examples/perfcounter/perf_writer_process.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  Performance Counter Daemon
   4  *
   5  *  Copyright (C) Marcin Krzysztof Porwit    2005
   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 3 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
  18  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include "perf.h"
  22
  23 void get_processinfo(PERF_DATA_BLOCK *data)
  24 {
  25   int status;
  26   struct sysinfo info;
  27   status = sysinfo(&info);
  28
  29   data->processInfo.data->runningProcessCount = (unsigned int)info.procs;
  30
  31   return;
  32 }
  33
  34 void init_processdata_desc(PERF_DATA_BLOCK *data)
  35 {
  36   init_perf_counter(&(data->processInfo.processObjDesc),
  37                     &(data->processInfo.processObjDesc),
  38                     get_counter_id(data),
  39                     "Processes",
  40                     "%The Processes performance object displays aggregate information about processes on the machine.",
  41                     0,
  42                     PERF_OBJECT);
  43   init_perf_counter(&(data->processInfo.runningProcessCount),
  44                     &(data->processInfo.processObjDesc),
  45                     get_counter_id(data),
  46                     "Process Count",
  47                     "Process Count is the number of processes currently on the machine.",
  48                     PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_DISPLAY_NO_SUFFIX,
  49                     PERF_COUNTER);
  50
  51   return;
  52 }
  53
  54 void init_process_data(PERF_DATA_BLOCK *data)
  55 {
  56   data->processInfo.data = calloc(1, sizeof(*data->processInfo.data));
  57   if(!(data->processInfo.data))
  58     {
  59       perror("init_process_data: out of memory");
  60       exit(1);
  61     }
  62
  63   init_processdata_desc(data);
  64
  65   get_processinfo(data);
  66
  67   return;
  68 }
  69
  70 void output_processinfo(PERF_DATA_BLOCK *data, RuntimeSettings rt, int tdb_flags)
  71 {
  72         output_perf_counter(data->processInfo.runningProcessCount,
  73                             (unsigned long long)data->processInfo.data->runningProcessCount,
  74                             rt, tdb_flags);
  75
  76         return;
  77 }
  78
  79 void output_process_desc(PERF_DATA_BLOCK *data, RuntimeSettings rt)
  80 {
  81         output_perf_desc(data->processInfo.processObjDesc, rt);
  82         output_perf_desc(data->processInfo.runningProcessCount, rt);
  83
  84         return;
  85 }