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import lldb
from intelpt_testcase import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
from lldbsuite.test.decorators import *
class TestTraceLoad(TraceIntelPTTestCaseBase):
mydir = TestBase.compute_mydir(__file__)
NO_DEBUG_INFO_TESTCASE = True
def testLoadTrace(self):
src_dir = self.getSourceDir()
trace_definition_file = os.path.join(src_dir, "intelpt-trace", "trace.json")
self.expect("trace load -v " + trace_definition_file, substrs=["intel-pt"])
target = self.dbg.GetSelectedTarget()
process = target.GetProcess()
self.assertEqual(process.GetProcessID(), 1234)
self.assertEqual(process.GetNumThreads(), 1)
self.assertEqual(process.GetThreadAtIndex(0).GetThreadID(), 3842849)
self.assertEqual(target.GetNumModules(), 1)
module = target.GetModuleAtIndex(0)
path = module.GetFileSpec()
self.assertEqual(path.fullpath, os.path.join(src_dir, "intelpt-trace", "a.out"))
self.assertGreater(module.GetNumSections(), 0)
self.assertEqual(module.GetSectionAtIndex(0).GetFileAddress(), 0x400000)
self.assertEqual("6AA9A4E2-6F28-2F33-377D-59FECE874C71-5B41261A", module.GetUUIDString())
# check that the Process and Thread objects were created correctly
self.expect("thread info", substrs=["tid = 3842849"])
self.expect("thread list", substrs=["Process 1234 stopped", "tid = 3842849"])
self.expect("thread trace dump info", substrs=['''Trace technology: intel-pt
thread #1: tid = 3842849
Raw trace size: 4096 bytes'''])
def testLoadInvalidTraces(self):
src_dir = self.getSourceDir()
# We test first an invalid type
self.expect("trace load -v " + os.path.join(src_dir, "intelpt-trace", "trace_bad.json"), error=True,
substrs=['''error: expected object at traceSession.processes[0]
Context:
{
"processes": [
/* error: expected object */
123
],
"trace": { ... }
}
Schema:
{
"trace": {
"type": "intel-pt",
"cpuInfo": {
"vendor": "intel" | "unknown",
"family": integer,
"model": integer,
"stepping": integer
}
},'''])
# Now we test a missing field in the global session file
self.expect("trace load -v " + os.path.join(src_dir, "intelpt-trace", "trace_bad2.json"), error=True,
substrs=['error: missing value at traceSession.processes[1].triple', "Context", "Schema"])
# Now we test a missing field in the intel-pt settings
self.expect("trace load -v " + os.path.join(src_dir, "intelpt-trace", "trace_bad4.json"), error=True,
substrs=['''error: missing value at traceSession.trace.cpuInfo.family
Context:
{
"processes": [],
"trace": {
"cpuInfo": /* error: missing value */ {
"model": 79,
"stepping": 1,
"vendor": "intel"
},
"type": "intel-pt"
}
}''', "Schema"])
# Now we test an incorrect load address in the intel-pt settings
self.expect("trace load -v " + os.path.join(src_dir, "intelpt-trace", "trace_bad5.json"), error=True,
substrs=['error: expected numeric string at traceSession.processes[0].modules[0].loadAddress',
'"loadAddress": /* error: expected numeric string */ 400000,', "Schema"])
# The following wrong schema will have a valid target and an invalid one. In the case of failure,
# no targets should be created.
self.assertEqual(self.dbg.GetNumTargets(), 0)
self.expect("trace load -v " + os.path.join(src_dir, "intelpt-trace", "trace_bad3.json"), error=True,
substrs=['error: missing value at traceSession.processes[1].pid'])
self.assertEqual(self.dbg.GetNumTargets(), 0)
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