1 files changed, 89 insertions, 0 deletions
diff --git a/include/comphelper/profilezone.hxx b/include/comphelper/profilezone.hxx
new file mode 100644
index 000000000..81294a4c4
--- /dev/null
+++ b/include/comphelper/profilezone.hxx
@@ -0,0 +1,89 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+*/
+
+#ifndef INCLUDED_COMPHELPER_PROFILEZONE_HXX
+#define INCLUDED_COMPHELPER_PROFILEZONE_HXX
+
+#include <sal/config.h>
+
+#include <atomic>
+
+#include <com/sun/star/uno/Sequence.h>
+#include <comphelper/comphelperdllapi.h>
+#include <rtl/ustring.hxx>
+
+// implementation of XToolkitExperimental profiling API
+
+namespace comphelper
+{
+
+namespace ProfileRecording
+{
+
+COMPHELPER_DLLPUBLIC void startRecording(bool bRecording);
+
+COMPHELPER_DLLPUBLIC long long addRecording(const char * aProfileId, long long aCreateTime);
+
+COMPHELPER_DLLPUBLIC css::uno::Sequence<OUString> getRecordingAndClear();
+
+} // namespace ProfileRecording
+
+class COMPHELPER_DLLPUBLIC ProfileZone
+{
+private:
+    const char * m_sProfileId;
+    long long m_aCreateTime;
+    bool m_bConsole;
+    void startConsole();
+    void stopConsole();
+public:
+    static std::atomic<bool> g_bRecording; // true during recording
+
+    /**
+     * Starts measuring the cost of a C++ scope.
+     *
+     * Note that the char pointer is stored as such in the ProfileZone object and used in the
+     * destructor, so be sure to pass a pointer that stays valid for the duration of the object's
+     * lifetime.
+     *
+     * The second parameter can be used for ad-hoc local measuring by adding a single line of code
+     * at a C++ scope start. Example:
+     *
+     * comphelper::ProfileZone aZone("RtfFilter::filter", true);
+     *
+     * Similar to the DEBUG macro in sal/log.hxx, don't forget to remove these lines before
+     * committing.
+     */
+    ProfileZone(const char *sProfileId, bool bConsole = false)
+        : m_sProfileId(sProfileId),
+          m_aCreateTime(g_bRecording ? ProfileRecording::addRecording(sProfileId, 0) : 0),
+          m_bConsole(bConsole)
+    {
+        if (m_bConsole)
+        {
+            startConsole();
+        }
+    }
+    ~ProfileZone()
+    {
+        if (g_bRecording)
+            ProfileRecording::addRecording(m_sProfileId, m_aCreateTime);
+        if (m_bConsole)
+        {
+            stopConsole();
+        }
+    }
+};
+
+} // namespace comphelper
+
+
+#endif // INCLUDED_COMPHELPER_PROFILEZONE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */