diff --git a/src/swap.c b/src/swap.c
index f8ce93f328fd697d7e1979ac5f25031a6c74c54c..43275fc119540406960b2923ac58dee29c9bb1d2 100644 (file)
--- a/src/swap.c
+++ b/src/swap.c
#include "common.h"
#include "plugin.h"
#include "common.h"
#include "plugin.h"
+#if HAVE_SYS_SWAP_H
+# include <sys/swap.h>
+#endif
+#if HAVE_SYS_PARAM_H
+# include <sys/param.h>
+#endif
+#if HAVE_SYS_SYSCTL_H
+# include <sys/sysctl.h>
+#endif
+#if HAVE_KVM_H
+# include <kvm.h>
+#endif
+
#define MODULE_NAME "swap"
#define MODULE_NAME "swap"
-#if defined(KERNEL_LINUX) || defined(KERNEL_SOLARIS) || defined(HAVE_LIBSTATGRAB)
+#if KERNEL_LINUX || HAVE_LIBKSTAT || defined(VM_SWAPUSAGE) || HAVE_LIBKVM || HAVE_LIBSTATGRAB
# define SWAP_HAVE_READ 1
#else
# define SWAP_HAVE_READ 0
#endif
# define SWAP_HAVE_READ 1
#else
# define SWAP_HAVE_READ 0
#endif
-#if HAVE_SYS_SWAP_H
-# include <sys/swap.h>
-#endif
-
#undef MAX
#define MAX(x,y) ((x) > (y) ? (x) : (y))
#undef MAX
#define MAX(x,y) ((x) > (y) ? (x) : (y))
};
static int ds_num = 4;
};
static int ds_num = 4;
-#ifdef KERNEL_SOLARIS
+#if KERNEL_LINUX
+/* No global variables */
+/* #endif KERNEL_LINUX */
+
+#elif HAVE_LIBKSTAT
static unsigned long long pagesize;
static kstat_t *ksp;
static unsigned long long pagesize;
static kstat_t *ksp;
-#endif /* KERNEL_SOLARIS */
+/* #endif HAVE_LIBKSTAT */
+
+#elif defined(VM_SWAPUSAGE)
+/* No global variables */
+/* #endif defined(VM_SWAPUSAGE) */
+
+#elif HAVE_LIBKVM
+static kvm_t *kvm_obj = NULL;
+int kvm_pagesize;
+/* #endif HAVE_LIBKVM */
+
+#elif HAVE_LIBSTATGRAB
+/* No global variables */
+#endif /* HAVE_LIBSTATGRAB */
static void swap_init (void)
{
static void swap_init (void)
{
-#ifdef KERNEL_SOLARIS
+#if KERNEL_LINUX
+ /* No init stuff */
+/* #endif KERNEL_LINUX */
+
+#elif HAVE_LIBKSTAT
/* getpagesize(3C) tells me this does not fail.. */
pagesize = (unsigned long long) getpagesize ();
if (get_kstat (&ksp, "unix", 0, "system_pages"))
ksp = NULL;
/* getpagesize(3C) tells me this does not fail.. */
pagesize = (unsigned long long) getpagesize ();
if (get_kstat (&ksp, "unix", 0, "system_pages"))
ksp = NULL;
-#endif /* KERNEL_SOLARIS */
+/* #endif HAVE_LIBKSTAT */
+
+#elif defined(VM_SWAPUSAGE)
+ /* No init stuff */
+/* #endif defined(VM_SWAPUSAGE) */
+
+#elif HAVE_LIBKVM
+ if (kvm_obj != NULL)
+ {
+ kvm_close (kvm_obj);
+ kvm_obj = NULL;
+ }
+
+ kvm_pagesize = getpagesize ();
+
+ if ((kvm_obj = kvm_open (NULL, /* execfile */
+ NULL, /* corefile */
+ NULL, /* swapfile */
+ O_RDONLY, /* flags */
+ NULL)) /* errstr */
+ == NULL)
+ {
+ syslog (LOG_ERR, "swap plugin: kvm_open failed.");
+ return;
+ }
+/* #endif HAVE_LIBKVM */
+
+#elif HAVE_LIBSTATGRAB
+ /* No init stuff */
+#endif /* HAVE_LIBSTATGRAB */
return;
}
return;
}
static void swap_read (void)
{
static void swap_read (void)
{
-#ifdef KERNEL_LINUX
+#if KERNEL_LINUX
FILE *fh;
char buffer[1024];
FILE *fh;
char buffer[1024];
swap_used = swap_total - (swap_free + swap_cached);
swap_submit (swap_used, swap_free, swap_cached, -1LL);
swap_used = swap_total - (swap_free + swap_cached);
swap_submit (swap_used, swap_free, swap_cached, -1LL);
-/* #endif defined(KERNEL_LINUX) */
+/* #endif KERNEL_LINUX */
-#elif defined(KERNEL_SOLARIS)
+#elif HAVE_LIBKSTAT
unsigned long long swap_alloc;
unsigned long long swap_resv;
unsigned long long swap_avail;
unsigned long long swap_alloc;
unsigned long long swap_resv;
unsigned long long swap_avail;
swap_avail = ai.ani_max - ai.ani_resv;
swap_avail *= pagesize;
swap_avail = ai.ani_max - ai.ani_resv;
swap_avail *= pagesize;
- swap_submit (swap_alloc, swap_avail, -1LL, swap_resv);
-/* #endif defined(KERNEL_SOLARIS) */
+ swap_submit (swap_alloc, swap_avail, -1LL, swap_resv - swap_alloc);
+/* #endif HAVE_LIBKSTAT */
+
+#elif defined(VM_SWAPUSAGE)
+ int mib[3];
+ size_t mib_len;
+ struct xsw_usage sw_usage;
+ size_t sw_usage_len;
+
+ mib_len = 2;
+ mib[0] = CTL_VM;
+ mib[1] = VM_SWAPUSAGE;
+
+ sw_usage_len = sizeof (struct xsw_usage);
+
+ if (sysctl (mib, mib_len, &sw_usage, &sw_usage_len, NULL, 0) != 0)
+ return;
+
+ /* The returned values are bytes. */
+ swap_submit (sw_usage.xsu_used, sw_usage.xsu_avail, -1LL, -1LL);
+/* #endif VM_SWAPUSAGE */
+
+#elif HAVE_LIBKVM
+ struct kvm_swap data_s;
+ int status;
+
+ unsigned long long used;
+ unsigned long long free;
+ unsigned long long total;
+
+ if (kvm_obj == NULL)
+ return;
+
+ /* only one structure => only get the grand total, no details */
+ status = kvm_getswapinfo (kvm_obj, &data_s, 1, 0);
+ if (status == -1)
+ return;
+
+ total = (unsigned long long) data_s.ksw_total;
+ used = (unsigned long long) data_s.ksw_used;
+
+ total *= (unsigned long long) kvm_pagesize;
+ used *= (unsigned long long) kvm_pagesize;
+
+ free = total - used;
+
+ swap_submit (used, free, -1LL, -1LL);
+/* #endif HAVE_LIBKVM */
-#elif defined(HAVE_LIBSTATGRAB)
+#elif HAVE_LIBSTATGRAB
sg_swap_stats *swap;
if ((swap = sg_get_swap_stats ()) != NULL)
sg_swap_stats *swap;
if ((swap = sg_get_swap_stats ()) != NULL)