Adding upstream version 1.13.0.upstream/1.13.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

14 files changed, 841 insertions, 2602 deletions

diff --git a/tests/Makefile.in b/tests/Makefile.in
new file mode 100644
index 000000000..7df895c53
--- /dev/null
+++ b/tests/Makefile.in
@@ -0,0 +1,577 @@
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+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-dist_pluginsSCRIPTS
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am check check-am clean clean-generic cscopelist-am \
+	ctags-am distclean distclean-generic distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dist_pluginsSCRIPTS install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-generic pdf pdf-am ps ps-am tags-am uninstall \
+	uninstall-am uninstall-dist_pluginsSCRIPTS
+
+.in:
+	if sed \
+		-e 's#[@]localstatedir_POST@#$(localstatedir)#g' \
+		-e 's#[@]sbindir_POST@#$(sbindir)#g' \
+		-e 's#[@]configdir_POST@#$(configdir)#g' \
+		-e 's#[@]libconfigdir_POST@#$(libconfigdir)#g' \
+		-e 's#[@]cachedir_POST@#$(cachedir)#g' \
+		-e 's#[@]registrydir_POST@#$(registrydir)#g' \
+		-e 's#[@]varlibdir_POST@#$(varlibdir)#g' \
+		$< > $@.tmp; then \
+		mv "$@.tmp" "$@"; \
+	else \
+		rm -f "$@.tmp"; \
+		false; \
+	fi
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/tests/health_mgmtapi/README.md b/tests/health_mgmtapi/README.md
deleted file mode 100644
index 278c72dc1..000000000
--- a/tests/health_mgmtapi/README.md
+++ /dev/null
@@ -1,13 +0,0 @@
-# Health command API tester
-
-The directory `tests/health_cmdapi` contains the test script `health-cmdapi-test.sh` for the [health command API](../../web/api/health).
-
-The script can be executed with options to prepare the system for the tests, run them and restore the system to its previous state. 
-
-It depends on the management API being accessible and on the responses to the api/v1/alarms?all requests being functional.
-
-Run it with `tests/health_mgmtapi/health-cmdapi-test.sh -h` to see the options. 
-
-[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Ftests%2Fhealth_mgmtapi%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)]()
-
-
diff --git a/tests/health_mgmtapi/health-cmdapi-test.sh b/tests/health_mgmtapi/health-cmdapi-test.sh
new file mode 100644
index 000000000..c0edfe500
--- /dev/null
+++ b/tests/health_mgmtapi/health-cmdapi-test.sh
@@ -0,0 +1,264 @@
+#!/usr/bin/env bash
+# shellcheck disable=SC1117,SC2034,SC2059,SC2086,SC2181
+
+NETDATA_USER_CONFIG_DIR="/etc/netdata"
+NETDATA_STOCK_CONFIG_DIR="/usr/lib/netdata/conf.d"
+NETDATA_VARLIB_DIR="/var/lib/netdata"
+
+printhelp () {
+	echo "Usage: health-cmdapi-test.sh [OPTIONS]
+	-s SETUP config files for python example tests
+	-c CLEANUP config files from python example tests
+	-r RESTART netdata after SETUP and CLEANUP, using systemctl restart netdata.
+	-t TEST scenarios execution
+	-u <URL> changes the host:port from localhost:19999 to <URL>
+	"
+}
+
+check () {
+	echo -e "${GRAY}Check: '${1}' in 2 sec"
+	sleep 2
+	resp=$(curl -s "http://$URL/api/v1/alarms?all")
+	r=$(echo "${resp}" | \
+	python3 -c "import sys, json; d=json.load(sys.stdin); \
+	print(\
+	d['alarms']['example.random.example_alarm1']['disabled'], \
+	d['alarms']['example.random.example_alarm1']['silenced'] , \
+	d['alarms']['example.random.example_alarm2']['disabled'], \
+	d['alarms']['example.random.example_alarm2']['silenced'], \
+	d['alarms']['system.load.load_trigger']['disabled'], \
+	d['alarms']['system.load.load_trigger']['silenced'], \
+	);" 2>&1)
+	if [ $? -ne 0 ] ; then
+		echo -e "${RED}ERROR: Unexpected response '$resp'"
+		err=$((err+1))
+	elif [ "${r}" != "${2}" ] ; then
+		echo -e "${RED}ERROR: 'Got ${r}'. Expected '${2}'"
+		err=$((err+1))
+	else
+		echo -e "${GREEN}Success"
+	fi
+}
+
+cmd () {
+	echo -e "${WHITE}Cmd '${1}', expecting '${2}'"
+	RESPONSE=$(curl -s "http://$URL/api/v1/manage/health?${1}" -H "X-Auth-Token: $TOKEN" 2>&1)
+	if [ "${RESPONSE}" != "${2}" ] ; then
+		echo -e "${RED}ERROR: Response '${RESPONSE}' != '${2}'"
+		err=$((err+1))
+	else
+		echo -e "${GREEN}Success"
+	fi
+}
+
+WHITE='\033[0;37m'
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+GRAY='\033[0;37m'
+
+SETUP=0
+RESTART=0
+CLEANUP=0
+TEST=0
+URL="localhost:19999"
+
+while getopts :srctu: option
+do
+    case "$option" in
+    s)
+        SETUP=1
+        ;;
+	r)
+		RESTART=1
+		;;
+	c)
+		CLEANUP=1
+		;;
+	t)
+		TEST=1
+		;;
+	u)
+		URL=$OPTARG
+		;;
+	*)
+		printhelp
+		exit 1
+		;;
+	esac
+done
+
+if [ $SETUP -eq 1 ] ; then
+	echo "Preparing netdata configuration for testing"
+	# Prep netdata for tests
+	if [ -f "${NETDATA_USER_CONFIG_DIR}/python.d.conf" ] ; then
+		cp -f "${NETDATA_USER_CONFIG_DIR}/python.d.conf"  /tmp/python.d.conf
+	else
+		cp "${NETDATA_STOCK_CONFIG_DIR}/python.d.conf" "${NETDATA_USER_CONFIG_DIR}/"
+	fi
+	sed -i -e "s/example: no/example: yes/g" "${NETDATA_USER_CONFIG_DIR}/python.d.conf"
+
+	mypath=$(cd ${0%/*} && echo $PWD)
+
+	cp -f "${mypath}/python-example.conf" "${NETDATA_USER_CONFIG_DIR}/health.d/"
+
+	# netdata.conf
+	if [ -f "${NETDATA_USER_CONFIG_DIR}/netdata.conf" ] ; then
+		cp -f "${NETDATA_USER_CONFIG_DIR}/netdata.conf"  /tmp/netdata.conf
+	fi
+	printf "[health]\nrun at least every seconds = 1\n" > "${NETDATA_USER_CONFIG_DIR}/netdata.conf"
+
+	chmod +r "${NETDATA_USER_CONFIG_DIR}/python.d.conf" "${NETDATA_USER_CONFIG_DIR}/netdata.conf" "${NETDATA_USER_CONFIG_DIR}/health.d/python-example.conf" "${NETDATA_STOCK_CONFIG_DIR}/health.d/load.conf"
+	# Restart netdata
+	if [ $RESTART -eq 1 ] ; then
+		echo "Restarting netdata"
+		systemctl restart netdata
+	fi
+fi
+
+err=0
+
+# Execute tests
+if [ $TEST -eq 1 ] ; then
+
+	HEALTH_CMDAPI_MSG_AUTHERROR="Auth Error"
+	HEALTH_CMDAPI_MSG_SILENCEALL="All alarm notifications are silenced"
+	HEALTH_CMDAPI_MSG_DISABLEALL="All health checks are disabled"
+	HEALTH_CMDAPI_MSG_RESET="All health checks and notifications are enabled"
+	HEALTH_CMDAPI_MSG_DISABLE="Health checks disabled for alarms matching the selectors"
+	HEALTH_CMDAPI_MSG_SILENCE="Alarm notifications silenced for alarms matching the selectors"
+	HEALTH_CMDAPI_MSG_ADDED="Alarm selector added"
+	HEALTH_CMDAPI_MSG_INVALID_KEY="Invalid key. Ignoring it."
+	HEALTH_CMDAPI_MSG_STYPEWARNING="WARNING: Added alarm selector to silence/disable alarms without a SILENCE or DISABLE command."
+	HEALTH_CMDAPI_MSG_NOSELECTORWARNING="WARNING: SILENCE or DISABLE command is ineffective without defining any alarm selectors."
+
+	if [ -f "${NETDATA_VARLIB_DIR}/netdata.api.key" ] ;then
+		read -r CORRECT_TOKEN < "${NETDATA_VARLIB_DIR}/netdata.api.key"
+	else
+		echo "${NETDATA_VARLIB_DIR}/netdata.api.key not found"
+		exit 1
+	fi
+	# Set correct token
+	TOKEN="${CORRECT_TOKEN}"
+
+	# Test default state
+	cmd "cmd=RESET" "$HEALTH_CMDAPI_MSG_RESET"
+	check "Default State" "False False False False False False"
+
+	# Test auth failure
+	TOKEN="Wrong token"
+	cmd "cmd=DISABLE ALL" "$HEALTH_CMDAPI_MSG_AUTHERROR"
+	check "Default State" "False False False False False False"
+
+	# Set correct token
+	TOKEN="${CORRECT_TOKEN}"
+
+	# Test disable
+	cmd "cmd=DISABLE ALL" "$HEALTH_CMDAPI_MSG_DISABLEALL"
+	check "All disabled" "True False True False True False"
+
+	# Reset
+	cmd "cmd=RESET" "$HEALTH_CMDAPI_MSG_RESET"
+	check "Default State" "False False False False False False"
+
+	# Test silence
+	cmd "cmd=SILENCE ALL" "$HEALTH_CMDAPI_MSG_SILENCEALL"
+	check "All silenced" "False True False True False True"
+
+	# Reset
+	cmd "cmd=RESET" "$HEALTH_CMDAPI_MSG_RESET"
+	check "Default State" "False False False False False False"
+
+	# Add silencer by name
+	printf -v resp "$HEALTH_CMDAPI_MSG_SILENCE\n$HEALTH_CMDAPI_MSG_ADDED"
+	cmd "cmd=SILENCE&alarm=*example_alarm1 *load_trigger" "${resp}"
+	check "Silence notifications for alarm1 and load_trigger" "False True False False False True"
+
+	# Convert to disable health checks
+	cmd "cmd=DISABLE" "$HEALTH_CMDAPI_MSG_DISABLE"
+	check "Disable notifications for alarm1 and load_trigger" "True False False False True False"
+
+	# Convert back to silence notifications
+	cmd "cmd=SILENCE" "$HEALTH_CMDAPI_MSG_SILENCE"
+	check "Silence notifications for alarm1 and load_trigger" "False True False False False True"
+
+	# Add second silencer by name
+	cmd "alarm=*example_alarm2" "$HEALTH_CMDAPI_MSG_ADDED"
+	check "Silence notifications for alarm1,alarm2 and load_trigger" "False True False True False True"
+
+	# Reset
+	cmd "cmd=RESET" "$HEALTH_CMDAPI_MSG_RESET"
+
+	# Add silencer by chart
+	printf -v resp "$HEALTH_CMDAPI_MSG_DISABLE\n$HEALTH_CMDAPI_MSG_ADDED"
+	cmd "cmd=DISABLE&chart=system.load" "${resp}"
+	check "Default State" "False False False False True False"
+
+	# Add silencer by context
+	cmd "context=random" "$HEALTH_CMDAPI_MSG_ADDED"
+	check "Default State" "True False True False True False"
+
+	# Reset
+	cmd "cmd=RESET" "$HEALTH_CMDAPI_MSG_RESET"
+
+	# Add second condition to a selector (AND)
+	printf -v resp "$HEALTH_CMDAPI_MSG_SILENCE\n$HEALTH_CMDAPI_MSG_ADDED"
+	cmd "cmd=SILENCE&alarm=*example_alarm1 *load_trigger&chart=system.load" "${resp}"
+	check "Silence notifications load_trigger" "False False False False False True"
+
+	# Add second selector with two conditions
+	cmd "alarm=*example_alarm1 *load_trigger&context=random" "$HEALTH_CMDAPI_MSG_ADDED"
+	check "Silence notifications load_trigger" "False True False False False True"
+
+	# Reset
+	cmd "cmd=RESET" "$HEALTH_CMDAPI_MSG_RESET"
+
+	# Add silencer without a command to disable or silence alarms
+	printf -v resp "$HEALTH_CMDAPI_MSG_ADDED\n$HEALTH_CMDAPI_MSG_STYPEWARNING"
+	cmd "families=load" "${resp}"
+	check "Family selector with no command" "False False False False False False"
+
+	# Add silence command
+	cmd "cmd=SILENCE" "$HEALTH_CMDAPI_MSG_SILENCE"
+	check "Silence family load" "False False False False False True"
+
+	# Reset
+	cmd "cmd=RESET" "$HEALTH_CMDAPI_MSG_RESET"
+
+	# Add command without silencers
+	printf -v resp "$HEALTH_CMDAPI_MSG_SILENCE\n$HEALTH_CMDAPI_MSG_NOSELECTORWARNING"
+	cmd "cmd=SILENCE" "${resp}"
+	check "Command with no selector" "False False False False False False"
+
+	# Add hosts silencer
+	cmd "hosts=*" "$HEALTH_CMDAPI_MSG_ADDED"
+	check "Silence all hosts" "False True False True False True"
+
+	# Reset
+	cmd "cmd=RESET" "$HEALTH_CMDAPI_MSG_RESET"
+
+fi
+
+# Cleanup
+if [ $CLEANUP -eq 1 ] ; then
+	echo -e "${WHITE}Restoring netdata configuration"
+	for f in "python.d.conf" "netdata.conf" ; do
+		if [ -f "/tmp/$f" ] ; then
+			mv -f "/tmp/$f" "${NETDATA_USER_CONFIG_DIR}/"
+		else
+			rm -f "${NETDATA_USER_CONFIG_DIR}/$f"
+		fi
+	done
+
+	rm -f "${NETDATA_USER_CONFIG_DIR}/health.d/python-example.conf"
+
+	# Restart netdata
+	if [ $RESTART -eq 1 ] ; then
+		echo "Restarting netdata"
+		systemctl restart netdata
+	fi
+fi
+
+if [ $err -gt 0 ] ; then
+	echo "$err error(s) found"
+	exit 1
+fi
diff --git a/tests/health_mgmtapi/python-example.conf b/tests/health_mgmtapi/python-example.conf
deleted file mode 100644
index 66713208c..000000000
--- a/tests/health_mgmtapi/python-example.conf
+++ /dev/null
@@ -1,16 +0,0 @@
-alarm: example_alarm1
-      on: example.random
-   every: 2s
-    warn: $random1 > (($status >= $WARNING)  ? (55) : (75))
-    crit: $random1 > (($status == $CRITICAL) ? (75) : (95))
-    info: random
-      to: sysadmin
-
-alarm: example_alarm2
-      on: example.random
-   every: 2s
-    warn: $random2 > (($status >= $WARNING)  ? (55) : (75))
-    crit: $random2 > (($status == $CRITICAL) ? (75) : (95))
-    info: random
-      to: sysadmin
-
diff --git a/tests/installer/checksums.sh b/tests/installer/checksums.sh
deleted file mode 100755
index 2c0279015..000000000
--- a/tests/installer/checksums.sh
+++ /dev/null
@@ -1,19 +0,0 @@
-#!/bin/bash
-
-set -e
-
-if [ ! -f .gitignore ]; then
-	echo "Run as ./tests/installer/$(basename "$0") from top level directory of git repository"
-	exit 1
-fi
-
-for file in kickstart.sh kickstart-static64.sh; do
-	OLD_CHECKSUM=$(grep "$file" packaging/installer/README.md | grep md5sum | cut -d '"' -f2)
-	NEW_CHECKSUM="$(md5sum "packaging/installer/$file" | cut -d' ' -f1)"
-	if [ "$OLD_CHECKSUM" != "$NEW_CHECKSUM" ]; then
-		echo "Invalid checksum for $file in docs."
