#include "plugin.h"
#ifdef HAVE_SYS_SYSCTL_H
-# include <sys/sysctl.h>
+#include <sys/sysctl.h>
#endif
#ifdef HAVE_SYS_VMMETER_H
-# include <sys/vmmeter.h>
+#include <sys/vmmeter.h>
#endif
#ifdef HAVE_MACH_KERN_RETURN_H
-# include <mach/kern_return.h>
+#include <mach/kern_return.h>
#endif
#ifdef HAVE_MACH_MACH_INIT_H
-# include <mach/mach_init.h>
+#include <mach/mach_init.h>
#endif
#ifdef HAVE_MACH_MACH_HOST_H
-# include <mach/mach_host.h>
+#include <mach/mach_host.h>
#endif
#ifdef HAVE_MACH_HOST_PRIV_H
-# include <mach/host_priv.h>
+#include <mach/host_priv.h>
#endif
#ifdef HAVE_MACH_VM_STATISTICS_H
-# include <mach/vm_statistics.h>
+#include <mach/vm_statistics.h>
#endif
#if HAVE_STATGRAB_H
-# include <statgrab.h>
+#include <statgrab.h>
#endif
#if HAVE_PERFSTAT
-# include <sys/protosw.h>
-# include <libperfstat.h>
+#include <libperfstat.h>
+#include <sys/protosw.h>
#endif /* HAVE_PERFSTAT */
/* vm_statistics_data_t */
static int pagesize;
/* endif HAVE_PERFSTAT */
#else
-# error "No applicable input method."
+#error "No applicable input method."
#endif
static _Bool values_absolute = 1;
static _Bool values_percentage = 0;
-static int memory_config (oconfig_item_t *ci) /* {{{ */
+static int memory_config(oconfig_item_t *ci) /* {{{ */
{
- for (int i = 0; i < ci->children_num; i++)
- {
- oconfig_item_t *child = ci->children + i;
- if (strcasecmp ("ValuesAbsolute", child->key) == 0)
- cf_util_get_boolean (child, &values_absolute);
- else if (strcasecmp ("ValuesPercentage", child->key) == 0)
- cf_util_get_boolean (child, &values_percentage);
- else
- ERROR ("memory plugin: Invalid configuration option: "
- "\"%s\".", child->key);
- }
-
- return (0);
+ for (int i = 0; i < ci->children_num; i++) {
+ oconfig_item_t *child = ci->children + i;
+ if (strcasecmp("ValuesAbsolute", child->key) == 0)
+ cf_util_get_boolean(child, &values_absolute);
+ else if (strcasecmp("ValuesPercentage", child->key) == 0)
+ cf_util_get_boolean(child, &values_percentage);
+ else
+ ERROR("memory plugin: Invalid configuration option: "
+ "\"%s\".",
+ child->key);
+ }
+
+ return 0;
} /* }}} int memory_config */
-static int memory_init (void)
-{
+static int memory_init(void) {
#if HAVE_HOST_STATISTICS
- port_host = mach_host_self ();
- host_page_size (port_host, &pagesize);
+ port_host = mach_host_self();
+ host_page_size(port_host, &pagesize);
/* #endif HAVE_HOST_STATISTICS */
#elif HAVE_SYSCTLBYNAME
/* #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") != 0)
- {
- ksp = NULL;
- return (-1);
- }
- if (get_kstat (&ksz, "zfs", 0, "arcstats") != 0)
- {
- ksz = NULL;
- return (-1);
- }
+ /* getpagesize(3C) tells me this does not fail.. */
+ pagesize = getpagesize();
+ if (get_kstat(&ksp, "unix", 0, "system_pages") != 0) {
+ ksp = NULL;
+ return -1;
+ }
+ if (get_kstat(&ksz, "zfs", 0, "arcstats") != 0) {
+ ksz = NULL;
+ return -1;
+ }
/* #endif HAVE_LIBKSTAT */
#elif HAVE_SYSCTL
- pagesize = getpagesize ();
- if (pagesize <= 0)
- {
- ERROR ("memory plugin: Invalid pagesize: %i", pagesize);
- return (-1);
- }
+ pagesize = getpagesize();
+ if (pagesize <= 0) {
+ ERROR("memory plugin: Invalid pagesize: %i", pagesize);
+ return -1;
+ }
/* #endif HAVE_SYSCTL */
#elif HAVE_LIBSTATGRAB
/* #endif HAVE_LIBSTATGRAB */
#elif HAVE_PERFSTAT
- pagesize = getpagesize ();
+ pagesize = getpagesize();
#endif /* HAVE_PERFSTAT */
- return (0);
+ return 0;
} /* int memory_init */
-#define MEMORY_SUBMIT(...) do { \
- if (values_absolute) \
- plugin_dispatch_multivalue (vl, 0, DS_TYPE_GAUGE, __VA_ARGS__, NULL); \
- if (values_percentage) \
- plugin_dispatch_multivalue (vl, 1, DS_TYPE_GAUGE, __VA_ARGS__, NULL); \
-} while (0)
+#define MEMORY_SUBMIT(...) \
+ do { \
+ if (values_absolute) \
+ plugin_dispatch_multivalue(vl, 0, DS_TYPE_GAUGE, __VA_ARGS__, NULL); \
+ if (values_percentage) \
+ plugin_dispatch_multivalue(vl, 1, DS_TYPE_GAUGE, __VA_ARGS__, NULL); \
+ } while (0)
-static int memory_read_internal (value_list_t *vl)
-{
