services/stats.cpp

   1 /* Quarn OS
   2  *
   3  * Stats
   4  *
   5  * Copyright (C) 2009 Pawel Dziepak
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  */
  22
  23 #include "stats.h"
  24 #include "manes/manec.h"
  25 #include "arch/low/pit.h"
  26 #include "manes/typeinfo"
  27 #include "resources/foma.h"
  28 #include "services/unmangler.h"
  29 #include "kernel_state.h"
  30
  31 using namespace manes;
  32 using namespace services;
  33
  34 extern unsigned int allocated_memory;
  35 extern int alloc_memory;
  36
  37 unsigned int stats::get_value(stat_value v) const {
  38         switch (v) {
  39                 case ks_tickfreq :
  40                         return arch::clock_freq;
  41                 case ks_timeticks :
  42                         return manec::get()->state()->get_time();
  43                 case mem_all :
  44                         return manec::get()->state()->get_memory_size();
  45                 case mem_allocated :
  46                         return allocated_memory;
  47         }
  48
  49         return 0;
  50 }
  51 extern p<resources::memm> allocator;
  52 string stats::full_stats() const {
  53         string s = "\nQuarn OS statistics service\n";
  54         s += "---------------------------\n\n";
  55         s += (string)" * Hardware\n";
  56         s += (string)"  -> available memory:\t" + manec::get()->state()->get_memory_size();
  57         s += (string)"\n  -> allocated memory:\t" + allocated_memory;
  58         s += (string)"\n  -> efficiency:\t" + (resources::foma::used_memory * 100 / alloc_memory) + "%";
  59         s += (string)"\n  -> memory allocator:\t" + manec::get()->get<unmangler>("/unmangler")->unmangle(typeid(*allocator).name());
  60         s += (string)"\n\n * Execution Flow Controller\n";
  61         s += (string)"  -> remote calls:\t" + get_value(efc_remotecalls);
  62         s += (string)"\n  -> local calls:\t" + get_value(efc_localcalls);
  63         s += (string)"\n  -> total:\t\t" + get_value(efc_calls);
  64         s += (string)"\n\n * Kernel state\n";
  65         s += (string)"  -> clock frequency:\t" + get_value(ks_tickfreq);
  66         s += (string)"\n  -> time ticks:\t" + get_value(ks_timeticks);
  67         s += (string)"\n";
  68         return s;
  69 }
  70
  71 void stats::register_type() {
  72         manec::get()->register_type<stats>("stats", "service");
  73 }