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145 lines
4.8 KiB
145 lines
4.8 KiB
# Copyright (C) 2020 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import io
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import textwrap
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import unittest
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from perf2cfg import analyze
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from perf2cfg import edit
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def empty_analyzer():
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return analyze.RecordAnalyzer()
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def populated_analyzer():
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analyzer = analyze.RecordAnalyzer()
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analyzer.target_arch = 'aarch64'
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samples = [
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('void hcf()', 4, 'cpu-cycles', 90),
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('void hcf()', 8, 'cpu-cycles', 10),
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('void hcf()', 8, 'cache-misses', 100),
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]
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for sample in samples:
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analyzer.record_sample(*sample)
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return analyzer
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def edit_string(analyzer, input_string):
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input_stream = io.StringIO(input_string)
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output_stream = io.StringIO()
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editor = edit.CfgEditor(analyzer, input_stream, output_stream)
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editor.edit()
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return output_stream
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class TestEdit(unittest.TestCase):
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def test_empty_file(self):
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output_stream = edit_string(empty_analyzer(), '')
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self.assertEqual(output_stream.getvalue(), '')
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def test_wrong_filetype(self):
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with self.assertLogs() as ctx:
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edit_string(
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empty_analyzer(), """<!DOCTYPE html>
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<html>
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<head>
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<title>I'm not a CFG file</title>
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</head>
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</html>""")
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self.assertEqual(
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ctx.output,
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['ERROR:root:Line 1: Expected a `begin_compilation` directive'])
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def test_no_architecture(self):
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with self.assertLogs() as ctx:
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edit_string(
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populated_analyzer(), """begin_compilation
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name "void noMetadata()"
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end_compilation""")
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self.assertEqual(ctx.output, [
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'WARNING:root:Could not deduce the CFG file ISA, assuming it is '
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'compatible with the target architecture aarch64'
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])
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def test_wrong_architecture(self):
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with self.assertLogs() as ctx:
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edit_string(
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populated_analyzer(), """begin_compilation
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name "isa:x86_64"
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end_compilation""")
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self.assertEqual(ctx.output, [
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'ERROR:root:The CFG file ISA x86_64 is incompatible with the '
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'target architecture aarch64'
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])
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def test_annotate_method(self):
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with self.assertLogs() as ctx:
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output_stream = edit_string(
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populated_analyzer(),
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textwrap.dedent("""\
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begin_compilation
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name "isa:arm64 isa_features:a53,crc,-lse,-fp16,-dotprod,-sve"
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end_compilation
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begin_compilation
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name "void hcf()"
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end_compilation
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begin_cfg
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name "disassembly (after)"
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begin_block
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flags
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begin_HIR
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0 0 NOPSlide dex_pc:0 loop:none
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0x00000000: d503201f nop
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0x00000004: d503201f nop
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0x00000008: d503201f nop
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<|@
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end_HIR
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end_block
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end_cfg"""))
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self.assertEqual(ctx.output, ['INFO:root:Annotated void hcf()'])
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self.assertEqual(
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output_stream.getvalue(),
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textwrap.dedent("""\
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begin_compilation
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name "isa:arm64 isa_features:a53,crc,-lse,-fp16,-dotprod,-sve"
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end_compilation
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begin_compilation
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name "[cpu-cycles: 100.00%, cache-misses: 100.00%] void hcf()"
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end_compilation
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begin_cfg
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name "disassembly (after)"
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begin_block
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flags "cpu-cycles: 100.00%" "cache-misses: 100.00%" "HI"
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begin_HIR
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0 0 NOPSlide dex_pc:0 loop:none
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_ 0x00000000: d503201f nop
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cpu-cycles: 90 (90.00%) 0x00000004: d503201f nop
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cache-misses: 0 (0.00%)
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cpu-cycles: 10 (10.00%) 0x00000008: d503201f nop
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cache-misses: 100 (100.00%)
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<|@
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end_HIR
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end_block
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end_cfg"""))
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