tests/test_cputop.py

   1 from TraceTest import AnalysesTest
   2 import sys
   3
   4
   5 class CpuTest(AnalysesTest):
   6     def __init__(self, delete_trace=True, verbose=False):
   7         super().__init__(delete_trace=delete_trace,
   8                          verbose=verbose)
   9         self.test_list = [('cputop', self.run_no_option)]
  10
  11     def write_trace(self):
  12         # runs the whole time: 100%
  13         self.t.write_sched_switch(1000, 5, "swapper/5", 0, "prog100pc-cpu5", 42)
  14         # runs for 2s alternating with swapper out every 100ms
  15         self.t.sched_switch_50pc(1100, 5000, 0, 100,
  16                                  "swapper/0", 0, "prog20pc-cpu0", 30664)
  17         # runs for 2.5s alternating with swapper out every 100ms
  18         self.t.sched_switch_50pc(5100, 10000, 1, 100,
  19                                  "swapper/1", 0, "prog25pc-cpu1", 30665)
  20         # switch out prog100pc-cpu5
  21         self.t.write_sched_switch(11000, 5, "prog100pc-cpu5", 42, "swapper/5", 0)
  22         self.t.flush()
  23
  24     def run_no_option(self):
  25         expected = """Timerange: [1969-12-31 19:00:01.000000000, 1969-12-31 19:00:11.000000000]
  26 Per-TID CPU Usage
  27 ###############################################################################
  28 ██████████████████████████████████████████████████  100.00 %  prog100pc-cpu5 (42) (prio: 20)
  29 ████████████                                        25.00 %  prog25pc-cpu1 (30665) (prio: 20)
  30 ██████████                                          20.00 %  prog20pc-cpu0 (30664) (prio: 20)
  31 Per-CPU Usage
  32 ###############################################################################
  33 █████████████                                                      20.00 %  CPU 0
  34 ████████████████                                                   25.00 %  CPU 1
  35 █████████████████████████████████████████████████████████████████  100.00 %  CPU 5
  36
  37 Total CPU Usage: 48.33%
  38 """
  39
  40         return self.compare_output('%slttng-cputop %s "%s"' % (
  41                        self.cmd_root, self.common_options, self.t.trace_root),
  42                        expected)
  43
  44
  45 def test_answer():
  46     t = CpuTest(verbose=True)
  47     ok = t.run()
  48     assert(ok)