/**
* collectd - src/swap.c
- * Copyright (C) 2005-2007 Florian octo Forster
+ * Copyright (C) 2005-2009 Florian octo Forster
*
* 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
* Florian octo Forster <octo at verplant.org>
**/
+#if HAVE_CONFIG_H
+# include "config.h"
+# undef HAVE_CONFIG_H
+#endif
+/* avoid swap.h error "Cannot use swapctl in the large files compilation environment" */
+#if HAVE_SYS_SWAP_H && !defined(_LP64) && _FILE_OFFSET_BITS == 64
+# undef _FILE_OFFSET_BITS
+# undef _LARGEFILE64_SOURCE
+#endif
+
#include "collectd.h"
#include "common.h"
#include "plugin.h"
#if HAVE_SYS_SWAP_H
# include <sys/swap.h>
#endif
+#if HAVE_VM_ANON_H
+# include <vm/anon.h>
+#endif
#if HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
#if HAVE_SYS_SYSCTL_H
# include <sys/sysctl.h>
#endif
+#if HAVE_SYS_DKSTAT_H
+# include <sys/dkstat.h>
+#endif
#if HAVE_KVM_H
# include <kvm.h>
#endif
static kstat_t *ksp;
/* #endif HAVE_LIBKSTAT */
+#elif HAVE_SWAPCTL
+/* No global variables */
+/* #endif HAVE_SWAPCTL */
+
#elif defined(VM_SWAPUSAGE)
/* No global variables */
/* #endif defined(VM_SWAPUSAGE) */
ksp = NULL;
/* #endif HAVE_LIBKSTAT */
+#elif HAVE_SWAPCTL
+ /* No init stuff */
+/* #endif HAVE_SWAPCTL */
+
#elif defined(VM_SWAPUSAGE)
/* No init stuff */
/* #endif defined(VM_SWAPUSAGE) */
vl.values = values;
vl.values_len = 1;
- vl.time = time (NULL);
sstrncpy (vl.host, hostname_g, sizeof (vl.host));
sstrncpy (vl.plugin, "swap", sizeof (vl.plugin));
sstrncpy (vl.type, "swap", sizeof (vl.type));
swap_submit ("reserved", swap_resv);
/* #endif HAVE_LIBKSTAT */
+#elif HAVE_SWAPCTL
+ struct swapent *swap_entries;
+ int swap_num;
+ int status;
+ int i;
+
+ uint64_t used = 0;
+ uint64_t total = 0;
+
+ /*
+ * XXX: This is the syntax for the *BSD `swapctl', which has the
+ * following prototype:
+ * swapctl (int cmd, void *arg, int misc);
+ *
+ * HP-UX and Solaris (and possibly other UNIXes) provide `swapctl',
+ * too, but with the following prototype:
+ * swapctl (int cmd, void *arg);
+ *
+ * Solaris is usually handled in the KSTAT case above. For other UNIXes
+ * a separate case for the other version of `swapctl' may be necessary.
+ */
+ swap_num = swapctl (SWAP_NSWAP, NULL, 0);
+ if (swap_num < 0)
+ {
+ ERROR ("swap plugin: swapctl (SWAP_NSWAP) failed with status %i.",
+ swap_num);
+ return (-1);
+ }
+ else if (swap_num == 0)
+ return (0);
+
+ swap_entries = calloc (swap_num, sizeof (*swap_entries));
+ if (swap_entries == NULL)
+ {
+ ERROR ("swap plugin: calloc failed.");
+ return (-1);
+ }
+
+ status = swapctl (SWAP_STATS, swap_entries, swap_num);
+ if (status != swap_num)
+ {
+ ERROR ("swap plugin: swapctl (SWAP_STATS) failed with status %i.",
+ status);
+ sfree (swap_entries);
+ return (-1);
+ }
+
+#if defined(DEV_BSIZE) && (DEV_BSIZE > 0)
+# define C_SWAP_BLOCK_SIZE ((uint64_t) DEV_BSIZE)
+#else
+# define C_SWAP_BLOCK_SIZE ((uint64_t) 512)
+#endif
+
+ for (i = 0; i < swap_num; i++)
+ {
+ if ((swap_entries[i].se_flags & SWF_ENABLE) == 0)
+ continue;
+
+ used += ((uint64_t) swap_entries[i].se_inuse)
+ * C_SWAP_BLOCK_SIZE;
+ total += ((uint64_t) swap_entries[i].se_nblks)
+ * C_SWAP_BLOCK_SIZE;
+ }
+
+ if (total < used)
+ {
+ ERROR ("swap plugin: Total swap space (%"PRIu64") "
+ "is less than used swap space (%"PRIu64").",
+ total, used);
+ return (-1);
+ }
+
+ swap_submit ("used", (gauge_t) used);
+ swap_submit ("free", (gauge_t) (total - used));
+
+ sfree (swap_entries);
+/* #endif HAVE_SWAPCTL */
+
#elif defined(VM_SWAPUSAGE)
int mib[3];
size_t mib_len;