-		echo "checksum in docs: $OLD_CHECKSUM"
-		echo "current checksum: $NEW_CHECKSUM"
-		exit 1
-	fi
-done
diff --git a/tests/lifecycle.bats b/tests/lifecycle.bats
deleted file mode 100755
index d008fea46..000000000
--- a/tests/lifecycle.bats
+++ /dev/null
@@ -1,35 +0,0 @@
-#!/usr/bin/env bats
-
-INSTALLATION="$BATS_TMPDIR/installation"
-ENV="${INSTALLATION}/netdata/etc/netdata/.environment"
-# list of files which need to be checked. Path cannot start from '/'
-FILES="usr/libexec/netdata/plugins.d/go.d.plugin
-       usr/libexec/netdata/plugins.d/charts.d.plugin
-       usr/libexec/netdata/plugins.d/python.d.plugin
-       usr/libexec/netdata/plugins.d/node.d.plugin"
-
-setup() {
-	if [ ! -f .gitignore ];	then
-		echo "Run as ./tests/lifecycle/$(basename "$0") from top level directory of git repository"
-		exit 1
-	fi
-}
-
-@test "install netdata" {
-	./netdata-installer.sh  --dont-wait --dont-start-it --auto-update --install "${INSTALLATION}"
-	for file in $FILES; do
-		[ ! -f "$BATS_TMPDIR/$file" ]
-	done
-}
-
-@test "update netdata" {
-	export ENVIRONMENT_FILE="${ENV}"
-	/etc/cron.daily/netdata-updater
-	! grep "new_installation" "${ENV}"
-}
-
-@test "uninstall netdata" {
-	./packaging/installer/netdata-uninstaller.sh --yes --force --env "${ENV}"
-	[ ! -f "${INSTALLATION}/netdata/usr/sbin/netdata" ]
-	[ ! -f "/etc/cron.daily/netdata-updater" ]
-}
diff --git a/tests/profile/Makefile b/tests/profile/Makefile
deleted file mode 100644
index 5f4e8b521..000000000
--- a/tests/profile/Makefile
+++ /dev/null
@@ -1,53 +0,0 @@
-# SPDX-License-Identifier: GPL-3.0-or-later
-
-COMMON_CFLAGS = -I ../../ -DTARGET_OS=1  -Wall -Wextra
-PROFILE_CFLAGS = -O1 -ggdb $(COMMON_CFLAGS)
-PERFORMANCE_CFLAGS = -O2 $(COMMON_CFLAGS)
-
-CFLAGS = $(PERFORMANCE_CFLAGS)
-
-LIBNETDATA_FILES = \
-    ../../libnetdata/popen/popen.o \
-    ../../libnetdata/storage_number/storage_number.o \
-    ../../libnetdata/avl/avl.o \
-    ../../libnetdata/socket/socket.o \
-    ../../libnetdata/os.o \
-    ../../libnetdata/clocks/clocks.o \
-    ../../libnetdata/procfile/procfile.o \
-    ../../libnetdata/statistical/statistical.o \
-    ../../libnetdata/eval/eval.o \
-    ../../libnetdata/threads/threads.o \
-    ../../libnetdata/dictionary/dictionary.o \
-    ../../libnetdata/simple_pattern/simple_pattern.o \
-    ../../libnetdata/url/url.o \
-    ../../libnetdata/config/appconfig.o \
-    ../../libnetdata/libnetdata.o \
-    ../../libnetdata/buffer/buffer.o \
-    ../../libnetdata/adaptive_resortable_list/adaptive_resortable_list.o \
-    ../../libnetdata/locks/locks.o \
-    ../../libnetdata/log/log.o \
-    $(NULL)
-
-COMMON_LDFLAGS = $(LIBNETDATA_FILES) -pthread -lm
-
-all: statsd-stress benchmark-procfile-parser test-eval benchmark-dictionary benchmark-value-pairs
-
-benchmark-procfile-parser: benchmark-procfile-parser.c
-	gcc ${CFLAGS} -o $@ $^ ${COMMON_LDFLAGS}
-
-benchmark-dictionary: benchmark-dictionary.c
-	gcc ${CFLAGS} -o $@ $^ ${COMMON_LDFLAGS}
-
-benchmark-value-pairs: benchmark-value-pairs.c
-	gcc ${CFLAGS} -o $@ $^ ${COMMON_LDFLAGS}
-
-statsd-stress: statsd-stress.c
-	gcc ${CFLAGS} -o $@ $^ ${COMMON_LDFLAGS}
-
-test-eval: test-eval.c
-	gcc ${CFLAGS} -o $@ $^ ${COMMON_LDFLAGS}
-
-
-clean:
-	rm -f benchmark-procfile-parser statsd-stress test-eval benchmark-dictionary benchmark-value-pairs
-
diff --git a/tests/profile/benchmark-dictionary.c b/tests/profile/benchmark-dictionary.c
deleted file mode 100644
index 30c098d5d..000000000
--- a/tests/profile/benchmark-dictionary.c
+++ /dev/null
@@ -1,130 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * 1. build netdata (as normally)
- * 2. cd tests/profile/
- * 3. compile with:
- *    gcc -O3 -Wall -Wextra -I ../../src/ -I ../../ -o benchmark-dictionary benchmark-dictionary.c ../../src/dictionary.o ../../src/log.o ../../src/avl.o ../../src/common.o -pthread
- *
- */
-
-#include "config.h"
-#include "libnetdata/libnetdata.h"
-
-struct myvalue {
-	int i;
-};
-
-void netdata_cleanup_and_exit(int ret) { exit(ret); }
-
-int main(int argc, char **argv) {
-	if(argc || argv) {;}
-
-//	DICTIONARY *dict = dictionary_create(DICTIONARY_FLAG_SINGLE_THREADED|DICTIONARY_FLAG_WITH_STATISTICS);
-	DICTIONARY *dict = dictionary_create(DICTIONARY_FLAG_WITH_STATISTICS);
-	if(!dict) fatal("Cannot create dictionary.");
-
-	struct rusage start, end;
-	unsigned long long dt;
-	char buf[100 + 1];
-	struct myvalue value, *v;
-	int i, max = 30000000, max2;
-
-	// ------------------------------------------------------------------------
-
-	getrusage(RUSAGE_SELF, &start);
-	dict->stats->inserts = dict->stats->deletes = dict->stats->searches = 0ULL;
-	fprintf(stderr, "Inserting %d entries in the dictionary\n", max);
-	for(i = 0; i < max; i++) {
-		value.i = i;
-		snprintf(buf, 100, "%d", i);
-
-		dictionary_set(dict, buf, &value, sizeof(struct myvalue));
-	}
-	getrusage(RUSAGE_SELF, &end);
-	dt = (end.ru_utime.tv_sec * 1000000ULL + end.ru_utime.tv_usec) - (start.ru_utime.tv_sec * 1000000ULL + start.ru_utime.tv_usec);
-	fprintf(stderr, "Added %d entries in %llu nanoseconds: %llu inserts per second\n", max, dt, max * 1000000ULL / dt);
-	fprintf(stderr, " > Dictionary: %llu inserts, %llu deletes, %llu searches\n\n", dict->stats->inserts, dict->stats->deletes, dict->stats->searches);
-
-	// ------------------------------------------------------------------------
-
-	getrusage(RUSAGE_SELF, &start);
-	dict->stats->inserts = dict->stats->deletes = dict->stats->searches = 0ULL;
-	fprintf(stderr, "Retrieving %d entries from the dictionary\n", max);
-	for(i = 0; i < max; i++) {
-		value.i = i;
-		snprintf(buf, 100, "%d", i);
-
-		v = dictionary_get(dict, buf);
-		if(!v)
-			fprintf(stderr, "ERROR: cannot get value %d from the dictionary\n", i);
-		else if(v->i != i)
-			fprintf(stderr, "ERROR: expected %d but got %d\n", i, v->i);
-	}
-	getrusage(RUSAGE_SELF, &end);
-	dt = (end.ru_utime.tv_sec * 1000000ULL + end.ru_utime.tv_usec) - (start.ru_utime.tv_sec * 1000000ULL + start.ru_utime.tv_usec);
-	fprintf(stderr, "Read %d entries in %llu nanoseconds: %llu searches per second\n", max, dt, max * 1000000ULL / dt);
-	fprintf(stderr, " > Dictionary: %llu inserts, %llu deletes, %llu searches\n\n", dict->stats->inserts, dict->stats->deletes, dict->stats->searches);
-
-	// ------------------------------------------------------------------------
-
-	getrusage(RUSAGE_SELF, &start);
-	dict->stats->inserts = dict->stats->deletes = dict->stats->searches = 0ULL;
-	fprintf(stderr, "Resetting %d entries in the dictionary\n", max);
-	for(i = 0; i < max; i++) {
-		value.i = i;
-		snprintf(buf, 100, "%d", i);
-
-		dictionary_set(dict, buf, &value, sizeof(struct myvalue));
-	}
-	getrusage(RUSAGE_SELF, &end);
-	dt = (end.ru_utime.tv_sec * 1000000ULL + end.ru_utime.tv_usec) - (start.ru_utime.tv_sec * 1000000ULL + start.ru_utime.tv_usec);
-	fprintf(stderr, "Reset %d entries in %llu nanoseconds: %llu resets per second\n", max, dt, max * 1000000ULL / dt);
-	fprintf(stderr, " > Dictionary: %llu inserts, %llu deletes, %llu searches\n\n", dict->stats->inserts, dict->stats->deletes, dict->stats->searches);
-
-	// ------------------------------------------------------------------------
-
-	getrusage(RUSAGE_SELF, &start);
-	dict->stats->inserts = dict->stats->deletes = dict->stats->searches = 0ULL;
-	fprintf(stderr, "Searching  %d non-existing entries in the dictionary\n", max);
-	max2 = max * 2;
-	for(i = max; i < max2; i++) {
-		value.i = i;
-		snprintf(buf, 100, "%d", i);
-
-		v = dictionary_get(dict, buf);
-		if(v)
-			fprintf(stderr, "ERROR: cannot got non-existing value %d from the dictionary\n", i);
-	}
-	getrusage(RUSAGE_SELF, &end);
-	dt = (end.ru_utime.tv_sec * 1000000ULL + end.ru_utime.tv_usec) - (start.ru_utime.tv_sec * 1000000ULL + start.ru_utime.tv_usec);
-	fprintf(stderr, "Searched %d non-existing entries in %llu nanoseconds: %llu not found searches per second\n", max, dt, max * 1000000ULL / dt);
-	fprintf(stderr, " > Dictionary: %llu inserts, %llu deletes, %llu searches\n\n", dict->stats->inserts, dict->stats->deletes, dict->stats->searches);
-
-	// ------------------------------------------------------------------------
-
-	getrusage(RUSAGE_SELF, &start);
-	dict->stats->inserts = dict->stats->deletes = dict->stats->searches = 0ULL;
-	fprintf(stderr, "Deleting %d entries from the dictionary\n", max);
-	for(i = 0; i < max; i++) {
-		value.i = i;
-		snprintf(buf, 100, "%d", i);
-
-		dictionary_del(dict, buf);
-	}
-	getrusage(RUSAGE_SELF, &end);
-	dt = (end.ru_utime.tv_sec * 1000000ULL + end.ru_utime.tv_usec) - (start.ru_utime.tv_sec * 1000000ULL + start.ru_utime.tv_usec);
-	fprintf(stderr, "Deleted %d entries in %llu nanoseconds: %llu deletes per second\n", max, dt, max * 1000000ULL / dt);
-	fprintf(stderr, " > Dictionary: %llu inserts, %llu deletes, %llu searches\n\n", dict->stats->inserts, dict->stats->deletes, dict->stats->searches);
-
-	// ------------------------------------------------------------------------
-
-	getrusage(RUSAGE_SELF, &start);
-	dict->stats->inserts = dict->stats->deletes = dict->stats->searches = 0ULL;
-	fprintf(stderr, "Destroying dictionary\n");
-	dictionary_destroy(dict);
-	getrusage(RUSAGE_SELF, &end);
-	dt = (end.ru_utime.tv_sec * 1000000ULL + end.ru_utime.tv_usec) - (start.ru_utime.tv_sec * 1000000ULL + start.ru_utime.tv_usec);
-	fprintf(stderr, "Destroyed in %llu nanoseconds\n", dt);
-
-	return 0;
-}
diff --git a/tests/profile/benchmark-line-parsing.c b/tests/profile/benchmark-line-parsing.c
deleted file mode 100644
index c07d1d857..000000000
--- a/tests/profile/benchmark-line-parsing.c
+++ /dev/null
@@ -1,707 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-#include <stdio.h>
-#include <inttypes.h>
-#include <string.h>
-#include <stdlib.h>
-#include <ctype.h>
-#include <sys/time.h>
-
-#define likely(x) __builtin_expect(!!(x), 1)
-#define unlikely(x) __builtin_expect(!!(x), 0)
-
-#define simple_hash(name) ({                                         \
-    register unsigned char *__hash_source = (unsigned char *)(name); \
-    register uint32_t __hash_value = 0x811c9dc5;                     \
-    while (*__hash_source) {                                         \
-        __hash_value *= 16777619;                                    \
-        __hash_value ^= (uint32_t) *__hash_source++;                 \
-    }                                                                \
-    __hash_value;                                                    \
-})
-
-static inline uint32_t simple_hash2(const char *name) {
-    register unsigned char *s = (unsigned char *)name;
-    register uint32_t hval = 0x811c9dc5;
-    while (*s) {
-        hval *= 16777619;
-        hval ^= (uint32_t) *s++;
-    }
-    return hval;
-}
-
-static inline unsigned long long fast_strtoull(const char *s) {
-  register unsigned long long n = 0;
-  register char c;
-  for(c = *s; c >= '0' && c <= '9' ; c = *(++s)) {
-    n *= 10;
-    n += c - '0';
-    // n = (n << 1) + (n << 3) + (c - '0');
-  }
-  return n;
-}
-
-static uint32_t cache_hash = 0;
-static uint32_t rss_hash = 0;
-static uint32_t rss_huge_hash = 0;
-static uint32_t mapped_file_hash = 0;
-static uint32_t writeback_hash = 0;
-static uint32_t dirty_hash = 0;
-static uint32_t swap_hash = 0;
-static uint32_t pgpgin_hash = 0;
-static uint32_t pgpgout_hash = 0;
-static uint32_t pgfault_hash = 0;
-static uint32_t pgmajfault_hash = 0;
-static uint32_t inactive_anon_hash = 0;
-static uint32_t active_anon_hash = 0;
-static uint32_t inactive_file_hash = 0;
-static uint32_t active_file_hash = 0;
-static uint32_t unevictable_hash = 0;
-static uint32_t hierarchical_memory_limit_hash = 0;
-static uint32_t total_cache_hash = 0;
-static uint32_t total_rss_hash = 0;
-static uint32_t total_rss_huge_hash = 0;
-static uint32_t total_mapped_file_hash = 0;
-static uint32_t total_writeback_hash = 0;
-static uint32_t total_dirty_hash = 0;
-static uint32_t total_swap_hash = 0;
-static uint32_t total_pgpgin_hash = 0;
