diff --git a/reference/hrtime/hrtime-performancecounter/getfrequency.xml b/reference/hrtime/hrtime-performancecounter/getfrequency.xml
new file mode 100644
index 000000000..2dc9b1ed6
--- /dev/null
+++ b/reference/hrtime/hrtime-performancecounter/getfrequency.xml
@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- EN-Revision: 18f9cbcbc404fa3161104e4f3969531f686457af Maintainer: leonardolara Status: ready --><!-- CREDITS: leonardolara -->
+
+<refentry xml:id="hrtime-performancecounter.getfrequency" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
+ <refnamediv>
+  <refname>HRTime\PerformanceCounter::getFrequency</refname>
+  <refpurpose>Frequência do temporizador em tiques por segundo</refpurpose>
+ </refnamediv>
+
+ <refsect1 role="description">
+  &reftitle.description;
+  <methodsynopsis>
+   <modifier>public</modifier> <modifier>static</modifier> <type>int</type><methodname>HRTime\PerformanceCounter::getFrequency</methodname>
+   <void />
+  </methodsynopsis>
+  <para>
+   Retorna a frequência do temporizador em tiques por segundo. Este valor é constante após a
+   inicialização em quase todos os sistemas operacionais.
+  </para>
+
+ </refsect1>
+
+ <refsect1 role="parameters">
+  &reftitle.parameters;
+  &no.function.parameters;
+ </refsect1>
+
+ <refsect1 role="returnvalues">
+  &reftitle.returnvalues;
+  <para>
+  Retorna um &integer; indicando a frequência do temporizador.
+  </para>
+ </refsect1>
+
+
+</refentry>
+
+<!-- Keep this comment at the end of the file
+Local variables:
+mode: sgml
+sgml-omittag:t
+sgml-shorttag:t
+sgml-minimize-attributes:nil
+sgml-always-quote-attributes:t
+sgml-indent-step:1
+sgml-indent-data:t
+indent-tabs-mode:nil
+sgml-parent-document:nil
+sgml-default-dtd-file:"~/.phpdoc/manual.ced"
+sgml-exposed-tags:nil
+sgml-local-catalogs:nil
+sgml-local-ecat-files:nil
+End:
+vim600: syn=xml fen fdm=syntax fdl=2 si
+vim: et tw=78 syn=sgml
+vi: ts=1 sw=1
+-->
diff --git a/reference/hrtime/hrtime-performancecounter/getticks.xml b/reference/hrtime/hrtime-performancecounter/getticks.xml
new file mode 100644
index 000000000..942333fff
--- /dev/null
+++ b/reference/hrtime/hrtime-performancecounter/getticks.xml
@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- EN-Revision: 6ccdace91b727bd0f32214d1670a5e765fd28a09 Maintainer: leonardolara Status: ready --><!-- CREDITS: leonardolara -->
+
+<refentry xml:id="hrtime-performancecounter.getticks" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
+ <refnamediv>
+  <refname>HRTime\PerformanceCounter::getTicks</refname>
+  <refpurpose>Tiques atuais do sistema</refpurpose>
+ </refnamediv>
+
+ <refsect1 role="description">
+  &reftitle.description;
+  <methodsynopsis>
+   <modifier>public</modifier> <modifier>static</modifier> <type>int</type><methodname>HRTime\PerformanceCounter::getTicks</methodname>
+   <void />
+  </methodsynopsis>
+  <para>
+   Retorna a contagem de tiques.
+  </para>
+ </refsect1>
+
+ <refsect1 role="parameters">
+  &reftitle.parameters;
+  &no.function.parameters;
+ </refsect1>
+
+ <refsect1 role="returnvalues">
+  &reftitle.returnvalues;
+  <para>
+   Retorna um &integer; indicando a contagem de tiques.
+  </para>
+ </refsect1>
+
+</refentry>
+
+<!-- Keep this comment at the end of the file
+Local variables:
+mode: sgml
+sgml-omittag:t
+sgml-shorttag:t
+sgml-minimize-attributes:nil
+sgml-always-quote-attributes:t
+sgml-indent-step:1
+sgml-indent-data:t
+indent-tabs-mode:nil
+sgml-parent-document:nil
+sgml-default-dtd-file:"~/.phpdoc/manual.ced"
+sgml-exposed-tags:nil
+sgml-local-catalogs:nil
+sgml-local-ecat-files:nil
+End:
+vim600: syn=xml fen fdm=syntax fdl=2 si
+vim: et tw=78 syn=sgml
+vi: ts=1 sw=1
+-->
diff --git a/reference/hrtime/hrtime-performancecounter/gettickssince.xml b/reference/hrtime/hrtime-performancecounter/gettickssince.xml
new file mode 100644
index 000000000..dda44c67c
--- /dev/null
+++ b/reference/hrtime/hrtime-performancecounter/gettickssince.xml
@@ -0,0 +1,65 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- EN-Revision: 18f9cbcbc404fa3161104e4f3969531f686457af Maintainer: leonardolara Status: ready --><!-- CREDITS: leonardolara -->
+
+<refentry xml:id="hrtime-performancecounter.gettickssince" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
+ <refnamediv>
+  <refname>HRTime\PerformanceCounter::getTicksSince</refname>
+  <refpurpose>Tiques decorridos desde um valor informado</refpurpose>
+ </refnamediv>
+
+ <refsect1 role="description">
+  &reftitle.description;
+  <methodsynopsis>
+   <modifier>public</modifier> <modifier>static</modifier> <type>int</type><methodname>HRTime\PerformanceCounter::getTicksSince</methodname>
+   <methodparam><type>int</type><parameter>start</parameter></methodparam>
+  </methodsynopsis>
+  <para>
+   Retorna a contagem de tiques decorridos desde o valor de início informado.
+  </para>
+
+ </refsect1>
+
+ <refsect1 role="parameters">
+  &reftitle.parameters;
+  <variablelist>
+   <varlistentry>
+    <term><parameter>start</parameter></term>
+     <listitem>
+      <para>
+       Valor de início da contagem dos tiques.
+      </para>
+     </listitem>
+   </varlistentry>
+  </variablelist>
+ </refsect1>
+
+ <refsect1 role="returnvalues">
+  &reftitle.returnvalues;
+  <para>
+   Retorna um &integer; indicando a contagem de tiques.
+  </para>
+ </refsect1>
+
+
+</refentry>
+
+<!-- Keep this comment at the end of the file
+Local variables:
+mode: sgml
+sgml-omittag:t
+sgml-shorttag:t
+sgml-minimize-attributes:nil
+sgml-always-quote-attributes:t
+sgml-indent-step:1
+sgml-indent-data:t
+indent-tabs-mode:nil
+sgml-parent-document:nil
+sgml-default-dtd-file:"~/.phpdoc/manual.ced"
+sgml-exposed-tags:nil
+sgml-local-catalogs:nil
+sgml-local-ecat-files:nil
+End:
+vim600: syn=xml fen fdm=syntax fdl=2 si
+vim: et tw=78 syn=sgml
+vi: ts=1 sw=1
+-->