This is my patch:

[ 1005891 ] support --with-tsc on PPC

plus a trivial change to settscdump's docstring and a Misc/NEWS entry.
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index c62b22d..d246a59 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -465,7 +465,7 @@
 \n\
 If true, tell the Python interpreter to dump VM measurements to\n\
 stderr.  If false, turn off dump.  The measurements are based on the\n\
-Pentium time-stamp counter."
+processor's time-stamp counter."
 ); 
 #endif /* TSC */