tools: format Python scripts

By default scripts without `.py` extension do not get picked up by

    git cl format

Change-Id: I09bc6cb45adfae4909c38c5e399f04a9d8d016ed
diff --git a/tools/gen_amalgamated b/tools/gen_amalgamated
index e7892b5..dcce1fb 100755
--- a/tools/gen_amalgamated
+++ b/tools/gen_amalgamated
@@ -353,8 +353,8 @@
       try:
         self.source.extend(
             self._patch_source(
-                source_name, self._process_source_includes(
-                    include_dirs, deps, f)))
+                source_name,
+                self._process_source_includes(include_dirs, deps, f)))
       except Error as e:
         raise Error('Failed adding source %s: %s' % (source_name, e.message))
 
@@ -498,8 +498,8 @@
 Example build command:
 
 %s
-""" % (header_file, source_file, ' '.join(self.cflags), ' '.join(self.ldflags),
-       ' '.join(self.libs), ' '.join(build_cmd))
+""" % (header_file, source_file, ' '.join(self.cflags), ' '.join(
+        self.ldflags), ' '.join(self.libs), ' '.join(build_cmd))
 
   def get_build_command(self, output_prefix):
     """Returns an example command line for building the output source."""
diff --git a/tools/gen_android_bp b/tools/gen_android_bp
index dd7d2c4..86aa750 100755
--- a/tools/gen_android_bp
+++ b/tools/gen_android_bp
@@ -147,8 +147,9 @@
         ('header_libs', {'bionic_libc_platform_headers'}),
     ],
     'perfetto_unittests': [('data', set(enumerate_data_deps())),],
-    'traced_probes': [('required',
-                       {'libperfetto_android_internal', 'trigger_perfetto'}),],
+    'traced_probes': [
+        ('required', {'libperfetto_android_internal', 'trigger_perfetto'}),
+    ],
     'libperfetto_android_internal': [('static_libs', {'libhealthhalutils'}),],
 }
 
@@ -496,12 +497,12 @@
   header_module.tools = tools
 
   for sfx in suffixes:
-    source_module.out.update(
-        '%s/%s' % (tree_path, src.replace('.proto', '.%s.cc' % sfx))
-        for src in source_module.srcs)
-    header_module.out.update(
-        '%s/%s' % (tree_path, src.replace('.proto', '.%s.h' % sfx))
-        for src in header_module.srcs)
+    source_module.out.update('%s/%s' %
+                             (tree_path, src.replace('.proto', '.%s.cc' % sfx))
+                             for src in source_module.srcs)
+    header_module.out.update('%s/%s' %
+                             (tree_path, src.replace('.proto', '.%s.h' % sfx))
+                             for src in header_module.srcs)
   return source_module
 
 
@@ -702,8 +703,8 @@
       action='store_true')
   parser.add_argument(
       '--desc',
-      help=
-      'GN description (e.g., gn desc out --format=json --all-toolchains "//*"')
+      help='GN description (e.g., gn desc out --format=json --all-toolchains "//*"'
+  )
   parser.add_argument(
       '--extras',
       help='Extra targets to include at the end of the Blueprint file',
diff --git a/tools/gen_bazel b/tools/gen_bazel
index f10ac3b..dba8d8d 100755
--- a/tools/gen_bazel
+++ b/tools/gen_bazel
@@ -97,9 +97,9 @@
     ],
     '//gn:zlib': ['PERFETTO_CONFIG.deps.zlib'],
     '//gn/standalone:gen_git_revision': [],
-    '//src/trace_processor/metrics:gen_merged_sql_metrics': [
-        [":cc_merged_sql_metrics"]
-    ]
+    '//src/trace_processor/metrics:gen_merged_sql_metrics': [[
+        ":cc_merged_sql_metrics"
+    ]]
 }
 
 
@@ -143,8 +143,8 @@
     if isinstance(other, self.__class__):
       return self.name < other.name
     raise TypeError(
-      '\'<\' not supported between instances of \'%s\' and \'%s\'' % (
-      type(self).__name__, type(other).__name__))
+        '\'<\' not supported between instances of \'%s\' and \'%s\'' %
+        (type(self).__name__, type(other).__name__))
 
   def __str__(self):
     """Converts the object into a Bazel Starlark label."""
diff --git a/tools/gen_merged_protos b/tools/gen_merged_protos
index 0603ae3..2530e71 100755
--- a/tools/gen_merged_protos
+++ b/tools/gen_merged_protos
@@ -22,89 +22,89 @@
 from codecs import open
 
 COMMON_PROTOS = (
-  'protos/perfetto/common/android_log_constants.proto',
-  'protos/perfetto/common/data_source_descriptor.proto',
-  'protos/perfetto/common/gpu_counter_descriptor.proto',
-  'protos/perfetto/common/sys_stats_counters.proto',
-  'protos/perfetto/common/trace_stats.proto',
-  'protos/perfetto/common/tracing_service_state.proto',
-  'protos/perfetto/common/track_event_descriptor.proto',
+    'protos/perfetto/common/android_log_constants.proto',
+    'protos/perfetto/common/data_source_descriptor.proto',
+    'protos/perfetto/common/gpu_counter_descriptor.proto',
+    'protos/perfetto/common/sys_stats_counters.proto',
+    'protos/perfetto/common/trace_stats.proto',
+    'protos/perfetto/common/tracing_service_state.proto',
+    'protos/perfetto/common/track_event_descriptor.proto',
 )
 
 CONFIG_PROTOS = (
-  'protos/perfetto/config/android/android_log_config.proto',
-  'protos/perfetto/config/chrome/chrome_config.proto',
-  'protos/perfetto/config/data_source_config.proto',
-  'protos/perfetto/config/ftrace/ftrace_config.proto',
-  'protos/perfetto/config/inode_file/inode_file_config.proto',
-  'protos/perfetto/config/power/android_power_config.proto',
-  'protos/perfetto/config/process_stats/process_stats_config.proto',
-  'protos/perfetto/config/sys_stats/sys_stats_config.proto',
-  'protos/perfetto/config/test_config.proto',
-  'protos/perfetto/config/trace_config.proto',
-  'protos/perfetto/config/profiling/heapprofd_config.proto',
-  'protos/perfetto/config/profiling/java_hprof_config.proto',
-  'protos/perfetto/config/gpu/gpu_counter_config.proto',
-  'protos/perfetto/config/android/packages_list_config.proto',
+    'protos/perfetto/config/android/android_log_config.proto',
+    'protos/perfetto/config/chrome/chrome_config.proto',
+    'protos/perfetto/config/data_source_config.proto',
+    'protos/perfetto/config/ftrace/ftrace_config.proto',
+    'protos/perfetto/config/inode_file/inode_file_config.proto',
+    'protos/perfetto/config/power/android_power_config.proto',
+    'protos/perfetto/config/process_stats/process_stats_config.proto',
+    'protos/perfetto/config/sys_stats/sys_stats_config.proto',
+    'protos/perfetto/config/test_config.proto',
+    'protos/perfetto/config/trace_config.proto',
+    'protos/perfetto/config/profiling/heapprofd_config.proto',
+    'protos/perfetto/config/profiling/java_hprof_config.proto',
+    'protos/perfetto/config/gpu/gpu_counter_config.proto',
+    'protos/perfetto/config/android/packages_list_config.proto',
 )
 
