def initialize(cls):
cls._maxCPUId = ParaverTrace.getMaxRealCPUId()
cls._ltcpu = ParaverTrace.getLeaderThreadCPUId()
cls._cpus = [CPU() for i in range(cls._maxCPUId + 1)]
cls._cpus.append(VCPU()) # Leader Thread CPU
cls._preHooks = [
("nanos6:tc:task_create_enter", cls.hook_taskAdd),
("nanos6:oc:task_create_enter", cls.hook_taskAdd),
("nanos6:taskfor_init_enter", cls.hook_taskAdd),
("nanos6:external_thread_create", cls.hook_externalThreadCreate),
("nanos6:thread_create", cls.hook_threadCreate),
("nanos6:thread_resume", cls.hook_threadResume),
("nanos6:thread_resume", cls.hook_threadResume),
("nanos6:task_start", cls.hook_taskStart),
("nanos6:task_unblock", cls.hook_taskUnblock),
]
cls._postHooks = [
("nanos6:thread_suspend", cls.hook_threadSuspend),
("nanos6:task_block", cls.hook_taskBlock),
("nanos6:task_end", cls.hook_taskEnd),
]
def initialize(cls):
# Load kernel tracepoint definitions file
try:
cls.loadKernelDefs("../nanos6_kerneldefs.json")
except Exception as e:
return False
# Initialize hooks
cls._preHooks = [("sched_switch", cls.hook_schedSwitch)]
cls._postHooks = []
# Initialize syscall tracepoitns
regex = re.compile('^sys\_')
cls._syscalls = list(filter(regex.match, cls._defs))
regex = re.compile('^sys\_enter\_')
cls._syscallEntryPoints = list(filter(regex.match, cls._syscalls))
regex = re.compile('^sys\_exit\_')
cls._syscallExitPoints = list(filter(regex.match, cls._syscalls))
# Initialize CPUs
maxCPUId = ParaverTrace.getMaxRealCPUId()
cls._cpus = [CPU(cpuId) for cpuId in range(maxCPUId + 1)]
# Initialize thread list with a fake Idle thread shared by all Cores
# (all idle threads in the Linux Kernel have tid 0)
cls._threads[0] = Thread(0, "Idle", 0)
# Register the traced application's name to ensure that it always gets
# the same perProcessExtraeId
binaryName = ParaverTrace.getBinaryName()
shortBinaryName = binaryName[:15]
cls._processNames[shortBinaryName] = 1
cls._processNameId = 100
cls._enabled = True
return cls._enabled
