Convert 'perf script' output to about:tracing json.

tools/convert_perf_script_to_tracing_json_test.py

+#!/usr/bin/python
+# Copyright (c) 2012 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import convert_perf_script_to_tracing_json
+import unittest
+
+class TestConverScript(unittest.TestCase):
+  def test_extract_function_name_basic(self):
+    line = ('      1835025 WebCore::NodeEventContext::handleLocalEvents' +
+      '(WebCore::Event*) const (/chrome)')
+    self.assertEqual(
+      convert_perf_script_to_tracing_json.extract_function_name(line),
+      'WebCore::NodeEventContext::handleLocalEvents')
+
+  def test_extract_function_name_basic_extra_spaces(self):
+    line = ('      1835025   WebCore::NodeEventContext::handleLocalEvents(' +
+      'WebCore::Event*) const (/chrome)  ')
+    self.assertEqual(
+      convert_perf_script_to_tracing_json.extract_function_name(line),
+      'WebCore::NodeEventContext::handleLocalEvents')
+
+  def test_extract_function_name_kallsyms(self):
+    line = '   ffffffff815de882  ([kernel.kallsyms])'
+    self.assertEqual(
+      convert_perf_script_to_tracing_json.extract_function_name(line),
+      'ffffffff815de882')
+
+  def test_extract_function_name_perf_map_file(self):
+    line = '   3559d450634e  (/tmp/perf-15260.map)'
+    self.assertEqual(
+      convert_perf_script_to_tracing_json.extract_function_name(line),
+      '3559d450634e')
+
+  def test_extract_function_name_non_virtual_thunk(self):
+    line = ('       32dd68d non-virtual thunk to ' +
+      'content::RenderWidgetCompositor::Animate(base::TimeTicks) (/chrome)')
+    self.assertEqual(
+      convert_perf_script_to_tracing_json.extract_function_name(line),
+      'content::RenderWidgetCompositor::Animate')
+
+  def test_extract_function_name_anonymous_namespace(self):
+    line = ('       32dd68d (anonymous namespace)::' +
+      'RenderWidgetCompositor::Animate(base::TimeTicks) (/chrome)')
+    self.assertEqual(
+      convert_perf_script_to_tracing_json.extract_function_name(line),
+      'RenderWidgetCompositor::Animate')
+
+  # FIXME: What's the right answer here?
+  def test_extract_function_name_complex_templates(self):
+    line = ('       12a4908 base::internal::InvokeHelper<true, void, ' +
+      'base::internal::RunnableAdapter<void (cc::ThreadProxy::*)(' +
+      'scoped_ptr<cc::ThreadProxy::BeginMainFrameAndCommitState, ' +
+      'base::DefaultDeleter<cc::ThreadProxy::BeginMainFrameAndCommitState>' +
+      ' >)>, void ()(base::WeakPtr<cc::ThreadProxy> const&, ' +
+      'scoped_ptr<cc::ThreadProxy::BeginMainFrameAndCommitState, ' +
+      'base::DefaultDeleter<cc::ThreadProxy::BeginMainFrameAndCommitState> ' +
+      '>)>::MakeItSo(base::internal::RunnableAdapter<void ' +
+      '(cc::ThreadProxy::*)(scoped_ptr<cc::ThreadProxy::' +
+      'BeginMainFrameAndCommitState, base::DefaultDeleter<cc::ThreadProxy::' +
+      'BeginMainFrameAndCommitState> >)>, base::WeakPtr<cc::ThreadProxy> ' +
+      'const&, scoped_ptr<cc::ThreadProxy::BeginMainFrameAndCommitState, ' +
+      'base::DefaultDeleter<cc::ThreadProxy::BeginMainFrameAndCommitState> >)' +
+      ' (/chrome)')
+    self.assertEqual(
+      convert_perf_script_to_tracing_json.extract_function_name(line),
+      ('base::internal::InvokeHelper<true, void, base::internal::' +
+        'RunnableAdapter<void (cc::ThreadProxy::*)(scoped_ptr<cc::ThreadProxy' +
+        '::BeginMainFrameAndCommitState, base::DefaultDeleter<cc::ThreadProxy' +
+        '::BeginMainFrameAndCommitState> >)>, void ()(base::WeakPtr<cc::' +
+        'ThreadProxy> const&, scoped_ptr<cc::ThreadProxy::' +
+        'BeginMainFrameAndCommitState, base::DefaultDeleter<cc::ThreadProxy' +
+        '::BeginMainFrameAndCommitState> >)>::MakeItSo(base::internal::' +
+        'RunnableAdapter<void (cc::ThreadProxy::*)'))
+
+  def test_collapse_perf_script_output(self):
+    lines = [
+      '# this is a comment',
+      'HTMLParserThrea 15260 cycles: ',
+      '  ffffffff8109e0fb  ([kernel.kallsyms])',
+      '  ffffffff815de882  ([kernel.kallsyms])',
+      '        a5b836 content::ContentMain(a::b const&) (/chrome)',
+      '        4279c9 ChromeMain (/chrome)',
+      '    7fca67cce76d __libc_start_main (/libc-2.15.so)',
+      '',
+    ]
+    collapsed_lines = (
+      convert_perf_script_to_tracing_json.collapse_perf_script_output(lines))
+    stack = ('__libc_start_main;ChromeMain;content::ContentMain;' +
+      'ffffffff815de882;ffffffff8109e0fb')
+    self.assertEqual(collapsed_lines, {
+      '15260': {
+        stack: 1,
+      }
+    })
+
+  def test_compute_tree_basic(self):
+    stack = ('__libc_start_main;ChromeMain;content::ContentMain;' +
+      'ffffffff815de882;ffffffff8109e0fb')
+    collapsed_lines = {
+      '15260': {
+        stack: 1,
+      }
+    }