 MERGED_CONFIG_PROTO = 'protos/perfetto/config/perfetto_config.proto'
 
 TRACE_PROTOS = (
-  'protos/perfetto/trace/android/android_log.proto',
-  'protos/perfetto/trace/android/graphics_frame_event.proto',
-  'protos/perfetto/trace/android/packages_list.proto',
-  'protos/perfetto/trace/chrome/chrome_benchmark_metadata.proto',
-  "protos/perfetto/trace/chrome/chrome_metadata.proto",
-  'protos/perfetto/trace/clock_snapshot.proto',
-  'protos/perfetto/trace/filesystem/inode_file_map.proto',
-  'protos/perfetto/trace/ftrace/binder.proto',
-  'protos/perfetto/trace/ftrace/block.proto',
-  'protos/perfetto/trace/ftrace/clk.proto',
-  'protos/perfetto/trace/ftrace/ext4.proto',
-  'protos/perfetto/trace/ftrace/f2fs.proto',
-  'protos/perfetto/trace/ftrace/filemap.proto',
-  'protos/perfetto/trace/ftrace/ftrace.proto',
-  'protos/perfetto/trace/ftrace/ftrace_event.proto',
-  'protos/perfetto/trace/ftrace/ftrace_event_bundle.proto',
-  'protos/perfetto/trace/ftrace/ftrace_stats.proto',
-  'protos/perfetto/trace/ftrace/generic.proto',
-  'protos/perfetto/trace/ftrace/kmem.proto',
-  'protos/perfetto/trace/ftrace/lowmemorykiller.proto',
-  'protos/perfetto/trace/ftrace/mm_event.proto',
-  'protos/perfetto/trace/ftrace/power.proto',
-  'protos/perfetto/trace/ftrace/raw_syscalls.proto',
-  'protos/perfetto/trace/ftrace/sched.proto',
-  'protos/perfetto/trace/ftrace/signal.proto',
-  'protos/perfetto/trace/ftrace/systrace.proto',
-  'protos/perfetto/trace/ftrace/task.proto',
-  'protos/perfetto/trace/ftrace/vmscan.proto',
-  'protos/perfetto/trace/interned_data/interned_data.proto',
-  'protos/perfetto/trace/perfetto/perfetto_metatrace.proto',
-  'protos/perfetto/trace/power/battery_counters.proto',
-  'protos/perfetto/trace/power/power_rails.proto',
-  'protos/perfetto/trace/profiling/heap_graph.proto',
-  'protos/perfetto/trace/profiling/profile_common.proto',
-  'protos/perfetto/trace/profiling/profile_packet.proto',
-  'protos/perfetto/trace/ps/process_stats.proto',
-  'protos/perfetto/trace/ps/process_tree.proto',
-  'protos/perfetto/trace/sys_stats/sys_stats.proto',
-  'protos/perfetto/trace/system_info.proto',
-  'protos/perfetto/trace/trace.proto',
-  'protos/perfetto/trace/trace_packet.proto',
-  'protos/perfetto/trace/trace_packet_defaults.proto',
-  'protos/perfetto/trace/track_event/debug_annotation.proto',
-  'protos/perfetto/trace/track_event/log_message.proto',
-  'protos/perfetto/trace/track_event/process_descriptor.proto',
-  'protos/perfetto/trace/track_event/source_location.proto',
-  'protos/perfetto/trace/track_event/task_execution.proto',
-  'protos/perfetto/trace/track_event/thread_descriptor.proto',
-  'protos/perfetto/trace/track_event/track_descriptor.proto',
-  'protos/perfetto/trace/track_event/track_event.proto',
-  'protos/perfetto/trace/trigger.proto',
-  'protos/perfetto/trace/gpu/gpu_counter_event.proto',
-  'protos/perfetto/trace/gpu/gpu_log.proto',
-  'protos/perfetto/trace/gpu/gpu_render_stage_event.proto',
+    'protos/perfetto/trace/android/android_log.proto',
+    'protos/perfetto/trace/android/graphics_frame_event.proto',
+    'protos/perfetto/trace/android/packages_list.proto',
+    'protos/perfetto/trace/chrome/chrome_benchmark_metadata.proto',
+    "protos/perfetto/trace/chrome/chrome_metadata.proto",
+    'protos/perfetto/trace/clock_snapshot.proto',
+    'protos/perfetto/trace/filesystem/inode_file_map.proto',
+    'protos/perfetto/trace/ftrace/binder.proto',
+    'protos/perfetto/trace/ftrace/block.proto',
+    'protos/perfetto/trace/ftrace/clk.proto',
+    'protos/perfetto/trace/ftrace/ext4.proto',
+    'protos/perfetto/trace/ftrace/f2fs.proto',
+    'protos/perfetto/trace/ftrace/filemap.proto',
+    'protos/perfetto/trace/ftrace/ftrace.proto',
+    'protos/perfetto/trace/ftrace/ftrace_event.proto',
+    'protos/perfetto/trace/ftrace/ftrace_event_bundle.proto',
+    'protos/perfetto/trace/ftrace/ftrace_stats.proto',
+    'protos/perfetto/trace/ftrace/generic.proto',
+    'protos/perfetto/trace/ftrace/kmem.proto',
+    'protos/perfetto/trace/ftrace/lowmemorykiller.proto',
+    'protos/perfetto/trace/ftrace/mm_event.proto',
+    'protos/perfetto/trace/ftrace/power.proto',
+    'protos/perfetto/trace/ftrace/raw_syscalls.proto',
+    'protos/perfetto/trace/ftrace/sched.proto',
+    'protos/perfetto/trace/ftrace/signal.proto',
+    'protos/perfetto/trace/ftrace/systrace.proto',
+    'protos/perfetto/trace/ftrace/task.proto',
+    'protos/perfetto/trace/ftrace/vmscan.proto',
+    'protos/perfetto/trace/interned_data/interned_data.proto',
+    'protos/perfetto/trace/perfetto/perfetto_metatrace.proto',
+    'protos/perfetto/trace/power/battery_counters.proto',
+    'protos/perfetto/trace/power/power_rails.proto',
+    'protos/perfetto/trace/profiling/heap_graph.proto',
+    'protos/perfetto/trace/profiling/profile_common.proto',
+    'protos/perfetto/trace/profiling/profile_packet.proto',
+    'protos/perfetto/trace/ps/process_stats.proto',
+    'protos/perfetto/trace/ps/process_tree.proto',
+    'protos/perfetto/trace/sys_stats/sys_stats.proto',
+    'protos/perfetto/trace/system_info.proto',
+    'protos/perfetto/trace/trace.proto',
+    'protos/perfetto/trace/trace_packet.proto',
+    'protos/perfetto/trace/trace_packet_defaults.proto',
+    'protos/perfetto/trace/track_event/debug_annotation.proto',
+    'protos/perfetto/trace/track_event/log_message.proto',
+    'protos/perfetto/trace/track_event/process_descriptor.proto',
+    'protos/perfetto/trace/track_event/source_location.proto',
+    'protos/perfetto/trace/track_event/task_execution.proto',
+    'protos/perfetto/trace/track_event/thread_descriptor.proto',
+    'protos/perfetto/trace/track_event/track_descriptor.proto',
+    'protos/perfetto/trace/track_event/track_event.proto',
+    'protos/perfetto/trace/trigger.proto',
+    'protos/perfetto/trace/gpu/gpu_counter_event.proto',
+    'protos/perfetto/trace/gpu/gpu_log.proto',
+    'protos/perfetto/trace/gpu/gpu_render_stage_event.proto',
 )
 
