cut -d\':\' -f2')
135 if " foo_bar" in output:
136 break
137 count = count + 1
138 if count > 5:
139 self.assertTrue(False, "Time out when check result")
130 # disable trace 140 # disable trace
131 self.cmd_and_check("echo 0 > /sys/kernel/debug/tracing/events/sample-trace/enable") 141 self.cmd_and_check("echo 0 > /sys/kernel/debug/tracing/events/sample-trace/enable")
132 # clean up trace 142 # clean up trace