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diff --git a/meta/lib/oeqa/runtime/cases/ksample.py b/meta/lib/oeqa/runtime/cases/ksample.py
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+#
+# Copyright OpenEmbedded Contributors
+#
+# SPDX-License-Identifier: MIT
+#
+
+import os
+import time
+
+from oeqa.runtime.case import OERuntimeTestCase
+from oeqa.core.decorator.depends import OETestDepends
+from oeqa.core.decorator.data import skipIfNotFeature
+
+# need some kernel fragments
+# echo "KERNEL_FEATURES:append = \" features\/kernel\-sample\/kernel\-sample.scc\"" >> local.conf
+class KSample(OERuntimeTestCase):
+ def cmd_and_check(self, cmd='', match_string=''):
+ status, output = self.target.run(cmd)
+ if not match_string:
+ # send cmd
+ msg = '%s failed, %s' % (cmd, output)
+ self.assertEqual(status, 0, msg=msg)
+ else:
+ # check result
+ result = ("%s" % match_string) in output
+ msg = output
+ self.assertTrue(result, msg)
+ self.assertEqual(status, 0, cmd)
+
+ def check_arch(self, archset=''):
+ status, output = self.target.run("uname -m")
+ result = ("%s" % output) in archset
+ if not result:
+ self.skipTest("This case doesn't support %s" % output)
+
+ def check_config(self, config_opt=''):
+ cmd = "zcat /proc/config.gz | grep %s" % config_opt
+ status, output = self.target.run(cmd)
+ result = ("%s=y" % config_opt) in output
+ if not result:
+ self.skipTest("%s is not set" % config_opt)
+
+ def check_module_exist(self, path='', module_name=''):
+ status, output = self.target.run("uname -r")
+ cmd = "ls " + "/lib/modules/" + output + "/kernel/samples/" + path + module_name
+ status, output = self.target.run(cmd)
+ if status != 0:
+ error_info = module_name + " doesn't exist"
+ self.skipTest(error_info)
+
+ def kfifo_func(self, name=''):
+ module_prename = name + "-example"
+ module_name = name + "-example.ko"
+ sysmbol_name = name + "_example"
+
+ # make sure if module exists
+ self.check_module_exist("kfifo/", module_name)
+ # modprobe
+ self.cmd_and_check("modprobe %s" % module_prename)
+ # lsmod
+ self.cmd_and_check("lsmod | grep %s | cut -d\' \' -f1" % sysmbol_name, sysmbol_name)
+ # check result
+ self.cmd_and_check("dmesg | grep \"test passed\" ", "test passed")
+ # rmmod
+ self.cmd_and_check("rmmod %s" % module_prename)
+
+ def kprobe_func(self, name=''):
+ # check config
+ self.check_config("CONFIG_KPROBES")
+
+ module_prename = name + "_example"
+ module_name = name + "_example.ko"
+ sysmbol_name = module_prename
+
+ # make sure if module exists
+ self.check_module_exist("kprobes/", module_name)
+ # modprobe
+ self.cmd_and_check("modprobe %s" % module_prename)
+ # lsmod
+ self.cmd_and_check("lsmod | grep %s | cut -d\' \' -f1" % sysmbol_name, sysmbol_name)
+ # check result
+ self.cmd_and_check("dmesg | grep Planted | head -n10", "Planted")
+ # rmmod
+ self.cmd_and_check("rmmod %s" % module_prename)
+
+ def kobject_func(self, name=''):
+ module_prename = name + "_example"
+ module_name = name + "-example.ko"
+ sysmbol_name = module_prename
+
+ # make sure if module exists
+ self.check_module_exist("kobject/", module_name)
+ # modprobe
+ self.cmd_and_check("modprobe %s" % module_prename)
+ # lsmod
+ self.cmd_and_check("lsmod | grep %s | cut -d\' \' -f1" % sysmbol_name, sysmbol_name)
+ # check result
+ self.cmd_and_check("ls /sys/kernel/%s/" % sysmbol_name, "bar")
+ # rmmod
+ self.cmd_and_check("rmmod %s" % module_prename)
+
+class KSampleTest(KSample):
+ # kfifo
+ @OETestDepends(['ssh.SSHTest.test_ssh'])
+ def test_kfifo_test(self):
+ index = ["dma", "bytestream", "inttype", "record"]
+ for i in index:
+ self.kfifo_func(i)
+
+ # kprobe
+ @OETestDepends(['ssh.SSHTest.test_ssh'])
+ def test_kprobe_test(self):
+ self.check_arch("x86_64 i686 ppc")
+ index = ["kprobe", "kretprobe"]