-static uint32_t total_pgpgout_hash = 0;
-static uint32_t total_pgfault_hash = 0;
-static uint32_t total_pgmajfault_hash = 0;
-static uint32_t total_inactive_anon_hash = 0;
-static uint32_t total_active_anon_hash = 0;
-static uint32_t total_inactive_file_hash = 0;
-static uint32_t total_active_file_hash = 0;
-static uint32_t total_unevictable_hash = 0;
-
-char *strings[] = {
-  "cache",
-  "rss",
-  "rss_huge",
-  "mapped_file",
-  "writeback",
-  "dirty",
-  "swap",
-  "pgpgin",
-  "pgpgout",
-  "pgfault",
-  "pgmajfault",
-  "inactive_anon",
-  "active_anon",
-  "inactive_file",
-  "active_file",
-  "unevictable",
-  "hierarchical_memory_limit",
-  "total_cache",
-  "total_rss",
-  "total_rss_huge",
-  "total_mapped_file",
-  "total_writeback",
-  "total_dirty",
-  "total_swap",
-  "total_pgpgin",
-  "total_pgpgout",
-  "total_pgfault",
-  "total_pgmajfault",
-  "total_inactive_anon",
-  "total_active_anon",
-  "total_inactive_file",
-  "total_active_file",
-  "total_unevictable",
-  NULL
-};
-
-unsigned long long values1[12] = { 0 };
-unsigned long long values2[12] = { 0 };
-unsigned long long values3[12] = { 0 };
-unsigned long long values4[12] = { 0 };
-unsigned long long values5[12] = { 0 };
-unsigned long long values6[12] = { 0 };
-
-#define NUMBER1  "12345678901234"
-#define NUMBER2  "23456789012345"
-#define NUMBER3  "34567890123456"
-#define NUMBER4  "45678901234567"
-#define NUMBER5  "56789012345678"
-#define NUMBER6  "67890123456789"
-#define NUMBER7  "78901234567890"
-#define NUMBER8  "89012345678901"
-#define NUMBER9  "90123456789012"
-#define NUMBER10 "12345678901234"
-#define NUMBER11 "23456789012345"
-
-// simple system strcmp()
-void test1() {
-  int i;
-  for(i = 0; strings[i] ; i++) {
-    char *s = strings[i];
-
-    if(unlikely(!strcmp(s, "cache")))
-      values1[i] = strtoull(NUMBER1, NULL, 10);
-
-    else if(unlikely(!strcmp(s, "rss")))
-      values1[i] = strtoull(NUMBER2, NULL, 10);
-    
-    else if(unlikely(!strcmp(s, "rss_huge")))
-      values1[i] = strtoull(NUMBER3, NULL, 10);
-  
-    else if(unlikely(!strcmp(s, "mapped_file")))
-      values1[i] = strtoull(NUMBER4, NULL, 10);
-    
-    else if(unlikely(!strcmp(s, "writeback")))
-      values1[i] = strtoull(NUMBER5, NULL, 10);
-    
-    else if(unlikely(!strcmp(s, "dirty")))
-      values1[i] = strtoull(NUMBER6, NULL, 10);
-    
-    else if(unlikely(!strcmp(s, "swap")))
-      values1[i] = strtoull(NUMBER7, NULL, 10);
-    
-    else if(unlikely(!strcmp(s, "pgpgin")))
-      values1[i] = strtoull(NUMBER8, NULL, 10);
-    
-    else if(unlikely(!strcmp(s, "pgpgout")))
-      values1[i] = strtoull(NUMBER9, NULL, 10);
-    
-    else if(unlikely(!strcmp(s, "pgfault")))
-      values1[i] = strtoull(NUMBER10, NULL, 10);
-    
-    else if(unlikely(!strcmp(s, "pgmajfault")))
-      values1[i] = strtoull(NUMBER11, NULL, 10);
-  }
-}
-
-// inline simple_hash() with system strtoull()
-void test2() {
-  int i;
-  for(i = 0; strings[i] ; i++) {
-    char *s = strings[i];
-    uint32_t hash = simple_hash2(s);
-
-    if(unlikely(hash == cache_hash && !strcmp(s, "cache")))
-      values2[i] = strtoull(NUMBER1, NULL, 10);
-    
-    else if(unlikely(hash == rss_hash && !strcmp(s, "rss")))
-      values2[i] = strtoull(NUMBER2, NULL, 10);
-    
-    else if(unlikely(hash == rss_huge_hash && !strcmp(s, "rss_huge")))
-      values2[i] = strtoull(NUMBER3, NULL, 10);
-    
-    else if(unlikely(hash == mapped_file_hash && !strcmp(s, "mapped_file")))
-      values2[i] = strtoull(NUMBER4, NULL, 10);
-    
-    else if(unlikely(hash == writeback_hash && !strcmp(s, "writeback")))
-      values2[i] = strtoull(NUMBER5, NULL, 10);
-    
-    else if(unlikely(hash == dirty_hash && !strcmp(s, "dirty")))
-      values2[i] = strtoull(NUMBER6, NULL, 10);
-    
-    else if(unlikely(hash == swap_hash && !strcmp(s, "swap")))
-      values2[i] = strtoull(NUMBER7, NULL, 10);
-  
-    else if(unlikely(hash == pgpgin_hash && !strcmp(s, "pgpgin")))
-      values2[i] = strtoull(NUMBER8, NULL, 10);
-    
-    else if(unlikely(hash == pgpgout_hash && !strcmp(s, "pgpgout")))
-      values2[i] = strtoull(NUMBER9, NULL, 10);
-    
-    else if(unlikely(hash == pgfault_hash && !strcmp(s, "pgfault")))
-      values2[i] = strtoull(NUMBER10, NULL, 10);
-    
-    else if(unlikely(hash == pgmajfault_hash && !strcmp(s, "pgmajfault")))
-      values2[i] = strtoull(NUMBER11, NULL, 10);
-  }
-}
-
-// statement expression simple_hash(), system strtoull()
-void test3() {
-  int i;
-  for(i = 0; strings[i] ; i++) {
-    char *s = strings[i];
-    uint32_t hash = simple_hash(s);
-
-    if(unlikely(hash == cache_hash && !strcmp(s, "cache")))
-      values3[i] = strtoull(NUMBER1, NULL, 10);
-    
-    else if(unlikely(hash == rss_hash && !strcmp(s, "rss")))
-      values3[i] = strtoull(NUMBER2, NULL, 10);
-    
-    else if(unlikely(hash == rss_huge_hash && !strcmp(s, "rss_huge")))
-      values3[i] = strtoull(NUMBER3, NULL, 10);
-    
-    else if(unlikely(hash == mapped_file_hash && !strcmp(s, "mapped_file")))
-      values3[i] = strtoull(NUMBER4, NULL, 10);
-    
-    else if(unlikely(hash == writeback_hash && !strcmp(s, "writeback")))
-      values3[i] = strtoull(NUMBER5, NULL, 10);
-    
-    else if(unlikely(hash == dirty_hash && !strcmp(s, "dirty")))
-      values3[i] = strtoull(NUMBER6, NULL, 10);
-    
-    else if(unlikely(hash == swap_hash && !strcmp(s, "swap")))
-      values3[i] = strtoull(NUMBER7, NULL, 10);
-    
-    else if(unlikely(hash == pgpgin_hash && !strcmp(s, "pgpgin")))
-      values3[i] = strtoull(NUMBER8, NULL, 10);
-    
-    else if(unlikely(hash == pgpgout_hash && !strcmp(s, "pgpgout")))
-      values3[i] = strtoull(NUMBER9, NULL, 10);
-    
-    else if(unlikely(hash == pgfault_hash && !strcmp(s, "pgfault")))
-      values3[i] = strtoull(NUMBER10, NULL, 10);
-    
-    else if(unlikely(hash == pgmajfault_hash && !strcmp(s, "pgmajfault")))
-      values3[i] = strtoull(NUMBER11, NULL, 10);
-  }
-}
-
-
-// inline simple_hash(), if-continue checks
-void test4() {
-  int i;
-  for(i = 0; strings[i] ; i++) {
-    char *s = strings[i];
-    uint32_t hash = simple_hash2(s);
-
-    if(unlikely(hash == cache_hash && !strcmp(s, "cache"))) {
-      values4[i] = strtoull(NUMBER1, NULL, 0);
-      continue;
-    }
-
-    if(unlikely(hash == rss_hash && !strcmp(s, "rss"))) {
-      values4[i] = strtoull(NUMBER2, NULL, 0);
-      continue;
-    }
-    
-    if(unlikely(hash == rss_huge_hash && !strcmp(s, "rss_huge"))) {
-      values4[i] = strtoull(NUMBER3, NULL, 0);
-      continue;
-    }
-    
-    if(unlikely(hash == mapped_file_hash && !strcmp(s, "mapped_file"))) {
-      values4[i] = strtoull(NUMBER4, NULL, 0);
-      continue;
-    }
-    
-    if(unlikely(hash == writeback_hash && !strcmp(s, "writeback"))) {
-      values4[i] = strtoull(NUMBER5, NULL, 0);
-      continue;
-    }
-    
-    if(unlikely(hash == dirty_hash && !strcmp(s, "dirty"))) {
-      values4[i] = strtoull(NUMBER6, NULL, 0);
-      continue;
-    }
-    
-    if(unlikely(hash == swap_hash && !strcmp(s, "swap"))) {
-      values4[i] = strtoull(NUMBER7, NULL, 0);
-      continue;
-    }
-    
-    if(unlikely(hash == pgpgin_hash && !strcmp(s, "pgpgin"))) {
-      values4[i] = strtoull(NUMBER8, NULL, 0);
-      continue;
-    }
-    
-    if(unlikely(hash == pgpgout_hash && !strcmp(s, "pgpgout"))) {
-      values4[i] = strtoull(NUMBER9, NULL, 0);
-      continue;
-    }
-    
-    if(unlikely(hash == pgfault_hash && !strcmp(s, "pgfault"))) {
-      values4[i] = strtoull(NUMBER10, NULL, 0);
-      continue;
-    }
-    
-    if(unlikely(hash == pgmajfault_hash && !strcmp(s, "pgmajfault"))) {
-      values4[i] = strtoull(NUMBER11, NULL, 0);
-      continue;
-    }
-  }
-}
-
-// inline simple_hash(), if-else-if-else-if (netdata default)
-void test5() {
-  int i;
-  for(i = 0; strings[i] ; i++) {
-    char *s = strings[i];
-    uint32_t hash = simple_hash2(s);
-
-    if(unlikely(hash == cache_hash && !strcmp(s, "cache")))
-      values5[i] = fast_strtoull(NUMBER1);
-    
-    else if(unlikely(hash == rss_hash && !strcmp(s, "rss")))
-      values5[i] = fast_strtoull(NUMBER2);
-    
-    else if(unlikely(hash == rss_huge_hash && !strcmp(s, "rss_huge")))
-      values5[i] = fast_strtoull(NUMBER3);
-    
-    else if(unlikely(hash == mapped_file_hash && !strcmp(s, "mapped_file")))
-      values5[i] = fast_strtoull(NUMBER4);
-    
-    else if(unlikely(hash == writeback_hash && !strcmp(s, "writeback")))
-      values5[i] = fast_strtoull(NUMBER5);
-    
-    else if(unlikely(hash == dirty_hash && !strcmp(s, "dirty")))
-      values5[i] = fast_strtoull(NUMBER6);
-    
-    else if(unlikely(hash == swap_hash && !strcmp(s, "swap")))
-      values5[i] = fast_strtoull(NUMBER7);
-  
-    else if(unlikely(hash == pgpgin_hash && !strcmp(s, "pgpgin")))
-      values5[i] = fast_strtoull(NUMBER8);
-    
-    else if(unlikely(hash == pgpgout_hash && !strcmp(s, "pgpgout")))
-      values5[i] = fast_strtoull(NUMBER9);
-    
-    else if(unlikely(hash == pgfault_hash && !strcmp(s, "pgfault")))
-      values5[i] = fast_strtoull(NUMBER10);
-    
-    else if(unlikely(hash == pgmajfault_hash && !strcmp(s, "pgmajfault")))
-      values5[i] = fast_strtoull(NUMBER11);
-  }
-}
-
-// ----------------------------------------------------------------------------
-
-struct entry {
-  char *name;
-  uint32_t hash;
-  int found;
-  void (*func)(void *data1, void *data2);
-  void *data1;
-  void *data2;
-  struct entry *prev, *next;
-};
-
-struct base {
-  int iteration;
-  int registered;
-  int wanted;
-  int found;
-  struct entry *entries, *last;
-};
-
-static inline void callback(void *data1, void *data2) {
-    char *string = data1;
-    unsigned long long *value = data2;
-    *value = fast_strtoull(string);
-}
-
-static inline void callback_system_strtoull(void *data1, void *data2) {
-    char *string = data1;
-    unsigned long long *value = data2;
-    *value = strtoull(string, NULL, 10);
-}
-
-
-static inline struct base *entry(struct base *base, const char *name, void *data1, void *data2, void (*func)(void *, void *)) {
-  if(!base)
-    base = calloc(1, sizeof(struct base));
-
-  struct entry *e = malloc(sizeof(struct entry));
-  e->name = strdup(name);
-  e->hash = simple_hash2(e->name);
-  e->data1 = data1;
-  e->data2 = data2;
-  e->func = func;
-  e->prev = NULL;
-  e->next = base->entries;
-
-  if(base->entries) base->entries->prev = e;
-  else base->last = e;
-
-  base->entries = e;
-  base->registered++;
-  base->wanted = base->registered;
-
-  return base;
-}
-
-static inline int check(struct base *base, const char *s) {
-  uint32_t hash = simple_hash2(s);
-
-  if(likely(!strcmp(s, base->last->name))) {
-    base->last->found = 1;
-    base->found++;
-    if(base->last->func) base->last->func(base->last->data1, base->last->data2);
-    base->last = base->last->next;
-
-    if(!base->last)
-      base->last = base->entries;
-
-    if(base->found == base->registered)
-      return 1;
-
-    return 0;
-  }
-
-  // find it
-  struct entry *e;
-  for(e = base->entries; e ; e = e->next)
-    if(e->hash == hash && !strcmp(e->name, s))
-      break;
-
-  if(e == base->last) {
-    printf("ERROR\n");
-    exit(1);
-  }
-
-  if(e) {
-    // found
-
-    // run it
-    if(e->func) e->func(e->data1, e->data2);
-
-    // unlink it
-    if(e->next) e->next->prev = e->prev;
-    if(e->prev) e->prev->next = e->next;
-
-    if(base->entries == e)
-      base->entries = e->next;
-  }
-  else {
-    // not found
-
-    // create it
-    e = calloc(1, sizeof(struct entry));
-    e->name = strdup(s);
-    e->hash = hash;
-  }
-
-  // link it here
-  e->next = base->last;
-  if(base->last) {
-    e->prev = base->last->prev;
-    base->last->prev = e;
-
-    if(base->entries == base->last)
-      base->entries = e;
-  }
-  else
-    e->prev = NULL;
-
-  if(e->prev)
-    e->prev->next = e;
-
-  base->last = e->next;
-  if(!base->last)
