templateHEADmaster

1 files changed, 34 insertions, 0 deletions

diff --git a/perf.py b/perf.py
new file mode 100755
index 0000000000..e7b6d5bf7a
--- /dev/null
+++ b/perf.py
@@ -0,0 +1,34 @@
+#!/usr/bin/python3 -S
+
+import random
+from os import _exit
+from sys import argv
+
+perf = 100.0 # Absolute performance of the benchmark
+sample_distribution_mode = 0 # 0 = normal distribution
+variance = 1 # Variance of the benchmark (meaning depends on the sample distribution selected)
+build_broken = False # Is the simulated build broken or not?
+exec_broken = False # Simulate a change that would break specularly: assert, segfault, etc...
+noise_commit = 0 # Just a counter to increment when no changes in performance happened
+
+# The following line is a convenient way for automated tool to override the
+# previous values with their own
+#{OVERRIDE_VALUES_HERE}
+
+# The actual code starts here
+if len(argv) > 1 and argv[1] == "-b":
+	_exit(build_broken)
+
+# Check the brokenness of the exec
+if exec_broken:
+	sys.stderr.write("Simulated assert\n")
+	_exit(1)
+
+# Select the right sample distribution
+if sample_distribution_mode != 0:
+	sys.stderr.write("Unknown distribution mode {}. reverting to 0 (normal)".format(sample_distribution_mode))
+
+random.seed()
+print(random.normalvariate(perf, variance))
+
+_exit(0)