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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 02:57:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 02:57:58 +0000
commitbe1c7e50e1e8809ea56f2c9d472eccd8ffd73a97 (patch)
tree9754ff1ca740f6346cf8483ec915d4054bc5da2d /daemon/unit_test.c
parentInitial commit. (diff)
downloadnetdata-upstream.tar.xz
netdata-upstream.zip
Adding upstream version 1.44.3.upstream/1.44.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'daemon/unit_test.c')
-rw-r--r--daemon/unit_test.c2657
1 files changed, 2657 insertions, 0 deletions
diff --git a/daemon/unit_test.c b/daemon/unit_test.c
new file mode 100644
index 00000000..149bbec0
--- /dev/null
+++ b/daemon/unit_test.c
@@ -0,0 +1,2657 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "common.h"
+
+static bool cmd_arg_sanitization_test(const char *expected, const char *src, char *dst, size_t dst_size) {
+ bool ok = sanitize_command_argument_string(dst, src, dst_size);
+
+ if (!expected)
+ return ok == false;
+
+ return strcmp(expected, dst) == 0;
+}
+
+bool command_argument_sanitization_tests() {
+ char dst[1024];
+
+ for (size_t i = 0; i != 5; i++) {
+ const char *expected = i == 4 ? "'\\''" : NULL;
+ if (cmd_arg_sanitization_test(expected, "'", dst, i) == false) {
+ fprintf(stderr, "expected: >>>%s<<<, got: >>>%s<<<\n", expected, dst);
+ return 1;
+ }
+ }
+
+ for (size_t i = 0; i != 9; i++) {
+ const char *expected = i == 8 ? "'\\'''\\''" : NULL;
+ if (cmd_arg_sanitization_test(expected, "''", dst, i) == false) {
+ fprintf(stderr, "expected: >>>%s<<<, got: >>>%s<<<\n", expected, dst);
+ return 1;
+ }
+ }
+
+ for (size_t i = 0; i != 7; i++) {
+ const char *expected = i == 6 ? "'\\''a" : NULL;
+ if (cmd_arg_sanitization_test(expected, "'a", dst, i) == false) {
+ fprintf(stderr, "expected: >>>%s<<<, got: >>>%s<<<\n", expected, dst);
+ return 1;
+ }
+ }
+
+ for (size_t i = 0; i != 7; i++) {
+ const char *expected = i == 6 ? "a'\\''" : NULL;
+ if (cmd_arg_sanitization_test(expected, "a'", dst, i) == false) {
+ fprintf(stderr, "expected: >>>%s<<<, got: >>>%s<<<\n", expected, dst);
+ return 1;
+ }
+ }
+
+ for (size_t i = 0; i != 22; i++) {
+ const char *expected = i == 21 ? "foo'\\''a'\\'''\\'''\\''b" : NULL;
+ if (cmd_arg_sanitization_test(expected, "--foo'a'''b", dst, i) == false) {
+ fprintf(stderr, "expected: >>>%s<<<, got: >>>%s<<<\n length: %zu\n", expected, dst, strlen(dst));
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+static int check_number_printing(void) {
+ struct {
+ NETDATA_DOUBLE n;
+ const char *correct;
+ } values[] = {
+ { .n = 0, .correct = "0" },
+ { .n = 0.0000001, .correct = "0.0000001" },
+ { .n = 0.00000009, .correct = "0.0000001" },
+ { .n = 0.000000001, .correct = "0" },
+ { .n = 99.99999999999999999, .correct = "100" },
+ { .n = -99.99999999999999999, .correct = "-100" },
+ { .n = 123.4567899123456789, .correct = "123.4567899" },
+ { .n = 123.4567890123456789, .correct = "123.456789" },
+ { .n = 123.4567800123456789, .correct = "123.45678" },
+ { .n = 123.4567000123456789, .correct = "123.4567" },
+ { .n = 123.4560000123456789, .correct = "123.456" },
+ { .n = 123.4500000123456789, .correct = "123.45" },
+ { .n = 123.4000000123456789, .correct = "123.4" },
+ { .n = 123.0000000123456789, .correct = "123" },
+ { .n = 123.0000000923456789, .correct = "123.0000001" },
+ { .n = 4294967295.123456789, .correct = "4294967295.123457" },
+ { .n = 8294967295.123456789, .correct = "8294967295.123457" },
+ { .n = 1.000000000000002e+19, .correct = "1.000000000000001998e+19" },
+ { .n = 9.2233720368547676e+18, .correct = "9.223372036854767584e+18" },
+ { .n = 18446744073709541376.0, .correct = "1.84467440737095424e+19" },
+ { .n = 18446744073709551616.0, .correct = "1.844674407370955136e+19" },
+ { .n = 12318446744073710600192.0, .correct = "1.231844674407371008e+22" },
+ { .n = 1677721499999999885312.0, .correct = "1.677721499999999872e+21" },
+ { .n = -1677721499999999885312.0, .correct = "-1.677721499999999872e+21" },
+ { .n = -1.677721499999999885312e40, .correct = "-1.677721499999999872e+40" },
+ { .n = -16777214999999997337621690403742592008192.0, .correct = "-1.677721499999999616e+40" },
+ { .n = 9999.9999999, .correct = "9999.9999999" },
+ { .n = -9999.9999999, .correct = "-9999.9999999" },
+ { .n = 0, .correct = NULL },
+ };
+
+ char netdata[512 + 2], system[512 + 2];
+ int i, failed = 0;
+ for(i = 0; values[i].correct ; i++) {
+ print_netdata_double(netdata, values[i].n);
+ snprintfz(system, sizeof(system) - 1, "%0.12" NETDATA_DOUBLE_MODIFIER, (NETDATA_DOUBLE)values[i].n);
+
+ int ok = 1;
+ if(strcmp(netdata, values[i].correct) != 0) {
+ ok = 0;
+ failed++;
+ }
+
+ NETDATA_DOUBLE parsed_netdata = str2ndd(netdata, NULL);
+ NETDATA_DOUBLE parsed_system = strtondd(netdata, NULL);
+
+ if(parsed_system != parsed_netdata)
+ failed++;
+
+ fprintf(stderr, "[%d]. '%s' (system) printed as '%s' (netdata): PRINT %s, "
+ "PARSED %0.12" NETDATA_DOUBLE_MODIFIER " (system), %0.12" NETDATA_DOUBLE_MODIFIER " (netdata): %s\n",
+ i,
+ system, netdata, ok?"OK":"FAILED",
+ parsed_system, parsed_netdata,
+ parsed_netdata == parsed_system ? "OK" : "FAILED");
+ }
+
+ if(failed) return 1;
+ return 0;
+}
+
+static int check_rrdcalc_comparisons(void) {
+ RRDCALC_STATUS a, b;
+
+ // make sure calloc() sets the status to UNINITIALIZED
+ memset(&a, 0, sizeof(RRDCALC_STATUS));
+ if(a != RRDCALC_STATUS_UNINITIALIZED) {
+ fprintf(stderr, "%s is not zero.\n", rrdcalc_status2string(RRDCALC_STATUS_UNINITIALIZED));
+ return 1;
+ }
+
+ a = RRDCALC_STATUS_REMOVED;
+ b = RRDCALC_STATUS_UNDEFINED;
+ if(!(a < b)) {
+ fprintf(stderr, "%s is not less than %s\n", rrdcalc_status2string(a), rrdcalc_status2string(b));
+ return 1;
+ }
+
+ a = RRDCALC_STATUS_UNDEFINED;
+ b = RRDCALC_STATUS_UNINITIALIZED;
+ if(!(a < b)) {
+ fprintf(stderr, "%s is not less than %s\n", rrdcalc_status2string(a), rrdcalc_status2string(b));
+ return 1;
+ }
+
+ a = RRDCALC_STATUS_UNINITIALIZED;
+ b = RRDCALC_STATUS_CLEAR;
+ if(!(a < b)) {
+ fprintf(stderr, "%s is not less than %s\n", rrdcalc_status2string(a), rrdcalc_status2string(b));
+ return 1;
+ }
+
+ a = RRDCALC_STATUS_CLEAR;
+ b = RRDCALC_STATUS_RAISED;
+ if(!(a < b)) {
+ fprintf(stderr, "%s is not less than %s\n", rrdcalc_status2string(a), rrdcalc_status2string(b));
+ return 1;
+ }
+
+ a = RRDCALC_STATUS_RAISED;
+ b = RRDCALC_STATUS_WARNING;
+ if(!(a < b)) {
+ fprintf(stderr, "%s is not less than %s\n", rrdcalc_status2string(a), rrdcalc_status2string(b));
+ return 1;
+ }
+
+ a = RRDCALC_STATUS_WARNING;
+ b = RRDCALC_STATUS_CRITICAL;
+ if(!(a < b)) {
+ fprintf(stderr, "%s is not less than %s\n", rrdcalc_status2string(a), rrdcalc_status2string(b));
+ return 1;
+ }
+
+ fprintf(stderr, "RRDCALC_STATUSes are sortable.\n");
+
+ return 0;
+}
+
+int check_storage_number(NETDATA_DOUBLE n, int debug) {
+ char buffer[100];
+ uint32_t flags = SN_DEFAULT_FLAGS;
+
+ storage_number s = pack_storage_number(n, flags);
+ NETDATA_DOUBLE d = unpack_storage_number(s);
+
+ if(!does_storage_number_exist(s)) {
+ fprintf(stderr, "Exists flags missing for number " NETDATA_DOUBLE_FORMAT "!\n", n);
+ return 5;
+ }
+
+ NETDATA_DOUBLE ddiff = d - n;
+ NETDATA_DOUBLE dcdiff = ddiff * 100.0 / n;
+
+ if(dcdiff < 0) dcdiff = -dcdiff;
+
+ size_t len = (size_t)print_netdata_double(buffer, d);
+ NETDATA_DOUBLE p = str2ndd(buffer, NULL);
+ NETDATA_DOUBLE pdiff = n - p;
+ NETDATA_DOUBLE pcdiff = pdiff * 100.0 / n;
+ if(pcdiff < 0) pcdiff = -pcdiff;
+
+ if(debug) {
+ fprintf(stderr,
+ NETDATA_DOUBLE_FORMAT
+ " original\n" NETDATA_DOUBLE_FORMAT " packed and unpacked, (stored as 0x%08X, diff " NETDATA_DOUBLE_FORMAT
+ ", " NETDATA_DOUBLE_FORMAT "%%)\n"
+ "%s printed after unpacked (%zu bytes)\n" NETDATA_DOUBLE_FORMAT
+ " re-parsed from printed (diff " NETDATA_DOUBLE_FORMAT ", " NETDATA_DOUBLE_FORMAT "%%)\n\n",
+ n,
+ d, s, ddiff, dcdiff,
+ buffer, len,
+ p, pdiff, pcdiff
+ );
+ if(len != strlen(buffer)) fprintf(stderr, "ERROR: printed number %s is reported to have length %zu but it has %zu\n", buffer, len, strlen(buffer));
+
+ if(dcdiff > ACCURACY_LOSS_ACCEPTED_PERCENT)
+ fprintf(stderr, "WARNING: packing number " NETDATA_DOUBLE_FORMAT " has accuracy loss " NETDATA_DOUBLE_FORMAT " %%\n", n, dcdiff);
+
+ if(pcdiff > ACCURACY_LOSS_ACCEPTED_PERCENT)
+ fprintf(stderr, "WARNING: re-parsing the packed, unpacked and printed number " NETDATA_DOUBLE_FORMAT
+ " has accuracy loss " NETDATA_DOUBLE_FORMAT " %%\n", n, pcdiff);
+ }
+
+ if(len != strlen(buffer)) return 1;
+ if(dcdiff > ACCURACY_LOSS_ACCEPTED_PERCENT) return 3;
+ if(pcdiff > ACCURACY_LOSS_ACCEPTED_PERCENT) return 4;
+ return 0;
+}
+
+NETDATA_DOUBLE storage_number_min(NETDATA_DOUBLE n) {
+ NETDATA_DOUBLE r = 1, last;
+
+ do {
+ last = n;
+ n /= 2.0;
+ storage_number t = pack_storage_number(n, SN_DEFAULT_FLAGS);
+ r = unpack_storage_number(t);
+ } while(r != 0.0 && r != last);
+
+ return last;
+}
+
+void benchmark_storage_number(int loop, int multiplier) {
+ int i, j;
+ NETDATA_DOUBLE n, d;
+ storage_number s;
+ unsigned long long user, system, total, mine, their;
+
+ NETDATA_DOUBLE storage_number_positive_min = unpack_storage_number(STORAGE_NUMBER_POSITIVE_MIN_RAW);
+ NETDATA_DOUBLE storage_number_positive_max = unpack_storage_number(STORAGE_NUMBER_POSITIVE_MAX_RAW);
+
+ char buffer[100];
+
+ struct rusage now, last;
+
+ fprintf(stderr, "\n\nBenchmarking %d numbers, please wait...\n\n", loop);
+
+ // ------------------------------------------------------------------------
+
+ fprintf(stderr, "SYSTEM LONG DOUBLE SIZE: %zu bytes\n", sizeof(NETDATA_DOUBLE));
+ fprintf(stderr, "NETDATA FLOATING POINT SIZE: %zu bytes\n", sizeof(storage_number));