-    base->last = base->entries;
-
-  e->found = 1;
-  base->found++;
-
-  if(base->found == base->registered)
-    return 1;
-
-  printf("relinked '%s' after '%s' and before '%s': ", e->name, e->prev?e->prev->name:"NONE", e->next?e->next->name:"NONE");
-  for(e = base->entries; e ; e = e->next) printf("%s ", e->name);
-  printf("\n");
-
-  return 0;
-}
-
-static inline void begin(struct base *base) {
-
-  if(unlikely(base->iteration % 60) == 1) {
-    base->wanted = 0;
-    struct entry *e;
-    for(e = base->entries; e ; e = e->next)
-      if(e->found) base->wanted++;
-  }
-
-  base->iteration++;
-  base->last = base->entries;
-  base->found = 0;
-}
-
-void test6() {
-
-  static struct base *base = NULL;
-
-  if(unlikely(!base)) {
-    base = entry(base, "cache", NUMBER1, &values6[0], callback_system_strtoull);
-    base = entry(base, "rss", NUMBER2, &values6[1], callback_system_strtoull);
-    base = entry(base, "rss_huge", NUMBER3, &values6[2], callback_system_strtoull);
-    base = entry(base, "mapped_file", NUMBER4, &values6[3], callback_system_strtoull);
-    base = entry(base, "writeback", NUMBER5, &values6[4], callback_system_strtoull);
-    base = entry(base, "dirty", NUMBER6, &values6[5], callback_system_strtoull);
-    base = entry(base, "swap", NUMBER7, &values6[6], callback_system_strtoull);
-    base = entry(base, "pgpgin", NUMBER8, &values6[7], callback_system_strtoull);
-    base = entry(base, "pgpgout", NUMBER9, &values6[8], callback_system_strtoull);
-    base = entry(base, "pgfault", NUMBER10, &values6[9], callback_system_strtoull);
-    base = entry(base, "pgmajfault", NUMBER11, &values6[10], callback_system_strtoull);
-  }
-
-  begin(base);
-
-  int i;
-  for(i = 0; strings[i] ; i++) {
-    if(check(base, strings[i]))
-      break;
-  }
-}
-
-void test7() {
-
-    static struct base *base = NULL;
-
-    if(unlikely(!base)) {
-        base = entry(base, "cache", NUMBER1, &values6[0], callback);
-        base = entry(base, "rss", NUMBER2, &values6[1], callback);
-        base = entry(base, "rss_huge", NUMBER3, &values6[2], callback);
-        base = entry(base, "mapped_file", NUMBER4, &values6[3], callback);
-        base = entry(base, "writeback", NUMBER5, &values6[4], callback);
-        base = entry(base, "dirty", NUMBER6, &values6[5], callback);
-        base = entry(base, "swap", NUMBER7, &values6[6], callback);
-        base = entry(base, "pgpgin", NUMBER8, &values6[7], callback);
-        base = entry(base, "pgpgout", NUMBER9, &values6[8], callback);
-        base = entry(base, "pgfault", NUMBER10, &values6[9], callback);
-        base = entry(base, "pgmajfault", NUMBER11, &values6[10], callback);
-    }
-
-    begin(base);
-
-    int i;
-    for(i = 0; strings[i] ; i++) {
-        if(check(base, strings[i]))
-            break;
-    }
-}
-
-// ----------------------------------------------------------------------------
-
-
-// ==============
-// --- Poor man cycle counting.
-static unsigned long tsc;
-
-static void begin_tsc(void)
-{
-  unsigned long a, d;
-  asm volatile ("cpuid\nrdtsc" : "=a" (a), "=d" (d) : "0" (0) : "ebx", "ecx");
-  tsc = ((unsigned long)d << 32) | (unsigned long)a;
-}
-
-static unsigned long end_tsc(void)
-{
-  unsigned long a, d;
-  asm volatile ("rdtscp" : "=a" (a), "=d" (d) : : "ecx");
-  return (((unsigned long)d << 32) | (unsigned long)a) - tsc;
-}
-// ===============
-
-static unsigned long long clk;
-
-static void begin_clock() {
-    struct timeval tv;
-    if(unlikely(gettimeofday(&tv, NULL) == -1))
-        return;
-    clk = tv.tv_sec  * 1000000 + tv.tv_usec;
-}
-
-static unsigned long long end_clock() {
-    struct timeval tv;
-    if(unlikely(gettimeofday(&tv, NULL) == -1))
-        return -1;
-    return clk = tv.tv_sec  * 1000000 + tv.tv_usec - clk;
-}
-
-void main(void)
-{
-    cache_hash = simple_hash("cache");
-    rss_hash = simple_hash("rss");
-    rss_huge_hash = simple_hash("rss_huge");
-    mapped_file_hash = simple_hash("mapped_file");
-    writeback_hash = simple_hash("writeback");
-    dirty_hash = simple_hash("dirty");
-    swap_hash = simple_hash("swap");
-    pgpgin_hash = simple_hash("pgpgin");
-    pgpgout_hash = simple_hash("pgpgout");
-    pgfault_hash = simple_hash("pgfault");
-    pgmajfault_hash = simple_hash("pgmajfault");
-    inactive_anon_hash = simple_hash("inactive_anon");
-    active_anon_hash = simple_hash("active_anon");
-    inactive_file_hash = simple_hash("inactive_file");
-    active_file_hash = simple_hash("active_file");
-    unevictable_hash = simple_hash("unevictable");
-    hierarchical_memory_limit_hash = simple_hash("hierarchical_memory_limit");
-    total_cache_hash = simple_hash("total_cache");
-    total_rss_hash = simple_hash("total_rss");
-    total_rss_huge_hash = simple_hash("total_rss_huge");
-    total_mapped_file_hash = simple_hash("total_mapped_file");
-    total_writeback_hash = simple_hash("total_writeback");
-    total_dirty_hash = simple_hash("total_dirty");
-    total_swap_hash = simple_hash("total_swap");
-    total_pgpgin_hash = simple_hash("total_pgpgin");
-    total_pgpgout_hash = simple_hash("total_pgpgout");
-    total_pgfault_hash = simple_hash("total_pgfault");
-    total_pgmajfault_hash = simple_hash("total_pgmajfault");
-    total_inactive_anon_hash = simple_hash("total_inactive_anon");
-    total_active_anon_hash = simple_hash("total_active_anon");
-    total_inactive_file_hash = simple_hash("total_inactive_file");
-    total_active_file_hash = simple_hash("total_active_file");
-    total_unevictable_hash = simple_hash("total_unevictable");
-
-    // cache functions
-    (void)simple_hash2("hello world");
-    (void)strcmp("1", "2");
-    (void)strtoull("123", NULL, 0);
-
-  unsigned long i, c1 = 0, c2 = 0, c3 = 0, c4 = 0, c5 = 0, c6 = 0, c7;
-  unsigned long max = 1000000;
-
-  // let the processor get up to speed
-  begin_clock();
-  for(i = 0; i <= max ;i++) test1();
-  c1 = end_clock();
-
-  begin_clock();
-  for(i = 0; i <= max ;i++) test1();
-  c1 = end_clock();
-
-  begin_clock();
-  for(i = 0; i <= max ;i++) test2();
-  c2 = end_clock();
-    
-  begin_clock();
-  for(i = 0; i <= max ;i++) test3();
-  c3 = end_clock();
-
-  begin_clock();
-  for(i = 0; i <= max ;i++) test4();
-  c4 = end_clock();
-
-  begin_clock();
-  for(i = 0; i <= max ;i++) test5();
-  c5 = end_clock();
-
-    begin_clock();
-    for(i = 0; i <= max ;i++) test6();
-    c6 = end_clock();
-
-    begin_clock();
-    for(i = 0; i <= max ;i++) test7();
-    c7 = end_clock();
-
-    for(i = 0; i < 11 ; i++)
-    printf("value %lu: %llu %llu %llu %llu %llu %llu\n", i, values1[i], values2[i], values3[i], values4[i], values5[i], values6[i]);
-  
-  printf("\n\nRESULTS\n");
-  printf("test1() in %lu usecs: if-else-if-else-if, simple strcmp() with system strtoull().\n"
-         "test2() in %lu usecs: inline simple_hash() if-else-if-else-if, with system strtoull().\n"
-         "test3() in %lu usecs: statement expression simple_hash(), system strtoull().\n"
-         "test4() in %lu usecs: inline simple_hash(), if-continue checks, system strtoull().\n"
-         "test5() in %lu usecs: inline simple_hash(), if-else-if-else-if, custom strtoull() (netdata default prior to ARL).\n"
-         "test6() in %lu usecs: adaptive re-sortable list, system strtoull() (wow!)\n"
-         "test7() in %lu usecs: adaptive re-sortable list, custom strtoull() (wow!)\n"
-         , c1
-         , c2
-         , c3
-         , c4
-         , c5
-         , c6
-         , c7
-         );
-
-}
diff --git a/tests/profile/benchmark-procfile-parser.c b/tests/profile/benchmark-procfile-parser.c
deleted file mode 100644
index 991e2dfc8..000000000
--- a/tests/profile/benchmark-procfile-parser.c
+++ /dev/null
@@ -1,329 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-
-#include "config.h"
-#include "libnetdata/libnetdata.h"
-
-void netdata_cleanup_and_exit(int ret) {
-	exit(ret);
-}
-
-#define PF_PREFIX "PROCFILE"
-#define PFWORDS_INCREASE_STEP 200
-#define PFLINES_INCREASE_STEP 10
-#define PROCFILE_INCREMENT_BUFFER 512
-extern size_t procfile_max_lines;
-extern size_t procfile_max_words;
-extern size_t procfile_max_allocation;
-
-
-static inline void pflines_reset(pflines *fl) {
-    // debug(D_PROCFILE, PF_PREFIX ":   reseting lines");
-
-    fl->len = 0;
-}
-
-static inline void pflines_free(pflines *fl) {
-    // debug(D_PROCFILE, PF_PREFIX ":   freeing lines");
-
-    freez(fl);
-}
-
-static inline void pfwords_reset(pfwords *fw) {
-    // debug(D_PROCFILE, PF_PREFIX ":   reseting words");
-    fw->len = 0;
-}
-
-
-static inline void pfwords_add(procfile *ff, char *str) {
-    // debug(D_PROCFILE, PF_PREFIX ":   adding word No %d: '%s'", fw->len, str);
-
-    pfwords *fw = ff->words;
-    if(unlikely(fw->len == fw->size)) {
-        // debug(D_PROCFILE, PF_PREFIX ":   expanding words");
-
-        ff->words = fw = reallocz(fw, sizeof(pfwords) + (fw->size + PFWORDS_INCREASE_STEP) * sizeof(char *));
-        fw->size += PFWORDS_INCREASE_STEP;
-    }
-
-    fw->words[fw->len++] = str;
-}
-
-NEVERNULL
-static inline size_t *pflines_add(procfile *ff) {
-    // debug(D_PROCFILE, PF_PREFIX ":   adding line %d at word %d", fl->len, first_word);
-
-    pflines *fl = ff->lines;
-    if(unlikely(fl->len == fl->size)) {
-        // debug(D_PROCFILE, PF_PREFIX ":   expanding lines");
-
-        ff->lines = fl = reallocz(fl, sizeof(pflines) + (fl->size + PFLINES_INCREASE_STEP) * sizeof(ffline));
-        fl->size += PFLINES_INCREASE_STEP;
-    }
-
-    ffline *ffl = &fl->lines[fl->len++];
-    ffl->words = 0;
-    ffl->first = ff->words->len;
-
-    return &ffl->words;
-}
-
-
-NOINLINE
-static void procfile_parser(procfile *ff) {
-    // debug(D_PROCFILE, PF_PREFIX ": Parsing file '%s'", ff->filename);
-
-    char  *s = ff->data                 // our current position
-        , *e = &ff->data[ff->len]       // the terminating null
-        , *t = ff->data;                // the first character of a word (or quoted / parenthesized string)
-
-                                        // the look up array to find our type of character
-    PF_CHAR_TYPE *separators = ff->separators;
-
-    char quote = 0;                     // the quote character - only when in quoted string
-    size_t opened = 0;                  // counts the number of open parenthesis
-
-    size_t *line_words = pflines_add(ff);
-
-    while(s < e) {
-        PF_CHAR_TYPE ct = separators[(unsigned char)(*s)];
-
-        // this is faster than a switch()
-        // read more here: http://lazarenko.me/switch/
-        switch(ct) {
-        	case PF_CHAR_IS_SEPARATOR:
-	            if(!quote && !opened) {
-	                if (s != t) {
-	                    // separator, but we have word before it
-	                    *s = '\0';
-	                    pfwords_add(ff, t);
-	                    (*line_words)++;
-	                }
-	                t = s + 1;
-	            }
-	            // fallthrough
-
-			case PF_CHAR_IS_WORD:
-				s++;
-				break;
-
-
-		    case PF_CHAR_IS_NEWLINE:
-		        // end of line
-
-		        *s = '\0';
-		        pfwords_add(ff, t);
-		        (*line_words)++;
-		        t = ++s;
-
-		        // debug(D_PROCFILE, PF_PREFIX ":   ended line %d with %d words", l, ff->lines->lines[l].words);
-
-		        line_words = pflines_add(ff);
-		    	break;
-
-		    case PF_CHAR_IS_QUOTE:
-		        if(unlikely(!quote && s == t)) {
-		            // quote opened at the beginning
-		            quote = *s;
-		            t = ++s;
-		        }
-		        else if(unlikely(quote && quote == *s)) {
-		            // quote closed
-		            quote = 0;
-
-		            *s = '\0';
-		            pfwords_add(ff, t);
-		            (*line_words)++;
-		            t = ++s;
-		        }
-		        else
-		            s++;
-		    	break;
-
-		    case PF_CHAR_IS_OPEN:
-		        if(s == t) {
-		            opened++;
-		            t = ++s;
-		        }
-		        else if(opened) {
