aboutsummaryrefslogtreecommitdiff
path: root/tests/test_systrace.py
blob: 5f8899b8ef8ae29eb4473fded4a20a1521b8909c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
#    Copyright 2016-2017 ARM Limited
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

import utils_tests

import trappy

import numpy as np

class TestSystrace(utils_tests.SetupDirectory):

    def __init__(self, *args, **kwargs):
        super(TestSystrace, self).__init__(
             [("trace_systrace.html", "trace.html"),
             ("trace_surfaceflinger.html", "trace_sf.html")],
             *args,
             **kwargs)

    def test_systrace_html(self):
        """Tests parsing of a systrace embedded textual trace """

        events = ["sched_switch", "sched_wakeup", "trace_event_clock_sync"]
        trace = trappy.SysTrace("trace.html", events=events)

        self.assertTrue(hasattr(trace, "sched_switch"))
        self.assertEquals(len(trace.sched_switch.data_frame), 4)
        self.assertTrue("prev_comm" in trace.sched_switch.data_frame.columns)

        self.assertTrue(hasattr(trace, "sched_wakeup"))
        self.assertEquals(len(trace.sched_wakeup.data_frame), 4)
        self.assertTrue("target_cpu" in trace.sched_wakeup.data_frame.columns)

        self.assertTrue(hasattr(trace, "trace_event_clock_sync"))
        self.assertEquals(len(trace.trace_event_clock_sync.data_frame), 1)
        self.assertTrue("realtime_ts" in trace.trace_event_clock_sync.data_frame.columns)

    def test_cpu_counting(self):
        """SysTrace traces know the number of cpus"""

        trace = trappy.SysTrace("trace.html")

        self.assertTrue(hasattr(trace, "_cpus"))
        self.assertEquals(trace._cpus, 3)

    def test_systrace_userspace(self):
        """Test parsing of userspace events"""

        # Test a 'B' event (begin)
        trace = trappy.SysTrace("trace_sf.html")
        dfr = trace.tracing_mark_write.data_frame
        self.assertEquals(dfr['__pid'].iloc[2], 7591)
        self.assertEquals(dfr['__comm'].iloc[2], 'RenderThread')
        self.assertEquals(dfr['pid'].iloc[2], 7459)
        self.assertEquals(dfr['event'].iloc[2], 'B')
        self.assertEquals(dfr['func'].iloc[2], 'notifyFramePending')
        self.assertEquals(dfr['data'].iloc[2], None)

        # Test a 'C' event (count)
        self.assertEquals(dfr['__pid'].iloc[-2], 612)
        self.assertEquals(dfr['__comm'].iloc[-2], 'HwBinder:594_1')
        self.assertEquals(dfr['pid'].iloc[-2], 594)
        self.assertEquals(dfr['func'].iloc[-2], 'HW_VSYNC_0')
        self.assertEquals(dfr['event'].iloc[-2], 'C')
        self.assertEquals(dfr['data'].iloc[-2], '0')

        # Test an 'E' event (end)
        edfr = dfr[dfr['event'] == 'E']
        self.assertEquals(edfr['__pid'].iloc[0], 7591)
        self.assertEquals(edfr['__comm'].iloc[0], 'RenderThread')
        self.assertTrue(np.isnan(edfr['pid'].iloc[0]))
        self.assertEquals(edfr['func'].iloc[0], None)
        self.assertEquals(edfr['event'].iloc[0], 'E')
        self.assertEquals(edfr['data'].iloc[0], None)

    def test_systrace_line_num(self):
        """Test for line numbers in a systrace"""
        trace = trappy.SysTrace("trace_sf.html")
        dfr = trace.sched_switch.data_frame
        self.assertEquals(trace.lines, 2506)
        self.assertEquals(dfr['__line'].iloc[0], 0)
        self.assertEquals(dfr['__line'].iloc[1], 6)
        self.assertEquals(dfr['__line'].iloc[-1], 2505)

    def test_parse_tracing_mark_write_events(self):
        """Check that tracing_mark_write events are parsed without errors"""
        events = ['tracing_mark_write']
        try:
            trace = trappy.SysTrace("trace.html", events=events)
        except TypeError as e:
            self.fail("tracing_mark_write parsing failed with {} exception"\
                      .format(e.message))


class TestLegacySystrace(utils_tests.SetupDirectory):

    def __init__(self, *args, **kwargs):
        super(TestLegacySystrace, self).__init__(
             [("trace_legacy_systrace.html", "trace.html")],
             *args,
             **kwargs)

    def test_systrace_html(self):
        """Tests parsing of a legacy systrace embedded textual trace """

        events = ["sched_switch", "sched_wakeup", "sched_contrib_scale_f"]
        trace = trappy.SysTrace("trace.html", events=events)

        self.assertTrue(hasattr(trace, "sched_switch"))
        self.assertEquals(len(trace.sched_switch.data_frame), 3)
        self.assertTrue("prev_comm" in trace.sched_switch.data_frame.columns)

        self.assertTrue(hasattr(trace, "sched_wakeup"))
        self.assertEquals(len(trace.sched_wakeup.data_frame), 2)
        self.assertTrue("target_cpu" in trace.sched_wakeup.data_frame.columns)

        self.assertTrue(hasattr(trace, "sched_contrib_scale_f"))
        self.assertEquals(len(trace.sched_contrib_scale_f.data_frame), 2)
        self.assertTrue("freq_scale_factor" in trace.sched_contrib_scale_f.data_frame.columns)

    def test_cpu_counting(self):
        """In a legacy SysTrace trace, trappy gets the number of cpus"""

        trace = trappy.SysTrace("trace.html")

        self.assertTrue(hasattr(trace, "_cpus"))
        self.assertEquals(trace._cpus, 8)