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Diffstat (limited to 'qpid/cpp/src/qpid/sys/TimerWarnings.cpp')
-rw-r--r-- | qpid/cpp/src/qpid/sys/TimerWarnings.cpp | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/sys/TimerWarnings.cpp b/qpid/cpp/src/qpid/sys/TimerWarnings.cpp new file mode 100644 index 0000000000..87c3169456 --- /dev/null +++ b/qpid/cpp/src/qpid/sys/TimerWarnings.cpp @@ -0,0 +1,82 @@ +/* + * + * 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 |