-		            opened++;
-		            s++;
-		        }
-		        else
-		            s++;
-		    	break;
-
-		    case PF_CHAR_IS_CLOSE:
-		        if(opened) {
-		            opened--;
-
-		            if(!opened) {
-		                *s = '\0';
-		                pfwords_add(ff, t);
-		                (*line_words)++;
-		                t = ++s;
-		            }
-		            else
-		                s++;
-		        }
-		        else
-		            s++;
-		    	break;
-
-		    default:
-		        fatal("Internal Error: procfile_readall() does not handle all the cases.");
-    	}
-	}
-
-    if(likely(s > t && t < e)) {
-        // the last word
-        if(unlikely(ff->len >= ff->size)) {
-            // we are going to loose the last byte
-            s = &ff->data[ff->size - 1];
-        }
-
-        *s = '\0';
-        pfwords_add(ff, t);
-        (*line_words)++;
-        // t = ++s;
-    }
-}
-
-
-procfile *procfile_readall1(procfile *ff) {
-    // debug(D_PROCFILE, PF_PREFIX ": Reading file '%s'.", ff->filename);
-
-    ff->len = 0;    // zero the used size
-    ssize_t r = 1;  // read at least once
-    while(r > 0) {
-        ssize_t s = ff->len;
-        ssize_t x = ff->size - s;
-
-        if(unlikely(!x)) {
-            debug(D_PROCFILE, PF_PREFIX ": Expanding data buffer for file '%s'.", procfile_filename(ff));
-            ff = reallocz(ff, sizeof(procfile) + ff->size + PROCFILE_INCREMENT_BUFFER);
-            ff->size += PROCFILE_INCREMENT_BUFFER;
-        }
-
-        debug(D_PROCFILE, "Reading file '%s', from position %zd with length %zd", procfile_filename(ff), s, (ssize_t)(ff->size - s));
-        r = read(ff->fd, &ff->data[s], ff->size - s);
-        if(unlikely(r == -1)) {
-            if(unlikely(!(ff->flags & PROCFILE_FLAG_NO_ERROR_ON_FILE_IO))) error(PF_PREFIX ": Cannot read from file '%s' on fd %d", procfile_filename(ff), ff->fd);
-            procfile_close(ff);
-            return NULL;
-        }
-
-        ff->len += r;
-    }
-
-    // debug(D_PROCFILE, "Rewinding file '%s'", ff->filename);
-    if(unlikely(lseek(ff->fd, 0, SEEK_SET) == -1)) {
-        if(unlikely(!(ff->flags & PROCFILE_FLAG_NO_ERROR_ON_FILE_IO))) error(PF_PREFIX ": Cannot rewind on file '%s'.", procfile_filename(ff));
-        procfile_close(ff);
-        return NULL;
-    }
-
-    pflines_reset(ff->lines);
-    pfwords_reset(ff->words);
-    procfile_parser(ff);
-
-    if(unlikely(procfile_adaptive_initial_allocation)) {
-        if(unlikely(ff->len > procfile_max_allocation)) procfile_max_allocation = ff->len;
-        if(unlikely(ff->lines->len > procfile_max_lines)) procfile_max_lines = ff->lines->len;
-        if(unlikely(ff->words->len > procfile_max_words)) procfile_max_words = ff->words->len;
-    }
-
-    // debug(D_PROCFILE, "File '%s' updated.", ff->filename);
-    return ff;
-}
-
-
-
-
-
-
-
-
-// ==============
-// --- Poor man cycle counting.
-static unsigned long tsc;
-
-void begin_tsc(void)
-{
-  unsigned long a, d;
-  asm volatile ("cpuid\nrdtsc" : "=a" (a), "=d" (d) : "0" (0) : "ebx", "ecx");
-  tsc = ((unsigned long)d << 32) | (unsigned long)a;
-}
-
-unsigned long end_tsc(void)
-{
-  unsigned long a, d;
-  asm volatile ("rdtscp" : "=a" (a), "=d" (d) : : "ecx");
-  return (((unsigned long)d << 32) | (unsigned long)a) - tsc;
-}
-// ==============
-
-
-unsigned long test_netdata_internal(void) {
-	static procfile *ff = NULL;
-
-	ff = procfile_reopen(ff, "/proc/self/status", " \t:,-()/", PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
-	if(!ff) {
-		fprintf(stderr, "Failed to open filename\n");
-		exit(1);
-	}
-
-	begin_tsc();
-	ff = procfile_readall(ff);
-	unsigned long c = end_tsc();
-
-	if(!ff) {
-		fprintf(stderr, "Failed to read filename\n");
-		exit(1);
-	}
-
-	return c;
-}
-
-unsigned long test_method1(void) {
-	static procfile *ff = NULL;
-
-	ff = procfile_reopen(ff, "/proc/self/status", " \t:,-()/", PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
-	if(!ff) {
-		fprintf(stderr, "Failed to open filename\n");
-		exit(1);
-	}
-
-	begin_tsc();
-	ff = procfile_readall1(ff);
-	unsigned long c = end_tsc();
-
-	if(!ff) {
-		fprintf(stderr, "Failed to read filename\n");
-		exit(1);
-	}
-
-	return c;
-}
-
-//--- Test
-int main(int argc, char **argv)
-{
-	(void)argc; (void)argv;
-
-	int i, max = 1000000;
-
-	unsigned long c1 = 0;
-	test_netdata_internal();
-	for(i = 0; i < max ; i++)
-		c1 += test_netdata_internal();
-
-	unsigned long c2 = 0;
-	test_method1();
-	for(i = 0; i < max ; i++)
-		c2 += test_method1();
-
-	printf("netdata internal: completed in %lu cycles, %lu cycles per read, %0.2f %%.\n", c1, c1 / max, (float)c1 * 100.0 / (float)c1);
-	printf("method1         : completed in %lu cycles, %lu cycles per read, %0.2f %%.\n", c2, c2 / max, (float)c2 * 100.0 / (float)c1);
-
-	return 0;
-}
diff --git a/tests/profile/benchmark-registry.c b/tests/profile/benchmark-registry.c
deleted file mode 100644
index cfed6d7c8..000000000
--- a/tests/profile/benchmark-registry.c
+++ /dev/null
@@ -1,227 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-
-/*
- * compile with
- *  gcc -O1 -ggdb -Wall -Wextra -I ../src/ -I ../ -o benchmark-registry benchmark-registry.c ../src/dictionary.o ../src/log.o ../src/avl.o ../src/common.o ../src/appconfig.o ../src/web_buffer.o ../src/storage_number.o ../src/rrd.o ../src/health.o -pthread -luuid -lm -DHAVE_CONFIG_H -DVARLIB_DIR="\"/tmp\""
- */
-
-char *hostname = "me";
-
-#include "../src/registry.c"
-
-void netdata_cleanup_and_exit(int ret) { exit(ret); }
-
-// ----------------------------------------------------------------------------
-// TESTS
-
-int test1(int argc, char **argv) {
-
-	void print_stats(uint32_t requests, unsigned long long start, unsigned long long end) {
-		fprintf(stderr, " > SPEED: %u requests served in %0.2f seconds ( >>> %llu per second <<< )\n",
-				requests, (end-start) / 1000000.0, (unsigned long long)requests * 1000000ULL / (end-start));
-
-		fprintf(stderr, " > DB   : persons %llu, machines %llu, unique URLs %llu, accesses %llu, URLs: for persons %llu, for machines %llu\n",
-				registry.persons_count, registry.machines_count, registry.urls_count, registry.usages_count,
-				registry.persons_urls_count, registry.machines_urls_count);
-	}
-
-	(void) argc;
-	(void) argv;
-
-	uint32_t u, users = 1000000;
-	uint32_t m, machines = 200000;
-	uint32_t machines2 = machines * 2;
-
-	char **users_guids = malloc(users * sizeof(char *));
-	char **machines_guids = malloc(machines2 * sizeof(char *));
-	char **machines_urls = malloc(machines2 * sizeof(char *));
-	unsigned long long start;
-
-	registry_init();
-
-	fprintf(stderr, "Generating %u machine guids\n", machines2);
-	for(m = 0; m < machines2 ;m++) {
-		uuid_t uuid;
-		machines_guids[m] = malloc(36+1);
-		uuid_generate(uuid);
-		uuid_unparse(uuid, machines_guids[m]);
-
-		char buf[FILENAME_MAX + 1];
-		snprintfz(buf, FILENAME_MAX, "http://%u.netdata.rocks/", m+1);
-		machines_urls[m] = strdup(buf);
-
-		// fprintf(stderr, "\tmachine %u: '%s', url: '%s'\n", m + 1, machines_guids[m], machines_urls[m]);
-	}
-
-	start = timems();
-	fprintf(stderr, "\nGenerating %u users accessing %u machines\n", users, machines);
-	m = 0;
-	time_t now = time(NULL);
-	for(u = 0; u < users ; u++) {
-		if(++m == machines) m = 0;
-
-		PERSON *p = registry_request_access(NULL, machines_guids[m], machines_urls[m], "test", now);
-		users_guids[u] = p->guid;
-	}
-	print_stats(u, start, timems());
-
-	start = timems();
-	fprintf(stderr, "\nAll %u users accessing again the same %u servers\n", users, machines);
-	m = 0;
-	now = time(NULL);
-	for(u = 0; u < users ; u++) {
-		if(++m == machines) m = 0;
-
-		PERSON *p = registry_request_access(users_guids[u], machines_guids[m], machines_urls[m], "test", now);
-
-		if(p->guid != users_guids[u])
-			fprintf(stderr, "ERROR: expected to get user guid '%s' but git '%s'", users_guids[u], p->guid);
-	}
-	print_stats(u, start, timems());
-
-	start = timems();
-	fprintf(stderr, "\nAll %u users accessing a new server, out of the %u servers\n", users, machines);
-	m = 1;
-	now = time(NULL);
-	for(u = 0; u < users ; u++) {
-		if(++m == machines) m = 0;
-
-		PERSON *p = registry_request_access(users_guids[u], machines_guids[m], machines_urls[m], "test", now);
-
-		if(p->guid != users_guids[u])
-			fprintf(stderr, "ERROR: expected to get user guid '%s' but git '%s'", users_guids[u], p->guid);
-	}
-	print_stats(u, start, timems());
-
-	start = timems();
-	fprintf(stderr, "\n%u random users accessing a random server, out of the %u servers\n", users, machines);
-	now = time(NULL);
-	for(u = 0; u < users ; u++) {
-		uint32_t tu = random() * users / RAND_MAX;
-		uint32_t tm = random() * machines / RAND_MAX;
-
-		PERSON *p = registry_request_access(users_guids[tu], machines_guids[tm], machines_urls[tm], "test", now);
-
-		if(p->guid != users_guids[tu])
-			fprintf(stderr, "ERROR: expected to get user guid '%s' but git '%s'", users_guids[tu], p->guid);
-	}
-	print_stats(u, start, timems());
-
-	start = timems();
-	fprintf(stderr, "\n%u random users accessing a random server, out of %u servers\n", users, machines2);
-	now = time(NULL);
-	for(u = 0; u < users ; u++) {
-		uint32_t tu = random() * users / RAND_MAX;
-		uint32_t tm = random() * machines2 / RAND_MAX;
-
-		PERSON *p = registry_request_access(users_guids[tu], machines_guids[tm], machines_urls[tm], "test", now);
-
-		if(p->guid != users_guids[tu])
-			fprintf(stderr, "ERROR: expected to get user guid '%s' but git '%s'", users_guids[tu], p->guid);
-	}
-	print_stats(u, start, timems());
-
-	for(m = 0; m < 10; m++) {
-		start = timems();
-		fprintf(stderr,
-				"\n%u random user accesses to a random server, out of %u servers,\n > using 1/10000 with a random url, 1/1000 with a mismatched url\n",
-				users * 2, machines2);
-		now = time(NULL);
-		for (u = 0; u < users * 2; u++) {
-			uint32_t tu = random() * users / RAND_MAX;
-			uint32_t tm = random() * machines2 / RAND_MAX;
-
-			char *url = machines_urls[tm];
-			char buf[FILENAME_MAX + 1];
-			if (random() % 10000 == 1234) {
-				snprintfz(buf, FILENAME_MAX, "http://random.%ld.netdata.rocks/", random());
-				url = buf;
-			}
-			else if (random() % 1000 == 123)
-				url = machines_urls[random() * machines2 / RAND_MAX];
-
-			PERSON *p = registry_request_access(users_guids[tu], machines_guids[tm], url, "test", now);
-
-			if (p->guid != users_guids[tu])
-				fprintf(stderr, "ERROR: expected to get user guid '%s' but git '%s'", users_guids[tu], p->guid);
-		}
-		print_stats(u, start, timems());
-	}
-
-	fprintf(stderr, "\n\nSAVE\n");
-	start = timems();
-	registry_save();
-	print_stats(registry.persons_count, start, timems());
-
-	fprintf(stderr, "\n\nCLEANUP\n");
-	start = timems();
-	registry_free();
-	print_stats(registry.persons_count, start, timems());
-	return 0;
-}
-
-// ----------------------------------------------------------------------------
-// TESTING
-
-int main(int argc, char **argv) {
-	config_set_boolean("registry", "enabled", 1);
-
-	//debug_flags = 0xFFFFFFFF;
-	test1(argc, argv);
-	exit(0);
-
-	(void)argc;
-	(void)argv;
-
-
-	PERSON *p1, *p2;
-
-	fprintf(stderr, "\n\nINITIALIZATION\n");
-
-	registry_init();
-
-	int i = 2;
-
-	fprintf(stderr, "\n\nADDING ENTRY\n");
-	p1 = registry_request_access("2c95abd0-1542-11e6-8c66-00508db7e9c9", "7c173980-145c-11e6-b86f-00508db7e9c1", "http://localhost:19999/", "test", time(NULL));
-
-	if(0)
-	while(i--) {
-#ifdef REGISTRY_STDOUT_DUMP
-		fprintf(stderr, "\n\nADDING ENTRY\n");
-#endif /* REGISTRY_STDOUT_DUMP */
-		p1 = registry_request_access(NULL, "7c173980-145c-11e6-b86f-00508db7e9c1", "http://localhost:19999/", "test", time(NULL));
-
-#ifdef REGISTRY_STDOUT_DUMP
-		fprintf(stderr, "\n\nADDING ANOTHER URL\n");
-#endif /* REGISTRY_STDOUT_DUMP */
-		p1 = registry_request_access(p1->guid, "7c173980-145c-11e6-b86f-00508db7e9c1", "http://127.0.0.1:19999/", "test", time(NULL));
-
-#ifdef REGISTRY_STDOUT_DUMP