 MERGED_TRACE_PROTO = 'protos/perfetto/trace/perfetto_trace.proto'
@@ -124,6 +124,7 @@
 package perfetto.protos;
 '''
 
+
 def merge_protos(proto_paths, output_path):
   root_dir = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
   merged_content = ''
@@ -182,6 +183,7 @@
     fout.write(merged_content)
   return True
 
+
 def main():
   config_result = merge_protos(COMMON_PROTOS + CONFIG_PROTOS,
                                MERGED_CONFIG_PROTO)
@@ -189,5 +191,6 @@
                               MERGED_TRACE_PROTO)
   return 0 if config_result and trace_result else 1
 
+
 if __name__ == '__main__':
   sys.exit(main())
diff --git a/tools/gen_tracing_cpp_headers_from_protos b/tools/gen_tracing_cpp_headers_from_protos
index faa303a..c214698 100755
--- a/tools/gen_tracing_cpp_headers_from_protos
+++ b/tools/gen_tracing_cpp_headers_from_protos
@@ -19,32 +19,34 @@
 
 ROOT_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 PUB_CORE_H = 'include/perfetto/tracing/core'
-CORE_H   = 'include/perfetto/ext/tracing/core'
+CORE_H = 'include/perfetto/ext/tracing/core'
 CORE_CPP = 'src/tracing/core'
 
 PROTOS = (
-  # Classes that are exposed as part of the public API surface.
-  ('protos/perfetto/common/data_source_descriptor.proto', PUB_CORE_H, CORE_CPP),
-  ('protos/perfetto/common/tracing_service_state.proto', PUB_CORE_H, CORE_CPP),
-  ('protos/perfetto/config/chrome/chrome_config.proto', PUB_CORE_H, CORE_CPP),
-  ('protos/perfetto/config/data_source_config.proto', PUB_CORE_H, CORE_CPP),
-  ('protos/perfetto/config/test_config.proto', PUB_CORE_H, CORE_CPP),
-  ('protos/perfetto/config/trace_config.proto', PUB_CORE_H, CORE_CPP),
+    # Classes that are exposed as part of the public API surface.
+    ('protos/perfetto/common/data_source_descriptor.proto', PUB_CORE_H, CORE_CPP
+    ),
+    ('protos/perfetto/common/tracing_service_state.proto', PUB_CORE_H,
+     CORE_CPP),
+    ('protos/perfetto/config/chrome/chrome_config.proto', PUB_CORE_H, CORE_CPP),
+    ('protos/perfetto/config/data_source_config.proto', PUB_CORE_H, CORE_CPP),
+    ('protos/perfetto/config/test_config.proto', PUB_CORE_H, CORE_CPP),
+    ('protos/perfetto/config/trace_config.proto', PUB_CORE_H, CORE_CPP),
 
-  # Classes that are exposes only in the /ext/ (unstable) API surface.
-  ('protos/perfetto/common/commit_data_request.proto', CORE_H, CORE_CPP),
-  ('protos/perfetto/common/observable_events.proto', CORE_H, CORE_CPP),
-  ('protos/perfetto/common/trace_stats.proto', CORE_H, CORE_CPP),
+    # Classes that are exposes only in the /ext/ (unstable) API surface.
+    ('protos/perfetto/common/commit_data_request.proto', CORE_H, CORE_CPP),
+    ('protos/perfetto/common/observable_events.proto', CORE_H, CORE_CPP),
+    ('protos/perfetto/common/trace_stats.proto', CORE_H, CORE_CPP),
 
-  # Generate ftrace cpp/h files into the src/traced/probes/ directory.
-  ('protos/perfetto/config/ftrace/ftrace_config.proto',
-      'src/traced/probes/ftrace', 'src/traced/probes/ftrace'),
+    # Generate ftrace cpp/h files into the src/traced/probes/ directory.
+    ('protos/perfetto/config/ftrace/ftrace_config.proto',
+     'src/traced/probes/ftrace', 'src/traced/probes/ftrace'),
 
-  # Generate profiling cpp/h files into the src/profiling/memory/ directory.
-  ('protos/perfetto/config/profiling/heapprofd_config.proto',
-      'src/profiling/memory', 'src/profiling/memory'),
-  ('protos/perfetto/config/profiling/java_hprof_config.proto',
-      'src/profiling/memory', 'src/profiling/memory'),
+    # Generate profiling cpp/h files into the src/profiling/memory/ directory.
+    ('protos/perfetto/config/profiling/heapprofd_config.proto',
+     'src/profiling/memory', 'src/profiling/memory'),
+    ('protos/perfetto/config/profiling/java_hprof_config.proto',
+     'src/profiling/memory', 'src/profiling/memory'),
 )
 
 
@@ -62,13 +64,12 @@
     return 1
   out_dir = sys.argv[1]
   arch = 'mac' if sys.platform == 'darwin' else 'linux64'
-  clang_format_path = os.path.join(
-      ROOT_DIR, 'buildtools', arch, 'clang-format')
+  clang_format_path = os.path.join(ROOT_DIR, 'buildtools', arch, 'clang-format')
   clang_format = [clang_format_path, '-i', '--sort-includes']
   ninja = os.path.join(ROOT_DIR, 'tools', 'ninja')
   run([ninja, '-C', out_dir, 'proto_to_cpp'])
   tool = os.path.join(out_dir, 'proto_to_cpp')
-  assert(os.path.exists(tool))
+  assert (os.path.exists(tool))
   for args in PROTOS:
     proto, header_dir, cpp_dir = args
     include_dir = header_dir.replace('include/', '')
diff --git a/tools/heap_profile b/tools/heap_profile
index d705914..8f57b59 100755
--- a/tools/heap_profile
+++ b/tools/heap_profile
@@ -382,9 +382,10 @@
   profile_files = os.listdir(profile_path)
   if not profile_files:
     print("No profiles generated", file=sys.stderr)
-    print("If this is unexpected, check "
-          "https://docs.perfetto.dev/#/heapprofd?id=troubleshooting.",
-          file=sys.stderr)
+    print(
+        "If this is unexpected, check "
+        "https://docs.perfetto.dev/#/heapprofd?id=troubleshooting.",
+        file=sys.stderr)
     return 1
 
   subprocess.check_call(
diff --git a/tools/install-build-deps b/tools/install-build-deps
index bc85e6d..99db737 100755
--- a/tools/install-build-deps
+++ b/tools/install-build-deps
@@ -41,169 +41,119 @@
 
