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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
#include "TimerWarnings.h"
#include "qpid/log/Statement.h"
namespace qpid {
namespace sys {
TimerWarnings::TimerWarnings(Duration reportInterval) :
interval(reportInterval),
nextReport(now(), reportInterval)
{}
void TimerWarnings::late(const std::string& task, Duration delay) {
taskStats[task].lateDelay.add(delay);
log();
}
void TimerWarnings::overran(const std::string& task, Duration overrun, Duration time)
{
taskStats[task].overranOverrun.add(overrun);
taskStats[task].overranTime.add(time);
log();
}
void TimerWarnings::lateAndOverran(
const std::string& task, Duration delay, Duration overrun, Duration time)
{
taskStats[task].lateAndOverranDelay.add(delay);
taskStats[task].lateAndOverranOverrun.add(overrun);
taskStats[task].lateAndOverranTime.add(time);
log();
}
void TimerWarnings::log() {
if (!taskStats.empty() && nextReport < now()) {
for (TaskStatsMap::iterator i = taskStats.begin(); i != taskStats.end(); ++i) {
std::string task = i->first;
TaskStats& stats = i->second;
if (stats.lateDelay.count)
QPID_LOG(warning, task << " task late "
<< stats.lateDelay.count << " times by "
<< stats.lateDelay.average()/TIME_MSEC << "ms on average.");
if (stats.overranOverrun.count)
QPID_LOG(warning, task << " task overran "
<< stats.overranOverrun.count << " times by "
<< stats.overranOverrun.average()/TIME_MSEC << "ms (taking "
<< stats.overranTime.average() << "ns) on average.");
if (stats.lateAndOverranOverrun.count)
QPID_LOG(warning, task << " task late and overran "
<< stats.lateAndOverranOverrun.count << " times: late "
<< stats.lateAndOverranDelay.average()/TIME_MSEC << "ms, overran "
<< stats.lateAndOverranOverrun.average()/TIME_MSEC << "ms (taking "
<< stats.lateAndOverranTime.average() << "ns) on average.");
}
nextReport = AbsTime(now(), interval);
taskStats.clear();
}
}
}} // namespace qpid::sys
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