--- zzzz-none-000/linux-4.9.279/kernel/trace/trace.c	2021-08-08 06:38:54.000000000 +0000
+++ puma7-arm-6591-750/linux-4.9.279/kernel/trace/trace.c	2023-02-08 10:58:16.000000000 +0000
@@ -11,6 +11,12 @@
  *  Copyright (C) 2004-2006 Ingo Molnar
  *  Copyright (C) 2004 Nadia Yvette Chambers
  */
+
+/*
+Includes Intel Corporation's changes/modifications dated: 2017.
+Changed/modified portions - Copyright © 2017, Intel Corporation.
+*/
+
 #include <linux/ring_buffer.h>
 #include <generated/utsrelease.h>
 #include <linux/stacktrace.h>
@@ -1119,10 +1125,12 @@
 static struct {
 	u64 (*func)(void);
 	const char *name;
-	int in_ns;		/* is this clock in nanoseconds? */
+	int in_ns;
 } trace_clocks[] = {
 	{ trace_clock_local,		"local",	1 },
 	{ trace_clock_global,		"global",	1 },
+	{ trace_clock_p,			"precise",	1 },
+	{ trace_clock_vp,			"very_precise",	1 },
 	{ trace_clock_counter,		"counter",	0 },
 	{ trace_clock_jiffies,		"uptime",	0 },
 	{ trace_clock,			"perf",		1 },