+
+ mine = (NETDATA_DOUBLE)sizeof(storage_number) * (NETDATA_DOUBLE)loop;
+ their = (NETDATA_DOUBLE)sizeof(NETDATA_DOUBLE) * (NETDATA_DOUBLE)loop;
+
+ if(mine > their) {
+ fprintf(stderr, "\nNETDATA NEEDS %0.2" NETDATA_DOUBLE_MODIFIER " TIMES MORE MEMORY. Sorry!\n", (NETDATA_DOUBLE)(mine / their));
+ }
+ else {
+ fprintf(stderr, "\nNETDATA INTERNAL FLOATING POINT ARITHMETICS NEEDS %0.2" NETDATA_DOUBLE_MODIFIER " TIMES LESS MEMORY.\n", (NETDATA_DOUBLE)(their / mine));
+ }
+
+ fprintf(stderr, "\nNETDATA FLOATING POINT\n");
+ fprintf(stderr, "MIN POSITIVE VALUE " NETDATA_DOUBLE_FORMAT "\n", unpack_storage_number(STORAGE_NUMBER_POSITIVE_MIN_RAW));
+ fprintf(stderr, "MAX POSITIVE VALUE " NETDATA_DOUBLE_FORMAT "\n", unpack_storage_number(STORAGE_NUMBER_POSITIVE_MAX_RAW));
+ fprintf(stderr, "MIN NEGATIVE VALUE " NETDATA_DOUBLE_FORMAT "\n", unpack_storage_number(STORAGE_NUMBER_NEGATIVE_MIN_RAW));
+ fprintf(stderr, "MAX NEGATIVE VALUE " NETDATA_DOUBLE_FORMAT "\n", unpack_storage_number(STORAGE_NUMBER_NEGATIVE_MAX_RAW));
+ fprintf(stderr, "Maximum accuracy loss accepted: " NETDATA_DOUBLE_FORMAT "%%\n\n\n", (NETDATA_DOUBLE)ACCURACY_LOSS_ACCEPTED_PERCENT);
+
+ // ------------------------------------------------------------------------
+
+ fprintf(stderr, "INTERNAL LONG DOUBLE PRINTING: ");
+ getrusage(RUSAGE_SELF, &last);
+
+ // do the job
+ for(j = 1; j < 11 ;j++) {
+ n = storage_number_positive_min * j;
+
+ for(i = 0; i < loop ;i++) {
+ n *= multiplier;
+ if(n > storage_number_positive_max) n = storage_number_positive_min;
+
+ print_netdata_double(buffer, n);
+ }
+ }
+
+ getrusage(RUSAGE_SELF, &now);
+ user = now.ru_utime.tv_sec * 1000000ULL + now.ru_utime.tv_usec - last.ru_utime.tv_sec * 1000000ULL + last.ru_utime.tv_usec;
+ system = now.ru_stime.tv_sec * 1000000ULL + now.ru_stime.tv_usec - last.ru_stime.tv_sec * 1000000ULL + last.ru_stime.tv_usec;
+ total = user + system;
+ mine = total;
+
+ fprintf(stderr, "user %0.5" NETDATA_DOUBLE_MODIFIER ", system %0.5" NETDATA_DOUBLE_MODIFIER
+ ", total %0.5" NETDATA_DOUBLE_MODIFIER "\n", (NETDATA_DOUBLE)(user / 1000000.0), (NETDATA_DOUBLE)(system / 1000000.0), (NETDATA_DOUBLE)(total / 1000000.0));
+
+ // ------------------------------------------------------------------------
+
+ fprintf(stderr, "SYSTEM LONG DOUBLE PRINTING: ");
+ getrusage(RUSAGE_SELF, &last);
+
+ // do the job
+ for(j = 1; j < 11 ;j++) {
+ n = storage_number_positive_min * j;
+
+ for(i = 0; i < loop ;i++) {
+ n *= multiplier;
+ if(n > storage_number_positive_max) n = storage_number_positive_min;
+ snprintfz(buffer, sizeof(buffer) - 1, NETDATA_DOUBLE_FORMAT, n);
+ }
+ }
+
+ getrusage(RUSAGE_SELF, &now);
+ user = now.ru_utime.tv_sec * 1000000ULL + now.ru_utime.tv_usec - last.ru_utime.tv_sec * 1000000ULL + last.ru_utime.tv_usec;
+ system = now.ru_stime.tv_sec * 1000000ULL + now.ru_stime.tv_usec - last.ru_stime.tv_sec * 1000000ULL + last.ru_stime.tv_usec;
+ total = user + system;
+ their = total;
+
+ fprintf(stderr, "user %0.5" NETDATA_DOUBLE_MODIFIER ", system %0.5" NETDATA_DOUBLE_MODIFIER
+ ", total %0.5" NETDATA_DOUBLE_MODIFIER "\n", (NETDATA_DOUBLE)(user / 1000000.0), (NETDATA_DOUBLE)(system / 1000000.0), (NETDATA_DOUBLE)(total / 1000000.0));
+
+ if(mine > total) {
+ fprintf(stderr, "NETDATA CODE IS SLOWER %0.2" NETDATA_DOUBLE_MODIFIER " %%\n", (NETDATA_DOUBLE)(mine * 100.0 / their - 100.0));
+ }
+ else {
+ fprintf(stderr, "NETDATA CODE IS F A S T E R %0.2" NETDATA_DOUBLE_MODIFIER " %%\n", (NETDATA_DOUBLE)(their * 100.0 / mine - 100.0));
+ }
+
+ // ------------------------------------------------------------------------
+
+ fprintf(stderr, "\nINTERNAL LONG DOUBLE PRINTING WITH PACK / UNPACK: ");
+ getrusage(RUSAGE_SELF, &last);
+
+ // do the job
+ for(j = 1; j < 11 ;j++) {
+ n = storage_number_positive_min * j;
+
+ for(i = 0; i < loop ;i++) {
+ n *= multiplier;
+ if(n > storage_number_positive_max) n = storage_number_positive_min;
+
+ s = pack_storage_number(n, SN_DEFAULT_FLAGS);
+ d = unpack_storage_number(s);
+ print_netdata_double(buffer, d);
+ }
+ }
+
+ getrusage(RUSAGE_SELF, &now);
+ user = now.ru_utime.tv_sec * 1000000ULL + now.ru_utime.tv_usec - last.ru_utime.tv_sec * 1000000ULL + last.ru_utime.tv_usec;
+ system = now.ru_stime.tv_sec * 1000000ULL + now.ru_stime.tv_usec - last.ru_stime.tv_sec * 1000000ULL + last.ru_stime.tv_usec;
+ total = user + system;
+ mine = total;
+
+ fprintf(stderr, "user %0.5" NETDATA_DOUBLE_MODIFIER ", system %0.5" NETDATA_DOUBLE_MODIFIER
+ ", total %0.5" NETDATA_DOUBLE_MODIFIER "\n", (NETDATA_DOUBLE)(user / 1000000.0), (NETDATA_DOUBLE)(system / 1000000.0), (NETDATA_DOUBLE)(total / 1000000.0));
+
+ if(mine > their) {
+ fprintf(stderr, "WITH PACKING UNPACKING NETDATA CODE IS SLOWER %0.2" NETDATA_DOUBLE_MODIFIER " %%\n", (NETDATA_DOUBLE)(mine * 100.0 / their - 100.0));
+ }
+ else {
+ fprintf(stderr, "EVEN WITH PACKING AND UNPACKING, NETDATA CODE IS F A S T E R %0.2" NETDATA_DOUBLE_MODIFIER " %%\n", (NETDATA_DOUBLE)(their * 100.0 / mine - 100.0));
+ }
+
+ // ------------------------------------------------------------------------
+
+}
+
+static int check_storage_number_exists() {
+ uint32_t flags = SN_DEFAULT_FLAGS;
+ NETDATA_DOUBLE n = 0.0;
+
+ storage_number s = pack_storage_number(n, flags);
+ NETDATA_DOUBLE d = unpack_storage_number(s);
+
+ if(n != d) {
+ fprintf(stderr, "Wrong number returned. Expected " NETDATA_DOUBLE_FORMAT ", returned " NETDATA_DOUBLE_FORMAT "!\n", n, d);
+ return 1;
+ }
+
+ return 0;
+}
+
+int unit_test_storage() {
+ if(check_storage_number_exists()) return 0;
+
+ NETDATA_DOUBLE storage_number_positive_min = unpack_storage_number(STORAGE_NUMBER_POSITIVE_MIN_RAW);
+ NETDATA_DOUBLE storage_number_negative_max = unpack_storage_number(STORAGE_NUMBER_NEGATIVE_MAX_RAW);
+
+ NETDATA_DOUBLE c, a = 0;
+ int i, j, g, r = 0;
+
+ for(g = -1; g <= 1 ; g++) {
+ a = 0;
+
+ if(!g) continue;
+
+ for(j = 0; j < 9 ;j++) {
+ a += 0.0000001;
+ c = a * g;
+ for(i = 0; i < 21 ;i++, c *= 10) {
+ if(c > 0 && c < storage_number_positive_min) continue;
+ if(c < 0 && c > storage_number_negative_max) continue;
+
+ if(check_storage_number(c, 1)) return 1;
+ }
+ }
+ }
+
+ // if(check_storage_number(858993459.1234567, 1)) return 1;
+ benchmark_storage_number(1000000, 2);
+ return r;
+}
+
+int unit_test_str2ld() {
+ is_system_ieee754_double();
+
+ char *values[] = {
+ "1.2345678",
+ "-35.6",
+ "0.00123",
+ "23842384234234.2",
+ ".1",
+ "1.2e-10",
+ "18446744073709551616.0",
+ "18446744073709551616123456789123456789123456789123456789123456789123456789123456789.0",
+ "1.8446744073709551616123456789123456789123456789123456789123456789123456789123456789e+300",
+ "9.",
+ "9.e2",
+ "1.2e",
+ "1.2e+",
+ "1.2e-",
+ "1.2e0",
+ "1.2e-0",
+ "1.2e+0",
+ "-1.2e+1",
+ "-1.2e-1",
+ "1.2e1",
+ "1.2e400",
+ "hello",
+ "1wrong",
+ "nan",
+ "inf",
+ NULL
+ };
+
+ int i;
+ for(i = 0; values[i] ; i++) {
+ char *e_mine = "hello", *e_sys = "world";
+ NETDATA_DOUBLE mine = str2ndd(values[i], &e_mine);
+ NETDATA_DOUBLE sys = strtondd(values[i], &e_sys);
+
+ if(isnan(mine)) {
+ if(!isnan(sys)) {
+ fprintf(stderr, "Value '%s' is parsed as %" NETDATA_DOUBLE_MODIFIER
+ ", but system believes it is %" NETDATA_DOUBLE_MODIFIER ".\n", values[i], mine, sys);
+ return -1;
+ }
+ }
+ else if(isinf(mine)) {
+ if(!isinf(sys)) {
+ fprintf(stderr, "Value '%s' is parsed as %" NETDATA_DOUBLE_MODIFIER
+ ", but system believes it is %" NETDATA_DOUBLE_MODIFIER ".\n", values[i], mine, sys);
+ return -1;
+ }
+ }
+ else if(mine != sys && ABS(mine-sys) > 0.000001) {
+ fprintf(stderr, "Value '%s' is parsed as %" NETDATA_DOUBLE_MODIFIER
+ ", but system believes it is %" NETDATA_DOUBLE_MODIFIER ", delta %" NETDATA_DOUBLE_MODIFIER ".\n", values[i], mine, sys, sys-mine);
+ return -1;
+ }
+
+ if(e_mine != e_sys) {
+ fprintf(stderr, "Value '%s' is parsed correctly, but endptr is not right (netdata returned %d, but system returned %d)\n",
+ values[i], (int)(e_mine - values[i]), (int)(e_sys - values[i]));
+ return -1;
+ }
+
+ fprintf(stderr, "str2ndd() parsed value '%s' exactly the same way with strtold(), returned %" NETDATA_DOUBLE_MODIFIER
+ " vs %" NETDATA_DOUBLE_MODIFIER "\n", values[i], mine, sys);
+ }
+
+ return 0;
+}
+
+int unit_test_buffer() {
+ BUFFER *wb = buffer_create(1, NULL);
+ char string[2048 + 1];
+ char final[9000 + 1];
+ int i;
+
+ for(i = 0; i < 2048; i++)
+ string[i] = (char)((i % 24) + 'a');
+ string[2048] = '\0';
+
+ const char *fmt = "string1: %s\nstring2: %s\nstring3: %s\nstring4: %s";
+ buffer_sprintf(wb, fmt, string, string, string, string);
+ snprintfz(final, sizeof(final) - 1, fmt, string, string, string, string);
+
+ const char *s = buffer_tostring(wb);
+
+ if(buffer_strlen(wb) != strlen(final) || strcmp(s, final) != 0) {
+ fprintf(stderr, "\nbuffer_sprintf() is faulty.\n");
+ fprintf(stderr, "\nstring : %s (length %zu)\n", string, strlen(string));
+ fprintf(stderr, "\nbuffer : %s (length %zu)\n", s, buffer_strlen(wb));
+ fprintf(stderr, "\nexpected: %s (length %zu)\n", final, strlen(final));
+ buffer_free(wb);
+ return -1;
+ }
+
+ fprintf(stderr, "buffer_sprintf() works as expected.\n");
+ buffer_free(wb);
+ return 0;
+}
+
+int unit_test_static_threads() {
+ struct netdata_static_thread *static_threads = static_threads_get();
+
+ /*
+ * make sure enough static threads have been registered
+ */
+ if (!static_threads) {
+ fprintf(stderr, "empty static_threads array\n");
+ return 1;
+ }
+
+ int n;
+ for (n = 0; static_threads[n].start_routine != NULL; n++) {}
+
+ if (n < 2) {
+ fprintf(stderr, "only %d static threads registered", n);
+ freez(static_threads);
+ return 1;
+ }
+
+ /*
+ * verify that each thread's start routine is unique.