 # Dependencies required to build code on the host or when targeting desktop OS.
 BUILD_DEPS_HOST = [
-  # GN
-  ('buildtools/mac/gn',
-   'https://storage.googleapis.com/perfetto/gn-mac-b5b65ca39d93a7cde9fa713be31b114755252f28',
-   'b5b65ca39d93a7cde9fa713be31b114755252f28',
-   'darwin'
-  ),
-  ('buildtools/linux64/gn',
-   'https://storage.googleapis.com/perfetto/gn-linux64-1370d9c5358868b7b66292821b6fe61950826870',
-   '1370d9c5358868b7b66292821b6fe61950826870',
-   'linux2'
-  ),
+    # GN
+    ('buildtools/mac/gn',
+     'https://storage.googleapis.com/perfetto/gn-mac-b5b65ca39d93a7cde9fa713be31b114755252f28',
+     'b5b65ca39d93a7cde9fa713be31b114755252f28', 'darwin'),
+    ('buildtools/linux64/gn',
+     'https://storage.googleapis.com/perfetto/gn-linux64-1370d9c5358868b7b66292821b6fe61950826870',
+     '1370d9c5358868b7b66292821b6fe61950826870', 'linux2'),
 
-  # clang-format
-  ('buildtools/mac/clang-format',
-   'https://storage.googleapis.com/chromium-clang-format/025ca7c75f37ef4a40f3a67d81ddd11d7d0cdb9b',
-   '025ca7c75f37ef4a40f3a67d81ddd11d7d0cdb9b',
-   'darwin'
-  ),
-  ('buildtools/linux64/clang-format',
-   'https://storage.googleapis.com/chromium-clang-format/942fc8b1789144b8071d3fc03ff0fcbe1cf81ac8',
-   '942fc8b1789144b8071d3fc03ff0fcbe1cf81ac8',
-   'linux2'
-  ),
-  # Keep the SHA1 in sync with |clang_format_rev| in chromium //buildtools/DEPS.
-  ('buildtools/clang_format/script',
-   'https://chromium.googlesource.com/chromium/llvm-project/cfe/tools/clang-format.git',
-   '96636aa0e9f047f17447f2d45a094d0b59ed7917',
-   'all'
-  ),
+    # clang-format
+    ('buildtools/mac/clang-format',
+     'https://storage.googleapis.com/chromium-clang-format/025ca7c75f37ef4a40f3a67d81ddd11d7d0cdb9b',
+     '025ca7c75f37ef4a40f3a67d81ddd11d7d0cdb9b', 'darwin'),
+    ('buildtools/linux64/clang-format',
+     'https://storage.googleapis.com/chromium-clang-format/942fc8b1789144b8071d3fc03ff0fcbe1cf81ac8',
+     '942fc8b1789144b8071d3fc03ff0fcbe1cf81ac8', 'linux2'),
+    # Keep the SHA1 in sync with |clang_format_rev| in chromium //buildtools/DEPS.
+    ('buildtools/clang_format/script',
+     'https://chromium.googlesource.com/chromium/llvm-project/cfe/tools/clang-format.git',
+     '96636aa0e9f047f17447f2d45a094d0b59ed7917', 'all'),
 
-  # Ninja
-  ('buildtools/mac/ninja',
-   'https://storage.googleapis.com/perfetto/ninja-mac-c15b0698da038b2bd2e8970c14c75fadc06b1add',
-   'c15b0698da038b2bd2e8970c14c75fadc06b1add',
-   'darwin'
-  ),
-  ('buildtools/linux64/ninja',
-   'https://storage.googleapis.com/perfetto/ninja-linux64-c866952bda50c29a669222477309287119bbb7e8',
-   'c866952bda50c29a669222477309287119bbb7e8',
-   'linux2'
-  ),
+    # Ninja
+    ('buildtools/mac/ninja',
+     'https://storage.googleapis.com/perfetto/ninja-mac-c15b0698da038b2bd2e8970c14c75fadc06b1add',
+     'c15b0698da038b2bd2e8970c14c75fadc06b1add', 'darwin'),
+    ('buildtools/linux64/ninja',
+     'https://storage.googleapis.com/perfetto/ninja-linux64-c866952bda50c29a669222477309287119bbb7e8',
+     'c866952bda50c29a669222477309287119bbb7e8', 'linux2'),
 
-  # Keep in sync with Android's //external/googletest/README.version.
-  ('buildtools/googletest.zip',
-   'https://github.com/google/googletest/archive/ff07a5de0e81580547f1685e101194ed1a4fcd56.zip',
-   'c7edec7d7e6db1fc37a20710de9c4d89e3a3893b',
-   'all'
-  ),
+    # Keep in sync with Android's //external/googletest/README.version.
+    ('buildtools/googletest.zip',
+     'https://github.com/google/googletest/archive/ff07a5de0e81580547f1685e101194ed1a4fcd56.zip',
+     'c7edec7d7e6db1fc37a20710de9c4d89e3a3893b', 'all'),
 
-  # Keep in sync with Android's //external/protobuf/README.version.
-  ('buildtools/protobuf.zip',
-   'https://github.com/google/protobuf/releases/download/v3.0.0-beta-3/protobuf-cpp-3.0.0-beta-3.zip',
-   '3caec60aa9d8eefc8c3c3201b6b8ca19935edb89',
-   'all'
-  ),
+    # Keep in sync with Android's //external/protobuf/README.version.
+    ('buildtools/protobuf.zip',
+     'https://github.com/google/protobuf/releases/download/v3.0.0-beta-3/protobuf-cpp-3.0.0-beta-3.zip',
+     '3caec60aa9d8eefc8c3c3201b6b8ca19935edb89', 'all'),
 
-  # libc++, libc++abi and libunwind for Linux where we need to rebuild the C++
-  # lib from sources. Keep the SHA1s in sync with Chrome's src/buildtools/DEPS.
-  ('buildtools/libcxx',
-   'https://chromium.googlesource.com/chromium/llvm-project/libcxx.git',
-   '5938e0582bac570a41edb3d6a2217c299adc1bc6',
-   'all'
-  ),
-  ('buildtools/libcxxabi',
-   'https://chromium.googlesource.com/chromium/llvm-project/libcxxabi.git',
-   '0d529660e32d77d9111912d73f2c74fc5fa2a858',
-   'all'
-  ),
-  ('buildtools/libunwind',
-   'https://chromium.googlesource.com/external/llvm.org/libunwind.git',
-   '69d9b84cca8354117b9fe9705a4430d789ee599b',
-   'all'
-  ),
+    # libc++, libc++abi and libunwind for Linux where we need to rebuild the C++
+    # lib from sources. Keep the SHA1s in sync with Chrome's src/buildtools/DEPS.
+    ('buildtools/libcxx',
+     'https://chromium.googlesource.com/chromium/llvm-project/libcxx.git',
+     '5938e0582bac570a41edb3d6a2217c299adc1bc6', 'all'),
+    ('buildtools/libcxxabi',
+     'https://chromium.googlesource.com/chromium/llvm-project/libcxxabi.git',
+     '0d529660e32d77d9111912d73f2c74fc5fa2a858', 'all'),
+    ('buildtools/libunwind',
+     'https://chromium.googlesource.com/external/llvm.org/libunwind.git',
+     '69d9b84cca8354117b9fe9705a4430d789ee599b', 'all'),
 
