From 4579dc274924ce7987c6990f69a2b735a37ed7b4 Mon Sep 17 00:00:00 2001
From: Bryan Newbold <bnewbold@archive.org>
Date: Wed, 29 May 2019 13:39:37 -0700
Subject: python memory debugging

---
 software/python.page | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'software')

diff --git a/software/python.page b/software/python.page
index 0fd2531..0fc3c8d 100644
--- a/software/python.page
+++ b/software/python.page
@@ -205,3 +205,24 @@ and create a `pytest.ini` like:
     norecursedirs = .svn _build tmp*
 
 Need to mock? <https://blog.fugue.co/2016-02-11-python-mocking-101.html>
+
+Debugging Memory Usage
+------------------------
+
+Most helpful tools I found were `psutil` and `pympler` (both need to be
+installed).
+
+    import os, psutil
+    process = psutil.Process(os.getpid())
+    print(process.memory_info().rss)
+    # ... do some stuff ...
+    print(process.memory_info().rss)
+
+and
+
+    from pympler import tracker
+    tr = tracker.SummaryTracker()
+    tr.print_diff()
+
+    # ... do some stuff ...
+    tr.print_diff()
-- 
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