rrd based system stats
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  1. /***************************************************************************
  2. * Copyright (C) 06/2006 by Olaf Rempel *
  3. * razzor@kopf-tisch.de *
  4. * *
  5. * This program is free software; you can redistribute it and/or modify *
  6. * it under the terms of the GNU General Public License as published by *
  7. * the Free Software Foundation; either version 2 of the License, or *
  8. * (at your option) any later version. *
  9. * *
  10. * This program is distributed in the hope that it will be useful, *
  11. * but WITHOUT ANY WARRANTY; without even the implied warranty of *
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
  13. * GNU General Public License for more details. *
  14. * *
  15. * You should have received a copy of the GNU General Public License *
  16. * along with this program; if not, write to the *
  17. * Free Software Foundation, Inc., *
  18. * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
  19. ***************************************************************************/
  20. #include <stdio.h>
  21. #include <stdlib.h>
  22. #include "logging.h"
  23. #include "plugins.h"
  24. #include "probe.h"
  25. struct sammler_plugin plugin;
  26. static const char *ds_def = {
  27. "DS:1min:GAUGE:15:0:U "
  28. "DS:5min:GAUGE:15:0:U "
  29. "DS:15min:GAUGE:15:0:U "
  30. };
  31. static const char * get_ds(int ds_id)
  32. {
  33. return ds_def;
  34. }
  35. static int probe(void)
  36. {
  37. FILE *fp = fopen("/proc/loadavg", "r");
  38. if (fp == NULL) {
  39. log_print(LOG_WARN, "plugin load: fopen()");
  40. return -1;
  41. }
  42. double load1, load5, load15;
  43. if (fscanf(fp, "%lf %lf %lf", &load1, &load5, &load15) != 3) {
  44. log_print(LOG_WARN, "plugin load: fscanf()");
  45. fclose(fp);
  46. return -1;
  47. }
  48. fclose(fp);
  49. probe_submit(&plugin, "load.rrd", 0, "%.02lf:%.02lf:%.02lf", load1, load5, load15);
  50. return 0;
  51. }
  52. struct sammler_plugin plugin = {
  53. .name = "load",
  54. .interval = 10,
  55. .probe = &probe,
  56. .get_ds = &get_ds,
  57. };