library/cpp/actors/core/process_stats.h


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#pragma once

#include "defs.h"
#include "actor.h"

#include <library/cpp/monlib/dynamic_counters/counters.h>

namespace NMonitoring {
    class TMetricRegistry;
}

namespace NActors {
    struct TProcStat { 
        ui64 Rss; 
        ui64 VolCtxSwtch; 
        ui64 NonvolCtxSwtch; 
 
        int Pid; 
        char State; 
        int Ppid; 
        int Pgrp; 
        int Session; 
        int TtyNr; 
        int TPgid; 
        unsigned Flags; 
        unsigned long MinFlt; 
        unsigned long CMinFlt; 
        unsigned long MajFlt; 
        unsigned long CMajFlt; 
        unsigned long Utime; 
        unsigned long Stime; 
        long CUtime; 
        long CStime; 
        long Priority; 
        long Nice; 
        long NumThreads; 
        long ItRealValue; 
        // StartTime is measured from system boot 
        unsigned long long StartTime; 
        unsigned long Vsize; 
        long RssPages; 
        unsigned long RssLim; 
        ui64 FileRss; 
        ui64 AnonRss; 
        ui64 CGroupMemLim = 0; 
 
        TDuration Uptime; 
        TDuration SystemUptime; 
        // ... 
 
        TProcStat() { 
            Zero(*this); 
            Y_UNUSED(PageSize); 
        } 
 
        bool Fill(pid_t pid); 
 
    private: 
        long PageSize = 0; 
 
        long ObtainPageSize(); 
    }; 
 
    IActor* CreateProcStatCollector(ui32 intervalSec, NMonitoring::TDynamicCounterPtr counters);
    IActor* CreateProcStatCollector(TDuration interval, NMonitoring::TMetricRegistry& registry);
}