From 0171dd64d553d2690f94f05e2c7b22d4f5771aba Mon Sep 17 00:00:00 2001
From: Gerard Wagener <gerard@ncr0.(none)>
Date: Thu, 21 Jan 2010 10:46:58 +0100
Subject: [PATCH] Discard empty subtrees induced by sshd

---
 aha/ahalib.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/aha/ahalib.py b/aha/ahalib.py
index 3933a064381..592f835e0e2 100644
--- a/aha/ahalib.py
+++ b/aha/ahalib.py
@@ -230,6 +230,12 @@ class ProcessTrees:
     # f is file object
     # pid is the root process
     def desc_root_process(self,f,pid):
+        vec = self.recover_process_vector(pid)
+        #Sometimes SSHD clones processes that are not related 
+        #to users, small trees about a length of 2
+        if (len(vec) == 0):
+            return
+
         f.write("** user root process %d **\n"%pid)
         sshinfo = self.search_ssh_info(pid)
         if sshinfo:
@@ -240,7 +246,6 @@ class ProcessTrees:
             obj=datetime.datetime.fromtimestamp(float(ts))
             f.write("Connection date: %s\n"%str(obj))
         #Add process vector
-        vec = self.recover_process_vector(pid)
         f.write("Process vector: %s\n"%','.join(vec))
         f.write('\n')
     def exportUserListTxt(self,filename):