From b964cc6f182391439eedaff22dad73521a8fc3bd Mon Sep 17 00:00:00 2001
From: David Wilson <dw@botanicus.net>
Date: Fri, 26 Aug 2016 19:42:40 +0100
Subject: [PATCH] Import preamble_size.py.

---
 preamble_size.py | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 preamble_size.py

diff --git a/preamble_size.py b/preamble_size.py
new file mode 100644
index 00000000..289d0ea8
--- /dev/null
+++ b/preamble_size.py
@@ -0,0 +1,21 @@
+"""
+Print the size of a typical SSH command line and the bootstrap code sent to new
+contexts.
+"""
+
+import inspect
+import zlib
+
+import econtext.master
+import econtext.ssh
+
+context = econtext.master.Context(None, name='default', hostname='default')
+stream = econtext.ssh.Stream(context)
+print 'SSH command size: %s' % (len(' '.join(stream.get_boot_command())),)
+print 'Preamble size: %s (%.2fKiB)' % (
+    len(stream.get_preamble()),
+    len(stream.get_preamble()) / 1024.0,
+)
+
+master = len(zlib.compress(econtext.master.minimize_source(inspect.getsource(econtext.master))))
+print 'econtext.master size: %s (%.2fKiB)' % (master, master / 1024.0)