From 6e3057ddddb77835664f5264a7da62452dc3d9c1 Mon Sep 17 00:00:00 2001
From: Lukas Larsson <lukas@erlang-solutions.com>
Date: Thu, 11 Sep 2014 18:26:00 +0200
Subject: erts: Allow cpu_timestamp tracing for Linux

---
 erts/doc/src/erlang.xml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'erts/doc')

diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml
index f9e8717847..37431cbf1b 100644
--- a/erts/doc/src/erlang.xml
+++ b/erts/doc/src/erlang.xml
@@ -6829,7 +6829,9 @@ ok
               only allowed with <c>PidSpec==all</c>. If the host
               machine operating system does not support high resolution
               CPU time measurements, <c>trace/3</c> exits with
-              <c>badarg</c>.</p>
+              <c>badarg</c>. Note that most operating systems do
+              not synchronize this value across cores, so be prepared
+              that time might seem to go backwards when using this option.</p>
           </item>
           <tag><c>arity</c></tag>
           <item>
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