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 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
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  */
  21
  22 #include "perf.h"
  23
  24 void get_processinfo(PERF_DATA_BLOCK *data)
  25 {
  26   int status;
  27   struct sysinfo info;
  28   status = sysinfo(&info);
  29
  30   data->processInfo.data->runningProcessCount = (unsigned int)info.procs;
  31
  32   return;
  33 }
  34
  35 void init_processdata_desc(PERF_DATA_BLOCK *data)
  36 {
  37   init_perf_counter(&(data->processInfo.processObjDesc),
  38                     &(data->processInfo.processObjDesc),
  39                     get_counter_id(data),
  40                     "Processes",
  41                     "%The Processes performance object displays aggregate information about processes on the machine.",
  42                     0,
  43                     PERF_OBJECT);
  44   init_perf_counter(&(data->processInfo.runningProcessCount),
  45                     &(data->processInfo.processObjDesc),
  46                     get_counter_id(data),
  47                     "Process Count",
  48                     "Process Count is the number of processes currently on the machine.",
  49                     PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_DISPLAY_NO_SUFFIX,
  50                     PERF_COUNTER);
  51
  52   return;
  53 }
  54
  55 void init_process_data(PERF_DATA_BLOCK *data)
  56 {
  57   data->processInfo.data = calloc(1, sizeof(*data->processInfo.data));
  58   if(!(data->processInfo.data))
  59     {
  60       perror("init_process_data: out of memory");
  61       exit(1);
  62     }
  63
  64   init_processdata_desc(data);
  65
  66   get_processinfo(data);
  67
  68   return;
  69 }
  70
  71 void output_processinfo(PERF_DATA_BLOCK *data, RuntimeSettings rt, int tdb_flags)
  72 {
  73         output_perf_counter(data->processInfo.runningProcessCount,
  74                             (unsigned long long)data->processInfo.data->runningProcessCount,
  75                             rt, tdb_flags);
  76
  77         return;
  78 }
  79
  80 void output_process_desc(PERF_DATA_BLOCK *data, RuntimeSettings rt)
  81 {
  82         output_perf_desc(data->processInfo.processObjDesc, rt);
  83         output_perf_desc(data->processInfo.runningProcessCount, rt);
  84
  85         return;
  86 }