+ */
+ for (int i = 0; i != n - 1; i++) {
+ for (int j = i + 1; j != n; j++) {
+ if (static_threads[i].start_routine != static_threads[j].start_routine)
+ continue;
+
+ fprintf(stderr, "Found duplicate threads with name: %s\n", static_threads[i].name);
+ freez(static_threads);
+ return 1;
+ }
+ }
+
+ freez(static_threads);
+ return 0;
+}
+
+// --------------------------------------------------------------------------------------------------------------------
+
+struct feed_values {
+ unsigned long long microseconds;
+ collected_number value;
+};
+
+struct test {
+ char name[100];
+ char description[1024];
+
+ int update_every;
+ unsigned long long multiplier;
+ unsigned long long divisor;
+ RRD_ALGORITHM algorithm;
+
+ unsigned long feed_entries;
+ unsigned long result_entries;
+ struct feed_values *feed;
+ NETDATA_DOUBLE *results;
+
+ collected_number *feed2;
+ NETDATA_DOUBLE *results2;
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+// test1
+// test absolute values stored
+
+struct feed_values test1_feed[] = {
+ { 0, 10 },
+ { 1000000, 20 },
+ { 1000000, 30 },
+ { 1000000, 40 },
+ { 1000000, 50 },
+ { 1000000, 60 },
+ { 1000000, 70 },
+ { 1000000, 80 },
+ { 1000000, 90 },
+ { 1000000, 100 },
+};
+
+NETDATA_DOUBLE test1_results[] = {
+ 20, 30, 40, 50, 60, 70, 80, 90, 100
+};
+
+struct test test1 = {
+ "test1", // name
+ "test absolute values stored at exactly second boundaries",
+ 1, // update_every
+ 1, // multiplier
+ 1, // divisor
+ RRD_ALGORITHM_ABSOLUTE, // algorithm
+ 10, // feed entries
+ 9, // result entries
+ test1_feed, // feed
+ test1_results, // results
+ NULL, // feed2
+ NULL // results2
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+// test2
+// test absolute values stored in the middle of second boundaries
+
+struct feed_values test2_feed[] = {
+ { 500000, 10 },
+ { 1000000, 20 },
+ { 1000000, 30 },
+ { 1000000, 40 },
+ { 1000000, 50 },
+ { 1000000, 60 },
+ { 1000000, 70 },
+ { 1000000, 80 },
+ { 1000000, 90 },
+ { 1000000, 100 },
+};
+
+NETDATA_DOUBLE test2_results[] = {
+ 20, 30, 40, 50, 60, 70, 80, 90, 100
+};
+
+struct test test2 = {
+ "test2", // name
+ "test absolute values stored in the middle of second boundaries",
+ 1, // update_every
+ 1, // multiplier
+ 1, // divisor
+ RRD_ALGORITHM_ABSOLUTE, // algorithm
+ 10, // feed entries
+ 9, // result entries
+ test2_feed, // feed
+ test2_results, // results
+ NULL, // feed2
+ NULL // results2
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+// test3
+
+struct feed_values test3_feed[] = {
+ { 0, 10 },
+ { 1000000, 20 },
+ { 1000000, 30 },
+ { 1000000, 40 },
+ { 1000000, 50 },
+ { 1000000, 60 },
+ { 1000000, 70 },
+ { 1000000, 80 },
+ { 1000000, 90 },
+ { 1000000, 100 },
+};
+
+NETDATA_DOUBLE test3_results[] = {
+ 10, 10, 10, 10, 10, 10, 10, 10, 10
+};
+
+struct test test3 = {
+ "test3", // name
+ "test incremental values stored at exactly second boundaries",
+ 1, // update_every
+ 1, // multiplier
+ 1, // divisor
+ RRD_ALGORITHM_INCREMENTAL, // algorithm
+ 10, // feed entries
+ 9, // result entries
+ test3_feed, // feed
+ test3_results, // results
+ NULL, // feed2
+ NULL // results2
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+// test4
+
+struct feed_values test4_feed[] = {
+ { 500000, 10 },
+ { 1000000, 20 },
+ { 1000000, 30 },
+ { 1000000, 40 },
+ { 1000000, 50 },
+ { 1000000, 60 },
+ { 1000000, 70 },
+ { 1000000, 80 },
+ { 1000000, 90 },
+ { 1000000, 100 },
+};
+
+NETDATA_DOUBLE test4_results[] = {
+ 10, 10, 10, 10, 10, 10, 10, 10, 10
+};
+
+struct test test4 = {
+ "test4", // name
+ "test incremental values stored in the middle of second boundaries",
+ 1, // update_every
+ 1, // multiplier
+ 1, // divisor
+ RRD_ALGORITHM_INCREMENTAL, // algorithm
+ 10, // feed entries
+ 9, // result entries
+ test4_feed, // feed
+ test4_results, // results
+ NULL, // feed2
+ NULL // results2
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+// test5 - 32 bit overflows
+
+struct feed_values test5_feed[] = {
+ { 0, 0x00000000FFFFFFFFULL / 15 * 0 },
+ { 1000000, 0x00000000FFFFFFFFULL / 15 * 7 },
+ { 1000000, 0x00000000FFFFFFFFULL / 15 * 14 },
+ { 1000000, 0x00000000FFFFFFFFULL / 15 * 0 },
+ { 1000000, 0x00000000FFFFFFFFULL / 15 * 7 },
+ { 1000000, 0x00000000FFFFFFFFULL / 15 * 14 },
+ { 1000000, 0x00000000FFFFFFFFULL / 15 * 0 },
+ { 1000000, 0x00000000FFFFFFFFULL / 15 * 7 },
+ { 1000000, 0x00000000FFFFFFFFULL / 15 * 14 },
+ { 1000000, 0x00000000FFFFFFFFULL / 15 * 0 },
+};
+
+NETDATA_DOUBLE test5_results[] = {
+ 0x00000000FFFFFFFFULL / 15 * 7,
+ 0x00000000FFFFFFFFULL / 15 * 7,
+ 0x00000000FFFFFFFFULL / 15,
+ 0x00000000FFFFFFFFULL / 15 * 7,
+ 0x00000000FFFFFFFFULL / 15 * 7,
+ 0x00000000FFFFFFFFULL / 15,
+ 0x00000000FFFFFFFFULL / 15 * 7,
+ 0x00000000FFFFFFFFULL / 15 * 7,
+ 0x00000000FFFFFFFFULL / 15,
+};
+
+struct test test5 = {
+ "test5", // name
+ "test 32-bit incremental values overflow",
+ 1, // update_every
+ 1, // multiplier
+ 1, // divisor
+ RRD_ALGORITHM_INCREMENTAL, // algorithm
+ 10, // feed entries
+ 9, // result entries
+ test5_feed, // feed
+ test5_results, // results
+ NULL, // feed2
+ NULL // results2
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+// test5b - 64 bit overflows
+
+struct feed_values test5b_feed[] = {
+ { 0, 0xFFFFFFFFFFFFFFFFULL / 15 * 0 },
+ { 1000000, 0xFFFFFFFFFFFFFFFFULL / 15 * 7 },
+ { 1000000, 0xFFFFFFFFFFFFFFFFULL / 15 * 14 },
+ { 1000000, 0xFFFFFFFFFFFFFFFFULL / 15 * 0 },
+ { 1000000, 0xFFFFFFFFFFFFFFFFULL / 15 * 7 },
+ { 1000000, 0xFFFFFFFFFFFFFFFFULL / 15 * 14 },
+ { 1000000, 0xFFFFFFFFFFFFFFFFULL / 15 * 0 },
+ { 1000000, 0xFFFFFFFFFFFFFFFFULL / 15 * 7 },
+ { 1000000, 0xFFFFFFFFFFFFFFFFULL / 15 * 14 },
+ { 1000000, 0xFFFFFFFFFFFFFFFFULL / 15 * 0 },
+};
+
+NETDATA_DOUBLE test5b_results[] = {
+ 0xFFFFFFFFFFFFFFFFULL / 15 * 7,
+ 0xFFFFFFFFFFFFFFFFULL / 15 * 7,
+ 0xFFFFFFFFFFFFFFFFULL / 15,
+ 0xFFFFFFFFFFFFFFFFULL / 15 * 7,
+ 0xFFFFFFFFFFFFFFFFULL / 15 * 7,
+ 0xFFFFFFFFFFFFFFFFULL / 15,
+ 0xFFFFFFFFFFFFFFFFULL / 15 * 7,
+ 0xFFFFFFFFFFFFFFFFULL / 15 * 7,
+ 0xFFFFFFFFFFFFFFFFULL / 15,
+};
+
+struct test test5b = {
+ "test5b", // name
+ "test 64-bit incremental values overflow",
+ 1, // update_every
+ 1, // multiplier
+ 1, // divisor
+ RRD_ALGORITHM_INCREMENTAL, // algorithm
+ 10, // feed entries
+ 9, // result entries
+ test5b_feed, // feed
+ test5b_results, // results
+ NULL, // feed2
+ NULL // results2
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+// test6
+
+struct feed_values test6_feed[] = {
+ { 250000, 1000 },
+ { 250000, 2000 },
+ { 250000, 3000 },
+ { 250000, 4000 },
+ { 250000, 5000 },
+ { 250000, 6000 },
+ { 250000, 7000 },
+ { 250000, 8000 },
+ { 250000, 9000 },
+ { 250000, 10000 },
+ { 250000, 11000 },
+ { 250000, 12000 },
+ { 250000, 13000 },
+ { 250000, 14000 },
+ { 250000, 15000 },
+ { 250000, 16000 },
+};
+
+NETDATA_DOUBLE test6_results[] = {
+ 4000, 4000, 4000, 4000
+};
+
+struct test test6 = {
+ "test6", // name
+ "test incremental values updated within the same second",
+ 1, // update_every
+ 1, // multiplier
+ 1, // divisor
+ RRD_ALGORITHM_INCREMENTAL, // algorithm
+ 16, // feed entries
+ 4, // result entries
+ test6_feed, // feed
+ test6_results, // results
+ NULL, // feed2
+ NULL // results2
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+// test7
+
+struct feed_values test7_feed[] = {
+ { 500000, 1000 },
+ { 2000000, 2000 },
+ { 2000000, 3000 },
+ { 2000000, 4000 },
+ { 2000000, 5000 },
+ { 2000000, 6000 },
+ { 2000000, 7000 },
+ { 2000000, 8000 },
+ { 2000000, 9000 },
+ { 2000000, 10000 },
+};
+
+NETDATA_DOUBLE test7_results[] = {
+ 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500
+};
+
+struct test test7 = {
+ "test7", // name
+ "test incremental values updated in long durations",
+ 1, // update_every
+ 1, // multiplier
+ 1, // divisor
+ RRD_ALGORITHM_INCREMENTAL, // algorithm
+ 10, // feed entries
+ 18, // result entries
+ test7_feed, // feed
+ test7_results, // results
+ NULL, // feed2
+ NULL // results2
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+// test8
+
+struct feed_values test8_feed[] = {
+ { 500000, 1000 },
+ { 2000000, 2000 },
+ { 2000000, 3000 },
+ { 2000000, 4000 },
+ { 2000000, 5000 },
+ { 2000000, 6000 },
+};
+
+NETDATA_DOUBLE test8_results[] = {
+ 1250, 2000, 2250, 3000, 3250, 4000, 4250, 5000, 5250, 6000
+};
+
+struct test test8 = {
+ "test8", // name
+ "test absolute values updated in long durations",
+ 1, // update_every
+ 1, // multiplier
+ 1, // divisor
+ RRD_ALGORITHM_ABSOLUTE, // algorithm
+ 6, // feed entries
+ 10, // result entries
+ test8_feed, // feed
+ test8_results, // results
+ NULL, // feed2
+ NULL // results2
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+// test9
+
+struct feed_values test9_feed[] = {
+ { 250000, 1000 },
+ { 250000, 2000 },
+ { 250000, 3000 },
+ { 250000, 4000 },
+ { 250000, 5000 },
+ { 250000, 6000 },
+ { 250000, 7000 },
+ { 250000, 8000 },
+ { 250000, 9000 },
+ { 250000, 10000 },
+ { 250000, 11000 },
+ { 250000, 12000 },
+ { 250000, 13000 },
+ { 250000, 14000 },
+ { 250000, 15000 },
+ { 250000, 16000 },
+};
+
+NETDATA_DOUBLE test9_results[] = {
+ 4000, 8000, 12000, 16000
+};
+
+struct test test9 = {
+ "test9", // name
+ "test absolute values updated within the same second",
+ 1, // update_every
+ 1, // multiplier
+ 1, // divisor
+ RRD_ALGORITHM_ABSOLUTE, // algorithm
+ 16, // feed entries
+ 4, // result entries
+ test9_feed, // feed
+ test9_results, // results
+ NULL, // feed2
+ NULL // results2
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+// test10
+
+struct feed_values test10_feed[] = {
+ { 500000, 1000 },
+ { 600000, 1000 + 600 },
+ { 200000, 1600 + 200 },
+ { 1000000, 1800 + 1000 },
+ { 200000, 2800 + 200 },
+ { 2000000, 3000 + 2000 },
+ { 600000, 5000 + 600 },
+ { 400000, 5600 + 400 },
+ { 900000, 6000 + 900 },
+ { 1000000, 6900 + 1000 },
+};
+
+NETDATA_DOUBLE test10_results[] = {
+ 1000, 1000, 1000, 1000, 1000, 1000, 1000
+};
+
+struct test test10 = {
+ "test10", // name
+ "test incremental values updated in short and long durations",
+ 1, // update_every
+ 1, // multiplier
+ 1, // divisor
+ RRD_ALGORITHM_INCREMENTAL, // algorithm
+ 10, // feed entries
+ 7, // result entries
+ test10_feed, // feed
+ test10_results, // results
+ NULL, // feed2
+ NULL // results2
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+// test11
+
+struct feed_values test11_feed[] = {
+ { 0, 10 },
+ { 1000000, 20 },
+ { 1000000, 30 },
+ { 1000000, 40 },
+ { 1000000, 50 },
+ { 1000000, 60 },
+ { 1000000, 70 },
+ { 1000000, 80 },
+ { 1000000, 90 },
+ { 1000000, 100 },
+};
+
+collected_number test11_feed2[] = {
+ 10, 20, 30, 40, 50, 60, 70, 80, 90, 100
+};
+
+NETDATA_DOUBLE test11_results[] = {
+ 50, 50, 50, 50, 50, 50, 50, 50, 50
+};
+
+NETDATA_DOUBLE test11_results2[] = {
+ 50, 50, 50, 50, 50, 50, 50, 50, 50
+};
+
+struct test test11 = {
+ "test11", // name
+ "test percentage-of-incremental-row with equal values",
+ 1, // update_every
+ 1, // multiplier
+ 1, // divisor
+ RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL, // algorithm
+ 10, // feed entries
+ 9, // result entries
+ test11_feed, // feed
+ test11_results, // results
+ test11_feed2, // feed2
+ test11_results2 // results2
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+// test12
