Index: sysutils/Makefile
===================================================================
--- sysutils/Makefile
+++ sysutils/Makefile
@@ -296,6 +296,7 @@
     SUBDIR += dvtm
     SUBDIR += dwatch
     SUBDIR += dwatch-gource
+    SUBDIR += dwatch-json
     SUBDIR += dwatch-pwsnoop
     SUBDIR += e2fsprogs
     SUBDIR += ec2-scripts
Index: sysutils/dwatch-json/Makefile
===================================================================
--- /dev/null
+++ sysutils/dwatch-json/Makefile
@@ -0,0 +1,42 @@
+# $FreeBSD$
+
+PORTNAME=	dwatch-json
+DISTVERSION=	0.3.1
+CATEGORIES=	sysutils
+
+MAINTAINER=	dteske@FreeBSD.org
+COMMENT=	FreeBSD dwatch profiles to produce JSON logs
+
+LICENSE=	BSD2CLAUSE
+LICENSE_FILE=	${WRKSRC}/LICENSE
+
+USE_GITHUB=	yes
+GH_ACCOUNT=	FrauBSD
+
+NO_ARCH=	yes
+NO_BUILD=	yes
+
+PORTDOCS=	README.md
+
+PLIST_FILES=	libexec/dwatch/json-net \
+		libexec/dwatch/json-net-raw \
+		libexec/dwatch/json-net-top \
+		libexec/dwatch/json-net-top-raw
+
+OPTIONS_DEFINE=	DOCS
+
+.include <bsd.port.options.mk>
+
+.if ${OSVERSION} < 1101516 || (${OSVERSION} >= 1200000 && ${OSVERSION} < 1200065)
+IGNORE=		requires dwatch available in recent FreeBSD 11 or 12
+.endif
+
+do-install:
+	@${MKDIR} ${STAGEDIR}${PREFIX}/libexec/dwatch
+	${INSTALL_DATA} ${WRKSRC}/json-* ${STAGEDIR}${PREFIX}/libexec/dwatch
+
+do-install-DOCS-on:
+	@${MKDIR} ${STAGEDIR}${DOCSDIR}
+	${INSTALL_DATA} ${PORTDOCS:S,^,${WRKSRC}/,} ${STAGEDIR}${DOCSDIR}
+
+.include <bsd.port.mk>
Index: sysutils/dwatch-json/distinfo
===================================================================
--- /dev/null
+++ sysutils/dwatch-json/distinfo
@@ -0,0 +1,3 @@
+TIMESTAMP = 1538359923
+SHA256 (FrauBSD-dwatch-json-0.3.1_GH0.tar.gz) = a29b5c3de172ced24d613a7d94bcd79c1daa811e4a83faf1b11f8f86adb56169
+SIZE (FrauBSD-dwatch-json-0.3.1_GH0.tar.gz) = 7341
Index: sysutils/dwatch-json/pkg-descr
===================================================================
--- /dev/null
+++ sysutils/dwatch-json/pkg-descr
@@ -0,0 +1,6 @@
+DTrace module for FreeBSD dwatch(1) to produce JSON logs. JSON (JavaScript
+Object Notation) is easily consumed by log aggregators such as Kafka and
+Telegraf and visualizers like Vizceral. With these modules you can get
+data out of the kernel/userland for use in such aggregators/visualizers.
+
+WWW: https://fraubsd.org/dwatch-pwsnoop/