perf: net_dropmonitor: Do not assume ordering of dictionaries

The sort order of dictionaries in Python is undocumented.  Use
tuples instead, which are documented to be lexically ordered.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 4 deletions

diff --git a/tools/perf/scripts/python/net_dropmonitor.py b/tools/perf/scripts/python/net_dropmonitor.py
index 4c1160560917..6acdc82ef47f 100755
--- a/tools/perf/scripts/python/net_dropmonitor.py
+++ b/tools/perf/scripts/python/net_dropmonitor.py
@@ -32,7 +32,7 @@ def get_kallsyms_table():
                 j = j +1
                 if ((j % 100) == 0):
                         print "\r" + str(j) + "/" + str(linecount),
-                kallsyms.append({ 'loc': loc, 'name' : name})
+                kallsyms.append((loc, name))
 
         print "\r" + str(j) + "/" + str(linecount)
         kallsyms.sort()
@@ -40,9 +40,9 @@ def get_kallsyms_table():
 
 def get_sym(sloc):
         loc = int(sloc)
-        for i in kallsyms[::-1]:
-                if loc >= i['loc']:
-                        return (i['name'], loc - i['loc'])
+        for symloc, name in kallsyms[::-1]:
+                if loc >= symloc:
+                        return (name, loc - symloc)
         return (None, 0)
 
 def print_drop_table():