--- a/tools/performance/diff-talos.py
+++ b/tools/performance/diff-talos.py
@@ -40,17 +40,26 @@ smaller_is_better = frozenset(('tdhtmlr_
                                'tresize', 'trobopan', 'tcheckerboard',
                                'tcheck3', 'tcheck2', 'tprovider',
                                'tp5n_modlistbytes_paint',
                                'trace_malloc_maxheap', 'tp4m_nochrome',
                                'trace_malloc_leaks', 'tp4m_main_rss_nochrome',
                                'tp4m_shutdown_nochrome', 'tdhtml_nochrome',
                                'ts_shutdown', 'tp5n_%cpu_paint',
                                'trace_malloc_allocs', 'ts', 'codesighs',
-                               'tsvg_nochrome', 'tp5n_content_rss_paint'))
+                               'tsvg_nochrome', 'tp5n_content_rss_paint',
+                               'tp5n_main_startup_fileio_paint',
+                               'tp5n_nonmain_normal_netio_paint',
+                               'tp5n_nonmain_startup_fileio_paint',
+                               'tp5n_main_normal_fileio_paint',
+                               'tp5n_nonmain_normal_fileio_paint',
+                               'tp5n_main_startup_netio_paint',
+                               'tp5n_main_normal_netio_paint',
+                               'tp5n_main_shutdown_netio_paint',
+                               'tp5n_main_shutdown_fileio_paint'))
 
 all_benchmarks = smaller_is_better | bigger_is_better
 assert len(smaller_is_better & bigger_is_better) == 0
 
 def get_raw_data_for_revisions(revisions):
     """Loads data for the revisions, returns an array with one element for each
     revision."""
     selectors = ["revision=%s" % revision for revision in revisions]