+
+struct feed_values test12_feed[] = {
+ { 0, 10 },
+ { 1000000, 20 },
+ { 1000000, 30 },
+ { 1000000, 40 },
+ { 1000000, 50 },
+ { 1000000, 60 },
+ { 1000000, 70 },
+ { 1000000, 80 },
+ { 1000000, 90 },
+ { 1000000, 100 },
+};
+
+collected_number test12_feed2[] = {
+ 10*3, 20*3, 30*3, 40*3, 50*3, 60*3, 70*3, 80*3, 90*3, 100*3
+};
+
+NETDATA_DOUBLE test12_results[] = {
+ 25, 25, 25, 25, 25, 25, 25, 25, 25
+};
+
+NETDATA_DOUBLE test12_results2[] = {
+ 75, 75, 75, 75, 75, 75, 75, 75, 75
+};
+
+struct test test12 = {
+ "test12", // name
+ "test percentage-of-incremental-row with equal values",
+ 1, // update_every
+ 1, // multiplier
+ 1, // divisor
+ RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL, // algorithm
+ 10, // feed entries
+ 9, // result entries
+ test12_feed, // feed
+ test12_results, // results
+ test12_feed2, // feed2
+ test12_results2 // results2
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+// test13
+
+struct feed_values test13_feed[] = {
+ { 500000, 1000 },
+ { 600000, 1000 + 600 },
+ { 200000, 1600 + 200 },
+ { 1000000, 1800 + 1000 },
+ { 200000, 2800 + 200 },
+ { 2000000, 3000 + 2000 },
+ { 600000, 5000 + 600 },
+ { 400000, 5600 + 400 },
+ { 900000, 6000 + 900 },
+ { 1000000, 6900 + 1000 },
+};
+
+NETDATA_DOUBLE test13_results[] = {
+ 83.3333300, 100, 100, 100, 100, 100, 100
+};
+
+struct test test13 = {
+ "test13", // name
+ "test incremental values updated in short and long durations",
+ 1, // update_every
+ 1, // multiplier
+ 1, // divisor
+ RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL, // algorithm
+ 10, // feed entries
+ 7, // result entries
+ test13_feed, // feed
+ test13_results, // results
+ NULL, // feed2
+ NULL // results2
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+// test14
+
+struct feed_values test14_feed[] = {
+ { 0, 0x015397dc42151c41ULL },
+ { 13573000, 0x015397e612e3ff5dULL },
+ { 29969000, 0x015397f905ecdaa8ULL },
+ { 29958000, 0x0153980c2a6cb5e4ULL },
+ { 30054000, 0x0153981f4032fb83ULL },
+ { 34952000, 0x015398355efadaccULL },
+ { 25046000, 0x01539845ba4b09f8ULL },
+ { 29947000, 0x0153985948bf381dULL },
+ { 30054000, 0x0153986c5b9c27e2ULL },
+ { 29942000, 0x0153987f888982d0ULL },
+};
+
+NETDATA_DOUBLE test14_results[] = {
+ 23.1383300, 21.8515600, 21.8804600, 21.7788000, 22.0112200, 22.4386100, 22.0906100, 21.9150800
+};
+
+struct test test14 = {
+ "test14", // name
+ "issue #981 with real data",
+ 30, // update_every
+ 8, // multiplier
+ 1000000000, // divisor
+ RRD_ALGORITHM_INCREMENTAL, // algorithm
+ 10, // feed entries
+ 8, // result entries
+ test14_feed, // feed
+ test14_results, // results
+ NULL, // feed2
+ NULL // results2
+};
+
+struct feed_values test14b_feed[] = {
+ { 0, 0 },
+ { 13573000, 13573000 },
+ { 29969000, 13573000 + 29969000 },
+ { 29958000, 13573000 + 29969000 + 29958000 },
+ { 30054000, 13573000 + 29969000 + 29958000 + 30054000 },
+ { 34952000, 13573000 + 29969000 + 29958000 + 30054000 + 34952000 },
+ { 25046000, 13573000 + 29969000 + 29958000 + 30054000 + 34952000 + 25046000 },
+ { 29947000, 13573000 + 29969000 + 29958000 + 30054000 + 34952000 + 25046000 + 29947000 },
+ { 30054000, 13573000 + 29969000 + 29958000 + 30054000 + 34952000 + 25046000 + 29947000 + 30054000 },
+ { 29942000, 13573000 + 29969000 + 29958000 + 30054000 + 34952000 + 25046000 + 29947000 + 30054000 + 29942000 },
+};
+
+NETDATA_DOUBLE test14b_results[] = {
+ 1000000, 1000000, 1000000, 1000000, 1000000, 1000000, 1000000, 1000000
+};
+
+struct test test14b = {
+ "test14b", // name
+ "issue #981 with dummy data",
+ 30, // update_every
+ 1, // multiplier
+ 1, // divisor
+ RRD_ALGORITHM_INCREMENTAL, // algorithm
+ 10, // feed entries
+ 8, // result entries
+ test14b_feed, // feed
+ test14b_results, // results
+ NULL, // feed2
+ NULL // results2
+};
+
+struct feed_values test14c_feed[] = {
+ { 29000000, 29000000 },
+ { 1000000, 29000000 + 1000000 },
+ { 30000000, 29000000 + 1000000 + 30000000 },
+ { 30000000, 29000000 + 1000000 + 30000000 + 30000000 },
+ { 30000000, 29000000 + 1000000 + 30000000 + 30000000 + 30000000 },
+ { 30000000, 29000000 + 1000000 + 30000000 + 30000000 + 30000000 + 30000000 },
+ { 30000000, 29000000 + 1000000 + 30000000 + 30000000 + 30000000 + 30000000 + 30000000 },
+ { 30000000, 29000000 + 1000000 + 30000000 + 30000000 + 30000000 + 30000000 + 30000000 + 30000000 },
+ { 30000000, 29000000 + 1000000 + 30000000 + 30000000 + 30000000 + 30000000 + 30000000 + 30000000 + 30000000 },
+ { 30000000, 29000000 + 1000000 + 30000000 + 30000000 + 30000000 + 30000000 + 30000000 + 30000000 + 30000000 + 30000000 },
+};
+
+NETDATA_DOUBLE test14c_results[] = {
+ 1000000, 1000000, 1000000, 1000000, 1000000, 1000000, 1000000, 1000000, 1000000
+};
+
+struct test test14c = {
+ "test14c", // name
+ "issue #981 with dummy data, checking for late start",
+ 30, // update_every
+ 1, // multiplier
+ 1, // divisor
+ RRD_ALGORITHM_INCREMENTAL, // algorithm
+ 10, // feed entries
+ 9, // result entries
+ test14c_feed, // feed
+ test14c_results, // results
+ NULL, // feed2
+ NULL // results2
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+// test15
+
+struct feed_values test15_feed[] = {
+ { 0, 1068066388 },
+ { 1008752, 1068822698 },
+ { 993809, 1069573072 },
+ { 995911, 1070324135 },
+ { 1014562, 1071078166 },
+ { 994684, 1071831349 },
+ { 993128, 1072235739 },
+ { 1010332, 1072958871 },
+ { 1003394, 1073707019 },
+ { 995201, 1074460255 },
+};
+
+collected_number test15_feed2[] = {
+ 178825286, 178825286, 178825286, 178825286, 178825498, 178825498, 179165652, 179202964, 179203282, 179204130
+};
+
+NETDATA_DOUBLE test15_results[] = {
+ 5857.4080000, 5898.4540000, 5891.6590000, 5806.3160000, 5914.2640000, 3202.2630000, 5589.6560000, 5822.5260000, 5911.7520000
+};
+
+NETDATA_DOUBLE test15_results2[] = {
+ 0.0000000, 0.0000000, 0.0024944, 1.6324779, 0.0212777, 2655.1890000, 290.5387000, 5.6733610, 6.5960220
+};
+
+struct test test15 = {
+ "test15", // name
+ "test incremental with 2 dimensions",
+ 1, // update_every
+ 8, // multiplier
+ 1024, // divisor
+ RRD_ALGORITHM_INCREMENTAL, // algorithm
+ 10, // feed entries
+ 9, // result entries
+ test15_feed, // feed
+ test15_results, // results
+ test15_feed2, // feed2
+ test15_results2 // results2
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+
+int run_test(struct test *test)
+{
+ fprintf(stderr, "\nRunning test '%s':\n%s\n", test->name, test->description);
+
+ default_rrd_memory_mode = RRD_MEMORY_MODE_ALLOC;
+ default_rrd_update_every = test->update_every;
+
+ char name[101];
+ snprintfz(name, sizeof(name) - 1, "unittest-%s", test->name);
+
+ // create the chart
+ RRDSET *st = rrdset_create_localhost("netdata", name, name, "netdata", NULL, "Unit Testing", "a value", "unittest", NULL, 1
+ , test->update_every, RRDSET_TYPE_LINE);
+ RRDDIM *rd = rrddim_add(st, "dim1", NULL, test->multiplier, test->divisor, test->algorithm);
+
+ RRDDIM *rd2 = NULL;
+ if(test->feed2)
+ rd2 = rrddim_add(st, "dim2", NULL, test->multiplier, test->divisor, test->algorithm);
+
+ rrdset_flag_set(st, RRDSET_FLAG_DEBUG);
+
+ // feed it with the test data
+ time_t time_now = 0, time_start = now_realtime_sec();
+ unsigned long c;
+ collected_number last = 0;
+ for(c = 0; c < test->feed_entries; c++) {
+ if(debug_flags) fprintf(stderr, "\n\n");
+
+ if(c) {
+ time_now += test->feed[c].microseconds;
+ fprintf(stderr, " > %s: feeding position %lu, after %0.3f seconds (%0.3f seconds from start), delta " NETDATA_DOUBLE_FORMAT
+ ", rate " NETDATA_DOUBLE_FORMAT "\n",
+ test->name, c+1,
+ (float)test->feed[c].microseconds / 1000000.0,
+ (float)time_now / 1000000.0,
+ ((NETDATA_DOUBLE)test->feed[c].value - (NETDATA_DOUBLE)last) * (NETDATA_DOUBLE)test->multiplier / (NETDATA_DOUBLE)test->divisor,
+ (((NETDATA_DOUBLE)test->feed[c].value - (NETDATA_DOUBLE)last) * (NETDATA_DOUBLE)test->multiplier / (NETDATA_DOUBLE)test->divisor) / (NETDATA_DOUBLE)test->feed[c].microseconds * (NETDATA_DOUBLE)1000000);
+
+ // rrdset_next_usec_unfiltered(st, test->feed[c].microseconds);
+ st->usec_since_last_update = test->feed[c].microseconds;
+ }
+ else {
+ fprintf(stderr, " > %s: feeding position %lu\n", test->name, c+1);
+ }
+
+ fprintf(stderr, " >> %s with value " COLLECTED_NUMBER_FORMAT "\n", rrddim_name(rd), test->feed[c].value);
+ rrddim_set(st, "dim1", test->feed[c].value);
+ last = test->feed[c].value;
+
+ if(rd2) {
+ fprintf(stderr, " >> %s with value " COLLECTED_NUMBER_FORMAT "\n", rrddim_name(rd2), test->feed2[c]);
+ rrddim_set(st, "dim2", test->feed2[c]);
+ }
+
+ struct timeval now;
+ now_realtime_timeval(&now);
+ rrdset_timed_done(st, now, false);
+
+ // align the first entry to second boundary
+ if(!c) {
+ fprintf(stderr, " > %s: fixing first collection time to be %llu microseconds to second boundary\n", test->name, test->feed[c].microseconds);
+ rd->collector.last_collected_time.tv_usec = st->last_collected_time.tv_usec = st->last_updated.tv_usec = test->feed[c].microseconds;
+ // time_start = st->last_collected_time.tv_sec;
+ }
+ }
+
+ // check the result
+ int errors = 0;
+
+ if(st->counter != test->result_entries) {
+ fprintf(stderr, " %s stored %u entries, but we were expecting %lu, ### E R R O R ###\n",
+ test->name, st->counter, test->result_entries);
+ errors++;
+ }
+
+ unsigned long max = (st->counter < test->result_entries)?st->counter:test->result_entries;
+ for(c = 0 ; c < max ; c++) {
+ NETDATA_DOUBLE v = unpack_storage_number(rd->db.data[c]);
+ NETDATA_DOUBLE n = unpack_storage_number(pack_storage_number(test->results[c], SN_DEFAULT_FLAGS));
+ int same = (roundndd(v * 10000000.0) == roundndd(n * 10000000.0))?1:0;
+ fprintf(stderr, " %s/%s: checking position %lu (at %"PRId64" secs), expecting value " NETDATA_DOUBLE_FORMAT
+ ", found " NETDATA_DOUBLE_FORMAT ", %s\n",
+ test->name, rrddim_name(rd), c+1,
+ (int64_t)((rrdset_first_entry_s(st) + c * st->update_every) - time_start),
+ n, v, (same)?"OK":"### E R R O R ###");
+
+ if(!same) errors++;
+
+ if(rd2) {
+ v = unpack_storage_number(rd2->db.data[c]);
+ n = test->results2[c];
+ same = (roundndd(v * 10000000.0) == roundndd(n * 10000000.0))?1:0;
+ fprintf(stderr, " %s/%s: checking position %lu (at %"PRId64" secs), expecting value " NETDATA_DOUBLE_FORMAT
+ ", found " NETDATA_DOUBLE_FORMAT ", %s\n",
+ test->name, rrddim_name(rd2), c+1,
+ (int64_t)((rrdset_first_entry_s(st) + c * st->update_every) - time_start),
+ n, v, (same)?"OK":"### E R R O R ###");
+ if(!same) errors++;
+ }
+ }
+
+ return errors;
+}
+
+static int test_variable_renames(void) {
+ fprintf(stderr, "%s() running...\n", __FUNCTION__ );
+
+ fprintf(stderr, "Creating chart\n");
+ RRDSET *st = rrdset_create_localhost("chart", "ID", NULL, "family", "context", "Unit Testing", "a value", "unittest", NULL, 1, 1, RRDSET_TYPE_LINE);
+ fprintf(stderr, "Created chart with id '%s', name '%s'\n", rrdset_id(st), rrdset_name(st));
+
+ fprintf(stderr, "Creating dimension DIM1\n");
+ RRDDIM *rd1 = rrddim_add(st, "DIM1", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ fprintf(stderr, "Created dimension with id '%s', name '%s'\n", rrddim_id(rd1), rrddim_name(rd1));
+
+ fprintf(stderr, "Creating dimension DIM2\n");
