version 1.22.0
source tree changed detached PIConsole and PIScreen* in "pip_console" library
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144
lib/main/system/pisystemmonitor.h
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144
lib/main/system/pisystemmonitor.h
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/*
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PIP - Platform Independent Primitives
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Process resource monitor
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Ivan Pelipenko peri4ko@yandex.ru
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef PISYSTEMMONITOR_H
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#define PISYSTEMMONITOR_H
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#include "pithread.h"
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#include "pifile.h"
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class PIP_EXPORT PISystemMonitor: public PIThread
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{
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PIOBJECT_SUBCLASS(PISystemMonitor, PIThread)
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friend class PIIntrospectionServer;
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public:
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PISystemMonitor();
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~PISystemMonitor();
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#pragma pack(push, 1)
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struct ProcessStatsFixed {
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ProcessStatsFixed();
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int ID;
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int parent_ID;
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int group_ID;
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int session_ID;
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int priority;
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int threads;
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ullong physical_memsize;
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ullong resident_memsize;
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ullong share_memsize;
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ullong virtual_memsize;
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ullong data_memsize;
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ullong ram_total;
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ullong ram_free;
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ullong ram_used;
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float cpu_load_system;
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float cpu_load_user;
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};
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struct ThreadStatsFixed {
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ThreadStatsFixed();
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llong id;
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PISystemTime work_time;
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PISystemTime kernel_time;
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PISystemTime user_time;
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float cpu_load_kernel;
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float cpu_load_user;
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};
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#pragma pack(pop)
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struct ProcessStats: ProcessStatsFixed {
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void makeStrings();
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PIString exec_name;
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PIString state;
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PIString physical_memsize_readable;
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PIString resident_memsize_readable;
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PIString share_memsize_readable;
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PIString virtual_memsize_readable;
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PIString data_memsize_readable;
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};
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struct ThreadStats: ThreadStatsFixed {
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PIString name;
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PIDateTime created;
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};
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#ifndef FREERTOS
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bool startOnProcess(int pID, int interval_ms = 1000);
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#endif
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bool startOnSelf(int interval_ms = 1000);
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void stop();
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int pID() const {return pID_;}
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ProcessStats statistic() const;
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PIVector<ThreadStats> threadsStatistic() const;
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void setStatistic(const ProcessStats & s);
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static ullong totalRAM();
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static ullong freeRAM();
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static ullong usedRAM();
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private:
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void run();
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void gatherThread(llong id);
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float calcThreadUsage(PISystemTime & t_new, PISystemTime & t_old);
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ProcessStats stat;
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PIVector<ThreadStats> cur_ts;
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PIMap<llong, ThreadStats> last_tm, cur_tm;
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PIMap<llong, PIString> tbid;
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mutable PIMutex stat_mutex;
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int pID_, page_size, cpu_count, cycle;
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#ifndef FREERTOS
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PRIVATE_DECLARATION
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#endif
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class Pool {
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friend class PISystemMonitor;
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public:
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static Pool * instance();
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PISystemMonitor * getByPID(int pID);
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private:
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void add(PISystemMonitor * sm);
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void remove(PISystemMonitor * sm);
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PIMap<int, PISystemMonitor*> sysmons;
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PIMutex mutex;
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};
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};
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inline PICout operator <<(PICout s, const PISystemMonitor::ThreadStats & v) {
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s.setControl(0, true);
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s << "ThreadInfo(\"" << v.name << "\", created " << v.created
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<< ", work " << v.work_time.toMilliseconds() << " ms"
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<< ", kernel " << v.kernel_time.toMilliseconds() << " ms"
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<< ", user " << v.user_time.toMilliseconds() << " ms"
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<< ")\n";
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s.restoreControl();
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return s;
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}
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PIByteArray & operator <<(PIByteArray & s, const PISystemMonitor::ProcessStats & v);
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PIByteArray & operator >>(PIByteArray & s, PISystemMonitor::ProcessStats & v);
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PIByteArray & operator <<(PIByteArray & s, const PISystemMonitor::ThreadStats & v);
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PIByteArray & operator >>(PIByteArray & s, PISystemMonitor::ThreadStats & v);
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#endif // PISYSTEMMONITOR_H
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