Index: uspace/app/perf/Makefile
===================================================================
--- uspace/app/perf/Makefile	(revision f85546d347319a2d243f7d2dfa121cd0c6ce35b1)
+++ uspace/app/perf/Makefile	(revision 13b1b488a81ea15478103c1fa9e17c87af09dd88)
@@ -38,4 +38,6 @@
 	params.c \
 	perf.c \
+	fs/dirread.c \
+	fs/fileread.c \
 	ipc/ns_ping.c \
 	ipc/ping_pong.c \
Index: uspace/app/perf/benchlist.c
===================================================================
--- uspace/app/perf/benchlist.c	(revision f85546d347319a2d243f7d2dfa121cd0c6ce35b1)
+++ uspace/app/perf/benchlist.c	(revision 13b1b488a81ea15478103c1fa9e17c87af09dd88)
@@ -39,4 +39,6 @@
 
 benchmark_t *benchmarks[] = {
+	&bench_dir_read,
+	&bench_file_read,
 	&bench_malloc1,
 	&bench_malloc2,
Index: uspace/app/perf/benchlist.h
===================================================================
--- uspace/app/perf/benchlist.h	(revision f85546d347319a2d243f7d2dfa121cd0c6ce35b1)
+++ uspace/app/perf/benchlist.h	(revision 13b1b488a81ea15478103c1fa9e17c87af09dd88)
@@ -39,4 +39,6 @@
 #include "perf.h"
 
+extern benchmark_t bench_dir_read;
+extern benchmark_t bench_file_read;
 extern benchmark_t bench_malloc1;
 extern benchmark_t bench_malloc2;
Index: uspace/app/perf/fs/dirread.c
===================================================================
--- uspace/app/perf/fs/dirread.c	(revision 13b1b488a81ea15478103c1fa9e17c87af09dd88)
+++ uspace/app/perf/fs/dirread.c	(revision 13b1b488a81ea15478103c1fa9e17c87af09dd88)
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2011 Martin Sucha
+ * Copyright (c) 2019 Vojtech Horky
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** @addtogroup perf
+ * @{
+ */
+
+#include <dirent.h>
+#include <str_error.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "../benchlist.h"
+#include "../perf.h"
+#include "../params.h"
+
+/*
+ * Note that while this benchmark tries to measure speed of direct
+ * read, it rather measures speed of FS cache as it is highly probable
+ * that the corresponding blocks would be cached after first run.
+ */
+static bool runner(stopwatch_t *stopwatch, uint64_t size,
+    char *error, size_t error_size)
+{
+	const char *path = bench_param_get("dirname", "/");
+
+	stopwatch_start(stopwatch);
+	for (uint64_t i = 0; i < size; i++) {
+		DIR *dir = opendir(path);
+		if (dir == NULL) {
+			snprintf(error, error_size, "failed to open %s for reading: %s",
+			    path, str_error(errno));
+			return false;
+		}
+
+		struct dirent *dp;
+		while ((dp = readdir(dir))) {
+			/* Do nothing */
+		}
+
+		closedir(dir);
+	}
+	stopwatch_stop(stopwatch);
+
+	return true;
+}
+
+benchmark_t bench_dir_read = {
+	.name = "dir_read",
+	.desc = "Read contents of a directory (use 'dirname' param to alter the default).",
+	.entry = &runner,
+	.setup = NULL,
+	.teardown = NULL
+};
+
+/**
+ * @}
+ */
Index: uspace/app/perf/fs/fileread.c
===================================================================
--- uspace/app/perf/fs/fileread.c	(revision 13b1b488a81ea15478103c1fa9e17c87af09dd88)
+++ uspace/app/perf/fs/fileread.c	(revision 13b1b488a81ea15478103c1fa9e17c87af09dd88)
@@ -0,0 +1,109 @@
+/*
+ * Copyright (c) 2011 Martin Sucha
+ * Copyright (c) 2019 Vojtech Horky
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** @addtogroup perf
+ * @{
+ */
+
+#include <str_error.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "../benchlist.h"
+#include "../perf.h"
+#include "../params.h"
+
+#define BUFFER_SIZE 4096
+
+/*
+ * Note that while this benchmark tries to measure speed of file reading,
+ * it rather measures speed of FS cache as it is highly probable that the
+ * corresponding blocks would be cached after first run.
+ */
+static bool runner(stopwatch_t *stopwatch, uint64_t size,
+    char *error, size_t error_size)
+{
+	const char *path = bench_param_get("filename", "/data/web/helenos.png");
+
+	char *buf = malloc(BUFFER_SIZE);
+	if (buf == NULL) {
+		snprintf(error, error_size, "failed to allocate %dB buffer", BUFFER_SIZE);
+		return false;
+	}
+
+	bool ret = true;
+
+	FILE *file = fopen(path, "r");
+	if (file == NULL) {
+		snprintf(error, error_size, "failed to open %s for reading: %s",
+		    path, str_error(errno));
+		ret = false;
+		goto leave_free_buf;
+	}
+
+	stopwatch_start(stopwatch);
+	for (uint64_t i = 0; i < size; i++) {
+		int rc = fseek(file, 0, SEEK_SET);
+		if (rc != 0) {
+			snprintf(error, error_size, "failed to rewind %s: %s",
+			    path, str_error(errno));
+			ret = false;
+			goto leave_close;
+		}
+		while (!feof(file)) {
+			fread(buf, 1, BUFFER_SIZE, file);
+			if (ferror(file)) {
+				snprintf(error, error_size, "failed to read from %s: %s",
+				    path, str_error(errno));
+				ret = false;
+				goto leave_close;
+			}
+		}
+	}
+	stopwatch_stop(stopwatch);
+
+leave_close:
+	fclose(file);
+
+leave_free_buf:
+	free(buf);
+
+	return ret;
+}
+
+benchmark_t bench_file_read = {
+	.name = "file_read",
+	.desc = "Sequentially read contents of a file (use 'filename' param to alter the default).",
+	.entry = &runner,
+	.setup = NULL,
+	.teardown = NULL
+};
+
+/**
+ * @}
+ */