+ RRDDIM *rd2 = rrddim_add(st, "DIM2", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ fprintf(stderr, "Created dimension with id '%s', name '%s'\n", rrddim_id(rd2), rrddim_name(rd2));
+
+ fprintf(stderr, "Renaming chart to CHARTNAME1\n");
+ rrdset_reset_name(st, "CHARTNAME1");
+ fprintf(stderr, "Renamed chart with id '%s' to name '%s'\n", rrdset_id(st), rrdset_name(st));
+
+ fprintf(stderr, "Renaming chart to CHARTNAME2\n");
+ rrdset_reset_name(st, "CHARTNAME2");
+ fprintf(stderr, "Renamed chart with id '%s' to name '%s'\n", rrdset_id(st), rrdset_name(st));
+
+ fprintf(stderr, "Renaming dimension DIM1 to DIM1NAME1\n");
+ rrddim_reset_name(st, rd1, "DIM1NAME1");
+ fprintf(stderr, "Renamed dimension with id '%s' to name '%s'\n", rrddim_id(rd1), rrddim_name(rd1));
+
+ fprintf(stderr, "Renaming dimension DIM1 to DIM1NAME2\n");
+ rrddim_reset_name(st, rd1, "DIM1NAME2");
+ fprintf(stderr, "Renamed dimension with id '%s' to name '%s'\n", rrddim_id(rd1), rrddim_name(rd1));
+
+ fprintf(stderr, "Renaming dimension DIM2 to DIM2NAME1\n");
+ rrddim_reset_name(st, rd2, "DIM2NAME1");
+ fprintf(stderr, "Renamed dimension with id '%s' to name '%s'\n", rrddim_id(rd2), rrddim_name(rd2));
+
+ fprintf(stderr, "Renaming dimension DIM2 to DIM2NAME2\n");
+ rrddim_reset_name(st, rd2, "DIM2NAME2");
+ fprintf(stderr, "Renamed dimension with id '%s' to name '%s'\n", rrddim_id(rd2), rrddim_name(rd2));
+
+ BUFFER *buf = buffer_create(1, NULL);
+ health_api_v1_chart_variables2json(st, buf);
+ fprintf(stderr, "%s", buffer_tostring(buf));
+ buffer_free(buf);
+ return 1;
+}
+
+int check_strdupz_path_subpath() {
+
+ struct strdupz_path_subpath_checks {
+ const char *path;
+ const char *subpath;
+ const char *result;
+ } checks[] = {
+ { "", "", "." },
+ { "/", "", "/" },
+ { "/etc/netdata", "", "/etc/netdata" },
+ { "/etc/netdata///", "", "/etc/netdata" },
+ { "/etc/netdata///", "health.d", "/etc/netdata/health.d" },
+ { "/etc/netdata///", "///health.d", "/etc/netdata/health.d" },
+ { "/etc/netdata", "///health.d", "/etc/netdata/health.d" },
+ { "", "///health.d", "./health.d" },
+ { "/", "///health.d", "/health.d" },
+
+ // terminator
+ { NULL, NULL, NULL }
+ };
+
+ size_t i;
+ for(i = 0; checks[i].result ; i++) {
+ char *s = strdupz_path_subpath(checks[i].path, checks[i].subpath);
+ fprintf(stderr, "strdupz_path_subpath(\"%s\", \"%s\") = \"%s\": ", checks[i].path, checks[i].subpath, s);
+ if(!s || strcmp(s, checks[i].result) != 0) {
+ freez(s);
+ fprintf(stderr, "FAILED\n");
+ return 1;
+ }
+ else {
+ freez(s);
+ fprintf(stderr, "OK\n");
+ }
+ }
+
+ return 0;
+}
+
+int run_all_mockup_tests(void)
+{
+ fprintf(stderr, "%s() running...\n", __FUNCTION__ );
+ if(check_strdupz_path_subpath())
+ return 1;
+
+ if(check_number_printing())
+ return 1;
+
+ if(check_rrdcalc_comparisons())
+ return 1;
+
+ if(!test_variable_renames())
+ return 1;
+
+ if(run_test(&test1))
+ return 1;
+
+ if(run_test(&test2))
+ return 1;
+
+ if(run_test(&test3))
+ return 1;
+
+ if(run_test(&test4))
+ return 1;
+
+ if(run_test(&test5))
+ return 1;
+
+ if(run_test(&test5b))
+ return 1;
+
+ if(run_test(&test6))
+ return 1;
+
+ if(run_test(&test7))
+ return 1;
+
+ if(run_test(&test8))
+ return 1;
+
+ if(run_test(&test9))
+ return 1;
+
+ if(run_test(&test10))
+ return 1;
+
+ if(run_test(&test11))
+ return 1;
+
+ if(run_test(&test12))
+ return 1;
+
+ if(run_test(&test13))
+ return 1;
+
+ if(run_test(&test14))
+ return 1;
+
+ if(run_test(&test14b))
+ return 1;
+
+ if(run_test(&test14c))
+ return 1;
+
+ if(run_test(&test15))
+ return 1;
+
+
+
+ return 0;
+}
+
+int unit_test(long delay, long shift)
+{
+ fprintf(stderr, "%s() running...\n", __FUNCTION__ );
+ static int repeat = 0;
+ repeat++;
+
+ char name[101];
+ snprintfz(name, sizeof(name) - 1, "unittest-%d-%ld-%ld", repeat, delay, shift);
+
+ //debug_flags = 0xffffffff;
+ default_rrd_memory_mode = RRD_MEMORY_MODE_ALLOC;
+ default_rrd_update_every = 1;
+
+ int do_abs = 1;
+ int do_inc = 1;
+ int do_abst = 0;
+ int do_absi = 0;
+
+ RRDSET *st = rrdset_create_localhost("netdata", name, name, "netdata", NULL, "Unit Testing", "a value", "unittest", NULL, 1, 1
+ , RRDSET_TYPE_LINE);
+ rrdset_flag_set(st, RRDSET_FLAG_DEBUG);
+
+ RRDDIM *rdabs = NULL;
+ RRDDIM *rdinc = NULL;
+ RRDDIM *rdabst = NULL;
+ RRDDIM *rdabsi = NULL;
+
+ if(do_abs) rdabs = rrddim_add(st, "absolute", "absolute", 1, 1, RRD_ALGORITHM_ABSOLUTE);
+ if(do_inc) rdinc = rrddim_add(st, "incremental", "incremental", 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ if(do_abst) rdabst = rrddim_add(st, "percentage-of-absolute-row", "percentage-of-absolute-row", 1, 1, RRD_ALGORITHM_PCENT_OVER_ROW_TOTAL);
+ if(do_absi) rdabsi = rrddim_add(st, "percentage-of-incremental-row", "percentage-of-incremental-row", 1, 1, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL);
+
+ long increment = 1000;
+ collected_number i = 0;
+
+ unsigned long c, dimensions = rrdset_number_of_dimensions(st);
+ RRDDIM *rd;
+
+ for(c = 0; c < 20 ;c++) {
+ i += increment;
+
+ fprintf(stderr, "\n\nLOOP = %lu, DELAY = %ld, VALUE = " COLLECTED_NUMBER_FORMAT "\n", c, delay, i);
+ if(c) {
+ // rrdset_next_usec_unfiltered(st, delay);
+ st->usec_since_last_update = delay;
+ }
+ if(do_abs) rrddim_set(st, "absolute", i);
+ if(do_inc) rrddim_set(st, "incremental", i);
+ if(do_abst) rrddim_set(st, "percentage-of-absolute-row", i);
+ if(do_absi) rrddim_set(st, "percentage-of-incremental-row", i);
+
+ if(!c) {
+ now_realtime_timeval(&st->last_collected_time);
+ st->last_collected_time.tv_usec = shift;
+ }
+
+ // prevent it from deleting the dimensions
+ rrddim_foreach_read(rd, st) {
+ rd->collector.last_collected_time.tv_sec = st->last_collected_time.tv_sec;
+ }
+ rrddim_foreach_done(rd);
+
+ rrdset_done(st);
+ }
+
+ unsigned long oincrement = increment;
+ increment = increment * st->update_every * 1000000 / delay;
+ fprintf(stderr, "\n\nORIGINAL INCREMENT: %lu, INCREMENT %ld, DELAY %ld, SHIFT %ld\n", oincrement * 10, increment * 10, delay, shift);
+
+ int ret = 0;
+ storage_number sn;
+ NETDATA_DOUBLE cn, v;
+ for(c = 0 ; c < st->counter ; c++) {
+ fprintf(stderr, "\nPOSITION: c = %lu, EXPECTED VALUE %lu\n", c, (oincrement + c * increment + increment * (1000000 - shift) / 1000000 )* 10);
+
+ rrddim_foreach_read(rd, st) {
+ sn = rd->db.data[c];
+ cn = unpack_storage_number(sn);
+ fprintf(stderr, "\t %s " NETDATA_DOUBLE_FORMAT " (PACKED AS " STORAGE_NUMBER_FORMAT ") -> ", rrddim_id(rd), cn, sn);
+
+ if(rd == rdabs) v =
+ ( oincrement
+ // + (increment * (1000000 - shift) / 1000000)
+ + (c + 1) * increment
+ );
+
+ else if(rd == rdinc) v = (c?(increment):(increment * (1000000 - shift) / 1000000));
+ else if(rd == rdabst) v = oincrement / dimensions / 10;
+ else if(rd == rdabsi) v = oincrement / dimensions / 10;
+ else v = 0;
+
+ if(v == cn) fprintf(stderr, "passed.\n");
+ else {
+ fprintf(stderr, "ERROR! (expected " NETDATA_DOUBLE_FORMAT ")\n", v);
+ ret = 1;
+ }
+ }
+ rrddim_foreach_done(rd);
+ }
+
+ if(ret)
+ fprintf(stderr, "\n\nUNIT TEST(%ld, %ld) FAILED\n\n", delay, shift);
+
+ return ret;
+}
+
+int test_sqlite(void) {
+ fprintf(stderr, "%s() running...\n", __FUNCTION__ );
+ sqlite3 *db_meta;
+ fprintf(stderr, "Testing SQLIte\n");
+
+ int rc = sqlite3_open(":memory:", &db_meta);
+ if (rc != SQLITE_OK) {
+ fprintf(stderr,"Failed to test SQLite: DB init failed\n");
+ return 1;
+ }
+
+ rc = sqlite3_exec_monitored(db_meta, "CREATE TABLE IF NOT EXISTS mine (id1, id2);", 0, 0, NULL);
+ if (rc != SQLITE_OK) {
+ fprintf(stderr,"Failed to test SQLite: Create table failed\n");
+ return 1;
+ }
+
+ rc = sqlite3_exec_monitored(db_meta, "DELETE FROM MINE LIMIT 1;", 0, 0, NULL);
+ if (rc != SQLITE_OK) {
+ fprintf(stderr,"Failed to test SQLite: Delete with LIMIT failed\n");
+ return 1;
+ }
+
+ rc = sqlite3_exec_monitored(db_meta, "UPDATE MINE SET id1=1 LIMIT 1;", 0, 0, NULL);
+ if (rc != SQLITE_OK) {
+ fprintf(stderr,"Failed to test SQLite: Update with LIMIT failed\n");
+ return 1;
+ }
+
+ rc = sqlite3_create_function(db_meta, "now_usec", 1, SQLITE_ANY, 0, sqlite_now_usec, 0, 0);
+ if (unlikely(rc != SQLITE_OK)) {
+ fprintf(stderr, "Failed to register internal now_usec function");
+ return 1;
+ }
+
+ rc = sqlite3_exec_monitored(db_meta, "UPDATE MINE SET id1=now_usec(0);", 0, 0, NULL);
+ if (rc != SQLITE_OK) {
+ fprintf(stderr,"Failed to test SQLite: Update with now_usec() failed\n");
+ return 1;
+ }
+
+ BUFFER *sql = buffer_create(ACLK_SYNC_QUERY_SIZE, NULL);
+ char *uuid_str = "0000_000";
+
+ buffer_sprintf(sql, TABLE_ACLK_ALERT, uuid_str);
+ rc = sqlite3_exec_monitored(db_meta, buffer_tostring(sql), 0, 0, NULL);
+ if (rc != SQLITE_OK)
+ goto error;
+
+ buffer_free(sql);
+ fprintf(stderr,"SQLite is OK\n");
+ rc = sqlite3_close_v2(db_meta);
+ return 0;
+error:
+ rc = sqlite3_close_v2(db_meta);
+ fprintf(stderr,"SQLite statement failed: %s\n", buffer_tostring(sql));
+ buffer_free(sql);
+ fprintf(stderr,"SQLite tests failed\n");
+ return 1;
+}
+
+static int bitmapX_test(BITMAPX *ptr, char *expected, const char *msg) {
+ int errors = 0;
+
+ for(uint32_t idx = 0; idx < ptr->bits ; idx++) {
+ bool found_set = bitmapX_get_bit(ptr, idx);
+ bool expected_set = expected[idx];
+
+ if(found_set != expected_set) {
+ fprintf(stderr, " >>> %s(): %s, bit %u is expected %s but found %s\n",
+ __FUNCTION__, msg, idx, expected_set?"SET":"UNSET", found_set?"SET":"UNSET");
+ errors++;
+ }
+ }
+
+ if(errors)
+ fprintf(stderr,"%s(): %s, found %d errors\n",
+ __FUNCTION__, msg, errors);
+
+ return errors;
+}
+
+#define bitmapX_set_bit_and_track(ptr, bit, value, expected) do { \
+ bitmapX_set_bit(ptr, bit, value); \
+ (expected)[bit] = value; \
+} while(0)
+
+int unit_test_bitmaps(void) {
+ fprintf(stderr, "%s() running...\n", __FUNCTION__ );
+
+ int errors = 0;
+
+ char expected[8192];
+
+ BITMAP256 bmp256 = BITMAP256_INITIALIZER;
+ BITMAP1024 bmp1024 = BITMAP1024_INITIALIZER;
+ BITMAPX *bmp = NULL;
+
+ for(int x = 0; x < 3 ; x++) {
+ char msg[100 + 1];
+
+ switch (x) {
+ default:
+ case 0:
+ bmp = (BITMAPX *) &bmp256;
+ break;
+
+ case 1:
+ bmp = (BITMAPX *) &bmp1024;
+ break;
+
+ case 2:
+ bmp = bitmapX_create(8192);
+ break;
+ }
+
+ // reset
+ memset(expected, 0, bmp->bits);
+ memset(bmp->data, 0, bmp->bits / 8);
+
+ snprintf(msg, 100, "TEST 1 BITMAP %u", bmp->bits);
+ bitmapX_set_bit_and_track(bmp, 0, true, expected);
+ errors += bitmapX_test(bmp, expected, msg);
+
+ snprintf(msg, 100, "TEST 2 BITMAP %u", bmp->bits);
+ bitmapX_set_bit_and_track(bmp, 64, true, expected);
+ errors += bitmapX_test(bmp, expected, msg);
+
+ snprintf(msg, 100, "TEST 3 BITMAP %u", bmp->bits);
+ bitmapX_set_bit_and_track(bmp, 128, true, expected);
+ errors += bitmapX_test(bmp, expected, msg);
+
+ snprintf(msg, 100, "TEST 4 BITMAP %u", bmp->bits);
+ bitmapX_set_bit_and_track(bmp, 192, true, expected);
+ errors += bitmapX_test(bmp, expected, msg);
+
+ for (uint32_t step = 1; step < 256; step++) {
+ snprintf(msg, 100, "TEST 5 (setting) BITMAP %u STEP %u", bmp->bits, step);
+
+ // reset
+ memset(expected, 0, bmp->bits);
+ memset(bmp->data, 0, bmp->bits / 8);
+
+ for (uint32_t i = 0; i < bmp->bits ; i += step)
+ bitmapX_set_bit_and_track(bmp, i, true, expected);
+
+ errors += bitmapX_test(bmp, expected, msg);
+ }
+
+ for (uint32_t step = 1; step < 256; step++) {
+ snprintf(msg, 100, "TEST 6 (clearing) BITMAP %u STEP %u", bmp->bits, step);
