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Summary: Ref T10562 Test Plan: N/A Reviewers: qinzuoyan, cailiuyang, wutao1, heyuchen, laiyingchun Reviewed By: qinzuoyan Subscribers: #pegasus Maniphest Tasks: T10562 Differential Revision: https://phabricator.d.xiaomi.net/D81734
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| /* | ||
| * The MIT License (MIT) | ||
| * | ||
| * Copyright (c) 2015 Microsoft Corporation | ||
| * | ||
| * -=- Robust Distributed System Nucleus (rDSN) -=- | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in | ||
| * all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| * THE SOFTWARE. | ||
| */ | ||
|
|
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| #pragma once | ||
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| #include <dsn/service_api_c.h> | ||
| #include <dsn/tool-api/perf_counter.h> | ||
| #include <dsn/tool-api/perf_counters.h> | ||
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| namespace dsn { | ||
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| // | ||
| // perf_counter_wrapper is a wrapper class for perf-counter operations, users should use this class | ||
| // instead of the dsn::perf_counter where a performance counter is needed. | ||
| // | ||
| // for example: | ||
| // class A{ | ||
| // public: | ||
| // A() { | ||
| // _p1.init_global_counter(...) | ||
| // _p2.init_app_counter(...) | ||
| // } | ||
| // private: | ||
| // perf_counter_wrapper _p1; | ||
| // perf_counter_wrapper _p2; | ||
| // }; | ||
| // | ||
| // user should call init_global_counter/init_app_counter to initialize the counter. | ||
| // all the initialized counters are stored in the singleton dsn::perf_counters, | ||
| // users can collect all counters of the process and intergrate it with monitor system. | ||
| // | ||
| // after the init_xxx_counter is called, the counter constructed with the (app, section, name) is | ||
| // OWNED by object of type A. | ||
| // if user declare another perf_counter_wrapper variable and initialized with same | ||
| // (app, section, name) will get nullptr of _counter. | ||
| // | ||
| class perf_counter_wrapper | ||
| { | ||
| public: | ||
| perf_counter_wrapper() { _counter = nullptr; } | ||
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| perf_counter_wrapper(const perf_counter_wrapper &other) = delete; | ||
| perf_counter_wrapper(perf_counter_wrapper &other) = delete; | ||
| perf_counter_wrapper(perf_counter_wrapper &&other) = delete; | ||
| perf_counter_wrapper &operator=(const perf_counter_wrapper &other) = delete; | ||
| perf_counter_wrapper &operator=(perf_counter_wrapper &other) = delete; | ||
| perf_counter_wrapper &operator=(perf_counter_wrapper &&other) = delete; | ||
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| ~perf_counter_wrapper() { clear(); } | ||
|
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| // clear the real perf-counter object. | ||
| // call this function if you want free the counter before the wrapper's destructor is called | ||
| void clear() | ||
| { | ||
| if (nullptr != _counter) { | ||
| dsn::perf_counters::instance().remove_counter(_counter->full_name()); | ||
| _counter = nullptr; | ||
| } | ||
| } | ||
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| // init app counter create counters for some specific service_app, so different | ||
| // service_app can create counter with the same name. | ||
| void init_app_counter(const char *section, | ||
| const char *name, | ||
| dsn_perf_counter_type_t type, | ||
| const char *dsptr) | ||
| { | ||
| dsn::perf_counter_ptr c = | ||
| dsn::perf_counters::instance().new_app_counter(section, name, type, dsptr); | ||
| _counter = c.get(); | ||
| } | ||
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| // init global counter create counters globally. | ||
| void init_global_counter(const char *app, | ||
| const char *section, | ||
| const char *name, | ||
| dsn_perf_counter_type_t type, | ||
| const char *dsptr) | ||
| { | ||
| dsn::perf_counter_ptr c = | ||
| dsn::perf_counters::instance().new_global_counter(app, section, name, type, dsptr); | ||
| _counter = c.get(); | ||
| } | ||
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| dsn::perf_counter *get() const { return _counter; } | ||
| dsn::perf_counter *operator->() const { return _counter; } | ||
| private: | ||
| // use raw pointer to make the class object small, so it can be accessed quickly | ||
| dsn::perf_counter *_counter; | ||
| }; | ||
| } |
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