diff --git a/benchmarks/fio/Makefile b/benchmarks/fio/Makefile
index b33be3c7882a..93699cf71e4b 100644
--- a/benchmarks/fio/Makefile
+++ b/benchmarks/fio/Makefile
@@ -1,33 +1,33 @@
 # Created by: luigi@FreeBSD.org
 
 PORTNAME=	fio
-PORTVERSION=	3.27
+PORTVERSION=	3.28
 CATEGORIES=	benchmarks
 MASTER_SITES=	http://brick.kernel.dk/snaps/
 
 MAINTAINER=	krion@FreeBSD.org
 COMMENT=	Flexible IO tester
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 USES=		compiler:c11 gmake tar:bzip2
 
 HAS_CONFIGURE=	yes
 CONFIGURE_ARGS+=	--disable-native
 
 OPTIONS_DEFINE=	EXAMPLES GNUPLOT
 GNUPLOT_DESC=	Support for plotting graphs
 
 GNUPLOT_BUILD_DEPENDS=	${LOCALBASE}/bin/gnuplot:math/gnuplot
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/fio ${STAGEDIR}${PREFIX}/bin
 	${INSTALL_SCRIPT} ${WRKSRC}/tools/fio_generate_plots ${STAGEDIR}${PREFIX}/bin
 	${INSTALL_MAN} ${WRKSRC}/fio.1 ${STAGEDIR}${MAN1PREFIX}/man/man1/
 	${INSTALL_MAN} ${WRKSRC}/tools/fio_generate_plots.1 ${STAGEDIR}${MAN1PREFIX}/man/man1
 do-install-EXAMPLES-on:
 	@${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
 	@(cd ${WRKSRC}/examples && ${COPYTREE_SHARE} \* ${STAGEDIR}${EXAMPLESDIR})
 
 .include <bsd.port.mk>
diff --git a/benchmarks/fio/distinfo b/benchmarks/fio/distinfo
index d294c5b84de2..cde5e8af7e9e 100644
--- a/benchmarks/fio/distinfo
+++ b/benchmarks/fio/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1622444833
-SHA256 (fio-3.27.tar.bz2) = 8d387227fbfcf2734c1a342957c65feee52082704eae11725fcc1b74638f6a2a
-SIZE (fio-3.27.tar.bz2) = 960330
+TIMESTAMP = 1631196560
+SHA256 (fio-3.28.tar.bz2) = 158fd7ee70807cdfe434c7e21cac1f9294ccbc16bd40b81ce376549ba565492d
+SIZE (fio-3.28.tar.bz2) = 5976902
diff --git a/benchmarks/fio/pkg-plist b/benchmarks/fio/pkg-plist
index fab3f285d483..eee3e1d045ce 100644
--- a/benchmarks/fio/pkg-plist
+++ b/benchmarks/fio/pkg-plist
@@ -1,77 +1,157 @@
 bin/fio
 bin/fio_generate_plots
 man/man1/fio.1.gz
 man/man1/fio_generate_plots.1.gz
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/1mbs_clients.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/1mbs_clients.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/aio-read.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/aio-read.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/backwards-read.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/backwards-read.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/basic-verify.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/basic-verify.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/butterfly.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/butterfly.png
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/cmdprio-bssplit.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/cmdprio-bssplit.png
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/cmdprio-percentage.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/cmdprio-percentage.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/cpp_null.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/cpp_null.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/cpuio.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/cpuio.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/cross-stripe-verify.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/cross-stripe-verify.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/dev-dax.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/dev-dax.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/dfs.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/dfs.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/disk-zone-profile.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/disk-zone-profile.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/e4defrag.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/e4defrag.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/e4defrag2.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/e4defrag2.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/enospc-pressure.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/enospc-pressure.png
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/exec.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/exec.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/exitwhat.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/exitwhat.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/falloc.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/falloc.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/filecreate-ioengine.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/filecreate-ioengine.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/filedelete-ioengine.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/filedelete-ioengine.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/filestat-ioengine.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/filestat-ioengine.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/fio-rand-RW.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/fio-rand-RW.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/fio-rand-read.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/fio-rand-read.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/fio-rand-write.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/fio-rand-write.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/fio-seq-RW.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/fio-seq-RW.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/fio-seq-read.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/fio-seq-read.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/fio-seq-write.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/fio-seq-write.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/fixed-rate-submission.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/fixed-rate-submission.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/flow.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/flow.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/fsx.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/fsx.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/ftruncate.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/ftruncate.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/gfapi.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/gfapi.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/gpudirect-rdmaio-client.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/gpudirect-rdmaio-client.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/gpudirect-rdmaio-server.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/gpudirect-rdmaio-server.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/http-s3.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/http-s3.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/http-swift.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/http-swift.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/http-webdav.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/http-webdav.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/ime.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/ime.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/iometer-file-access-server.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/iometer-file-access-server.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/jesd219.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/jesd219.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/latency-profile.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/latency-profile.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/libcufile-cufile.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/libcufile-cufile.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/libcufile-posix.fio
-%%PORTEXAMPLES%%%%EXAMPLESDIR%%/libiscsi.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/libcufile-posix.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/libhdfs.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/libhdfs.png
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/libiscsi.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/libiscsi.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/libpmem.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/libpmem.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/librpma_apm-client.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/librpma_apm-client.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/librpma_apm-server.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/librpma_apm-server.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/librpma_gpspm-client.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/librpma_gpspm-client.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/librpma_gpspm-server.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/librpma_gpspm-server.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/libzbc-rand-write.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/libzbc-rand-write.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/libzbc-seq-read.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/libzbc-seq-read.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/mtd.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/mtd.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/nbd.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/nbd.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/netio.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/netio.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/netio_multicast.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/netio_multicast.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/nfs.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/nfs.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/null.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/null.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/numa.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/numa.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/pmemblk.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/pmemblk.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/poisson-rate-submission.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/poisson-rate-submission.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/rados.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/rados.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/rand-zones.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/rand-zones.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/rbd.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/rbd.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/rdmaio-client.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/rdmaio-client.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/rdmaio-server.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/rdmaio-server.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/ssd-steadystate.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/ssd-steadystate.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/ssd-test.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/ssd-test.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/steadystate.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/steadystate.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/surface-scan.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/surface-scan.png
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/test.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/tiobench-example.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/tiobench-example.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/waitfor.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/waitfor.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/zbd-rand-write.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/zbd-rand-write.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/zbd-seq-read.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/zbd-seq-read.png
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/zipf.fio
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/zipf.png