--- zzzz-none-000/linux-2.6.39.4/kernel/trace/trace.c	2011-08-03 19:43:28.000000000 +0000
+++ puma6-atom-6490-729/linux-2.6.39.4/kernel/trace/trace.c	2021-11-10 13:38:18.000000000 +0000
@@ -433,6 +433,10 @@
 } trace_clocks[] = {
 	{ trace_clock_local,	"local" },
 	{ trace_clock_global,	"global" },
+#ifndef CONFIG_HIGH_RES_TIMERS
+	{ trace_clock_p,		"precise" },
+	{ trace_clock_vp,		"very_precise" },
+#endif
 };
 
 int trace_clock_id;