"Fossies" - the Fresh Open Source Software Archive

Member "xosview-1.23/irix65/cpumeter.cc" (11 Jul 2020, 3132 Bytes) of package /linux/misc/xosview-1.23.tar.gz:

    1 //
    2 //  Initial port performed by Stefan Eilemann (eilemann@gmail.com)
    3 //
    4 #include "cpumeter.h"
    5 #include "xosview.h"
    6 #include <stdlib.h>
    7 #include <unistd.h>
    8 #include <ctype.h>
    9 #include <string.h>
   10 #include <sstream>
   11 
   12 CPUMeter::CPUMeter(XOSView *parent, int cpuid)
   13     : FieldMeterGraph(parent, USED_CPU_STATES, toUpper(cpuStr(cpuid)),
   14         "USER/SYS/INTR/WAIT/IDLE")
   15 {
   16     for (int i = 0 ; i < 2 ; i++)
   17         for (int j = 0 ; j < USED_CPU_STATES ; j++)
   18             cputime_[i][j] = 0;
   19 
   20     if ((sinfosz = sysmp(MP_SASZ, MPSA_SINFO)) < 0) {
   21            std::cerr << "sysinfo scall interface not supported" << endl;
   22         parent_->done(1);
   23         return;
   24     }
   25     cpuid_ = cpuid;
   26     cpuindex_ = 0;
   27 }
   28 
   29 CPUMeter::~CPUMeter(void)
   30 {
   31 }
   32 
   33 void CPUMeter::checkResources(void)
   34 {
   35     FieldMeterGraph::checkResources();
   36 
   37     setfieldcolor(0, parent_->getResource("cpuUserColor"));
   38     setfieldcolor(1, parent_->getResource("cpuSystemColor"));
   39     setfieldcolor(2, parent_->getResource("cpuInterruptColor"));
   40     setfieldcolor(3, parent_->getResource("cpuWaitColor"));
   41     setfieldcolor(4, parent_->getResource("cpuFreeColor"));
   42     priority_ = atoi(parent_->getResource("cpuPriority"));
   43     dodecay_ = parent_->isResourceTrue("cpuDecay");
   44     useGraph_ = parent_->isResourceTrue("cpuGraph");
   45     SetUsedFormat(parent_->getResource("cpuUsedFormat"));
   46 }
   47 
   48 void CPUMeter::checkevent(void)
   49 {
   50     getcputime();
   51     drawfields();
   52 }
   53 
   54 void CPUMeter::getcputime(void)
   55 {
   56     total_ = 0;
   57 
   58     if(cpuid_==-1)
   59         sysmp(MP_SAGET, MPSA_SINFO, (char *) &tsp, sinfosz);
   60     else
   61         sysmp(MP_SAGET1, MPSA_SINFO, (char *) &tsp, sinfosz, cpuid_);
   62 
   63     tsp.cpu[CPU_WAIT] -= (tsp.wait[W_GFXF] + tsp.wait[W_GFXC]);
   64 
   65     cputime_[cpuindex_][0] = tsp.cpu[CPU_USER];
   66     cputime_[cpuindex_][1] = tsp.cpu[CPU_KERNEL];
   67     cputime_[cpuindex_][2] = tsp.cpu[CPU_INTR];
   68     cputime_[cpuindex_][3] = tsp.cpu[CPU_WAIT];
   69     cputime_[cpuindex_][4] = tsp.cpu[CPU_IDLE] + tsp.cpu[CPU_SXBRK];
   70 
   71     int oldindex = (cpuindex_ + 1) % 2;
   72     for (int i = 0 ; i < USED_CPU_STATES ; i++) {
   73         fields_[i] = cputime_[cpuindex_][i] - cputime_[oldindex][i];
   74         total_ += fields_[i];
   75     }
   76     cpuindex_ = (cpuindex_ + 1) % 2;
   77 
   78     if (total_)
   79         setUsed(total_ - fields_[3] - fields_[4], total_); // wait doesn't count
   80     // as used
   81 }
   82 
   83 const char *CPUMeter::toUpper(const char *str)
   84 {
   85     static char buffer[256];
   86     strncpy(buffer, str, 256);
   87     for (char *tmp = buffer ; *tmp != '\0' ; tmp++)
   88         *tmp = toupper(*tmp);
   89 
   90     return buffer;
   91 }
   92 
   93 const char *CPUMeter::cpuStr(int num)
   94 {
   95     static char buffer[32];
   96     const int nCPU = nCPUs();
   97 
   98     if( nCPU==1 || num==-1 )
   99     {
  100         snprintf(buffer, 32, "CPU");
  101     }
  102     else if( nCPU<=10 )
  103     {
  104         snprintf(buffer, 32, "#%d", num);
  105     }
  106     else if ( nCPU<=100 )
  107     {
  108         snprintf(buffer, 32, "#%02d", num);
  109     }
  110     else if ( nCPU<=1000 )
  111     {
  112         snprintf(buffer, 32, "#%03d", num);
  113     }
  114     else
  115     {
  116         snprintf(buffer, 32, "%4.1d", num);
  117     }
  118     return buffer;
  119 }
  120 
  121 int CPUMeter::nCPUs()
  122 {
  123     return sysmp(MP_NPROCS); // FIXME: use NAPROCS + identify 'unused procs'
  124 }