+
+ // reset
+ memset(expected, 0, bmp->bits);
+ memset(bmp->data, 0, bmp->bits / 8);
+
+ for (uint32_t i = 0; i < bmp->bits ; i++)
+ bitmapX_set_bit_and_track(bmp, i, true, expected);
+
+ for (uint32_t i = 0; i < bmp->bits ; i += step)
+ bitmapX_set_bit_and_track(bmp, i, false, expected);
+
+ errors += bitmapX_test(bmp, expected, msg);
+ }
+ }
+
+ freez(bmp);
+
+ fprintf(stderr, "%s() %d errors\n", __FUNCTION__, errors);
+ return errors;
+}
+
+#ifdef ENABLE_DBENGINE
+static inline void rrddim_set_by_pointer_fake_time(RRDDIM *rd, collected_number value, time_t now)
+{
+ rd->collector.last_collected_time.tv_sec = now;
+ rd->collector.last_collected_time.tv_usec = 0;
+ rd->collector.collected_value = value;
+ rrddim_set_updated(rd);
+
+ rd->collector.counter++;
+
+ collected_number v = (value >= 0) ? value : -value;
+ if(unlikely(v > rd->collector.collected_value_max)) rd->collector.collected_value_max = v;
+}
+
+static RRDHOST *dbengine_rrdhost_find_or_create(char *name)
+{
+ /* We don't want to drop metrics when generating load, we prefer to block data generation itself */
+
+ return rrdhost_find_or_create(
+ name,
+ name,
+ name,
+ os_type,
+ netdata_configured_timezone,
+ netdata_configured_abbrev_timezone,
+ netdata_configured_utc_offset,
+ "",
+ program_name,
+ program_version,
+ default_rrd_update_every,
+ default_rrd_history_entries,
+ RRD_MEMORY_MODE_DBENGINE,
+ default_health_enabled,
+ default_rrdpush_enabled,
+ default_rrdpush_destination,
+ default_rrdpush_api_key,
+ default_rrdpush_send_charts_matching,
+ default_rrdpush_enable_replication,
+ default_rrdpush_seconds_to_replicate,
+ default_rrdpush_replication_step,
+ NULL,
+ 0);
+}
+
+// constants for test_dbengine
+static const int CHARTS = 64;
+static const int DIMS = 16; // That gives us 64 * 16 = 1024 metrics
+#define REGIONS (3) // 3 regions of update_every
+// first region update_every is 2, second is 3, third is 1
+static const int REGION_UPDATE_EVERY[REGIONS] = {2, 3, 1};
+static const int REGION_POINTS[REGIONS] = {
+ 16384, // This produces 64MiB of metric data for the first region: update_every = 2
+ 16384, // This produces 64MiB of metric data for the second region: update_every = 3
+ 16384, // This produces 64MiB of metric data for the third region: update_every = 1
+};
+static const int QUERY_BATCH = 4096;
+
+static void test_dbengine_create_charts(RRDHOST *host, RRDSET *st[CHARTS], RRDDIM *rd[CHARTS][DIMS],
+ int update_every)
+{
+ fprintf(stderr, "%s() running...\n", __FUNCTION__ );
+ int i, j;
+ char name[101];
+
+ for (i = 0 ; i < CHARTS ; ++i) {
+ snprintfz(name, sizeof(name) - 1, "dbengine-chart-%d", i);
+
+ // create the chart
+ st[i] = rrdset_create(host, "netdata", name, name, "netdata", NULL, "Unit Testing", "a value", "unittest",
+ NULL, 1, update_every, RRDSET_TYPE_LINE);
+ rrdset_flag_set(st[i], RRDSET_FLAG_DEBUG);
+ rrdset_flag_set(st[i], RRDSET_FLAG_STORE_FIRST);
+ for (j = 0 ; j < DIMS ; ++j) {
+ snprintfz(name, sizeof(name) - 1, "dim-%d", j);
+
+ rd[i][j] = rrddim_add(st[i], name, NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
+ }
+ }
+
+ // Initialize DB with the very first entries
+ for (i = 0 ; i < CHARTS ; ++i) {
+ for (j = 0 ; j < DIMS ; ++j) {
+ rd[i][j]->collector.last_collected_time.tv_sec =
+ st[i]->last_collected_time.tv_sec = st[i]->last_updated.tv_sec = 2 * API_RELATIVE_TIME_MAX - 1;
+ rd[i][j]->collector.last_collected_time.tv_usec =
+ st[i]->last_collected_time.tv_usec = st[i]->last_updated.tv_usec = 0;
+ }
+ }
+ for (i = 0 ; i < CHARTS ; ++i) {
+ st[i]->usec_since_last_update = USEC_PER_SEC;
+
+ for (j = 0; j < DIMS; ++j) {
+ rrddim_set_by_pointer_fake_time(rd[i][j], 69, 2 * API_RELATIVE_TIME_MAX); // set first value to 69
+ }
+
+ struct timeval now;
+ now_realtime_timeval(&now);
+ rrdset_timed_done(st[i], now, false);
+ }
+ // Flush pages for subsequent real values
+ for (i = 0 ; i < CHARTS ; ++i) {
+ for (j = 0; j < DIMS; ++j) {
+ rrdeng_store_metric_flush_current_page((rd[i][j])->tiers[0].db_collection_handle);
+ }
+ }
+}
+
+// Feeds the database region with test data, returns last timestamp of region
+static time_t test_dbengine_create_metrics(RRDSET *st[CHARTS], RRDDIM *rd[CHARTS][DIMS],
+ int current_region, time_t time_start)
+{
+ fprintf(stderr, "%s() running...\n", __FUNCTION__ );
+ time_t time_now;
+ int i, j, c, update_every;
+ collected_number next;
+
+ update_every = REGION_UPDATE_EVERY[current_region];
+ time_now = time_start;
+ // feed it with the test data
+ for (i = 0 ; i < CHARTS ; ++i) {
+ for (j = 0 ; j < DIMS ; ++j) {
+ storage_engine_store_change_collection_frequency(rd[i][j]->tiers[0].db_collection_handle, update_every);
+
+ rd[i][j]->collector.last_collected_time.tv_sec =
+ st[i]->last_collected_time.tv_sec = st[i]->last_updated.tv_sec = time_now;
+ rd[i][j]->collector.last_collected_time.tv_usec =
+ st[i]->last_collected_time.tv_usec = st[i]->last_updated.tv_usec = 0;
+ }
+ }
+ for (c = 0; c < REGION_POINTS[current_region] ; ++c) {
+ time_now += update_every; // time_now = start + (c + 1) * update_every
+
+ for (i = 0 ; i < CHARTS ; ++i) {
+ st[i]->usec_since_last_update = USEC_PER_SEC * update_every;
+
+ for (j = 0; j < DIMS; ++j) {
+ next = ((collected_number)i * DIMS) * REGION_POINTS[current_region] +
+ j * REGION_POINTS[current_region] + c;
+ rrddim_set_by_pointer_fake_time(rd[i][j], next, time_now);
+ }
+
+ struct timeval now;
+ now.tv_sec = time_now;
+ now.tv_usec = 0;
+
+ rrdset_timed_done(st[i], now, false);
+ }
+ }
+ return time_now; //time_end
+}
+
+// Checks the metric data for the given region, returns number of errors
+static int test_dbengine_check_metrics(RRDSET *st[CHARTS], RRDDIM *rd[CHARTS][DIMS],
+ int current_region, time_t time_start)
+{
+ fprintf(stderr, "%s() running...\n", __FUNCTION__ );
+ uint8_t same;
+ time_t time_now, time_retrieved, end_time;
+ int i, j, k, c, errors, update_every;
+ collected_number last;
+ NETDATA_DOUBLE value, expected;
+ struct storage_engine_query_handle handle;
+ size_t value_errors = 0, time_errors = 0;
+
+ update_every = REGION_UPDATE_EVERY[current_region];
+ errors = 0;
+
+ // check the result
+ for (c = 0; c < REGION_POINTS[current_region] ; c += QUERY_BATCH) {
+ time_now = time_start + (c + 1) * update_every;
+ for (i = 0 ; i < CHARTS ; ++i) {
+ for (j = 0; j < DIMS; ++j) {
+ storage_engine_query_init(rd[i][j]->tiers[0].backend, rd[i][j]->tiers[0].db_metric_handle, &handle, time_now, time_now + QUERY_BATCH * update_every, STORAGE_PRIORITY_NORMAL);
+ for (k = 0; k < QUERY_BATCH; ++k) {
+ last = ((collected_number)i * DIMS) * REGION_POINTS[current_region] +
+ j * REGION_POINTS[current_region] + c + k;
+ expected = unpack_storage_number(pack_storage_number((NETDATA_DOUBLE)last, SN_DEFAULT_FLAGS));
+
+ STORAGE_POINT sp = storage_engine_query_next_metric(&handle);
+ value = sp.sum;
+ time_retrieved = sp.start_time_s;
+ end_time = sp.end_time_s;
+
+ same = (roundndd(value) == roundndd(expected)) ? 1 : 0;
+ if(!same) {
+ if(!value_errors)
+ fprintf(stderr, " DB-engine unittest %s/%s: at %lu secs, expecting value " NETDATA_DOUBLE_FORMAT
+ ", found " NETDATA_DOUBLE_FORMAT ", ### E R R O R ###\n",
+ rrdset_name(st[i]), rrddim_name(rd[i][j]), (unsigned long)time_now + k * update_every, expected, value);
+ value_errors++;
+ errors++;
+ }
+ if(end_time != time_now + k * update_every) {
+ if(!time_errors)
+ fprintf(stderr, " DB-engine unittest %s/%s: at %lu secs, found timestamp %lu ### E R R O R ###\n",
+ rrdset_name(st[i]), rrddim_name(rd[i][j]), (unsigned long)time_now + k * update_every, (unsigned long)time_retrieved);
+ time_errors++;
+ errors++;
+ }
+ }
+ storage_engine_query_finalize(&handle);
+ }
+ }
+ }
+
+ if(value_errors)
+ fprintf(stderr, "%zu value errors encountered\n", value_errors);
+
+ if(time_errors)
+ fprintf(stderr, "%zu time errors encountered\n", time_errors);
+
+ return errors;
+}
+
+// Check rrdr transformations
+static int test_dbengine_check_rrdr(RRDSET *st[CHARTS], RRDDIM *rd[CHARTS][DIMS],
+ int current_region, time_t time_start, time_t time_end)
+{
+ int update_every = REGION_UPDATE_EVERY[current_region];
+ fprintf(stderr, "%s() running on region %d, start time %lld, end time %lld, update every %d, on %d dimensions...\n",
+ __FUNCTION__, current_region, (long long)time_start, (long long)time_end, update_every, CHARTS * DIMS);
+ uint8_t same;
+ time_t time_now, time_retrieved;
+ int i, j, errors, value_errors = 0, time_errors = 0, value_right = 0, time_right = 0;
+ long c;
+ collected_number last;
+ NETDATA_DOUBLE value, expected;
+
+ errors = 0;
+ long points = (time_end - time_start) / update_every;
+ for (i = 0 ; i < CHARTS ; ++i) {
+ ONEWAYALLOC *owa = onewayalloc_create(0);
+ RRDR *r = rrd2rrdr_legacy(owa, st[i], points, time_start, time_end,
+ RRDR_GROUPING_AVERAGE, 0, RRDR_OPTION_NATURAL_POINTS,
+ NULL, NULL, 0, 0,
+ QUERY_SOURCE_UNITTEST, STORAGE_PRIORITY_NORMAL);
+ if (!r) {
+ fprintf(stderr, " DB-engine unittest %s: empty RRDR on region %d ### E R R O R ###\n", rrdset_name(st[i]), current_region);
+ return ++errors;
+ } else {
+ assert(r->internal.qt->request.st == st[i]);
+ for (c = 0; c != (long)rrdr_rows(r) ; ++c) {
+ RRDDIM *d;
+ time_now = time_start + (c + 1) * update_every;
+ time_retrieved = r->t[c];
+
+ // for each dimension
+ rrddim_foreach_read(d, r->internal.qt->request.st) {
+ if(unlikely(d_dfe.counter >= r->d)) break; // d_counter is provided by the dictionary dfe
+
+ j = (int)d_dfe.counter;
+
+ NETDATA_DOUBLE *cn = &r->v[ c * r->d ];
+ value = cn[j];
+ assert(rd[i][j] == d);
+
+ last = i * DIMS * REGION_POINTS[current_region] + j * REGION_POINTS[current_region] + c;
+ expected = unpack_storage_number(pack_storage_number((NETDATA_DOUBLE)last, SN_DEFAULT_FLAGS));
+
+ same = (roundndd(value) == roundndd(expected)) ? 1 : 0;
+ if(!same) {
+ if(value_errors < 20)
+ fprintf(stderr, " DB-engine unittest %s/%s: point #%ld, at %lu secs, expecting value " NETDATA_DOUBLE_FORMAT
+ ", RRDR found " NETDATA_DOUBLE_FORMAT ", ### E R R O R ###\n",
+ rrdset_name(st[i]), rrddim_name(rd[i][j]), (long) c+1, (unsigned long)time_now, expected, value);
+ value_errors++;
+ }
+ else
+ value_right++;
+
+ if(time_retrieved != time_now) {
+ if(time_errors < 20)
+ fprintf(stderr, " DB-engine unittest %s/%s: point #%ld at %lu secs, found RRDR timestamp %lu ### E R R O R ###\n",
+ rrdset_name(st[i]), rrddim_name(rd[i][j]), (long)c+1, (unsigned long)time_now, (unsigned long)time_retrieved);
+ time_errors++;
+ }
+ else
+ time_right++;
+ }
+ rrddim_foreach_done(d);
+ }
+ rrdr_free(owa, r);
+ }
+ onewayalloc_destroy(owa);
+ }
+
+ if(value_errors)
+ fprintf(stderr, "%d value errors encountered (%d were ok)\n", value_errors, value_right);
+
+ if(time_errors)
+ fprintf(stderr, "%d time errors encountered (%d were ok)\n", time_errors, value_right);
+
+ return errors + value_errors + time_errors;
+}
+
+void test_dbengine_charts_and_dims_are_not_collected(RRDSET *st[CHARTS], RRDDIM *rd[CHARTS][DIMS]) {
+ for(int c = 0; c < CHARTS ; c++) {
+ st[c]->rrdcontexts.collected = false;
+ for(int d = 0; d < DIMS ; d++)
+ rd[c][d]->rrdcontexts.collected = false;
+ }
+}
+
+int test_dbengine(void)
+{
+ fprintf(stderr, "%s() running...\n", __FUNCTION__ );
