:truck: move profiling to tests directory

8 files changed, 0 insertions, 2473 deletions

diff --git a/profile/Makefile b/profile/Makefile
deleted file mode 100644
index d0eda1a322..0000000000
--- a/profile/Makefile
+++ /dev/null
@@ -1,12 +0,0 @@
-# SPDX-License-Identifier: GPL-3.0+
-
-COMMON_CFLAGS=-I ../src/ -I ../
-PROFILE_CFLAGS=-O1 -ggdb -Wall -Wextra 
-
-benchmark-procfile-parser: benchmark-procfile-parser.c
-	gcc ${PROFILE_CFLAGS} ${COMMON_CFLAGS} -o $@ $^ ../src/log.o ../src/procfile.o ../src/threads.o ../src/locks.o ../src/common.o ../src/clocks.o ../src/web_buffer.o ../src/storage_number.o -pthread -lm
-
-statsd-stress: statsd-stress.c
-	gcc -O2 -Wall -Wextra -o $@ $^ -pthread
-
-all: statsd-stress benchmark-procfile-parser
diff --git a/profile/benchmark-dictionary.c b/profile/benchmark-dictionary.c
deleted file mode 100644
index d920243036..0000000000
--- a/profile/benchmark-dictionary.c
+++ /dev/null
@@ -1,129 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0+ */
-/*
- * 1. build netdata (as normally)
- * 2. cd 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 "common.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/profile/benchmark-line-parsing.c b/profile/benchmark-line-parsing.c
deleted file mode 100644
index d1cc0fde28..0000000000
--- a/profile/benchmark-line-parsing.c
+++ /dev/null
@@ -1,663 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0+ */
-#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 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(hash == base->last->hash && !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);
-    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;
-  unsigned long max = 200000;
-
-  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();
-
-  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: simple system strcmp().\n"
-         "test2() in %lu usecs: inline simple_hash() 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.\n"
-         "test5() in %lu usecs: inline simple_hash(), if-else-if-else-if (netdata default).\n"
-         "test6() in %lu usecs: adaptive re-sortable array (wow!)\n"
-         , c1
-         , c2
-         , c3
-         , c4
-         , c5
-         , c6
-         );
-
-}
diff --git a/profile/benchmark-procfile-parser.c b/profile/benchmark-procfile-parser.c
deleted file mode 100644
index 2ec23265dd..0000000000
--- a/profile/benchmark-procfile-parser.c
+++ /dev/null
@@ -1,329 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0+ */
-#include "config.h"
-#include "common.h"
-#include "clocks.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;</