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-rw-r--r--python/mach/mach/test/zero_microseconds.py14
1 files changed, 14 insertions, 0 deletions
diff --git a/python/mach/mach/test/zero_microseconds.py b/python/mach/mach/test/zero_microseconds.py
new file mode 100644
index 0000000000..1854747bb6
--- /dev/null
+++ b/python/mach/mach/test/zero_microseconds.py
@@ -0,0 +1,14 @@
+# This code is loaded via `mach python --exec-file`, so it runs in the scope of
+# the `mach python` command.
+from __future__ import absolute_import
+
+old = self._mach_context.post_dispatch_handler # noqa: F821
+
+
+def handler(context, handler, instance, result, start_time, end_time, depth, args):
+ global old
+ # Round off sub-second precision.
+ old(context, handler, instance, result, int(start_time), end_time, depth, args)
+
+
+self._mach_context.post_dispatch_handler = handler # noqa: F821