source: branches/samba-3.3.x/examples/perfcounter/perf_writer_process.c

/* 
 *  Unix SMB/CIFS implementation.
 *  Performance Counter Daemon
 *
 *  Copyright (C) Marcin Krzysztof Porwit    2005
 *  
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 3 of the License, or
 *  (at your option) any later version.
 *  
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *  
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

#include "perf.h"

void get_processinfo(PERF_DATA_BLOCK *data)
{
  int status;
  struct sysinfo info;
  status = sysinfo(&info);

  data->processInfo.data->runningProcessCount = (unsigned int)info.procs;

  return;
}

void init_processdata_desc(PERF_DATA_BLOCK *data)
{
  init_perf_counter(&(data->processInfo.processObjDesc),
                    &(data->processInfo.processObjDesc),
                    get_counter_id(data),
                    "Processes",
                    "%The Processes performance object displays aggregate information about processes on the machine.",
                    0,
                    PERF_OBJECT);
  init_perf_counter(&(data->processInfo.runningProcessCount),
                    &(data->processInfo.processObjDesc),
                    get_counter_id(data),
                    "Process Count",
                    "Process Count is the number of processes currently on the machine.",
                    PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_DISPLAY_NO_SUFFIX,
                    PERF_COUNTER);
   
  return;
}

void init_process_data(PERF_DATA_BLOCK *data)
{
  data->processInfo.data = calloc(1, sizeof(*data->processInfo.data));
  if(!(data->processInfo.data))
    {
      perror("init_process_data: out of memory");
      exit(1);
    }
  
  init_processdata_desc(data);

  get_processinfo(data);

  return;
}

void output_processinfo(PERF_DATA_BLOCK *data, RuntimeSettings rt, int tdb_flags)
{
        output_perf_counter(data->processInfo.runningProcessCount,
                            (unsigned long long)data->processInfo.data->runningProcessCount,
                            rt, tdb_flags);

        return;
}

void output_process_desc(PERF_DATA_BLOCK *data, RuntimeSettings rt)
{
        output_perf_desc(data->processInfo.processObjDesc, rt);
        output_perf_desc(data->processInfo.runningProcessCount, rt);

        return;
}