/**
* collectd - src/memory.c
- * Copyright (C) 2005 Florian octo Forster
+ * Copyright (C) 2005,2006 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
#include "common.h"
#include "plugin.h"
-#if defined(KERNEL_LINUX) || defined(HAVE_LIBKSTAT)
+#ifdef HAVE_SYS_SYSCTL_H
+# include <sys/sysctl.h>
+#endif
+
+#ifdef HAVE_MACH_KERN_RETURN_H
+# include <mach/kern_return.h>
+#endif
+#ifdef HAVE_MACH_MACH_INIT_H
+# include <mach/mach_init.h>
+#endif
+#ifdef HAVE_MACH_MACH_HOST_H
+# include <mach/mach_host.h>
+#endif
+#ifdef HAVE_MACH_HOST_PRIV_H
+# include <mach/host_priv.h>
+#endif
+#ifdef MACH_VM_STATISTICS_H
+# include <mach/vm_statistics.h>
+#endif
+
+#if !defined(VM_TOTAL) && defined(VM_METER)
+# define VM_TOTAL VM_METER
+#endif
+
+#if defined (HOST_VM_INFO) || defined(VM_TOTAL) || KERNEL_LINUX || HAVE_LIBKSTAT
# define MEMORY_HAVE_READ 1
#else
# define MEMORY_HAVE_READ 0
/* 9223372036854775807 == LLONG_MAX */
static char *ds_def[] =
{
- "DS:used:GAUGE:25:0:9223372036854775807",
- "DS:free:GAUGE:25:0:9223372036854775807",
- "DS:buffers:GAUGE:25:0:9223372036854775807",
- "DS:cached:GAUGE:25:0:9223372036854775807",
+ "DS:used:GAUGE:"COLLECTD_HEARTBEAT":0:9223372036854775807",
+ "DS:free:GAUGE:"COLLECTD_HEARTBEAT":0:9223372036854775807",
+ "DS:buffers:GAUGE:"COLLECTD_HEARTBEAT":0:9223372036854775807",
+ "DS:cached:GAUGE:"COLLECTD_HEARTBEAT":0:9223372036854775807",
NULL
};
static int ds_num = 4;
-#ifdef HAVE_LIBKSTAT
+/* vm_statistics_data_t */
+#if defined(HOST_VM_INFO)
+static mach_port_t port_host;
+static vm_size_t pagesize;
+/* #endif HOST_VM_INFO */
+
+#elif defined(VM_TOTAL)
+/* no global variables */
+/* #endif VM_METER */
+
+#elif KERNEL_LINUX
+/* no global variables */
+/* #endif KERNEL_LINUX */
+
+#elif HAVE_LIBKSTAT
static int pagesize;
static kstat_t *ksp;
#endif /* HAVE_LIBKSTAT */
static void memory_init (void)
{
-#ifdef HAVE_LIBKSTAT
+#if defined(HOST_VM_INFO)
+ port_host = mach_host_self ();
+ host_page_size (port_host, &pagesize);
+/* #endif HOST_VM_INFO */
+
+#elif defined(VM_TOTAL)
+/* no init stuff */
+/* #endif VM_TOTAL */
+
+#elif defined(KERNEL_LINUX)
+/* no init stuff */
+/* #endif KERNEL_LINUX */
+
+#elif defined(HAVE_LIBKSTAT)
/* getpagesize(3C) tells me this does not fail.. */
pagesize = getpagesize ();
if (get_kstat (&ksp, "unix", 0, "system_pages"))
static void memory_read (void)
{
-#ifdef KERNEL_LINUX
+#if defined(HOST_VM_INFO)
+ kern_return_t status;
+ vm_statistics_data_t vm_data;
+ mach_msg_type_number_t vm_data_len;
+
+ long long wired;
+ long long active;
+ long long inactive;
+ long long free;
+
+ if (!port_host || !pagesize)
+ return;
+
+ vm_data_len = sizeof (vm_data) / sizeof (natural_t);
+ if ((status = host_statistics (port_host, HOST_VM_INFO,
+ (host_info_t) &vm_data,
+ &vm_data_len)) != KERN_SUCCESS)
+ {
+ syslog (LOG_ERR, "memory-plugin: host_statistics failed and returned the value %i", (int) status);
+ return;
+ }
+
+ /*
+ * From <http://docs.info.apple.com/article.html?artnum=107918>:
+ *
+ * Wired memory
+ * This information can't be cached to disk, so it must stay in RAM.
+ * The amount depends on what applications you are using.
+ *
+ * Active memory
+ * This information is currently in RAM and actively being used.
+ *
+ * Inactive memory
+ * This information is no longer being used and has been cached to
+ * disk, but it will remain in RAM until another application needs
+ * the space. Leaving this information in RAM is to your advantage if
+ * you (or a client of your computer) come back to it later.
+ *
+ * Free memory
+ * This memory is not being used.
+ */
+
+ wired = vm_data.wire_count * pagesize;
+ active = vm_data.active_count * pagesize;
+ inactive = vm_data.inactive_count * pagesize;
+ free = vm_data.free_count * pagesize;
+
+ memory_submit (wired + active, -1, inactive, free);
+/* #endif HOST_VM_INFO */
+
+#elif defined(VM_TOTAL)
+ /*
+ * vm.stats.vm.v_page_size: 4096
+ * vm.stats.vm.v_page_count: 246178
+ * vm.stats.vm.v_free_count: 28760
+ * vm.stats.vm.v_wire_count: 37526
+ * vm.stats.vm.v_active_count: 55239
+ * vm.stats.vm.v_inactive_count: 113730
+ * vm.stats.vm.v_cache_count: 10809
+ */
+ int page_size;
+ int page_count;
+ int free_count;
+ int wire_count;
+ int active_count;
+ int inactive_count;
+ int cache_count;
+ size_t data_len;
+
+ int status;
+
+ data_len = sizeof (page_size);
+ if ((status = sysctlbyname ("vm.stats.vm.v_page_size",
+ (void *) &page_size, data_len,
+ NULL, 0)) < 0)
+ {
+ syslog (LOG_ERR, "memory plugin: sysctlbyname failed: %s",
+ strerror (status));
+ return;
+ }
+
+ ...
+
+ status = sysctl (mib, sizeof (mib),
+ (void *) &data, &data_len,
+ NULL, 0); /* new value pointer */
+ if (status < 0)
+ {
+ DBG ("sysctl failed: %s", strerror (errno));
+ return;
+ }
+
+ if (data_len != sizeof (data))
+ {
+ DBG ("data_len = %u; sizeof (data) = %u;",
+ (unsigned int) data_len,
+ (unsigned int) sizeof (data));
+ return;
+ }
+
+/* #endif VM_TOTAL */
+
+#elif defined(KERNEL_LINUX)
FILE *fh;
char buffer[1024];
projects / collectd.git / blobdiff