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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "visitormetrics.h"
#include <vespa/vespalib/util/exceptions.h>
#include <vespa/vespalib/stllike/asciistream.h>
namespace storage {
VisitorMetrics::VisitorMetrics()
: metrics::MetricSet("visitor", {{"visitor"}}, ""),
queueSize("cv_queuesize", {}, "Size of create visitor queue", this),
queueSkips("cv_skipqueue", {},
"Number of times we could skip queue as we had free visitor "
"spots", this),
queueFull("cv_queuefull", {},
"Number of create visitor messages failed as queue is full",
this),
queueWaitTime("cv_queuewaittime", {},
"Milliseconds waiting in create visitor queue, for visitors "
"that was added to visitor queue but scheduled later", this),
queueTimeoutWaitTime("cv_queuetimeoutwaittime", {},
"Milliseconds waiting in create visitor queue, for visitors "
"that timed out while in the visitor quueue", this),
queueEvictedWaitTime("cv_queueevictedwaittime", {},
"Milliseconds waiting in create visitor queue, for visitors "
"that was evicted from queue due to higher priority visitors "
"coming", this),
threads(),
sum("allthreads", {{"sum"}}, "", this)
{
queueSize.unsetOnZeroValue();
}
VisitorMetrics::~VisitorMetrics() = default;
void
VisitorMetrics::initThreads(uint16_t threadCount) {
if (!threads.empty()) {
throw vespalib::IllegalStateException("Cannot initialize visitor metrics twice", VESPA_STRLOC);
}
threads.clear();
threads.resize(threadCount);
for (uint32_t i=0; i<threads.size(); ++i) {
vespalib::asciistream ost;
ost << "visitor_thread_" << i;
threads[i] = std::make_shared<VisitorThreadMetrics>( ost.str(), ost.str());
registerMetric(*threads[i]);
sum.addMetricToSum(*threads[i]);
}
}
}
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