-  # Keep the revision in sync with Chrome's PACKAGE_VERSION in
-  # tools/clang/scripts/update.py.
-  ('buildtools/clang.tgz',
-   'https://commondatastorage.googleapis.com/chromium-browser-clang/Linux_x64/clang-365097-f7e52fbd-8.tgz',
-   'fe1b1e5bd7381ae655661cb9658487389561568d',
-   'linux2'
-  ),
+    # Keep the revision in sync with Chrome's PACKAGE_VERSION in
+    # tools/clang/scripts/update.py.
+    ('buildtools/clang.tgz',
+     'https://commondatastorage.googleapis.com/chromium-browser-clang/Linux_x64/clang-365097-f7e52fbd-8.tgz',
+     'fe1b1e5bd7381ae655661cb9658487389561568d', 'linux2'),
 
-  # Keep in sync with chromium DEPS.
-  ('buildtools/libfuzzer',
-   'https://chromium.googlesource.com/chromium/llvm-project/compiler-rt/lib/fuzzer.git',
-   'b9f51dc8c98065df0c8da13c051046f5bab833db',
-   'linux2'
-  ),
+    # Keep in sync with chromium DEPS.
+    ('buildtools/libfuzzer',
+     'https://chromium.googlesource.com/chromium/llvm-project/compiler-rt/lib/fuzzer.git',
+     'b9f51dc8c98065df0c8da13c051046f5bab833db', 'linux2'),
 
-  # Benchmarking tool.
-  ('buildtools/benchmark.zip',
-   'https://github.com/google/benchmark/archive/v1.3.0.zip',
-   'f387e0df37d54bfd5be239e8d0d3ea2e2c3e34f4',
-   'all'
-  ),
+    # Benchmarking tool.
+    ('buildtools/benchmark.zip',
+     'https://github.com/google/benchmark/archive/v1.3.0.zip',
+     'f387e0df37d54bfd5be239e8d0d3ea2e2c3e34f4', 'all'),
 
-  # Libbacktrace, for stacktraces in Linux/Android debug builds.
-  ('buildtools/libbacktrace.zip',
-   'https://github.com/ianlancetaylor/libbacktrace/archive/177940370e4a6b2509e92a0aaa9749184e64af43.zip',
-   'b723fe9d671d1ab54df1297f6afbf2893a41c3ea',
-   'all'
-  ),
+    # Libbacktrace, for stacktraces in Linux/Android debug builds.
+    ('buildtools/libbacktrace.zip',
+     'https://github.com/ianlancetaylor/libbacktrace/archive/177940370e4a6b2509e92a0aaa9749184e64af43.zip',
+     'b723fe9d671d1ab54df1297f6afbf2893a41c3ea', 'all'),
 
-  # Sqlite for the trace processing library.
-  # This is the amalgamated source whose compiled output is meant to be faster.
-  # We still pull the full source for the extensions (not amalgamated).
-  ('buildtools/sqlite.zip',
-   'https://storage.googleapis.com/perfetto/sqlite-amalgamation-3250300.zip',
-   'b78c2cb0d2c9182686c582312479f96a82bf5380',
-   'all'
-  ),
-  ('buildtools/sqlite_src.zip',
-   'https://storage.googleapis.com/perfetto/sqlite-src-3250300.zip',
-   'd1af2883bb800852946f9bf8ab6055e7698e18ee',
-   'all'
-  ),
+    # Sqlite for the trace processing library.
+    # This is the amalgamated source whose compiled output is meant to be faster.
+    # We still pull the full source for the extensions (not amalgamated).
+    ('buildtools/sqlite.zip',
+     'https://storage.googleapis.com/perfetto/sqlite-amalgamation-3250300.zip',
+     'b78c2cb0d2c9182686c582312479f96a82bf5380', 'all'),
+    ('buildtools/sqlite_src.zip',
+     'https://storage.googleapis.com/perfetto/sqlite-src-3250300.zip',
+     'd1af2883bb800852946f9bf8ab6055e7698e18ee', 'all'),
 
-  # JsonCpp for legacy json import. Used only by the trace processor in
-  # standalone builds.
-  ('buildtools/jsoncpp.zip',
-   'https://github.com/open-source-parsers/jsoncpp/archive/1.0.0.zip',
-   '3219e26f2e249bb46b7d688478208c7ec138fea4',
-   'all'
-  ),
+    # JsonCpp for legacy json import. Used only by the trace processor in
+    # standalone builds.
+    ('buildtools/jsoncpp.zip',
+     'https://github.com/open-source-parsers/jsoncpp/archive/1.0.0.zip',
+     '3219e26f2e249bb46b7d688478208c7ec138fea4', 'all'),
 
-  # These dependencies are for libunwindstack, which is used by src/profiling.
-  ('buildtools/android-core',
-   'https://android.googlesource.com/platform/system/core.git',
-   '3f407fcc37b401c91784700c0a691ba8b1f7ef15',
-   'all'
-  ),
+    # These dependencies are for libunwindstack, which is used by src/profiling.
+    ('buildtools/android-core',
+     'https://android.googlesource.com/platform/system/core.git',
+     '3f407fcc37b401c91784700c0a691ba8b1f7ef15', 'all'),
+    ('buildtools/lzma',
+     'https://android.googlesource.com/platform/external/lzma.git',
+     '7851dce6f4ca17f5caa1c93a4e0a45686b1d56c3', 'all'),
+    ('buildtools/zlib',
+     'https://android.googlesource.com/platform/external/zlib.git',
+     'dfa0646a03b4e1707469e04dc931b09774968fe6', 'all'),
+    ('buildtools/bionic',
+     'https://android.googlesource.com/platform/bionic.git',
+     'a60488109cda997dfd83832731c8527feaa2825e', 'all'),
 
-  ('buildtools/lzma',
-   'https://android.googlesource.com/platform/external/lzma.git',
-   '7851dce6f4ca17f5caa1c93a4e0a45686b1d56c3',
-   'all'
-  ),
+    # Example traces for regression tests.
+    (
+        'buildtools/test_data.zip',
+        'https://storage.googleapis.com/perfetto/test-data-20191008-115945.zip',
+        '4738c53cec52dc2bf98d7c3a1b6f0bccfaaf26f8',
+        'all',
+    ),
 
-  ('buildtools/zlib',
-   'https://android.googlesource.com/platform/external/zlib.git',
-   'dfa0646a03b4e1707469e04dc931b09774968fe6',
-   'all'
-  ),
-
-  ('buildtools/bionic',
-   'https://android.googlesource.com/platform/bionic.git',
-   'a60488109cda997dfd83832731c8527feaa2825e',
-   'all'
-  ),
-
-  # Example traces for regression tests.
-  ('buildtools/test_data.zip',
-   'https://storage.googleapis.com/perfetto/test-data-20191008-115945.zip',
-   '4738c53cec52dc2bf98d7c3a1b6f0bccfaaf26f8',
-   'all',
-  ),
-
-  # Linenoise, used only by trace_processor in standalone builds.
-  ('buildtools/linenoise',
-   'https://fuchsia.googlesource.com/third_party/linenoise.git',
-   'c894b9e59f02203dbe4e2be657572cf88c4230c3',
-   'all'
-  ),
+    # Linenoise, used only by trace_processor in standalone builds.
+    ('buildtools/linenoise',
+     'https://fuchsia.googlesource.com/third_party/linenoise.git',
+     'c894b9e59f02203dbe4e2be657572cf88c4230c3', 'all'),
 ]
 
