Rewrite the build system benchmarks to be much simpler and not require bazel.
Test: ./benchmarks && ./format_benchmarks
Change-Id: I907421ed0c85e961d78342a3e58b2d4ab4aaf6ac
diff --git a/tools/perf/pretty.py b/tools/perf/pretty.py
new file mode 100644
index 0000000..1b59098
--- /dev/null
+++ b/tools/perf/pretty.py
@@ -0,0 +1,52 @@
+# Copyright (C) 2023 The Android Open Source Project
+#
+# 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.
+
+# Formatting utilities
+
+class Sentinel():
+ pass
+
+SEPARATOR = Sentinel()
+
+def FormatTable(data, prefix=""):
+ """Pretty print a table.
+
+ Prefixes each row with `prefix`.
+ """
+ if not data:
+ return ""
+ widths = [max([len(x) if x else 0 for x in col]) for col
+ in zip(*[d for d in data if not isinstance(d, Sentinel)])]
+ result = ""
+ colsep = " "
+ for row in data:
+ result += prefix
+ if row == SEPARATOR:
+ for w in widths:
+ result += "-" * w
+ result += colsep
+ result += "\n"
+ else:
+ for i in range(len(row)):
+ cell = row[i] if row[i] else ""
+ if i != 0:
+ result += " " * (widths[i] - len(cell))
+ result += cell
+ if i == 0:
+ result += " " * (widths[i] - len(cell))
+ result += colsep
+ result += "\n"
+ return result
+
+