+ for i in index:
+ self.kprobe_func(i)
+
+ # kobject
+ @OETestDepends(['ssh.SSHTest.test_ssh'])
+ def test_kobject_test(self):
+ index = ["kobject", "kset"]
+ for i in index:
+ self.kobject_func(i)
+
+ #trace
+ @OETestDepends(['ssh.SSHTest.test_ssh'])
+ def test_trace_events(self):
+ # check config
+ self.check_config("CONFIG_TRACING_SUPPORT")
+ # make sure if module exists
+ self.check_module_exist("trace_events/", "trace-events-sample.ko")
+ # modprobe
+ self.cmd_and_check("modprobe trace-events-sample")
+ # lsmod
+ self.cmd_and_check("lsmod | grep trace_events_sample | cut -d\' \' -f1", "trace_events_sample")
+ # check dir
+ self.cmd_and_check("ls /sys/kernel/debug/tracing/events/ | grep sample-trace", "sample-trace")
+ # enable trace
+ 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
+ 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
+ self.cmd_and_check("echo > /sys/kernel/debug/tracing/trace")
+ # rmmod
+ self.cmd_and_check("rmmod trace-events-sample")
+
+ @OETestDepends(['ssh.SSHTest.test_ssh'])
+ def test_trace_printk(self):
+ # check config
+ self.check_config("CONFIG_TRACING_SUPPORT")
+ # make sure if module exists
+ self.check_module_exist("trace_printk/", "trace-printk.ko")
+ # modprobe
+ self.cmd_and_check("modprobe trace-printk")
+ # lsmod
+ self.cmd_and_check("lsmod | grep trace_printk | cut -d\' \' -f1", "trace_printk")
+ # check result
+ self.cmd_and_check("cat /sys/kernel/debug/tracing/trace | grep trace_printk_irq_work | head -n1 | cut -d\':\' -f2", " trace_printk_irq_work")
+ # clean up trace
+ self.cmd_and_check("echo > /sys/kernel/debug/tracing/trace")
+ # rmmod
+ self.cmd_and_check("rmmod trace-printk")
+
+ # hw breakpoint
+ @OETestDepends(['ssh.SSHTest.test_ssh'])
+ def test_hw_breakpoint_example(self):
+ # check arch
+ status, output = self.target.run("uname -m")
+ result = ("x86_64" in output) or ("aarch64" in output)
+ if not result:
+ self.skipTest("the arch %s doesn't support hw breakpoint" % output)
+ # check config
+ self.check_config("CONFIG_KALLSYMS_ALL")
+ # make sure if module exists
+ self.check_module_exist("hw_breakpoint/", "data_breakpoint.ko")
+ # modprobe
+ self.cmd_and_check("modprobe data_breakpoint")
+ # lsmod
+ self.cmd_and_check("lsmod | grep data_breakpoint | cut -d\' \' -f1", "data_breakpoint")
+ # check result
+ self.cmd_and_check("cat /var/log/messages | grep sample_hbp_handler", "sample_hbp_handler")
+ # rmmod
+ self.cmd_and_check("rmmod data_breakpoint")
+
+ @OETestDepends(['ssh.SSHTest.test_ssh'])
+ def test_configfs_sample(self):
+ # check config
+ status, ret = self.target.run('zcat /proc/config.gz | grep CONFIG_CONFIGFS_FS')
+ if not ["CONFIG_CONFIGFS_FS=m" in ret or "CONFIG_CONFIGFS_FS=y" in ret]:
+ self.skipTest("CONFIG error")
+ # make sure if module exists
+ self.check_module_exist("configfs/", "configfs_sample.ko")
+ # modprobe
+ self.cmd_and_check("modprobe configfs_sample")
+ # lsmod
+ self.cmd_and_check("lsmod | grep configfs_sample | cut -d\' \' -f1 | head -n1", "configfs_sample")
+
+ status = 1
+ count = 0
+ while status != 0:
+ time.sleep(1)
+ status, ret = self.target.run('cat /sys/kernel/config/01-childless/description')
+ count = count + 1
+ if count > 200:
+ self.skipTest("Time out for check dir")
+
+ # rmmod
+ self.cmd_and_check("rmmod configfs_sample")
+
+ @OETestDepends(['ssh.SSHTest.test_ssh'])
+ def test_cn_test(self):
+ # make sure if module exists
+ self.check_module_exist("connector/", "cn_test.ko")
+ # modprobe
+ self.cmd_and_check("modprobe cn_test")
+ # lsmod
+ self.cmd_and_check("lsmod | grep cn_test | cut -d\' \' -f1", "cn_test")
+ # check result
+ self.cmd_and_check("cat /proc/net/connector | grep cn_test | head -n1 | cut -d\' \' -f1", "cn_test")
+ # rmmod
+ self.cmd_and_check("rmmod cn_test")