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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/testkit/testapp.h>
#include <vespa/vespalib/metrics/simple_metrics.h>
#include <vespa/vespalib/metrics/simple_metrics_manager.h>
#include <vespa/vespalib/metrics/stable_store.h>
#include <vespa/vespalib/metrics/json_formatter.h>
#include <stdio.h>
#include <unistd.h>
using namespace vespalib;
using namespace vespalib::metrics;
TEST("require that simple metrics gauge merge works")
{
MetricIdentifier id(MetricName(42), Point(17));
Gauge::Measurement a1(id, 0.0);
Gauge::Measurement b1(id, 7.0);
Gauge::Measurement b2(id, 9.0);
Gauge::Measurement b3(id, 8.0);
Gauge::Measurement c1(id, 10.0);
Gauge::Measurement c2(id, 1.0);
GaugeAggregator a(a1), b(b1), c(c1);
b.merge(b2);
b.merge(b3);
c.merge(c2);
EXPECT_EQUAL(a.observedCount, 1u);
EXPECT_EQUAL(a.sumValue, 0.0);
EXPECT_EQUAL(a.minValue, 0.0);
EXPECT_EQUAL(a.maxValue, 0.0);
EXPECT_EQUAL(a.lastValue, 0.0);
EXPECT_EQUAL(b.observedCount, 3u);
EXPECT_EQUAL(b.sumValue, 24.0);
EXPECT_EQUAL(b.minValue, 7.0);
EXPECT_EQUAL(b.maxValue, 9.0);
EXPECT_EQUAL(b.lastValue, 8.0);
EXPECT_EQUAL(c.observedCount, 2u);
EXPECT_EQUAL(c.sumValue, 11.0);
EXPECT_EQUAL(c.minValue, 1.0);
EXPECT_EQUAL(c.maxValue, 10.0);
EXPECT_EQUAL(c.lastValue, 1.0);
a.minValue = 8;
a.merge(b);
EXPECT_EQUAL(a.observedCount, 4u);
EXPECT_EQUAL(a.sumValue, 24.0);
EXPECT_EQUAL(a.minValue, 7.0);
EXPECT_EQUAL(a.maxValue, 9.0);
EXPECT_EQUAL(a.lastValue, 8.0);
a.merge(b);
EXPECT_EQUAL(a.observedCount, 7u);
EXPECT_EQUAL(a.sumValue, 48.0);
EXPECT_EQUAL(a.minValue, 7.0);
EXPECT_EQUAL(a.maxValue, 9.0);
EXPECT_EQUAL(a.lastValue, 8.0);
a.merge(c);
EXPECT_EQUAL(a.observedCount, 9u);
EXPECT_EQUAL(a.sumValue, 59.0);
EXPECT_EQUAL(a.minValue, 1.0);
EXPECT_EQUAL(a.maxValue, 10.0);
EXPECT_EQUAL(a.lastValue, 1.0);
}
TEST("use simple_metrics_collector")
{
using namespace vespalib::metrics;
SimpleManagerConfig cf;
cf.sliding_window_seconds = 5;
auto manager = SimpleMetricsManager::create(cf);
Counter myCounter = manager->counter("foo");
myCounter.add();
myCounter.add(16);
Gauge myGauge = manager->gauge("bar");
myGauge.sample(42.0);
myGauge.sample(41.0);
myGauge.sample(43.0);
myGauge.sample(42.0);
Point one = manager->pointBuilder()
.bind("chain", "default")
.bind("documenttype", "music")
.bind("thread", "0").build();
Point two = manager->pointBuilder()
.bind("chain", "vespa")
.bind("documenttype", "blogpost")
.bind("thread", "1");
EXPECT_EQUAL(one.id(), 1u);
EXPECT_EQUAL(two.id(), 2u);
Point anotherOne = manager->pointBuilder()
.bind("chain", "default")
.bind("documenttype", "music")
.bind("thread", "0");
EXPECT_EQUAL(anotherOne.id(), 1u);
Point three = manager->pointBuilder(two).bind("thread", "2");
EXPECT_EQUAL(three.id(), 3u);
myCounter.add(3, one);
myCounter.add(one);
myGauge.sample(14.0, two);
myGauge.sample(11.0, three);
for (int i = 0; i < 61; ++i) {
((SimpleMetricsManager &)*manager).tick();
}
Snapshot snap = manager->totalSnapshot();
fprintf(stdout, "snap begin: %15f\n", snap.startTime());
fprintf(stdout, "snap end: %15f\n", snap.endTime());
// for (const auto& entry : snap.points()) {
// fprintf(stdout, "snap point: %zd dimension(s)\n", entry.dimensions.size());
// for (const auto& dim : entry.dimensions) {
// fprintf(stdout, " label: [%s] = '%s'\n",
// dim.dimensionName().c_str(), dim.labelValue().c_str());
// }
// }
for (const auto& entry : snap.counters()) {
fprintf(stdout, "snap counter: '%s'\n", entry.name().c_str());
for (const auto& dim : entry.point().dimensions) {
fprintf(stdout, " label: [%s] = '%s'\n",
dim.dimensionName().c_str(), dim.labelValue().c_str());
}
fprintf(stdout, " count: %zd\n", entry.count());
}
for (const auto& entry : snap.gauges()) {
fprintf(stdout, "snap gauge: '%s'\n", entry.name().c_str());
for (const auto& dim : entry.point().dimensions) {
fprintf(stdout, " label: [%s] = '%s'\n",
dim.dimensionName().c_str(), dim.labelValue().c_str());
}
fprintf(stdout, " observed: %zd\n", entry.observedCount());
fprintf(stdout, " avg: %f\n", entry.averageValue());
fprintf(stdout, " min: %f\n", entry.minValue());
fprintf(stdout, " max: %f\n", entry.maxValue());
fprintf(stdout, " last: %f\n", entry.lastValue());
}
JsonFormatter fmt(snap);
fprintf(stdout, "JSON format:\n>>>\n%s\n<<<\n", fmt.asString().c_str());
}
TEST_MAIN() { TEST_RUN_ALL(); }
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