-		fprintf(stderr, "\n\nADDING ANOTHER URL\n");
-#endif /* REGISTRY_STDOUT_DUMP */
-		p1 = registry_request_access(p1->guid, "7c173980-145c-11e6-b86f-00508db7e9c1", "http://my.server:19999/", "test", time(NULL));
-
-#ifdef REGISTRY_STDOUT_DUMP
-		fprintf(stderr, "\n\nADDING ANOTHER MACHINE\n");
-#endif /* REGISTRY_STDOUT_DUMP */
-		p1 = registry_request_access(p1->guid, "7c173980-145c-11e6-b86f-00508db7e9c1", "http://my.server:19999/", "test", time(NULL));
-
-#ifdef REGISTRY_STDOUT_DUMP
-		fprintf(stderr, "\n\nADDING ANOTHER PERSON\n");
-#endif /* REGISTRY_STDOUT_DUMP */
-		p2 = registry_request_access(NULL, "7c173980-145c-11e6-b86f-00508db7e9c3", "http://localhost:19999/", "test", time(NULL));
-
-#ifdef REGISTRY_STDOUT_DUMP
-		fprintf(stderr, "\n\nADDING ANOTHER MACHINE\n");
-#endif /* REGISTRY_STDOUT_DUMP */
-		p2 = registry_request_access(p2->guid, "7c173980-145c-11e6-b86f-00508db7e9c3", "http://localhost:19999/", "test", time(NULL));
-	}
-
-	fprintf(stderr, "\n\nSAVE\n");
-	registry_save();
-
-	fprintf(stderr, "\n\nCLEANUP\n");
-	registry_free();
-	return 0;
-}
diff --git a/tests/profile/benchmark-value-pairs.c b/tests/profile/benchmark-value-pairs.c
deleted file mode 100644
index ae4f53c3a..000000000
--- a/tests/profile/benchmark-value-pairs.c
+++ /dev/null
@@ -1,623 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-
-#include "config.h"
-#include "libnetdata/libnetdata.h"
-
-#ifdef simple_hash
-#undef simple_hash
-#endif
-
-void netdata_cleanup_and_exit(int ret) {
-    exit(ret);
-}
-
-#define simple_hash(name) ({                                         \
-    register unsigned char *__hash_source = (unsigned char *)(name); \
-    register uint32_t __hash_value = 0x811c9dc5;                     \
-    while (*__hash_source) {                                         \
-        __hash_value *= 16777619;                                    \
-        __hash_value ^= (uint32_t) *__hash_source++;                 \
-    }                                                                \
-    __hash_value;                                                    \
-})
-
-static inline uint32_t simple_hash2(const char *name) {
-    register unsigned char *s = (unsigned char *)name;
-    register uint32_t hval = 0x811c9dc5;
-    while (*s) {
-        hval *= 16777619;
-        hval ^= (uint32_t) *s++;
-    }
-    return hval;
-}
-
-static inline unsigned long long fast_strtoull(const char *s) {
-  register unsigned long long n = 0;
-  register char c;
-  for(c = *s; c >= '0' && c <= '9' ; c = *(++s)) {
-    n *= 10;
-    n += c - '0';
-    // n = (n << 1) + (n << 3) + (c - '0');
-  }
-  return n;
-}
-
-static uint32_t cache_hash = 0;
-static uint32_t rss_hash = 0;
-static uint32_t rss_huge_hash = 0;
-static uint32_t mapped_file_hash = 0;
-static uint32_t writeback_hash = 0;
-static uint32_t dirty_hash = 0;
-static uint32_t swap_hash = 0;
-static uint32_t pgpgin_hash = 0;
-static uint32_t pgpgout_hash = 0;
-static uint32_t pgfault_hash = 0;
-static uint32_t pgmajfault_hash = 0;
-static uint32_t inactive_anon_hash = 0;
-static uint32_t active_anon_hash = 0;
-static uint32_t inactive_file_hash = 0;
-static uint32_t active_file_hash = 0;
-static uint32_t unevictable_hash = 0;
-static uint32_t hierarchical_memory_limit_hash = 0;
-static uint32_t total_cache_hash = 0;
-static uint32_t total_rss_hash = 0;
-static uint32_t total_rss_huge_hash = 0;
-static uint32_t total_mapped_file_hash = 0;
-static uint32_t total_writeback_hash = 0;
-static uint32_t total_dirty_hash = 0;
-static uint32_t total_swap_hash = 0;
-static uint32_t total_pgpgin_hash = 0;
-static uint32_t total_pgpgout_hash = 0;
-static uint32_t total_pgfault_hash = 0;
-static uint32_t total_pgmajfault_hash = 0;
-static uint32_t total_inactive_anon_hash = 0;
-static uint32_t total_active_anon_hash = 0;
-static uint32_t total_inactive_file_hash = 0;
-static uint32_t total_active_file_hash = 0;
-static uint32_t total_unevictable_hash = 0;
-
-unsigned long long values1[50] = { 0 };
-unsigned long long values2[50] = { 0 };
-unsigned long long values3[50] = { 0 };
-unsigned long long values4[50] = { 0 };
-unsigned long long values5[50] = { 0 };
-unsigned long long values6[50] = { 0 };
-unsigned long long values7[50] = { 0 };
-unsigned long long values8[50] = { 0 };
-unsigned long long values9[50] = { 0 };
-
-struct pair {
-    const char *name;
-    const char *value;
-    uint32_t hash;
-    unsigned long long *collected8;
-    unsigned long long *collected9;
-} pairs[] = {
-        { "cache",                      "12345678901234", 0, &values8[0]  ,&values9[0] },
-        { "rss",                        "23456789012345", 0, &values8[1]  ,&values9[1] },
-        { "rss_huge",                   "34567890123456", 0, &values8[2]  ,&values9[2] },
-        { "mapped_file",                "45678901234567", 0, &values8[3]  ,&values9[3] },
-        { "writeback",                  "56789012345678", 0, &values8[4]  ,&values9[4] },
-        { "dirty",                      "67890123456789", 0, &values8[5]  ,&values9[5] },
-        { "swap",                       "78901234567890", 0, &values8[6]  ,&values9[6] },
-        { "pgpgin",                     "89012345678901", 0, &values8[7]  ,&values9[7] },
-        { "pgpgout",                    "90123456789012", 0, &values8[8]  ,&values9[8] },
-        { "pgfault",                    "10345678901234", 0, &values8[9]  ,&values9[9] },
-        { "pgmajfault",                 "11456789012345", 0, &values8[10] ,&values9[10] },
-        { "inactive_anon",              "12000000000000", 0, &values8[11] ,&values9[11] },
-        { "active_anon",                "13345678901234", 0, &values8[12] ,&values9[12] },
-        { "inactive_file",              "14345678901234", 0, &values8[13] ,&values9[13] },
-        { "active_file",                "15345678901234", 0, &values8[14] ,&values9[14] },
-        { "unevictable",                "16345678901234", 0, &values8[15] ,&values9[15] },
-        { "hierarchical_memory_limit",  "17345678901234", 0, &values8[16] ,&values9[16] },
-        { "total_cache",                "18345678901234", 0, &values8[17] ,&values9[17] },
-        { "total_rss",                  "19345678901234", 0, &values8[18] ,&values9[18] },
-        { "total_rss_huge",             "20345678901234", 0, &values8[19] ,&values9[19] },
-        { "total_mapped_file",          "21345678901234", 0, &values8[20] ,&values9[20] },
-        { "total_writeback",            "22345678901234", 0, &values8[21] ,&values9[21] },
-        { "total_dirty",                "23000000000000", 0, &values8[22] ,&values9[22] },
-        { "total_swap",                 "24345678901234", 0, &values8[23] ,&values9[23] },
-        { "total_pgpgin",               "25345678901234", 0, &values8[24] ,&values9[24] },
-        { "total_pgpgout",              "26345678901234", 0, &values8[25] ,&values9[25] },
-        { "total_pgfault",              "27345678901234", 0, &values8[26] ,&values9[26] },
-        { "total_pgmajfault",           "28345678901234", 0, &values8[27] ,&values9[27] },
-        { "total_inactive_anon",        "29345678901234", 0, &values8[28] ,&values9[28] },
-        { "total_active_anon",          "30345678901234", 0, &values8[29] ,&values9[29] },
-        { "total_inactive_file",        "31345678901234", 0, &values8[30] ,&values9[30] },
-        { "total_active_file",          "32345678901234", 0, &values8[31] ,&values9[31] },
-        { "total_unevictable",          "33345678901234", 0, &values8[32] ,&values9[32] },
-        { NULL,                         NULL            , 0, NULL         ,NULL         }
-};
-
-// simple system strcmp()
-void test1() {
-  int i;
-  for(i = 0; pairs[i].name ; i++) {
-    const char *s = pairs[i].name;
-    const char *v = pairs[i].value;
-
-    if(unlikely(!strcmp(s, "cache")))
-      values1[i] = strtoull(v, NULL, 10);
-
-    else if(unlikely(!strcmp(s, "rss")))
-      values1[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(!strcmp(s, "rss_huge")))
-      values1[i] = strtoull(v, NULL, 10);
-  
-    else if(unlikely(!strcmp(s, "mapped_file")))
-      values1[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(!strcmp(s, "writeback")))
-      values1[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(!strcmp(s, "dirty")))
-      values1[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(!strcmp(s, "swap")))
-      values1[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(!strcmp(s, "pgpgin")))
-      values1[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(!strcmp(s, "pgpgout")))
-      values1[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(!strcmp(s, "pgfault")))
-      values1[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(!strcmp(s, "pgmajfault")))
-      values1[i] = strtoull(v, NULL, 10);
-  }
-}
-
-// inline simple_hash() with system strtoull()
-void test2() {
-    int i;
-    for(i = 0; pairs[i].name ; i++) {
-        const char *s = pairs[i].name;
-        const char *v = pairs[i].value;
-
-    uint32_t hash = simple_hash2(s);
-
-    if(unlikely(hash == cache_hash && !strcmp(s, "cache")))
-      values2[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(hash == rss_hash && !strcmp(s, "rss")))
-      values2[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(hash == rss_huge_hash && !strcmp(s, "rss_huge")))
-      values2[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(hash == mapped_file_hash && !strcmp(s, "mapped_file")))
-      values2[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(hash == writeback_hash && !strcmp(s, "writeback")))
-      values2[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(hash == dirty_hash && !strcmp(s, "dirty")))
-      values2[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(hash == swap_hash && !strcmp(s, "swap")))
-      values2[i] = strtoull(v, NULL, 10);
-  
-    else if(unlikely(hash == pgpgin_hash && !strcmp(s, "pgpgin")))
-      values2[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(hash == pgpgout_hash && !strcmp(s, "pgpgout")))
-      values2[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(hash == pgfault_hash && !strcmp(s, "pgfault")))
-      values2[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(hash == pgmajfault_hash && !strcmp(s, "pgmajfault")))
-      values2[i] = strtoull(v, NULL, 10);
-  }
-}
-
-// statement expression simple_hash(), system strtoull()
-void test3() {
-    int i;
-    for(i = 0; pairs[i].name ; i++) {
-        const char *s = pairs[i].name;
-        const char *v = pairs[i].value;
-
-    uint32_t hash = simple_hash(s);
-
-    if(unlikely(hash == cache_hash && !strcmp(s, "cache")))
-      values3[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(hash == rss_hash && !strcmp(s, "rss")))
-      values3[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(hash == rss_huge_hash && !strcmp(s, "rss_huge")))
-      values3[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(hash == mapped_file_hash && !strcmp(s, "mapped_file")))
-      values3[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(hash == writeback_hash && !strcmp(s, "writeback")))
-      values3[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(hash == dirty_hash && !strcmp(s, "dirty")))
-      values3[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(hash == swap_hash && !strcmp(s, "swap")))
-      values3[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(hash == pgpgin_hash && !strcmp(s, "pgpgin")))
-      values3[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(hash == pgpgout_hash && !strcmp(s, "pgpgout")))
-      values3[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(hash == pgfault_hash && !strcmp(s, "pgfault")))
-      values3[i] = strtoull(v, NULL, 10);
-    
-    else if(unlikely(hash == pgmajfault_hash && !strcmp(s, "pgmajfault")))
-      values3[i] = strtoull(v, NULL, 10);
-  }
-}
-
-
-// inline simple_hash(), if-continue checks
-void test4() {
-    int i;
-    for(i = 0; pairs[i].name ; i++) {
