add new topics (#132)

* add goroutine text

* update

* fix funclatency

* update doc

* update about nginx

* update nginx

* u[date co

* fix compile

src/33-funclatency/funclatency.h

@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
+/* Copyright (c) 2020 Facebook */
+#ifndef __BOOTSTRAP_H
+#define __BOOTSTRAP_H
+
+/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
+#pragma once
+
+#define MAX_PIDS 102400
+#define MAX_SLOTS 25
+
+enum units {
+	NSEC,
+	USEC,
+	MSEC,
+};
+
+#endif /* __BOOTSTRAP_H */