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authorLukas Larsson <[email protected]>2014-12-12 15:34:52 +0100
committerLukas Larsson <[email protected]>2014-12-12 15:34:52 +0100
commitd5b67726739befc7d0ab9a9282494ae1c28903d7 (patch)
treefb2fa29fd1611ef395626342b85b81e6181df547 /erts/doc/src
parent1b6f362e555e508d3d40d907b10061e457deafb5 (diff)
parent6e3057ddddb77835664f5264a7da62452dc3d9c1 (diff)
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Merge branch 'lukas/erts/cpu_timestamp_linux/OTP-12366'
* lukas/erts/cpu_timestamp_linux/OTP-12366: erts: Allow cpu_timestamp tracing for Linux
Diffstat (limited to 'erts/doc/src')
-rw-r--r--erts/doc/src/erlang.xml4
1 files changed, 3 insertions, 1 deletions
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>