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-rw-r--r--lib/runtime_tools/doc/src/notes.xml46
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diff --git a/lib/runtime_tools/doc/src/notes.xml b/lib/runtime_tools/doc/src/notes.xml
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+++ b/lib/runtime_tools/doc/src/notes.xml
@@ -31,6 +31,52 @@
<p>This document describes the changes made to the Runtime_Tools
application.</p>
+<section><title>Runtime_Tools 1.8.9</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Change the module-level docs to give complete
+ step-by-step instructions for using the `dyntrace:p()`
+ trace function. (Thanks to Scott Lystig Fritchie)</p>
+ <p>
+ Own Id: OTP-10141</p>
+ </item>
+ <item>
+ <p>
+ Add 1024 separate USDT probes to dyntrace.erl and
+ dyntrace.c (Thanks to Scott Lystig Fritchie)</p>
+ <p>
+ Own Id: OTP-10143</p>
+ </item>
+ <item>
+ <p>
+ Relocate bodies of DTrace probes to the statically-linked
+ VM.</p>
+ <p>
+ Due to various operating systems (in both the DTrace and
+ SystemTap worlds) not fully supporting DTrace probes (or
+ SystemTap-compatibility mode probes) in shared libraries,
+ we relocate those probes to the statically-linked virtual
+ machine. This could be seen as pollution of the pristine
+ VM by a (yet) experimental feature. However:</p>
+ <p>
+ 1. This code can be eliminated completely by the C
+ preprocessor. 2. Leaving the probes in the dyntrace NIF
+ shared library simply does not work correctly on too many
+ platforms. *Many* thanks to Macneil Shonle at Basho for
+ assisting when my RSI-injured fingers gave out. (note:
+ Solaris 10 and FreeBSD 9.0-RELEASE can take a long time
+ to compile)</p>
+ <p>
+ Own Id: OTP-10189</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Runtime_Tools 1.8.8</title>
<section><title>Improvements and New Features</title>