122 lines
1.9 KiB
C++
Executable File
122 lines
1.9 KiB
C++
Executable File
/*
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* This file is a part of Winix
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* and is not publicly distributed
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*
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* Copyright (c) 2008-2014, Tomasz Sowa
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* All rights reserved.
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*
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*/
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#ifndef headerfile_winix_core_loadavg
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#define headerfile_winix_core_loadavg
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#include <ctime>
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namespace Winix
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{
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// in seconds
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#define WINIX_LOADAVG_GRANULARITY1 2
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#define WINIX_LOADAVG_GRANULARITY5 15
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#define WINIX_LOADAVG_GRANULARITY15 45
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class LoadAvg
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{
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public:
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LoadAvg();
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~LoadAvg();
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LoadAvg & operator=(const LoadAvg & l);
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LoadAvg(const LoadAvg & l);
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void StartRequest();
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void StopRequest();
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double LoadAvgNow(); // load average withing last WINIX_LOADAVG_GRANULARITY1 seconds
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double LoadAvg1();
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double LoadAvg5();
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double LoadAvg15();
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double ReqPerSecNow();
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double ReqPerSec1();
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double ReqPerSec5();
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double ReqPerSec15();
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private:
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struct Times
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{
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double dr; // time for the request (in seconds)
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double dp; // time for the pause between requestes (in seconds)
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long req; // how many requests
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void Clear()
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{
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dr = 0.0;
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dp = 0.0;
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req = 0;
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}
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Times & operator=(const Times & t)
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{
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dr = t.dr;
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dp = t.dp;
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req = t.req;
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return *this;
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}
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};
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void CheckTimers();
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void UpdateTimer1();
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void UpdateTimer5();
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void UpdateTimer15();
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Times current1;
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Times current5;
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Times current15;
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void CreateTable(size_t seconds, size_t granulatiry, Times* & tab, size_t & len);
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void CreateTable();
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void MoveTab(Times * tab, size_t len);
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void SumTab(Times * tab, size_t len, double expected, Times & t);
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void Calculate1();
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void Calculate5();
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void Calculate15();
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bool was_stop_request;
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timespec start_req, stop_req;
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Times * tab1;
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size_t len1;
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Times * tab5;
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size_t len5;
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Times * tab15;
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size_t len15;
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double cache_load1;
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double cache_load5;
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double cache_load15;
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double cache_req_per_sec1;
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double cache_req_per_sec5;
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double cache_req_per_sec15;
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};
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} // namespace Winix
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#endif
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