From: Zac Medico <zmedico@gentoo.org>
Date: Tue, 2 Mar 2010 20:26:39 +0000 (-0000)
Subject: Add a comment about slowness in _serialize_tasks when there are lots of
X-Git-Tag: v2.1.8~129
X-Git-Url: http://git.tremily.us/gitweb.cgi?a=commitdiff_plain;h=c843cf9f7632187d743297ba3de8fdaf576dd768;p=portage.git

Add a comment about slowness in _serialize_tasks when there are lots of
blockers to solve. (trunk r15366)

svn path=/main/branches/2.1.7/; revision=15593
---

diff --git a/pym/_emerge/depgraph.py b/pym/_emerge/depgraph.py
index d297986ab..90b556f75 100644
--- a/pym/_emerge/depgraph.py
+++ b/pym/_emerge/depgraph.py
@@ -3546,6 +3546,10 @@ class depgraph(object):
 
 				min_parent_deps = None
 				uninst_task = None
+
+				# FIXME: This loop can be extremely slow when
+				#        there of lots of blockers to solve
+				#        (especially the gather_deps part).
 				for task in myblocker_uninstalls.leaf_nodes():
 					# Do some sanity checks so that system or world packages
 					# don't get uninstalled inappropriately here (only really