+ int i, j, errors = 0, value_errors = 0, time_errors = 0, update_every, current_region;
+ RRDHOST *host = NULL;
+ RRDSET *st[CHARTS];
+ RRDDIM *rd[CHARTS][DIMS];
+ time_t time_start[REGIONS], time_end[REGIONS];
+
+ nd_log_limits_unlimited();
+ fprintf(stderr, "\nRunning DB-engine test\n");
+
+ default_rrd_memory_mode = RRD_MEMORY_MODE_DBENGINE;
+
+ fprintf(stderr, "Initializing localhost with hostname 'unittest-dbengine'");
+ host = dbengine_rrdhost_find_or_create("unittest-dbengine");
+ if (NULL == host)
+ return 1;
+
+ current_region = 0; // this is the first region of data
+ update_every = REGION_UPDATE_EVERY[current_region]; // set data collection frequency to 2 seconds
+ test_dbengine_create_charts(host, st, rd, update_every);
+
+ time_start[current_region] = 2 * API_RELATIVE_TIME_MAX;
+ time_end[current_region] = test_dbengine_create_metrics(st,rd, current_region, time_start[current_region]);
+
+ errors += test_dbengine_check_metrics(st, rd, current_region, time_start[current_region]);
+ test_dbengine_charts_and_dims_are_not_collected(st, rd);
+
+ current_region = 1; //this is the second region of data
+ update_every = REGION_UPDATE_EVERY[current_region]; // set data collection frequency to 3 seconds
+ // Align pages for frequency change
+ for (i = 0 ; i < CHARTS ; ++i) {
+ st[i]->update_every = update_every;
+ for (j = 0; j < DIMS; ++j) {
+ rrdeng_store_metric_flush_current_page((rd[i][j])->tiers[0].db_collection_handle);
+ }
+ }
+
+ time_start[current_region] = time_end[current_region - 1] + update_every;
+ if (0 != time_start[current_region] % update_every) // align to update_every
+ time_start[current_region] += update_every - time_start[current_region] % update_every;
+ time_end[current_region] = test_dbengine_create_metrics(st,rd, current_region, time_start[current_region]);
+
+ errors += test_dbengine_check_metrics(st, rd, current_region, time_start[current_region]);
+ test_dbengine_charts_and_dims_are_not_collected(st, rd);
+
+ current_region = 2; //this is the third region of data
+ update_every = REGION_UPDATE_EVERY[current_region]; // set data collection frequency to 1 seconds
+ // Align pages for frequency change
+ for (i = 0 ; i < CHARTS ; ++i) {
+ st[i]->update_every = update_every;
+ for (j = 0; j < DIMS; ++j) {
+ rrdeng_store_metric_flush_current_page((rd[i][j])->tiers[0].db_collection_handle);
+ }
+ }
+
+ time_start[current_region] = time_end[current_region - 1] + update_every;
+ if (0 != time_start[current_region] % update_every) // align to update_every
+ time_start[current_region] += update_every - time_start[current_region] % update_every;
+ time_end[current_region] = test_dbengine_create_metrics(st,rd, current_region, time_start[current_region]);
+
+ errors += test_dbengine_check_metrics(st, rd, current_region, time_start[current_region]);
+ test_dbengine_charts_and_dims_are_not_collected(st, rd);
+
+ for (current_region = 0 ; current_region < REGIONS ; ++current_region) {
+ errors += test_dbengine_check_rrdr(st, rd, current_region, time_start[current_region], time_end[current_region]);
+ }
+
+ current_region = 1;
+ update_every = REGION_UPDATE_EVERY[current_region]; // use the maximum update_every = 3
+ long points = (time_end[REGIONS - 1] - time_start[0]) / update_every; // cover all time regions with RRDR
+ long point_offset = (time_start[current_region] - time_start[0]) / update_every;
+ for (i = 0 ; i < CHARTS ; ++i) {
+ ONEWAYALLOC *owa = onewayalloc_create(0);
+ RRDR *r = rrd2rrdr_legacy(owa, st[i], points, time_start[0] + update_every,
+ time_end[REGIONS - 1], RRDR_GROUPING_AVERAGE, 0,
+ RRDR_OPTION_NATURAL_POINTS, NULL, NULL, 0, 0,
+ QUERY_SOURCE_UNITTEST, STORAGE_PRIORITY_NORMAL);
+
+ if (!r) {
+ fprintf(stderr, " DB-engine unittest %s: empty RRDR ### E R R O R ###\n", rrdset_name(st[i]));
+ ++errors;
+ } else {
+ long c;
+
+ assert(r->internal.qt->request.st == st[i]);
+ // test current region values only, since they must be left unchanged
+ for (c = point_offset ; c < (long)(point_offset + rrdr_rows(r) / REGIONS / 2) ; ++c) {
+ RRDDIM *d;
+ time_t time_now = time_start[current_region] + (c - point_offset + 2) * update_every;
+ time_t time_retrieved = r->t[c];
+
+ // for each dimension
+ rrddim_foreach_read(d, r->internal.qt->request.st) {
+ if(unlikely(d_dfe.counter >= r->d)) break; // d_counter is provided by the dictionary dfe
+
+ j = (int)d_dfe.counter;
+
+ NETDATA_DOUBLE *cn = &r->v[ c * r->d ];
+ NETDATA_DOUBLE value = cn[j];
+ assert(rd[i][j] == d);
+
+ collected_number last = i * DIMS * REGION_POINTS[current_region] + j * REGION_POINTS[current_region] + c - point_offset + 1;
+ NETDATA_DOUBLE expected = unpack_storage_number(pack_storage_number((NETDATA_DOUBLE)last, SN_DEFAULT_FLAGS));
+
+ uint8_t same = (roundndd(value) == roundndd(expected)) ? 1 : 0;
+ if(!same) {
+ if(!value_errors)
+ fprintf(stderr, " DB-engine unittest %s/%s: at %lu secs, expecting value " NETDATA_DOUBLE_FORMAT
+ ", RRDR found " NETDATA_DOUBLE_FORMAT ", ### E R R O R ###\n",
+ rrdset_name(st[i]), rrddim_name(rd[i][j]), (unsigned long)time_now, expected, value);
+ value_errors++;
+ }
+ if(time_retrieved != time_now) {
+ if(!time_errors)
+ fprintf(stderr, " DB-engine unittest %s/%s: at %lu secs, found RRDR timestamp %lu ### E R R O R ###\n",
+ rrdset_name(st[i]), rrddim_name(rd[i][j]), (unsigned long)time_now, (unsigned long)time_retrieved);
+ time_errors++;
+ }
+ }
+ rrddim_foreach_done(d);
+ }
+ rrdr_free(owa, r);
+ }
+ onewayalloc_destroy(owa);
+ }
+
+ rrd_wrlock();
+ rrdeng_prepare_exit((struct rrdengine_instance *)host->db[0].instance);
+ rrdhost_delete_charts(host);
+ rrdeng_exit((struct rrdengine_instance *)host->db[0].instance);
+ rrdeng_enq_cmd(NULL, RRDENG_OPCODE_SHUTDOWN_EVLOOP, NULL, NULL, STORAGE_PRIORITY_BEST_EFFORT, NULL, NULL);
+ rrd_unlock();
+
+ return errors + value_errors + time_errors;
+}
+
+struct dbengine_chart_thread {
+ uv_thread_t thread;
+ RRDHOST *host;
+ char *chartname; /* Will be prefixed by type, e.g. "example_local1.", "example_local2." etc */
+ unsigned dset_charts; /* number of charts */
+ unsigned dset_dims; /* dimensions per chart */
+ unsigned chart_i; /* current chart offset */
+ time_t time_present; /* current virtual time of the benchmark */
+ volatile time_t time_max; /* latest timestamp of stored values */
+ unsigned history_seconds; /* how far back in the past to go */
+
+ volatile long done; /* initialize to 0, set to 1 to stop thread */
+ struct completion charts_initialized;
+ unsigned long errors, stored_metrics_nr; /* statistics */
+
+ RRDSET *st;
+ RRDDIM *rd[]; /* dset_dims elements */
+};
+
+collected_number generate_dbengine_chart_value(int chart_i, int dim_i, time_t time_current)
+{
+ collected_number value;
+
+ value = ((collected_number)time_current) * (chart_i + 1);
+ value += ((collected_number)time_current) * (dim_i + 1);
+ value %= 1024LLU;
+
+ return value;
+}
+
+static void generate_dbengine_chart(void *arg)
+{
+ fprintf(stderr, "%s() running...\n", __FUNCTION__ );
+ struct dbengine_chart_thread *thread_info = (struct dbengine_chart_thread *)arg;
+ RRDHOST *host = thread_info->host;
+ char *chartname = thread_info->chartname;
+ const unsigned DSET_DIMS = thread_info->dset_dims;
+ unsigned history_seconds = thread_info->history_seconds;
+ time_t time_present = thread_info->time_present;
+
+ unsigned j, update_every = 1;
+ RRDSET *st;
+ RRDDIM *rd[DSET_DIMS];
+ char name[RRD_ID_LENGTH_MAX + 1];
+ time_t time_current;
+
+ // create the chart
+ snprintfz(name, RRD_ID_LENGTH_MAX, "example_local%u", thread_info->chart_i + 1);
+ thread_info->st = st = rrdset_create(host, name, chartname, chartname, "example", NULL, chartname, chartname,
+ chartname, NULL, 1, update_every, RRDSET_TYPE_LINE);
+ for (j = 0 ; j < DSET_DIMS ; ++j) {
+ snprintfz(name, RRD_ID_LENGTH_MAX, "%s%u", chartname, j + 1);
+
+ thread_info->rd[j] = rd[j] = rrddim_add(st, name, NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
+ }
+ completion_mark_complete(&thread_info->charts_initialized);
+
+ // feed it with the test data
+ time_current = time_present - history_seconds;
+ for (j = 0 ; j < DSET_DIMS ; ++j) {
+ rd[j]->collector.last_collected_time.tv_sec =
+ st->last_collected_time.tv_sec = st->last_updated.tv_sec = time_current - update_every;
+ rd[j]->collector.last_collected_time.tv_usec =
+ st->last_collected_time.tv_usec = st->last_updated.tv_usec = 0;
+ }
+ for( ; !thread_info->done && time_current < time_present ; time_current += update_every) {
+ st->usec_since_last_update = USEC_PER_SEC * update_every;
+
+ for (j = 0; j < DSET_DIMS; ++j) {
+ collected_number value;
+
+ value = generate_dbengine_chart_value(thread_info->chart_i, j, time_current);
+ rrddim_set_by_pointer_fake_time(rd[j], value, time_current);
+ ++thread_info->stored_metrics_nr;
+ }
+ rrdset_done(st);
+ thread_info->time_max = time_current;
+ }
+ for (j = 0; j < DSET_DIMS; ++j) {
+ rrdeng_store_metric_finalize((rd[j])->tiers[0].db_collection_handle);
+ }
+}
+
+void generate_dbengine_dataset(unsigned history_seconds)
+{
+ fprintf(stderr, "%s() running...\n", __FUNCTION__ );
+ const int DSET_CHARTS = 16;
+ const int DSET_DIMS = 128;
+ const uint64_t EXPECTED_COMPRESSION_RATIO = 20;
+ RRDHOST *host = NULL;
+ struct dbengine_chart_thread **thread_info;
+ int i;
+ time_t time_present;
+
+ default_rrd_memory_mode = RRD_MEMORY_MODE_DBENGINE;
+ default_rrdeng_page_cache_mb = 128;
+ // Worst case for uncompressible data
+ default_rrdeng_disk_quota_mb = (((uint64_t)DSET_DIMS * DSET_CHARTS) * sizeof(storage_number) * history_seconds) /
+ (1024 * 1024);
+ default_rrdeng_disk_quota_mb -= default_rrdeng_disk_quota_mb * EXPECTED_COMPRESSION_RATIO / 100;
+
+ nd_log_limits_unlimited();
+ fprintf(stderr, "Initializing localhost with hostname 'dbengine-dataset'");
+
+ host = dbengine_rrdhost_find_or_create("dbengine-dataset");
+ if (NULL == host)
+ return;
+
+ thread_info = mallocz(sizeof(*thread_info) * DSET_CHARTS);
+ for (i = 0 ; i < DSET_CHARTS ; ++i) {
+ thread_info[i] = mallocz(sizeof(*thread_info[i]) + sizeof(RRDDIM *) * DSET_DIMS);
+ }
+ fprintf(stderr, "\nRunning DB-engine workload generator\n");
+
+ time_present = now_realtime_sec();
+ for (i = 0 ; i < DSET_CHARTS ; ++i) {
+ thread_info[i]->host = host;
+ thread_info[i]->chartname = "random";
+ thread_info[i]->dset_charts = DSET_CHARTS;
+ thread_info[i]->chart_i = i;
+ thread_info[i]->dset_dims = DSET_DIMS;
+ thread_info[i]->history_seconds = history_seconds;
+ thread_info[i]->time_present = time_present;
+ thread_info[i]->time_max = 0;
+ thread_info[i]->done = 0;
+ completion_init(&thread_info[i]->charts_initialized);
+ fatal_assert(0 == uv_thread_create(&thread_info[i]->thread, generate_dbengine_chart, thread_info[i]));
+ completion_wait_for(&thread_info[i]->charts_initialized);
+ completion_destroy(&thread_info[i]->charts_initialized);
+ }
+ for (i = 0 ; i < DSET_CHARTS ; ++i) {
+ fatal_assert(0 == uv_thread_join(&thread_info[i]->thread));
+ }
+
+ for (i = 0 ; i < DSET_CHARTS ; ++i) {
+ freez(thread_info[i]);
+ }
+ freez(thread_info);
+ rrd_wrlock();
+ rrdhost_free___while_having_rrd_wrlock(localhost, true);
+ rrd_unlock();
+}
+
+struct dbengine_query_thread {
+ uv_thread_t thread;
+ RRDHOST *host;
