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</header>
<p>This document describes the changes made to the ERTS application.</p>
+<section><title>Erts 5.9.3.2</title>
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ A new option to erlang:system_monitor,
+ {long_schedule,Millis} allows you to monitor if your
+ system performs any lengthy NIF, BIF or driver operations
+ that might result in bad resource utilization and
+ therefore bad performance. To better test this
+ functionality, the test_server has been updated to
+ include configure tests for usleep.</p>
+ <p>
+ Own Id: OTP-11067</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Erts 5.9.3.1</title>
<section><title>Known Bugs and Problems</title>