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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 TestTraceStartStopMultipleThreads(TraceIntelPTTestCaseBase):
mydir = TestBase.compute_mydir(__file__)
@skipIf(oslist=no_match(['linux']), archs=no_match(['i386', 'x86_64']))
@testSBAPIAndCommands
def testStartMultipleLiveThreads(self):
self.build()
exe = self.getBuildArtifact("a.out")
self.dbg.CreateTarget(exe)
self.expect("b main")
self.expect("b 6")
self.expect("b 11")
self.expect("r")
self.traceStartProcess()
self.expect("continue")
self.expect("thread trace dump instructions", substrs=['main.cpp:9'])
# We'll see here the second thread
self.expect("continue")
self.expect("thread trace dump instructions", substrs=['main.cpp:4'])
@skipIf(oslist=no_match(['linux']), archs=no_match(['i386', 'x86_64']))
@testSBAPIAndCommands
def testStartMultipleLiveThreadsWithStops(self):
self.build()
exe = self.getBuildArtifact("a.out")
self.dbg.CreateTarget(exe)
self.expect("b main")
self.expect("b 6")
self.expect("b 11")
self.expect("r")
self.traceStartProcess()
# We'll see here the first thread
self.expect("continue")
# We are in thread 2
self.expect("thread trace dump instructions", substrs=['main.cpp:9'])
self.expect("thread trace dump instructions 2", substrs=['main.cpp:9'])
# We stop tracing it
self.expect("thread trace stop 2")
# The trace is still in memory
self.expect("thread trace dump instructions 2", substrs=['main.cpp:9'])
# We'll stop at the next breakpoint, thread 2 will be still alive, but not traced. Thread 3 will be traced
self.expect("continue")
self.expect("thread trace dump instructions", substrs=['main.cpp:4'])
self.expect("thread trace dump instructions 3", substrs=['main.cpp:4'])
self.expect("thread trace dump instructions 2", substrs=['not traced'])
@skipIf(oslist=no_match(['linux']), archs=no_match(['i386', 'x86_64']))
@testSBAPIAndCommands
def testStartMultipleLiveThreadsWithStops(self):
self.build()
exe = self.getBuildArtifact("a.out")
self.dbg.CreateTarget(exe)
self.expect("b main")
self.expect("b 6")
self.expect("b 11")
self.expect("r")
self.traceStartProcess()
# We'll see here the first thread
self.expect("continue")
# We are in thread 2
self.expect("thread trace dump instructions", substrs=['main.cpp:9'])
self.expect("thread trace dump instructions 2", substrs=['main.cpp:9'])
# We stop tracing all
self.expect("thread trace stop all")
# The trace is still in memory
self.expect("thread trace dump instructions 2", substrs=['main.cpp:9'])
# We'll stop at the next breakpoint in thread 3, thread 2 and 3 will be alive, but only 3 traced.
self.expect("continue")
self.expect("thread trace dump instructions", substrs=['main.cpp:4'])
self.expect("thread trace dump instructions 3", substrs=['main.cpp:4'])
self.expect("thread trace dump instructions 1", substrs=['not traced'])
self.expect("thread trace dump instructions 2", substrs=['not traced'])
@skipIf(oslist=no_match(['linux']), archs=no_match(['i386', 'x86_64']))
def testStartMultipleLiveThreadsWithThreadStartAll(self):
self.build()
exe = self.getBuildArtifact("a.out")
target = self.dbg.CreateTarget(exe)
self.expect("b main")
self.expect("b 6")
self.expect("b 11")
self.expect("r")
self.expect("continue")
# We are in thread 2
self.expect("thread trace start all")
# Now we have instructions in thread's 2 trace
self.expect("n")
self.expect("thread trace dump instructions 2", substrs=['main.cpp:11'])
# We stop tracing all
self.runCmd("thread trace stop all")
# The trace is still in memory
self.expect("thread trace dump instructions 2", substrs=['main.cpp:11'])
# We'll stop at the next breakpoint in thread 3, and nothing should be traced
self.expect("continue")
self.expect("thread trace dump instructions 3", substrs=['not traced'])
self.expect("thread trace dump instructions 1", substrs=['not traced'])
self.expect("thread trace dump instructions 2", substrs=['not traced'])
@skipIf(oslist=no_match(['linux']), archs=no_match(['i386', 'x86_64']))
@testSBAPIAndCommands
def testStartMultipleLiveThreadsWithSmallTotalLimit(self):
self.build()
exe = self.getBuildArtifact("a.out")
self.dbg.CreateTarget(exe)
self.expect("b main")
self.expect("r")
# trace the entire process with enough total size for 1 thread trace
self.traceStartProcess(processBufferSizeLimit=5000)
# we get the stop event when trace 2 appears and can't be traced
self.expect("c", substrs=['Thread', "can't be traced"])
# we get the stop event when trace 3 appears and can't be traced
self.expect("c", substrs=['Thread', "can't be traced"])
self.traceStopProcess()
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