Fix: check for current_task_start_ts, not last_sched_ts, in cputop

[deliverable/lttng-analyses.git] / tests / test_cputop.py

# The MIT License (MIT)
#
# Copyright (C) 2016 - Julien Desfossez <jdesfossez@efficios.com>
#                      Antoine Busque <abusque@efficios.com>
#
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from .analysis_test import AnalysisTest


class CpuTest(AnalysisTest):
    def write_trace(self):
        # runs the whole time: 100%
        self.trace_writer.write_sched_switch(1000, 5, 'swapper/5',
                                             0, 'prog100pc-cpu5', 42)
        # runs for 2s alternating with swapper out every 100ms
        self.trace_writer.sched_switch_50pc(1100, 5000, 0, 100, 'swapper/0',
                                            0, 'prog20pc-cpu0', 30664)
        # runs for 2.5s alternating with swapper out every 100ms
        self.trace_writer.sched_switch_50pc(5100, 10000, 1, 100, 'swapper/1',
                                            0, 'prog25pc-cpu1', 30665)
        # switch out prog100pc-cpu5
        self.trace_writer.write_sched_switch(11000, 5, 'prog100pc-cpu5',
                                             42, 'swapper/5', 0)
        self.trace_writer.flush()

    def test_cputop(self):
        expected = self.get_expected_output('cputop.txt')
        result = self.get_cmd_output('lttng-cputop')

        self.assertMultiLineEqual(result, expected)