 # Dependencies required to build Android code.
@@ -211,46 +161,34 @@
 # - https://dl.google.com/android/repository/repository-11.xml
 # - https://dl.google.com/android/repository/sys-img/android/sys-img.xml
 BUILD_DEPS_ANDROID = [
-  # Android NDK
-  ('buildtools/ndk.zip',
-   'https://dl.google.com/android/repository/android-ndk-r17b-darwin-x86_64.zip',
-   'f990aafaffec0b583d2c5420bfa622e52ac14248',
-   'darwin'
-  ),
-  ('buildtools/ndk.zip',
-   'https://dl.google.com/android/repository/android-ndk-r17b-linux-x86_64.zip',
-   'dd5762ee7ef4995ad04fe0c45a608c344d99ca9f',
-   'linux2'
-  ),
+    # Android NDK
+    ('buildtools/ndk.zip',
+     'https://dl.google.com/android/repository/android-ndk-r17b-darwin-x86_64.zip',
+     'f990aafaffec0b583d2c5420bfa622e52ac14248', 'darwin'),
+    ('buildtools/ndk.zip',
+     'https://dl.google.com/android/repository/android-ndk-r17b-linux-x86_64.zip',
+     'dd5762ee7ef4995ad04fe0c45a608c344d99ca9f', 'linux2'),
 ]
 
 # Dependencies required to run Android tests.
 TEST_DEPS_ANDROID = [
-  # Android emulator images.
-  ('buildtools/aosp-arm.zip',
-   'https://storage.googleapis.com/perfetto/aosp-02022018-arm.zip',
-   'a480d5e7d3ca888b0a58fe15ce76b1791537429a',
-   'all'
-  ),
+    # Android emulator images.
+    ('buildtools/aosp-arm.zip',
+     'https://storage.googleapis.com/perfetto/aosp-02022018-arm.zip',
+     'a480d5e7d3ca888b0a58fe15ce76b1791537429a', 'all'),
 
-  # platform-tools.zip contains adb binaries.
-  ('buildtools/android_sdk/platform-tools.zip',
-   'https://dl.google.com/android/repository/platform-tools_r26.0.0-darwin.zip',
-   'e75b6137dc444f777eb02f44a6d9819b3aabff82',
-   'darwin'
-  ),
-  ('buildtools/android_sdk/platform-tools.zip',
-   'https://dl.google.com/android/repository/platform-tools_r26.0.0-linux.zip',
-   '00de8a6631405b617c10f68cd11ff2e1cd528e23',
-   'linux2'
-  ),
+    # platform-tools.zip contains adb binaries.
+    ('buildtools/android_sdk/platform-tools.zip',
+     'https://dl.google.com/android/repository/platform-tools_r26.0.0-darwin.zip',
+     'e75b6137dc444f777eb02f44a6d9819b3aabff82', 'darwin'),
+    ('buildtools/android_sdk/platform-tools.zip',
+     'https://dl.google.com/android/repository/platform-tools_r26.0.0-linux.zip',
+     '00de8a6631405b617c10f68cd11ff2e1cd528e23', 'linux2'),
 
-  # Android emulator binaries.
-  ('buildtools/emulator',
-   'https://android.googlesource.com/platform/prebuilts/android-emulator.git',
-   '4b260028dc27bc92c39bee9129cb2ba839970956',
-   'all'
-  ),
+    # Android emulator binaries.
+    ('buildtools/emulator',
+     'https://android.googlesource.com/platform/prebuilts/android-emulator.git',
+     '4b260028dc27bc92c39bee9129cb2ba839970956', 'all'),
 ]
 
 # This variable is updated by tools/roll-catapult-trace-viewer.
@@ -259,51 +197,33 @@
 TYPEFACES_SHA1 = '756b0a015b8f99f5718f7fdf967d052c1ec55ab3'
 
 UI_DEPS = [
-  ('buildtools/nodejs.tgz',
-   'https://storage.googleapis.com/perfetto/node-v10.3.0-darwin-x64.tar.gz',
-   '6d9a122785f38c256add3b25f74adf125497861a',
-   'darwin'
-  ),
-  ('buildtools/nodejs.tgz',
-   'https://storage.googleapis.com/perfetto/node-v10.3.0-linux-x64.tar.xz',
-   '118f6ea19f75089b3f12ac2ddfce357bff872b5e',
-   'linux2'
-  ),
-  ('buildtools/emsdk/emscripten.tgz',
-   'https://storage.googleapis.com/perfetto/emscripten-1.37.40.tar.gz',
-   '588c28221321ebbdfc8e3a6f47ea6106f589669b',
-   'all'
-  ),
-  ('buildtools/emsdk/llvm.tgz',
-   'https://storage.googleapis.com/perfetto/emscripten-llvm-e1.37.40-darwin.tar.gz',
-   '7a894ef0a52821c62f6abaac552dc4ce5d424607',
-   'darwin'
-  ),
-  ('buildtools/emsdk/llvm.tgz',
-   'https://storage.googleapis.com/perfetto/emscripten-llvm-e1.37.40-static-linux.tar.gz',
-   '478501b9b7a14884e546c84efe209a90052cbb07',
-   'linux2'
-  ),
-  ('buildtools/d8.tgz',
-   'https://storage.googleapis.com/perfetto/d8-linux2-5.7.492.65.tar.gz',
-   '95e82ad7faf0a6f74d950c2aa65e3858b7bdb6c6',
-   'linux2'
-  ),
-  ('buildtools/d8.tgz',
-   'https://storage.googleapis.com/perfetto/d8-darwin-6.6.346.32.tar.gz',
-   '1abd630619bb1977ab62095570a113d782a1545d',
-   'darwin'
-  ),
-  ('buildtools/catapult_trace_viewer.tgz',
-   'https://storage.googleapis.com/perfetto/catapult_trace_viewer-%s.tar.gz' % CATAPULT_SHA1,
-    CATAPULT_SHA1,
-   'all'
-  ),
-  ('buildtools/typefaces.tgz',
-   'https://storage.googleapis.com/perfetto/typefaces-%s.tar.gz' % TYPEFACES_SHA1,
-    TYPEFACES_SHA1,
-   'all'
-  )
+    ('buildtools/nodejs.tgz',
+     'https://storage.googleapis.com/perfetto/node-v10.3.0-darwin-x64.tar.gz',
+     '6d9a122785f38c256add3b25f74adf125497861a', 'darwin'),
+    ('buildtools/nodejs.tgz',
+     'https://storage.googleapis.com/perfetto/node-v10.3.0-linux-x64.tar.xz',
+     '118f6ea19f75089b3f12ac2ddfce357bff872b5e', 'linux2'),
+    ('buildtools/emsdk/emscripten.tgz',
+     'https://storage.googleapis.com/perfetto/emscripten-1.37.40.tar.gz',
+     '588c28221321ebbdfc8e3a6f47ea6106f589669b', 'all'),
+    ('buildtools/emsdk/llvm.tgz',
+     'https://storage.googleapis.com/perfetto/emscripten-llvm-e1.37.40-darwin.tar.gz',
+     '7a894ef0a52821c62f6abaac552dc4ce5d424607', 'darwin'),
+    ('buildtools/emsdk/llvm.tgz',
+     'https://storage.googleapis.com/perfetto/emscripten-llvm-e1.37.40-static-linux.tar.gz',
+     '478501b9b7a14884e546c84efe209a90052cbb07', 'linux2'),
+    ('buildtools/d8.tgz',
+     'https://storage.googleapis.com/perfetto/d8-linux2-5.7.492.65.tar.gz',
+     '95e82ad7faf0a6f74d950c2aa65e3858b7bdb6c6', 'linux2'),
+    ('buildtools/d8.tgz',
+     'https://storage.googleapis.com/perfetto/d8-darwin-6.6.346.32.tar.gz',
+     '1abd630619bb1977ab62095570a113d782a1545d', 'darwin'),
+    ('buildtools/catapult_trace_viewer.tgz',
+     'https://storage.googleapis.com/perfetto/catapult_trace_viewer-%s.tar.gz' %
+     CATAPULT_SHA1, CATAPULT_SHA1, 'all'),
+    ('buildtools/typefaces.tgz',
+     'https://storage.googleapis.com/perfetto/typefaces-%s.tar.gz' %
+     TYPEFACES_SHA1, TYPEFACES_SHA1, 'all')
 ]
 
