diff options
Diffstat (limited to 'M4-RCs/qpid/cpp/src/qpid/sys/ActivityTimer.h')
-rw-r--r-- | M4-RCs/qpid/cpp/src/qpid/sys/ActivityTimer.h | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/M4-RCs/qpid/cpp/src/qpid/sys/ActivityTimer.h b/M4-RCs/qpid/cpp/src/qpid/sys/ActivityTimer.h deleted file mode 100644 index d49e16bc4f..0000000000 --- a/M4-RCs/qpid/cpp/src/qpid/sys/ActivityTimer.h +++ /dev/null @@ -1,106 +0,0 @@ -#ifndef QPID_SYS_ACTIVITYTIMER_H -#define QPID_SYS_ACTIVITYTIMER_H - -/* - * - * 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 "qpid/sys/Time.h" -#include "qpid/sys/Thread.h" -#include <boost/current_function.hpp> -#include <stdio.h> - -namespace qpid { -namespace sys { - -/** - * Measures and reports time spent in a particular segment of code. - * This is real time so it includes time blocked/sleeping as well as time on CPU. - * - * Intended to be used via the QPID_ACTIVITY_TIMER macro for profiling - * during development & debugging - */ -class ActivityTimer -{ - public: - - struct Stat { // Must be a POD - uint64_t total, count; - void sample(uint64_t value) { total += value; ++count; } - uint64_t mean() { return count ? total/count : 0; } - void reset() { total = count = 0; } - }; - - struct Data { // Must be a POD - uint64_t start, entered; - Stat active; - - void reset() { - start = entered = 0; - active.reset(); - } - - void enter(uint64_t now) { - entered=now; - if (!start) start = Duration(now); - } - - void exit(uint64_t now) { - active.sample(now - entered); - } - }; - - ActivityTimer(Data& d, const char* fn, const char* file, int line, uint64_t reportInterval) : data(d) { - uint64_t now = Duration(qpid::sys::now()); - if (data.start) { - interval = now-data.start; - if (interval > reportInterval) - report(fn, file, line); - } - data.enter(now); - } - - ~ActivityTimer() { - data.exit(Duration(now())); - } - - private: - Data& data; - uint64_t interval; - - void report(const char* fn, const char* file, int line) { - long rate = (data.active.count*TIME_SEC)/interval; - double percent = (data.active.total*100.0)/interval; - printf("%s:%d: TIMER %ld/sec %f%% [%lu] %s\n", - file, line, rate, percent, Thread::current().id(), fn); - data.reset(); - } -}; - -}} // namespace qpid::sys - -/** Measures time between the point of declaration and the end of the innermost enclosing scope. - * Can only have one in a given scope. - */ -#define ACTIVITY_TIMER(REPORT_INTERVAL_SECS) \ - static __thread ::qpid::sys::ActivityTimer::Data qpid__ActivityTimerData__ = { 0, 0, { 0,0 }}; \ - ::qpid::sys::ActivityTimer qpid__ActivityTimerInstance__(qpid__ActivityTimerData__, BOOST_CURRENT_FUNCTION, __FILE__, __LINE__, 2*::qpid::sys::TIME_SEC) - -#endif /*!QPID_SYS_ACTIVITYTIMER_H*/ |