From 04fabe3a6984fe5cd7610893638b0a45f728066e Mon Sep 17 00:00:00 2001
From: Zooko O'Whielacronx <zooko@zooko.com>
Date: Fri, 10 Sep 2010 21:14:42 -0700
Subject: [PATCH] misc: add docstring to bench_spans.py telling how to run it
 ref #1182

---
 misc/simulators/bench_spans.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/misc/simulators/bench_spans.py b/misc/simulators/bench_spans.py
index 1855673f..e1e6e7eb 100644
--- a/misc/simulators/bench_spans.py
+++ b/misc/simulators/bench_spans.py
@@ -1,3 +1,13 @@
+"""
+To use this, get a trace file such as this one:
+
+wget http://tahoe-lafs.org/trac/tahoe-lafs/raw-attachment/ticket/1170/run-112-above28-flog-dump-sh8-on-nsziz.txt
+
+And run this command passing that trace file's name:
+
+python bench_spans.py run-112-above28-flog-dump-sh8-on-nsziz.txt
+"""
+
 from pyutil import benchutil
 
 from allmydata.util.spans import DataSpans
-- 
2.45.2