+ char *chartname; /* Will be prefixed by type, e.g. "example_local1.", "example_local2." etc */
+ unsigned dset_charts; /* number of charts */
+ unsigned dset_dims; /* dimensions per chart */
+ time_t time_present; /* current virtual time of the benchmark */
+ unsigned history_seconds; /* how far back in the past to go */
+ volatile long done; /* initialize to 0, set to 1 to stop thread */
+ unsigned long errors, queries_nr, queried_metrics_nr; /* statistics */
+ uint8_t delete_old_data; /* if non zero then data are deleted when disk space is exhausted */
+
+ struct dbengine_chart_thread *chart_threads[]; /* dset_charts elements */
+};
+
+static void query_dbengine_chart(void *arg)
+{
+ fprintf(stderr, "%s() running...\n", __FUNCTION__ );
+ struct dbengine_query_thread *thread_info = (struct dbengine_query_thread *)arg;
+ const int DSET_CHARTS = thread_info->dset_charts;
+ const int DSET_DIMS = thread_info->dset_dims;
+ time_t time_after, time_before, time_min, time_approx_min, time_max, duration;
+ int i, j, update_every = 1;
+ RRDSET *st;
+ RRDDIM *rd;
+ uint8_t same;
+ time_t time_now, time_retrieved, end_time;
+ collected_number generatedv;
+ NETDATA_DOUBLE value, expected;
+ struct storage_engine_query_handle handle;
+ size_t value_errors = 0, time_errors = 0;
+
+ do {
+ // pick a chart and dimension
+ i = random() % DSET_CHARTS;
+ st = thread_info->chart_threads[i]->st;
+ j = random() % DSET_DIMS;
+ rd = thread_info->chart_threads[i]->rd[j];
+
+ time_min = thread_info->time_present - thread_info->history_seconds + 1;
+ time_max = thread_info->chart_threads[i]->time_max;
+
+ if (thread_info->delete_old_data) {
+ /* A time window of twice the disk space is sufficient for compression space savings of up to 50% */
+ time_approx_min = time_max - (default_rrdeng_disk_quota_mb * 2 * 1024 * 1024) /
+ (((uint64_t) DSET_DIMS * DSET_CHARTS) * sizeof(storage_number));
+ time_min = MAX(time_min, time_approx_min);
+ }
+ if (!time_max) {
+ time_before = time_after = time_min;
+ } else {
+ time_after = time_min + random() % (MAX(time_max - time_min, 1));
+ duration = random() % 3600;
+ time_before = MIN(time_after + duration, time_max); /* up to 1 hour queries */
+ }
+
+ storage_engine_query_init(rd->tiers[0].backend, rd->tiers[0].db_metric_handle, &handle, time_after, time_before, STORAGE_PRIORITY_NORMAL);
+ ++thread_info->queries_nr;
+ for (time_now = time_after ; time_now <= time_before ; time_now += update_every) {
+ generatedv = generate_dbengine_chart_value(i, j, time_now);
+ expected = unpack_storage_number(pack_storage_number((NETDATA_DOUBLE) generatedv, SN_DEFAULT_FLAGS));
+
+ if (unlikely(storage_engine_query_is_finished(&handle))) {
+ if (!thread_info->delete_old_data) { /* data validation only when we don't delete */
+ fprintf(stderr, " DB-engine stresstest %s/%s: at %lu secs, expecting value " NETDATA_DOUBLE_FORMAT
+ ", found data gap, ### E R R O R ###\n",
+ rrdset_name(st), rrddim_name(rd), (unsigned long) time_now, expected);
+ ++thread_info->errors;
+ }
+ break;
+ }
+
+ STORAGE_POINT sp = storage_engine_query_next_metric(&handle);
+ value = sp.sum;
+ time_retrieved = sp.start_time_s;
+ end_time = sp.end_time_s;
+
+ if (!netdata_double_isnumber(value)) {
+ if (!thread_info->delete_old_data) { /* data validation only when we don't delete */
+ fprintf(stderr, " DB-engine stresstest %s/%s: at %lu secs, expecting value " NETDATA_DOUBLE_FORMAT
+ ", found data gap, ### E R R O R ###\n",
+ rrdset_name(st), rrddim_name(rd), (unsigned long) time_now, expected);
+ ++thread_info->errors;
+ }
+ break;
+ }
+ ++thread_info->queried_metrics_nr;
+
+ same = (roundndd(value) == roundndd(expected)) ? 1 : 0;
+ if (!same) {
+ if (!thread_info->delete_old_data) { /* data validation only when we don't delete */
+ if(!value_errors)
+ fprintf(stderr, " DB-engine stresstest %s/%s: at %lu secs, expecting value " NETDATA_DOUBLE_FORMAT
+ ", found " NETDATA_DOUBLE_FORMAT ", ### E R R O R ###\n",
+ rrdset_name(st), rrddim_name(rd), (unsigned long) time_now, expected, value);
+ value_errors++;
+ thread_info->errors++;
+ }
+ }
+ if (end_time != time_now) {
+ if (!thread_info->delete_old_data) { /* data validation only when we don't delete */
+ if(!time_errors)
+ fprintf(stderr,
+ " DB-engine stresstest %s/%s: at %lu secs, found timestamp %lu ### E R R O R ###\n",
+ rrdset_name(st), rrddim_name(rd), (unsigned long) time_now, (unsigned long) time_retrieved);
+ time_errors++;
+ thread_info->errors++;
+ }
+ }
+ }
+ storage_engine_query_finalize(&handle);
+ } while(!thread_info->done);
+
+ if(value_errors)
+ fprintf(stderr, "%zu value errors encountered\n", value_errors);
+
+ if(time_errors)
+ fprintf(stderr, "%zu time errors encountered\n", time_errors);
+}
+
+void dbengine_stress_test(unsigned TEST_DURATION_SEC, unsigned DSET_CHARTS, unsigned QUERY_THREADS,
+ unsigned RAMP_UP_SECONDS, unsigned PAGE_CACHE_MB, unsigned DISK_SPACE_MB)
+{
+ fprintf(stderr, "%s() running...\n", __FUNCTION__ );
+ const unsigned DSET_DIMS = 128;
+ const uint64_t EXPECTED_COMPRESSION_RATIO = 20;
+ const unsigned HISTORY_SECONDS = 3600 * 24 * 365 * 50; /* 50 year of history */
+ RRDHOST *host = NULL;
+ struct dbengine_chart_thread **chart_threads;
+ struct dbengine_query_thread **query_threads;
+ unsigned i, j;
+ time_t time_start, test_duration;
+
+ nd_log_limits_unlimited();
+
+ if (!TEST_DURATION_SEC)
+ TEST_DURATION_SEC = 10;
+ if (!DSET_CHARTS)
+ DSET_CHARTS = 1;
+ if (!QUERY_THREADS)
+ QUERY_THREADS = 1;
+ if (PAGE_CACHE_MB < RRDENG_MIN_PAGE_CACHE_SIZE_MB)
+ PAGE_CACHE_MB = RRDENG_MIN_PAGE_CACHE_SIZE_MB;
+
+ default_rrd_memory_mode = RRD_MEMORY_MODE_DBENGINE;
+ default_rrdeng_page_cache_mb = PAGE_CACHE_MB;
+ if (DISK_SPACE_MB) {
+ fprintf(stderr, "By setting disk space limit data are allowed to be deleted. "
+ "Data validation is turned off for this run.\n");
+ default_rrdeng_disk_quota_mb = DISK_SPACE_MB;
+ } else {
+ // Worst case for uncompressible data
+ default_rrdeng_disk_quota_mb =
+ (((uint64_t) DSET_DIMS * DSET_CHARTS) * sizeof(storage_number) * HISTORY_SECONDS) / (1024 * 1024);
+ default_rrdeng_disk_quota_mb -= default_rrdeng_disk_quota_mb * EXPECTED_COMPRESSION_RATIO / 100;
+ }
+
+ fprintf(stderr, "Initializing localhost with hostname 'dbengine-stress-test'\n");
+
+ (void) sql_init_database(DB_CHECK_NONE, 1);
+ host = dbengine_rrdhost_find_or_create("dbengine-stress-test");
+ if (NULL == host)
+ return;
+
+ chart_threads = mallocz(sizeof(*chart_threads) * DSET_CHARTS);
+ for (i = 0 ; i < DSET_CHARTS ; ++i) {
+ chart_threads[i] = mallocz(sizeof(*chart_threads[i]) + sizeof(RRDDIM *) * DSET_DIMS);
+ }
+ query_threads = mallocz(sizeof(*query_threads) * QUERY_THREADS);
+ for (i = 0 ; i < QUERY_THREADS ; ++i) {
+ query_threads[i] = mallocz(sizeof(*query_threads[i]) + sizeof(struct dbengine_chart_thread *) * DSET_CHARTS);
+ }
+ fprintf(stderr, "\nRunning DB-engine stress test, %u seconds writers ramp-up time,\n"
+ "%u seconds of concurrent readers and writers, %u writer threads, %u reader threads,\n"
+ "%u MiB of page cache.\n",
+ RAMP_UP_SECONDS, TEST_DURATION_SEC, DSET_CHARTS, QUERY_THREADS, PAGE_CACHE_MB);
+
+ time_start = now_realtime_sec() + HISTORY_SECONDS; /* move history to the future */
+ for (i = 0 ; i < DSET_CHARTS ; ++i) {
+ chart_threads[i]->host = host;
+ chart_threads[i]->chartname = "random";
+ chart_threads[i]->dset_charts = DSET_CHARTS;
+ chart_threads[i]->chart_i = i;
+ chart_threads[i]->dset_dims = DSET_DIMS;
+ chart_threads[i]->history_seconds = HISTORY_SECONDS;
+ chart_threads[i]->time_present = time_start;
+ chart_threads[i]->time_max = 0;
+ chart_threads[i]->done = 0;
+ chart_threads[i]->errors = chart_threads[i]->stored_metrics_nr = 0;
+ completion_init(&chart_threads[i]->charts_initialized);
+ fatal_assert(0 == uv_thread_create(&chart_threads[i]->thread, generate_dbengine_chart, chart_threads[i]));
+ }
+ /* barrier so that subsequent queries can access valid chart data */
+ for (i = 0 ; i < DSET_CHARTS ; ++i) {
+ completion_wait_for(&chart_threads[i]->charts_initialized);
+ completion_destroy(&chart_threads[i]->charts_initialized);
+ }
+ sleep(RAMP_UP_SECONDS);
+ /* at this point data have already began being written to the database */
+ for (i = 0 ; i < QUERY_THREADS ; ++i) {
+ query_threads[i]->host = host;
+ query_threads[i]->chartname = "random";
+ query_threads[i]->dset_charts = DSET_CHARTS;
+ query_threads[i]->dset_dims = DSET_DIMS;
+ query_threads[i]->history_seconds = HISTORY_SECONDS;
+ query_threads[i]->time_present = time_start;
+ query_threads[i]->done = 0;
+ query_threads[i]->errors = query_threads[i]->queries_nr = query_threads[i]->queried_metrics_nr = 0;
+ for (j = 0 ; j < DSET_CHARTS ; ++j) {
+ query_threads[i]->chart_threads[j] = chart_threads[j];
+ }
+ query_threads[i]->delete_old_data = DISK_SPACE_MB ? 1 : 0;
+ fatal_assert(0 == uv_thread_create(&query_threads[i]->thread, query_dbengine_chart, query_threads[i]));
+ }
+ sleep(TEST_DURATION_SEC);
+ /* stop workload */
+ for (i = 0 ; i < DSET_CHARTS ; ++i) {
+ chart_threads[i]->done = 1;
+ }
+ for (i = 0 ; i < QUERY_THREADS ; ++i) {
+ query_threads[i]->done = 1;
+ }
+ for (i = 0 ; i < DSET_CHARTS ; ++i) {
+ assert(0 == uv_thread_join(&chart_threads[i]->thread));
+ }
+ for (i = 0 ; i < QUERY_THREADS ; ++i) {
+ assert(0 == uv_thread_join(&query_threads[i]->thread));
+ }
+ test_duration = now_realtime_sec() - (time_start - HISTORY_SECONDS);
+ if (!test_duration)
+ test_duration = 1;
+ fprintf(stderr, "\nDB-engine stress test finished in %lld seconds.\n", (long long)test_duration);
+ unsigned long stored_metrics_nr = 0;
+ for (i = 0 ; i < DSET_CHARTS ; ++i) {
+ stored_metrics_nr += chart_threads[i]->stored_metrics_nr;
+ }
+ unsigned long queried_metrics_nr = 0;
+ for (i = 0 ; i < QUERY_THREADS ; ++i) {
+ queried_metrics_nr += query_threads[i]->queried_metrics_nr;
+ }
+ fprintf(stderr, "%u metrics were stored (dataset size of %lu MiB) in %u charts by 1 writer thread per chart.\n",
+ DSET_CHARTS * DSET_DIMS, stored_metrics_nr * sizeof(storage_number) / (1024 * 1024), DSET_CHARTS);
+ fprintf(stderr, "Metrics were being generated per 1 emulated second and time was accelerated.\n");
+ fprintf(stderr, "%lu metric data points were queried by %u reader threads.\n", queried_metrics_nr, QUERY_THREADS);
+ fprintf(stderr, "Query starting time is randomly chosen from the beginning of the time-series up to the time of\n"
+ "the latest data point, and ending time from 1 second up to 1 hour after the starting time.\n");
+ fprintf(stderr, "Performance is %lld written data points/sec and %lld read data points/sec.\n",
+ (long long)(stored_metrics_nr / test_duration), (long long)(queried_metrics_nr / test_duration));
+
+ for (i = 0 ; i < DSET_CHARTS ; ++i) {
+ freez(chart_threads[i]);
+ }
+ freez(chart_threads);
+ for (i = 0 ; i < QUERY_THREADS ; ++i) {
+ freez(query_threads[i]);
+ }
+ freez(query_threads);
+ rrd_wrlock();
+ rrdeng_prepare_exit((struct rrdengine_instance *)host->db[0].instance);
+ rrdhost_delete_charts(host);
+ rrdeng_exit((struct rrdengine_instance *)host->db[0].instance);
+ rrdeng_enq_cmd(NULL, RRDENG_OPCODE_SHUTDOWN_EVLOOP, NULL, NULL, STORAGE_PRIORITY_BEST_EFFORT, NULL, NULL);
+ rrd_unlock();
+}
+
+#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-18 12:10:17 +0000