+    self.assertEqual(
+      convert_perf_script_to_tracing_json.compute_tree(collapsed_lines), (
+      {
+        '__libc_start_main;15260': {
+          'start_time': 0, 'children': {
+            'ChromeMain;15260': {
+              'start_time': 0, 'children': {
+                'content::ContentMain;15260': {
+                  'start_time': 0, 'children': {
+                    'ffffffff815de882;15260': {
+                      'start_time': 0, 'children': {
+                        'ffffffff8109e0fb;15260': {
+                          'start_time': 0,
+                          'children': {},
+                          'end_time': 1
+                        }
+                      },
+                      'end_time': 1
+                    }
+                  },
+                  'end_time': 1
+                }
+              },
+              'end_time': 1
+            }
+          },
+          'end_time': 1
+        }
+      },
+      1,
+      {'15260': 1}
+    ))
+
+  def test_compute_tree_same_stack_different_threads(self):
+    stack = ('__libc_start_main;ChromeMain;content::ContentMain;' +
+      'ffffffff815de882;ffffffff8109e0fb')
+    collapsed_lines = {
+      '15260': {
+        stack: 1,
+      },
+      '1234': {
+        stack: 1,
+      },
+    }
+    self.assertEqual(
+      convert_perf_script_to_tracing_json.compute_tree(collapsed_lines), (
+      {
+        '__libc_start_main;15260': {
+          'start_time': 0, 'children': {
+            'ChromeMain;15260': {
+              'start_time': 0, 'children': {
+                'content::ContentMain;15260': {
+                  'start_time': 0, 'children': {
+                    'ffffffff815de882;15260': {
+                      'start_time': 0, 'children': {
+                        'ffffffff8109e0fb;15260': {
+                          'start_time': 0, 'children': {}, 'end_time': 1
+                        }
+                      },
+                      'end_time': 1
+                    }
+                  },
+                  'end_time': 1
+                }
+              },
+              'end_time': 1
+            }
+          },
+          'end_time': 1
+        },
+        '__libc_start_main;1234': {
+          'start_time': 0, 'children': {
+            'ChromeMain;1234': {
+              'start_time': 0, 'children': {
+                'content::ContentMain;1234': {
+                  'start_time': 0, 'children': {
+                    'ffffffff815de882;1234': {
+                      'start_time': 0, 'children': {
+                        'ffffffff8109e0fb;1234': {
+                          'start_time': 0, 'children': {}, 'end_time': 1
+                        }
+                      },
+                      'end_time': 1
+                    }
+                  },
+                  'end_time': 1
+                }
+              },
+              'end_time': 1
+            }
+          },
+          'end_time': 1
+        },
+      },
+      2,
+      {'15260': 1, '1234': 1}
+    ))
+
+  def test_stringified_json_output(self):
+    lines = [
+      '# this is a comment',
+      'HTMLParserThrea 15260 cycles: ',
+      '  ffffffff8109e0fb  ([kernel.kallsyms])',
+      '  ffffffff815de882  ([kernel.kallsyms])',
+      '        a5b836 c::ContentMain(a::b const&) (/chrome)',
+      '        4279c9 ChromeMain (/chrome)',
+      '    7fca67cce76d __libc_start_main (/libc-2.15.so)',
+      '',
+    ]
+    self.assertEqual(
+      convert_perf_script_to_tracing_json.stringified_json_output(lines),
+      '[' +
+        '{"tid":"15260","ph":"B","pid":1,"name":"__libc_start_main","ts":0},' +
+        '{"tid":"15260","ph":"B","pid":1,"name":"ChromeMain","ts":0},' +
+        '{"tid":"15260","ph":"B","pid":1,"name":"c::ContentMain","ts":0},' +
+        '{"tid":"15260","ph":"B","pid":1,"name":"ffffffff815de882","ts":0},' +
+        '{"name":"ffffffff8109e0fb","args":{' +
+          '"process percent":"100.00%","thread percent":"100.00%"},' +
+          '"pid":1,"ts":0,"tid":"15260","dur":1,"ph":"X"},' +
+        '{"name":"ffffffff815de882","args":{' +
+          '"process percent":"100.00%","thread percent":"100.00%"},' +
+          '"pid":1,"ts":1,"tid":"15260","ph":"E"},' +
+        '{"name":"c::ContentMain","args":{' +
+          '"process percent":"100.00%","thread percent":"100.00%"},' +
+          '"pid":1,"ts":1,"tid":"15260","ph":"E"},' +
+        '{"name":"ChromeMain","args":{' +
+          '"process percent":"100.00%","thread percent":"100.00%"},' +
+          '"pid":1,"ts":1,"tid":"15260","ph":"E"},' +
+        '{"name":"__libc_start_main","args":{' +
+          '"process percent":"100.00%","thread percent":"100.00%"},' +
+          '"pid":1,"ts":1,"tid":"15260","ph":"E"}' +
+      ']')
+
+if __name__ == '__main__':
+  unittest.main()