-        const char *s = pairs[i].name;
-        const char *v = pairs[i].value;
-
-    uint32_t hash = simple_hash2(s);
-
-    if(unlikely(hash == cache_hash && !strcmp(s, "cache"))) {
-      values4[i] = strtoull(v, NULL, 0);
-      continue;
-    }
-
-    if(unlikely(hash == rss_hash && !strcmp(s, "rss"))) {
-      values4[i] = strtoull(v, NULL, 0);
-      continue;
-    }
-    
-    if(unlikely(hash == rss_huge_hash && !strcmp(s, "rss_huge"))) {
-      values4[i] = strtoull(v, NULL, 0);
-      continue;
-    }
-    
-    if(unlikely(hash == mapped_file_hash && !strcmp(s, "mapped_file"))) {
-      values4[i] = strtoull(v, NULL, 0);
-      continue;
-    }
-    
-    if(unlikely(hash == writeback_hash && !strcmp(s, "writeback"))) {
-      values4[i] = strtoull(v, NULL, 0);
-      continue;
-    }
-    
-    if(unlikely(hash == dirty_hash && !strcmp(s, "dirty"))) {
-      values4[i] = strtoull(v, NULL, 0);
-      continue;
-    }
-    
-    if(unlikely(hash == swap_hash && !strcmp(s, "swap"))) {
-      values4[i] = strtoull(v, NULL, 0);
-      continue;
-    }
-    
-    if(unlikely(hash == pgpgin_hash && !strcmp(s, "pgpgin"))) {
-      values4[i] = strtoull(v, NULL, 0);
-      continue;
-    }
-    
-    if(unlikely(hash == pgpgout_hash && !strcmp(s, "pgpgout"))) {
-      values4[i] = strtoull(v, NULL, 0);
-      continue;
-    }
-    
-    if(unlikely(hash == pgfault_hash && !strcmp(s, "pgfault"))) {
-      values4[i] = strtoull(v, NULL, 0);
-      continue;
-    }
-    
-    if(unlikely(hash == pgmajfault_hash && !strcmp(s, "pgmajfault"))) {
-      values4[i] = strtoull(v, NULL, 0);
-      continue;
-    }
-  }
-}
-
-// inline simple_hash(), if-else-if-else-if (netdata default)
-void test5() {
-    int i;
-    for(i = 0; pairs[i].name ; i++) {
-        const char *s = pairs[i].name;
-        const char *v = pairs[i].value;
-
-    uint32_t hash = simple_hash2(s);
-
-    if(unlikely(hash == cache_hash && !strcmp(s, "cache")))
-      values5[i] = fast_strtoull(v);
-    
-    else if(unlikely(hash == rss_hash && !strcmp(s, "rss")))
-      values5[i] = fast_strtoull(v);
-    
-    else if(unlikely(hash == rss_huge_hash && !strcmp(s, "rss_huge")))
-      values5[i] = fast_strtoull(v);
-    
-    else if(unlikely(hash == mapped_file_hash && !strcmp(s, "mapped_file")))
-      values5[i] = fast_strtoull(v);
-    
-    else if(unlikely(hash == writeback_hash && !strcmp(s, "writeback")))
-      values5[i] = fast_strtoull(v);
-    
-    else if(unlikely(hash == dirty_hash && !strcmp(s, "dirty")))
-      values5[i] = fast_strtoull(v);
-    
-    else if(unlikely(hash == swap_hash && !strcmp(s, "swap")))
-      values5[i] = fast_strtoull(v);
-  
-    else if(unlikely(hash == pgpgin_hash && !strcmp(s, "pgpgin")))
-      values5[i] = fast_strtoull(v);
-    
-    else if(unlikely(hash == pgpgout_hash && !strcmp(s, "pgpgout")))
-      values5[i] = fast_strtoull(v);
-    
-    else if(unlikely(hash == pgfault_hash && !strcmp(s, "pgfault")))
-      values5[i] = fast_strtoull(v);
-    
-    else if(unlikely(hash == pgmajfault_hash && !strcmp(s, "pgmajfault")))
-      values5[i] = fast_strtoull(v);
-  }
-}
-
-// ----------------------------------------------------------------------------
-
-void arl_strtoull(const char *name, uint32_t hash, const char *value, void *dst) {
-    (void)name;
-    (void)hash;
-
-    register unsigned long long *d = dst;
-    *d = strtoull(value, NULL, 10);
-    // fprintf(stderr, "name '%s' with hash %u and value '%s' is %llu\n", name, hash, value, *d);
-}
-
-void test6() {
-    static ARL_BASE *base = NULL;
-
-    if(unlikely(!base)) {
-        base = arl_create("test6", arl_strtoull, 60);
-        arl_expect_custom(base, "cache",       NULL, &values6[0]);
-        arl_expect_custom(base, "rss",         NULL, &values6[1]);
-        arl_expect_custom(base, "rss_huge",    NULL, &values6[2]);
-        arl_expect_custom(base, "mapped_file", NULL, &values6[3]);
-        arl_expect_custom(base, "writeback",   NULL, &values6[4]);
-        arl_expect_custom(base, "dirty",       NULL, &values6[5]);
-        arl_expect_custom(base, "swap",        NULL, &values6[6]);
-        arl_expect_custom(base, "pgpgin",      NULL, &values6[7]);
-        arl_expect_custom(base, "pgpgout",     NULL, &values6[8]);
-        arl_expect_custom(base, "pgfault",     NULL, &values6[9]);
-        arl_expect_custom(base, "pgmajfault",  NULL, &values6[10]);
-    }
-
-    arl_begin(base);
-
-    int i;
-    for(i = 0; pairs[i].name ; i++)
-        if(arl_check(base, pairs[i].name, pairs[i].value)) break;
-}
-
-void arl_str2ull(const char *name, uint32_t hash, const char *value, void *dst) {
-    (void)name;
-    (void)hash;
-
-    register unsigned long long *d = dst;
-    *d = str2ull(value);
-    // fprintf(stderr, "name '%s' with hash %u and value '%s' is %llu\n", name, hash, value, *d);
-}
-
-void test7() {
-    static ARL_BASE *base = NULL;
-
-    if(unlikely(!base)) {
-        base = arl_create("test7", arl_str2ull, 60);
-        arl_expect_custom(base, "cache",       NULL, &values7[0]);
-        arl_expect_custom(base, "rss",         NULL, &values7[1]);
-        arl_expect_custom(base, "rss_huge",    NULL, &values7[2]);
-        arl_expect_custom(base, "mapped_file", NULL, &values7[3]);
-        arl_expect_custom(base, "writeback",   NULL, &values7[4]);
-        arl_expect_custom(base, "dirty",       NULL, &values7[5]);
-        arl_expect_custom(base, "swap",        NULL, &values7[6]);
-        arl_expect_custom(base, "pgpgin",      NULL, &values7[7]);
-        arl_expect_custom(base, "pgpgout",     NULL, &values7[8]);
-        arl_expect_custom(base, "pgfault",     NULL, &values7[9]);
-        arl_expect_custom(base, "pgmajfault",  NULL, &values7[10]);
-    }
-
-    arl_begin(base);
-
-    int i;
-    for(i = 0; pairs[i].name ; i++)
-        if(arl_check(base, pairs[i].name, pairs[i].value)) break;
-}
-
-void test8() {
-    int i;
-    for(i = 0; pairs[i].name; i++) {
-        uint32_t hash = simple_hash(pairs[i].name);
-
-        int j;
-        for(j = 0; pairs[j].name; j++) {
-            if(hash == pairs[j].hash && !strcmp(pairs[i].name, pairs[j].name)) {
-                *pairs[j].collected8 = strtoull(pairs[i].value, NULL, 10);
-                break;
-            }
-        }
-    }
-}
-
-void test9() {
-    int i;
-    for(i = 0; pairs[i].name; i++) {
-        uint32_t hash = simple_hash(pairs[i].name);
-
-        int j;
-        for(j = 0; pairs[j].name; j++) {
-            if(hash == pairs[j].hash && !strcmp(pairs[i].name, pairs[j].name)) {
-                *pairs[j].collected9 = str2ull(pairs[i].value);
-                break;
-            }
-        }
-    }
-}
-
-// ----------------------------------------------------------------------------
-
-/*
-// ==============
-// --- Poor man cycle counting.
-static unsigned long tsc;
-
-static void begin_tsc(void)
-{
-  unsigned long a, d;
-  asm volatile ("cpuid\nrdtsc" : "=a" (a), "=d" (d) : "0" (0) : "ebx", "ecx");
-  tsc = ((unsigned long)d << 32) | (unsigned long)a;
-}
-
-static unsigned long end_tsc(void)
-{
-  unsigned long a, d;
-  asm volatile ("rdtscp" : "=a" (a), "=d" (d) : : "ecx");
-  return (((unsigned long)d << 32) | (unsigned long)a) - tsc;
-}
-// ===============
-*/
-
-static unsigned long long clk;
-
-static void begin_clock() {
-    struct timeval tv;
-    if(unlikely(gettimeofday(&tv, NULL) == -1))
-        return;
-    clk = tv.tv_sec  * 1000000 + tv.tv_usec;
-}
-
-static unsigned long long end_clock() {
-    struct timeval tv;
-    if(unlikely(gettimeofday(&tv, NULL) == -1))
-        return -1;
-    return clk = tv.tv_sec  * 1000000 + tv.tv_usec - clk;
-}
-
-int main(void)
-{
-    {
-        int i;
-        for(i = 0; pairs[i].name; i++)
-            pairs[i].hash = simple_hash(pairs[i].name);
-    }
-
-    cache_hash = simple_hash("cache");
-    rss_hash = simple_hash("rss");
-    rss_huge_hash = simple_hash("rss_huge");
-    mapped_file_hash = simple_hash("mapped_file");
-    writeback_hash = simple_hash("writeback");
-    dirty_hash = simple_hash("dirty");
-    swap_hash = simple_hash("swap");
-    pgpgin_hash = simple_hash("pgpgin");
-    pgpgout_hash = simple_hash("pgpgout");
-    pgfault_hash = simple_hash("pgfault");
-    pgmajfault_hash = simple_hash("pgmajfault");
-    inactive_anon_hash = simple_hash("inactive_anon");
-    active_anon_hash = simple_hash("active_anon");
-    inactive_file_hash = simple_hash("inactive_file");
-    active_file_hash = simple_hash("active_file");
-    unevictable_hash = simple_hash("unevictable");
-    hierarchical_memory_limit_hash = simple_hash("hierarchical_memory_limit");
-    total_cache_hash = simple_hash("total_cache");
-    total_rss_hash = simple_hash("total_rss");
-    total_rss_huge_hash = simple_hash("total_rss_huge");
-    total_mapped_file_hash = simple_hash("total_mapped_file");
-    total_writeback_hash = simple_hash("total_writeback");
-    total_dirty_hash = simple_hash("total_dirty");
-    total_swap_hash = simple_hash("total_swap");
-    total_pgpgin_hash = simple_hash("total_pgpgin");
-    total_pgpgout_hash = simple_hash("total_pgpgout");
-    total_pgfault_hash = simple_hash("total_pgfault");
-    total_pgmajfault_hash = simple_hash("total_pgmajfault");
-    total_inactive_anon_hash = simple_hash("total_inactive_anon");
-    total_active_anon_hash = simple_hash("total_active_anon");
-    total_inactive_file_hash = simple_hash("total_inactive_file");
-    total_active_file_hash = simple_hash("total_active_file");
-    total_unevictable_hash = simple_hash("total_unevictable");
-
-    // cache functions
-    (void)simple_hash2("hello world");
-    (void)strcmp("1", "2");
-    (void)strtoull("123", NULL, 0);
-
-  unsigned long i, c1 = 0, c2 = 0, c3 = 0, c4 = 0, c5 = 0, c6 = 0, c7 = 0, c8 = 0, c9 = 0;
-  unsigned long max = 1000000;
-
-  begin_clock();
-  for(i = 0; i <= max ;i++) test1();
-  c1 = end_clock();
-
-  begin_clock();
-  for(i = 0; i <= max ;i++) test2();
-  c2 = end_clock();
-    
-  begin_clock();
-  for(i = 0; i <= max ;i++) test3();
-  c3 = end_clock();
-
-  begin_clock();
-  for(i = 0; i <= max ;i++) test4();
-  c4 = end_clock();
-
-  begin_clock();
-  for(i = 0; i <= max ;i++) test5();
-  c5 = end_clock();
-
-    begin_clock();
-    for(i = 0; i <= max ;i++) test6();
-    c6 = end_clock();
-
-    begin_clock();
-    for(i = 0; i <= max ;i++) test7();
-    c7 = end_clock();
-
-    begin_clock();
-    for(i = 0; i <= max ;i++) test8();
-    c8 = end_clock();
-
-    begin_clock();
-    for(i = 0; i <= max ;i++) test9();
-    c9 = end_clock();
-
-    for(i = 0; i < 11 ; i++)
-        printf("value %lu: %llu %llu %llu %llu %llu %llu %llu %llu %llu\n", i, values1[i], values2[i], values3[i], values4[i], values5[i], values6[i], values7[i], values8[i], values9[i]);
-  
-  printf("\n\nRESULTS\n");
-  printf("test1() [1] in %lu usecs: simple system strcmp().\n"
-         "test2() [4] in %lu usecs: inline simple_hash() with system strtoull().\n"
-         "test3() [5] in %lu usecs: statement expression simple_hash(), system strtoull().\n"
-         "test4() [6] in %lu usecs: inline simple_hash(), if-continue checks.\n"
-         "test5() [7] in %lu usecs: inline simple_hash(), if-else-if-else-if (netdata default prior to ARL).\n"
-         "test6() [8] in %lu usecs: adaptive re-sortable array with strtoull() (wow!)\n"
-         "test7() [9] in %lu usecs: adaptive re-sortable array with str2ull() (wow!)\n"
-         "test8() [2] in %lu usecs: nested loop with strtoull()\n"
-         "test9() [3] in %lu usecs: nested loop with str2ull()\n"
-         , c1
-         , c2
-         , c3
-         , c4
-         , c5
-         , c6
-         , c7
-         , c8
-         , c9
-         );
-
-  return 0;
-}
diff --git a/tests/profile/statsd-stress.c b/tests/profile/statsd-stress.c
deleted file mode 100644
index 435d58d5c..000000000
--- a/tests/profile/statsd-stress.c
+++ /dev/null
