54c2687292
At the moment nearly every test calls something similar to
`self.dbg.CreateTarget(self.getBuildArtifact("a.out"))` and them sometimes
checks if the created target is actually valid with something like
`self.assertTrue(target.IsValid(), "some useless text")`.
Beside being really verbose the error messages generated by this pattern are
always just indicating that the target failed to be created but now why.
This patch introduces a helper function `createTestTarget` to our Test class
that creates the target with the much more verbose `CreateTarget` overload that
gives us back an SBError (with a fancy error). If the target couldn't be created
the function prints out the SBError that LLDB returned and asserts for us. It
also defaults to the "a.out" build artifact path that nearly all tests are using
to avoid to hardcode "a.out" in every test.
I converted a bunch of tests to the new function but I'll do the rest of the
test suite as follow ups.
Reviewed By: JDevlieghere
Differential Revision: https://reviews.llvm.org/D102771
151 lines
5.4 KiB
Python
151 lines
5.4 KiB
Python
import lldb
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test import lldbutil
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from lldbsuite.test.decorators import *
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ADDRESS_REGEX = '0x[0-9a-fA-F]*'
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class TestTraceStartStopMultipleThreads(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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NO_DEBUG_INFO_TESTCASE = True
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def setUp(self):
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TestBase.setUp(self)
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if 'intel-pt' not in configuration.enabled_plugins:
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self.skipTest("The intel-pt test plugin is not enabled")
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@skipIf(oslist=no_match(['linux']), archs=no_match(['i386', 'x86_64']))
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def testStartMultipleLiveThreads(self):
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self.build()
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target = self.createTestTarget()
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self.expect("b main")
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self.expect("b 6")
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self.expect("b 11")
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self.expect("r")
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self.expect("proce trace start")
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# We'll see here the first thread
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self.expect("continue")
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self.expect("thread trace dump instructions", substrs=['main.cpp:9'])
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# We'll see here the second thread
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self.expect("continue")
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self.expect("thread trace dump instructions", substrs=['main.cpp:4'])
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@skipIf(oslist=no_match(['linux']), archs=no_match(['i386', 'x86_64']))
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def testStartMultipleLiveThreadsWithStops(self):
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self.build()
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target = self.createTestTarget()
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self.expect("b main")
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self.expect("b 6")
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self.expect("b 11")
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self.expect("r")
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self.expect("process trace start")
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# We'll see here the first thread
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self.expect("continue")
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# We are in thread 2
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self.expect("thread trace dump instructions", substrs=['main.cpp:9'])
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self.expect("thread trace dump instructions 2", substrs=['main.cpp:9'])
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# We stop tracing it
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self.expect("thread trace stop 2")
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# The trace is still in memory
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self.expect("thread trace dump instructions 2", substrs=['main.cpp:9'])
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# We'll stop at the next breakpoint, thread 2 will be still alive, but not traced. Thread 3 will be traced
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self.expect("continue")
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self.expect("thread trace dump instructions", substrs=['main.cpp:4'])
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self.expect("thread trace dump instructions 3", substrs=['main.cpp:4'])
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self.expect("thread trace dump instructions 2", substrs=['not traced'])
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@skipIf(oslist=no_match(['linux']), archs=no_match(['i386', 'x86_64']))
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def testStartMultipleLiveThreadsWithStops(self):
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self.build()
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exe = self.getBuildArtifact("a.out")
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target = self.dbg.CreateTarget(exe)
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self.expect("b main")
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self.expect("b 6")
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self.expect("b 11")
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self.expect("r")
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self.expect("process trace start")
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# We'll see here the first thread
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self.expect("continue")
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# We are in thread 2
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self.expect("thread trace dump instructions", substrs=['main.cpp:9'])
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self.expect("thread trace dump instructions 2", substrs=['main.cpp:9'])
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# We stop tracing all
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self.expect("thread trace stop all")
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# The trace is still in memory
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self.expect("thread trace dump instructions 2", substrs=['main.cpp:9'])
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# We'll stop at the next breakpoint in thread 3, thread 2 and 3 will be alive, but only 3 traced.
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self.expect("continue")
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self.expect("thread trace dump instructions", substrs=['main.cpp:4'])
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self.expect("thread trace dump instructions 3", substrs=['main.cpp:4'])
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self.expect("thread trace dump instructions 1", substrs=['not traced'])
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self.expect("thread trace dump instructions 2", substrs=['not traced'])
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@skipIf(oslist=no_match(['linux']), archs=no_match(['i386', 'x86_64']))
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def testStartMultipleLiveThreadsWithThreadStartAll(self):
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self.build()
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exe = self.getBuildArtifact("a.out")
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target = self.dbg.CreateTarget(exe)
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self.expect("b main")
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self.expect("b 6")
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self.expect("b 11")
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self.expect("r")
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self.expect("continue")
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# We are in thread 2
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self.expect("thread trace start all")
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# Now we have instructions in thread's 2 trace
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self.expect("n")
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self.expect("thread trace dump instructions 2", substrs=['main.cpp:11'])
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# We stop tracing all
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self.runCmd("thread trace stop all")
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# The trace is still in memory
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self.expect("thread trace dump instructions 2", substrs=['main.cpp:11'])
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# We'll stop at the next breakpoint in thread 3, and nothing should be traced
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self.expect("continue")
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self.expect("thread trace dump instructions 3", substrs=['not traced'])
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self.expect("thread trace dump instructions 1", substrs=['not traced'])
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self.expect("thread trace dump instructions 2", substrs=['not traced'])
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@skipIf(oslist=no_match(['linux']), archs=no_match(['i386', 'x86_64']))
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def testStartMultipleLiveThreadsWithSmallTotalLimit(self):
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self.build()
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exe = self.getBuildArtifact("a.out")
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target = self.dbg.CreateTarget(exe)
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self.expect("b main")
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self.expect("r")
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# trace the entire process with enough total size for 1 thread trace
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self.expect("process trace start -l 5000")
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# we get the stop event when trace 2 appears and can't be traced
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self.expect("c", substrs=['Thread', "can't be traced"])
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# we get the stop event when trace 3 appears and can't be traced
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self.expect("c", substrs=['Thread', "can't be traced"])
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