 ROOT_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
@@ -313,7 +233,7 @@
   if not os.path.exists(path):
     return None
   with open(path) as f:
-      return f.read().strip()
+    return f.read().strip()
 
 
 def MkdirRecursive(path):
@@ -324,7 +244,7 @@
     if not os.path.exists(cwd):
       os.makedirs(cwd)
     else:
-      assert(os.path.isdir(cwd))
+      assert (os.path.isdir(cwd))
 
 
 def HashLocalFile(path):
@@ -354,25 +274,21 @@
   logging.info('Fetching %s @ %s into %s', git_url, revision, path)
   subprocess.check_call(['git', 'init', path], cwd=path)
   subprocess.check_call(
-    ['git', 'fetch', '--quiet', '--depth', '1', git_url, revision], cwd=path)
+      ['git', 'fetch', '--quiet', '--depth', '1', git_url, revision], cwd=path)
   subprocess.check_call(['git', 'checkout', revision, '--quiet'], cwd=path)
-  assert(IsGitRepoCheckoutOutAtRevision(path, revision))
+  assert (IsGitRepoCheckoutOutAtRevision(path, revision))
   return True
 
 
 def InstallNodeModules():
   ui_dir = os.path.join(ROOT_DIR, 'ui')
   logging.info("Running npm install in {0}".format(ui_dir))
-  subprocess.check_call(
-    [os.path.join(ui_dir, 'npm'), 'install', '--no-save'],
-    cwd=os.path.join(ROOT_DIR, 'ui'))
+  subprocess.check_call([os.path.join(ui_dir, 'npm'), 'install', '--no-save'],
+                        cwd=os.path.join(ROOT_DIR, 'ui'))
 
 
 def CheckHashes():
-  for deps in [BUILD_DEPS_HOST,
-               BUILD_DEPS_ANDROID,
-               TEST_DEPS_ANDROID,
-               UI_DEPS]:
+  for deps in [BUILD_DEPS_HOST, BUILD_DEPS_ANDROID, TEST_DEPS_ANDROID, UI_DEPS]:
     for rel_path, url, expected_sha1, platform in deps:
       if url.endswith('.git'):
         continue
@@ -391,8 +307,8 @@
   parser = argparse.ArgumentParser()
   parser.add_argument('--no-android', action='store_true')
   parser.add_argument('--ui', action='store_true')
-  parser.add_argument('--check-hashes', help='Check hashes for all URLs',
-                      action='store_true')
+  parser.add_argument(
+      '--check-hashes', help='Check hashes for all URLs', action='store_true')
   args = parser.parse_args()
   if args.check_hashes:
     CheckHashes()
@@ -431,11 +347,11 @@
             download_path, expected_sha1, actual_sha1))
         return 1
       os.rename(download_path, local_path)
-    assert(HashLocalFile(local_path) == expected_sha1)
+    assert (HashLocalFile(local_path) == expected_sha1)
 
     if is_zip:
       logging.info('Extracting %s into %s' % (local_path, zip_target_dir))
-      assert(os.path.commonprefix((ROOT_DIR, zip_target_dir)) == ROOT_DIR)
+      assert (os.path.commonprefix((ROOT_DIR, zip_target_dir)) == ROOT_DIR)
       if os.path.exists(zip_target_dir):
         logging.info('Deleting stale dir %s' % zip_target_dir)
         shutil.rmtree(zip_target_dir)
@@ -456,7 +372,7 @@
         subdir = os.path.join(zip_target_dir, subdir[0])
         if os.path.isdir(subdir):
           for subf in os.listdir(subdir):
-            shutil.move(os.path.join(subdir,subf), zip_target_dir)
+            shutil.move(os.path.join(subdir, subf), zip_target_dir)
           os.rmdir(subdir)
 
       # Create stamp and remove the archive.
@@ -474,6 +390,7 @@
     logging.warning('Remember to run "gn clean <output_directory>" ' +
                     'to avoid stale binary files.')
 
+
 if __name__ == '__main__':
   logging.basicConfig(level=logging.INFO)
   sys.exit(Main())
diff --git a/tools/run_test_like_ci b/tools/run_test_like_ci
index 3a94ef9..e569b98 100755
--- a/tools/run_test_like_ci
+++ b/tools/run_test_like_ci
@@ -26,54 +26,53 @@
 
 
 def main():
-    parser = argparse.ArgumentParser()
-    parser.add_argument('config', choices=JOB_CONFIGS.keys())
-    args = parser.parse_args()
+  parser = argparse.ArgumentParser()
+  parser.add_argument('config', choices=JOB_CONFIGS.keys())
+  args = parser.parse_args()
 
-    # Check that the directory is clean.
-    git_cmd = ['git', '-C', REPO_ROOT, 'status', '--porcelain']
-    modified_files = subprocess.check_output(git_cmd)
-    if modified_files:
-      print('The current Git repo has modified/untracked files.')
-      print('The sandboxed VM will fetch the HEAD of your current git repo.')
-      print('This is probably not the state you want to be in.')
-      print('I suggest you press CTRL+C, commit and then re-run this script')
-      print('Modified files:\n' + modified_files)
-      raw_input('If you think you know what you are doing, press Enter instead')
+  # Check that the directory is clean.
+  git_cmd = ['git', '-C', REPO_ROOT, 'status', '--porcelain']
+  modified_files = subprocess.check_output(git_cmd)
+  if modified_files:
+    print('The current Git repo has modified/untracked files.')
+    print('The sandboxed VM will fetch the HEAD of your current git repo.')
+    print('This is probably not the state you want to be in.')
+    print('I suggest you press CTRL+C, commit and then re-run this script')
+    print('Modified files:\n' + modified_files)
+    raw_input('If you think you know what you are doing, press Enter instead')
 