@@ -1,151 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-#include <stdlib.h>
-#include <arpa/inet.h>
-#include <netinet/in.h>
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <unistd.h>
-#include <string.h>
-#include <time.h>
-#include <pthread.h>
-
-void diep(char *s)
-{
-	perror(s);
-	exit(1);
-}
-
-size_t run_threads = 1;
-size_t metrics = 1024;
-
-#define SERVER_IP "127.0.0.1"
-#define PORT 8125
-
-size_t myrand(size_t max) {
-	size_t loops = max / RAND_MAX;
-	size_t i;
-
-	size_t ret = rand();
-	for(i = 0; i < loops ;i++)
-		ret += rand();
-
-	return ret % max;
-}
-
-struct thread_data {
-	size_t id;
-	struct sockaddr_in *si_other;
-	int slen;
-	size_t counter;
-};
-
-static void *report_thread(void *__data) {
-	struct thread_data *data = (struct thread_data *)__data;
-
-	size_t last = 0;
-	for (;;) {
-		size_t i;
-		size_t total = 0;
-		for(i = 0; i < run_threads ;i++)
-			total += data[i].counter;
-
-		printf("%zu metrics/s\n", total-last);
-		last = total;
-
-		sleep(1);
-		printf("\033[F\033[J");
-	}
-
-	return NULL;
-}
-
-char *types[] = {"g", "c", "m", "ms", "h", "s", NULL};
-// char *types[] = {"g", "c", "C", "h", "ms", NULL}; // brubeck compatible
-
-static void *spam_thread(void *__data) {
-	struct thread_data *data = (struct thread_data *)__data;
-
-	int s;
-	char packet[1024];
-
-	if ((s = socket(AF_INET, SOCK_DGRAM, 0))==-1)
-		diep("socket");
-
-	char **packets = malloc(sizeof(char *) * metrics);
-	size_t i, *lengths = malloc(sizeof(size_t) * metrics);
-	size_t t;
-
-	for(i = 0, t = 0; i < metrics ;i++, t++) {
-		if(!types[t]) t = 0;
-		char *type = types[t];
-
-		lengths[i] = sprintf(packet, "stress.%s.t%zu.m%zu:%zu|%s", type, data->id, i, myrand(metrics), type);
-		packets[i] = strdup(packet);
-		// printf("packet %zu, of length %zu: '%s'\n", i, lengths[i], packets[i]);
-	}
-	//printf("\n");
-
-	for (;;) {
-		for(i = 0; i < metrics ;i++) {
-			if (sendto(s, packets[i], lengths[i], 0, (void *)data->si_other, data->slen) < 0) {
-				printf("C ==> DROPPED\n");
-				return NULL;
-			}
-			data->counter++;
-		}
-	}
-
-	free(packets);
-	free(lengths);
-	close(s);
-	return NULL;
-}
-
-int main(int argc, char *argv[])
-{
-	if (argc != 5) {
-		fprintf(stderr, "Usage: '%s THREADS METRICS IP PORT'\n", argv[0]);
-		exit(-1);
-	}
-
-	run_threads = atoi(argv[1]);
-	metrics = atoi(argv[2]);
-	char *ip = argv[3];
-	int port = atoi(argv[4]);
-
-	struct thread_data data[run_threads];
-	struct sockaddr_in si_other;
-	pthread_t threads[run_threads], report;
-	size_t i;
-
-	srand(time(NULL));
-
-	memset(&si_other, 0, sizeof(si_other));
-	si_other.sin_family = AF_INET;
-	si_other.sin_port = htons(port);
-	if (inet_aton(ip, &si_other.sin_addr)==0) {
-		fprintf(stderr, "inet_aton() of ip '%s' failed\n", ip);
-		exit(1);
-	}
-
-	for (i = 0; i < run_threads; ++i) {
-		data[i].id       = i;
-		data[i].si_other = &si_other;
-		data[i].slen     = sizeof(si_other);
-		data[i].counter  = 0;
-		pthread_create(&threads[i], NULL, spam_thread, &data[i]);
-	}
-
-	printf("\n");
-	printf("THREADS     : %zu\n", run_threads);
-	printf("METRICS     : %zu\n", metrics);
-	printf("DESTINATION : %s:%d\n", ip, port);
-	printf("\n");
-	pthread_create(&report, NULL, report_thread, &data);
-
-	for (i =0; i < run_threads; ++i)
-		pthread_join(threads[i], NULL);
-
-	return 0;
-}
diff --git a/tests/profile/test-eval.c b/tests/profile/test-eval.c
deleted file mode 100644
index 144381cf0..000000000
--- a/tests/profile/test-eval.c
+++ /dev/null
@@ -1,299 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-
-/*
- * 1. build netdata (as normally)
- * 2. cd profile/
- * 3. compile with:
- *    gcc -O1 -ggdb -Wall -Wextra -I ../src/ -I ../ -o test-eval test-eval.c ../src/log.o ../src/eval.o ../src/common.o ../src/clocks.o ../src/web_buffer.o ../src/storage_number.o -pthread -lm
- */
-
-#include "config.h"
-#include "libnetdata/libnetdata.h"
-#include "database/rrdcalc.h"
-
-void netdata_cleanup_and_exit(int ret) { exit(ret); }
-
-/*
-void indent(int level, int show) {
-	int i = level;
-	while(i--) printf(" |  ");
-	if(show) printf(" \\_ ");
-	else printf(" \\_  ");
-}
-
-void print_node(EVAL_NODE *op, int level);
-
-void print_value(EVAL_VALUE *v, int level) {
-	indent(level, 0);
-
-	switch(v->type) {
-		case EVAL_VALUE_INVALID:
-			printf("value (NOP)\n");
-			break;
-
-		case EVAL_VALUE_NUMBER:
-			printf("value %Lf (NUMBER)\n", v->number);
-			break;
-
-		case EVAL_VALUE_EXPRESSION:
-			printf("value (SUB-EXPRESSION)\n");
-			print_node(v->expression, level+1);
-			break;
-
-		default:
-			printf("value (INVALID type %d)\n", v->type);
-			break;
-
-	}
-}
-
-void print_node(EVAL_NODE *op, int level) {
-
-//	if(op->operator != EVAL_OPERATOR_NOP) {
-		indent(level, 1);
-		if(op->operator) printf("%c (node %d, precedence: %d)\n", op->operator, op->id, op->precedence);
-		else printf("NOP (node %d, precedence: %d)\n", op->id, op->precedence);
-//	}
-
-	int i = op->count;
-	while(i--) print_value(&op->ops[i], level + 1);
-}
-
-calculated_number evaluate(EVAL_NODE *op, int depth);
-
-calculated_number evaluate_value(EVAL_VALUE *v, int depth) {
-	switch(v->type) {
-		case EVAL_VALUE_NUMBER:
-			return v->number;
-
-		case EVAL_VALUE_EXPRESSION:
-			return evaluate(v->expression, depth);
-
-		default:
-			fatal("I don't know how to handle EVAL_VALUE type %d", v->type);
-	}
-}
-
-void print_depth(int depth) {
-	static int count = 0;
-
-	printf("%d. ", ++count);
-	while(depth--) printf("    ");
-}
-
-calculated_number evaluate(EVAL_NODE *op, int depth) {
-	calculated_number n1, n2, r;
-
-	switch(op->operator) {
-		case EVAL_OPERATOR_SIGN_PLUS:
-			r = evaluate_value(&op->ops[0], depth);
-			break;
-
-		case EVAL_OPERATOR_SIGN_MINUS:
-			r = -evaluate_value(&op->ops[0], depth);
-			break;
-
-		case EVAL_OPERATOR_PLUS:
-			if(op->count != 2)
-				fatal("Operator '%c' requires 2 values, but we have %d", op->operator, op->count);
-			n1 = evaluate_value(&op->ops[0], depth);
-			n2 = evaluate_value(&op->ops[1], depth);
-			r = n1 + n2;
-			print_depth(depth);
-			printf("%Lf = %Lf + %Lf\n", r, n1, n2);
-			break;
-
-		case EVAL_OPERATOR_MINUS:
-			if(op->count != 2)
-				fatal("Operator '%c' requires 2 values, but we have %d", op->operator, op->count);
-			n1 = evaluate_value(&op->ops[0], depth);
-			n2 = evaluate_value(&op->ops[1], depth);
-			r = n1 - n2;
-			print_depth(depth);
-			printf("%Lf = %Lf - %Lf\n", r, n1, n2);
-			break;
-
-		case EVAL_OPERATOR_MULTIPLY:
-			if(op->count != 2)
-				fatal("Operator '%c' requires 2 values, but we have %d", op->operator, op->count);
-			n1 = evaluate_value(&op->ops[0], depth);
-			n2 = evaluate_value(&op->ops[1], depth);
-			r = n1 * n2;
-			print_depth(depth);
-			printf("%Lf = %Lf * %Lf\n", r, n1, n2);
-			break;
-
-		case EVAL_OPERATOR_DIVIDE:
-			if(op->count != 2)
-				fatal("Operator '%c' requires 2 values, but we have %d", op->operator, op->count);
-			n1 = evaluate_value(&op->ops[0], depth);
-			n2 = evaluate_value(&op->ops[1], depth);
-			r = n1 / n2;
-			print_depth(depth);
-			printf("%Lf = %Lf / %Lf\n", r, n1, n2);
-			break;
-
-		case EVAL_OPERATOR_NOT:
-			n1 = evaluate_value(&op->ops[0], depth);
-			r = !n1;
-			print_depth(depth);
-			printf("%Lf = NOT %Lf\n", r, n1);
-			break;
-
-		case EVAL_OPERATOR_AND:
-			if(op->count != 2)
-				fatal("Operator '%c' requires 2 values, but we have %d", op->operator, op->count);
-			n1 = evaluate_value(&op->ops[0], depth);
-			n2 = evaluate_value(&op->ops[1], depth);
-			r = n1 && n2;
-			print_depth(depth);
-			printf("%Lf = %Lf AND %Lf\n", r, n1, n2);
-			break;
-
-		case EVAL_OPERATOR_OR:
-			if(op->count != 2)
-				fatal("Operator '%c' requires 2 values, but we have %d", op->operator, op->count);
-			n1 = evaluate_value(&op->ops[0], depth);
-			n2 = evaluate_value(&op->ops[1], depth);
-			r = n1 || n2;
-			print_depth(depth);
-			printf("%Lf = %Lf OR %Lf\n", r, n1, n2);
-			break;
-
-		case EVAL_OPERATOR_GREATER_THAN_OR_EQUAL:
-			if(op->count != 2)
-				fatal("Operator '%c' requires 2 values, but we have %d", op->operator, op->count);
-			n1 = evaluate_value(&op->ops[0], depth);
-			n2 = evaluate_value(&op->ops[1], depth);
-			r = n1 >= n2;
-			print_depth(depth);
-			printf("%Lf = %Lf >= %Lf\n", r, n1, n2);
-			break;
-
-		case EVAL_OPERATOR_LESS_THAN_OR_EQUAL:
-			if(op->count != 2)
-				fatal("Operator '%c' requires 2 values, but we have %d", op->operator, op->count);
-			n1 = evaluate_value(&op->ops[0], depth);
-			n2 = evaluate_value(&op->ops[1], depth);
-			r = n1 <= n2;
-			print_depth(depth);
-			printf("%Lf = %Lf <= %Lf\n", r, n1, n2);
-			break;
-
-		case EVAL_OPERATOR_GREATER:
-			if(op->count != 2)
-				fatal("Operator '%c' requires 2 values, but we have %d", op->operator, op->count);
-			n1 = evaluate_value(&op->ops[0], depth);
-			n2 = evaluate_value(&op->ops[1], depth);
-			r = n1 > n2;
-			print_depth(depth);
-			printf("%Lf = %Lf > %Lf\n", r, n1, n2);
-			break;
-
-		case EVAL_OPERATOR_LESS:
-			if(op->count != 2)
-				fatal("Operator '%c' requires 2 values, but we have %d", op->operator, op->count);
-			n1 = evaluate_value(&op->ops[0], depth);
-			n2 = evaluate_value(&op->ops[1], depth);
-			r = n1 < n2;
-			print_depth(depth);
-			printf("%Lf = %Lf < %Lf\n", r, n1, n2);
-			break;
-
-		case EVAL_OPERATOR_NOT_EQUAL:
-			if(op->count != 2)
-				fatal("Operator '%c' requires 2 values, but we have %d", op->operator, op->count);
-			n1 = evaluate_value(&op->ops[0], depth);
-			n2 = evaluate_value(&op->ops[1], depth);
-			r = n1 != n2;
-			print_depth(depth);
-			printf("%Lf = %Lf <> %Lf\n", r, n1, n2);
-			break;
-
-		case EVAL_OPERATOR_EQUAL:
-			if(op->count != 2)
-				fatal("Operator '%c' requires 2 values, but we have %d", op->operator, op->count);
-			n1 = evaluate_value(&op->ops[0], depth);
-			n2 = evaluate_value(&op->ops[1], depth);
-			r = n1 == n2;
-			print_depth(depth);
-			printf("%Lf = %Lf == %Lf\n", r, n1, n2);
-			break;
-
-		case EVAL_OPERATOR_EXPRESSION_OPEN:
-			printf("BEGIN SUB-EXPRESSION\n");
-			r = evaluate_value(&op->ops[0], depth + 1);
-			printf("END SUB-EXPRESSION\n");
-			break;
-
-		case EVAL_OPERATOR_NOP:
-		case EVAL_OPERATOR_VALUE:
-			r = evaluate_value(&op->ops[0], depth);
-			break;
-
-		default:
-			error("I don't know how to handle operator '%c'", op->operator);
-			r = 0;
-			break;
-	}
-
-	return r;
-}
-
-
-void print_expression(EVAL_NODE *op, const char *failed_at, int error) {
-	if(op) {
-		printf("expression tree:\n");
-		print_node(op, 0);
-
-		printf("\nevaluation steps:\n");
-		evaluate(op, 0);
-		
-		int error;
-		calculated_number ret = expression_evaluate(op, &error);
-		printf("\ninternal evaluator:\nSTATUS: %d, RESULT = %Lf\n", error, ret);
-
-		expression_free(op);
-	}
-	else {
-		printf("error: %d, failed_at: '%s'\n", error, (failed_at)?failed_at:"<NONE>");
-	}
-}
-*/
-
-int health_variable_lookup(const char *variable, uint32_t hash, RRDCALC *rc, calculated_number *result) {
-	(void)variable;
-	(void)hash;
-	(void)rc;
-	(void)result;
-
-	return 0;
-}
-
-int main(int argc, char **argv) {
-	if(argc != 2) {
-		fprintf(stderr, "I need an epxression (enclose it in single-quotes (') as a single parameter)\n");
-		exit(1);
-	}
-
-	const char *failed_at = NULL;
-	int error;
-
-	EVAL_EXPRESSION *exp = expression_parse(argv[1], &failed_at, &error);
-	if(!exp)
-		printf("\nPARSING FAILED\nExpression: '%s'\nParsing stopped at: '%s'\nParsing error code: %d (%s)\n", argv[1], (failed_at)?((*failed_at)?failed_at:"<END OF EXPRESSION>"):"<NONE>", error, expression_strerror(error));
-	
-	else {
-		printf("\nPARSING OK\nExpression: '%s'\nParsed as : '%s'\nParsing error code: %d (%s)\n", argv[1], exp->parsed_as, error, expression_strerror(error));
-
-		if(expression_evaluate(exp)) {
-			printf("\nEvaluates to: %Lf\n\n", exp->result);
-		}
-		else {
-			printf("\nEvaluation failed with code %d and message: %s\n\n", exp->error, buffer_tostring(exp->error_msg));
-		}
-		expression_free(exp);
-	}
-
-	return 0;
-}