def __init__(self, sys, name): config = perf.tracepoint(sys, name) perf.evsel.__init__(self, type = perf.TYPE_TRACEPOINT, config = config, freq = 0, sample_period = 1, wakeup_events = 1, sample_type = perf.SAMPLE_PERIOD | perf.SAMPLE_TID | perf.SAMPLE_CPU | perf.SAMPLE_RAW | perf.SAMPLE_TIME)