-    env = {
-        'PERFETTO_TEST_GIT_REF': 'file:///ci/source',
-    }
-    env.update(JOB_CONFIGS[args.config])
+  env = {
+      'PERFETTO_TEST_GIT_REF': 'file:///ci/source',
+  }
+  env.update(JOB_CONFIGS[args.config])
 
-    workdir = os.path.join(REPO_ROOT, 'out', 'tmp.ci')
-    cmd = [
-        'sudo', '--', 'docker', 'run', '-it', '--name', 'perfetto_ci',
-        '--cap-add', 'SYS_PTRACE', '--rm', '--volume',
-        '%s:/ci/ramdisk' % workdir, '--tmpfs', '/tmp:exec',
-        '--volume=%s:/ci/source:ro' % REPO_ROOT
-    ]
-    for kv in env.items():
-        cmd += ['--env', '%s=%s' % kv]
-    cmd += [SANDBOX_IMG]
-    cmd += [
-        'bash', '-c',
-        'cd /ci/ramdisk; bash /ci/init.sh || sudo -u perfetto -EH bash -i'
-    ]
+  workdir = os.path.join(REPO_ROOT, 'out', 'tmp.ci')
+  cmd = [
+      'sudo', '--', 'docker', 'run', '-it', '--name', 'perfetto_ci',
+      '--cap-add', 'SYS_PTRACE', '--rm', '--volume',
+      '%s:/ci/ramdisk' % workdir, '--tmpfs', '/tmp:exec',
+      '--volume=%s:/ci/source:ro' % REPO_ROOT
+  ]
+  for kv in env.items():
+    cmd += ['--env', '%s=%s' % kv]
+  cmd += [SANDBOX_IMG]
+  cmd += [
+      'bash', '-c',
+      'cd /ci/ramdisk; bash /ci/init.sh || sudo -u perfetto -EH bash -i'
+  ]
 
-    print('About to run\n', ' '.join(cmd))
-    print('')
-    print('The VM will have read-only acess to: %s, mounted as /ci/source' %
-          REPO_ROOT)
-    print('The VM workdir /ci/ramdisk will be mounted into: %s' % workdir)
-    print(
-        'The contents of %s will be deleted before starting the VM' % workdir)
-    raw_input('Press a key to continue')
+  print('About to run\n', ' '.join(cmd))
+  print('')
+  print('The VM will have read-only acess to: %s, mounted as /ci/source' %
+        REPO_ROOT)
+  print('The VM workdir /ci/ramdisk will be mounted into: %s' % workdir)
+  print('The contents of %s will be deleted before starting the VM' % workdir)
+  raw_input('Press a key to continue')
 
-    shutil.rmtree(workdir, ignore_errors=True)
-    os.makedirs(workdir)
-    os.execvp(cmd[0], cmd[1:])
+  shutil.rmtree(workdir, ignore_errors=True)
+  os.makedirs(workdir)
+  os.execvp(cmd[0], cmd[1:])
 
 
 if __name__ == '__main__':
-    sys.exit(main())
+  sys.exit(main())
diff --git a/tools/trace_processor b/tools/trace_processor
index c8fb203..2af5b8f 100755
--- a/tools/trace_processor
+++ b/tools/trace_processor
@@ -20,7 +20,7 @@
 # cat ./trace_processor | bash
 # cat ./trace_processor | python -
 
-BASH_FALLBACK=""" "
+BASH_FALLBACK = """ "
 exec python - "$@" <<'#'EOF
 #"""
 
@@ -31,18 +31,19 @@
 import urllib
 
 TRACE_PROCESSOR_SHELL_SHAS = {
-  'linux': '8e7ce3affdaa1d1f66a0bd58368782784bf6c9a6',
-  'mac':'78709d06d30260119f31963143073dde24f03da0',
+    'linux': '8e7ce3affdaa1d1f66a0bd58368782784bf6c9a6',
+    'mac': '78709d06d30260119f31963143073dde24f03da0',
 }
 TRACE_PROCESSOR_SHELL_PATH = tempfile.gettempdir()
-TRACE_PROCESSOR_SHELL_BASE_URL = (
-    'https://storage.googleapis.com/perfetto/')
+TRACE_PROCESSOR_SHELL_BASE_URL = ('https://storage.googleapis.com/perfetto/')
+
 
 def check_hash(file_name, sha_value):
   with open(file_name, 'rb') as fd:
     file_hash = hashlib.sha1(fd.read()).hexdigest()
     return file_hash == sha_value
 
+
 def load_trace_processor_shell(platform):
   sha_value = TRACE_PROCESSOR_SHELL_SHAS[platform]
   file_name = 'trace_processor_shell-' + platform + '-' + sha_value
@@ -62,6 +63,7 @@
   os.chmod(local_file, 0o755)
   return local_file
 
+
 def main(argv):
   platform = None
   if sys.platform.startswith('linux'):
@@ -76,6 +78,7 @@
   os.execv(trace_processor_shell_binary,
            [trace_processor_shell_binary] + argv[1:])
 
+
 if __name__ == '__main__':
   sys.exit(main(sys.argv))
 
diff --git a/tools/traceconv b/tools/traceconv
index 49afea4..53cd5c4 100755
--- a/tools/traceconv
+++ b/tools/traceconv
@@ -20,7 +20,7 @@
 # cat ./traceconv | bash
 # cat ./traceconv | python -
 
-BASH_FALLBACK=""" "
+BASH_FALLBACK = """ "
 exec python - "$@" <<'#'EOF
 #"""
 
@@ -33,18 +33,19 @@
 # Keep this in sync with the SHAs in catapult file
 # systrace/systrace/tracing_agents/atrace_from_file_agent.py.
 TRACE_TO_TEXT_SHAS = {
-  'linux': 'c579caa592b21f45102e8bd8cc984ebf25ebb401',
-  'mac':'f3ad823b0b8d27ca66d3421131790dfa4e58708d',
+    'linux': 'c579caa592b21f45102e8bd8cc984ebf25ebb401',
+    'mac': 'f3ad823b0b8d27ca66d3421131790dfa4e58708d',
 }
 TRACE_TO_TEXT_PATH = tempfile.gettempdir()
-TRACE_TO_TEXT_BASE_URL = (
-    'https://storage.googleapis.com/perfetto/')
+TRACE_TO_TEXT_BASE_URL = ('https://storage.googleapis.com/perfetto/')
+
 
 def check_hash(file_name, sha_value):
   with open(file_name, 'rb') as fd:
     file_hash = hashlib.sha1(fd.read()).hexdigest()
     return file_hash == sha_value
 
+
 def load_trace_to_text(platform):
   sha_value = TRACE_TO_TEXT_SHAS[platform]
   file_name = 'trace_to_text-' + platform + '-' + sha_value
@@ -64,6 +65,7 @@
   os.chmod(local_file, 0o755)
   return local_file
 
+
 def main(argv):
   platform = None
   if sys.platform.startswith('linux'):
@@ -77,6 +79,7 @@
   trace_to_text_binary = load_trace_to_text(platform)
   os.execv(trace_to_text_binary, [trace_to_text_binary] + argv[1:])
 
+
 if __name__ == '__main__':
   sys.exit(main(sys.argv))