+static int memory_read_internal(value_list_t *vl) {
#if HAVE_HOST_STATISTICS
- kern_return_t status;
- vm_statistics_data_t vm_data;
- mach_msg_type_number_t vm_data_len;
-
- gauge_t wired;
- gauge_t active;
- gauge_t inactive;
- gauge_t free;
-
- if (!port_host || !pagesize)
- return (-1);
-
- 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)
- {
- ERROR ("memory-plugin: host_statistics failed and returned the value %i", (int) status);
- return (-1);
- }
-
- /*
- * 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 = (gauge_t) (((uint64_t) vm_data.wire_count) * ((uint64_t) pagesize));
- active = (gauge_t) (((uint64_t) vm_data.active_count) * ((uint64_t) pagesize));
- inactive = (gauge_t) (((uint64_t) vm_data.inactive_count) * ((uint64_t) pagesize));
- free = (gauge_t) (((uint64_t) vm_data.free_count) * ((uint64_t) pagesize));
-
- MEMORY_SUBMIT ("wired", wired,
- "active", active,
- "inactive", inactive,
- "free", free);
+ kern_return_t status;
+ vm_statistics_data_t vm_data;
+ mach_msg_type_number_t vm_data_len;
+
+ gauge_t wired;
+ gauge_t active;
+ gauge_t inactive;
+ gauge_t free;
+
+ if (!port_host || !pagesize)
+ return -1;
+
+ 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) {
+ ERROR("memory-plugin: host_statistics failed and returned the value %i",
+ (int)status);
+ return -1;
+ }
+
+ /*
+ * 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 = (gauge_t)(((uint64_t)vm_data.wire_count) * ((uint64_t)pagesize));
+ active = (gauge_t)(((uint64_t)vm_data.active_count) * ((uint64_t)pagesize));
+ inactive =
+ (gauge_t)(((uint64_t)vm_data.inactive_count) * ((uint64_t)pagesize));
+ free = (gauge_t)(((uint64_t)vm_data.free_count) * ((uint64_t)pagesize));
+
+ MEMORY_SUBMIT("wired", wired, "active", active, "inactive", inactive, "free",
+ free);
/* #endif HAVE_HOST_STATISTICS */
#elif HAVE_SYSCTLBYNAME
- /*
- * 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
- */
- const char *sysctl_keys[8] =
- {
- "vm.stats.vm.v_page_size",
- "vm.stats.vm.v_page_count",
- "vm.stats.vm.v_free_count",
- "vm.stats.vm.v_wire_count",
- "vm.stats.vm.v_active_count",
- "vm.stats.vm.v_inactive_count",
- "vm.stats.vm.v_cache_count",
- NULL
- };
- double sysctl_vals[8];
-
- for (int i = 0; sysctl_keys[i] != NULL; i++)
- {
- int value;
- size_t value_len = sizeof (value);
-
- if (sysctlbyname (sysctl_keys[i], (void *) &value, &value_len,
- NULL, 0) == 0)
- {
- sysctl_vals[i] = value;
- DEBUG ("memory plugin: %26s: %g", sysctl_keys[i], sysctl_vals[i]);
- }
- else
- {
- sysctl_vals[i] = NAN;
- }
- } /* for (sysctl_keys) */
-
- /* multiply all all page counts with the pagesize */
- for (int i = 1; sysctl_keys[i] != NULL; i++)
- if (!isnan (sysctl_vals[i]))
- sysctl_vals[i] *= sysctl_vals[0];
-
- MEMORY_SUBMIT ("free", (gauge_t) sysctl_vals[2],
- "wired", (gauge_t) sysctl_vals[3],
- "active", (gauge_t) sysctl_vals[4],
- "inactive", (gauge_t) sysctl_vals[5],
- "cache", (gauge_t) sysctl_vals[6]);
+ /*
+ * 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
+ */
+ const char *sysctl_keys[8] = {
+ "vm.stats.vm.v_page_size", "vm.stats.vm.v_page_count",
+ "vm.stats.vm.v_free_count", "vm.stats.vm.v_wire_count",
+ "vm.stats.vm.v_active_count", "vm.stats.vm.v_inactive_count",
+ "vm.stats.vm.v_cache_count", NULL};
+ double sysctl_vals[8];
+
+ for (int i = 0; sysctl_keys[i] != NULL; i++) {
+ int value;
+ size_t value_len = sizeof(value);
+
+ if (sysctlbyname(sysctl_keys[i], (void *)&value, &value_len, NULL, 0) ==
+ 0) {
+ sysctl_vals[i] = value;
+ DEBUG("memory plugin: %26s: %g", sysctl_keys[i], sysctl_vals[i]);
+ } else {
+ sysctl_vals[i] = NAN;
+ }
+ } /* for (sysctl_keys) */
+
+ /* multiply all all page counts with the pagesize */
+ for (int i = 1; sysctl_keys[i] != NULL; i++)
+ if (!isnan(sysctl_vals[i]))
+ sysctl_vals[i] *= sysctl_vals[0];
+
+ MEMORY_SUBMIT("free", (gauge_t)sysctl_vals[2], "wired",
+ (gauge_t)sysctl_vals[3], "active", (gauge_t)sysctl_vals[4],
+ "inactive", (gauge_t)sysctl_vals[5], "cache",
+ (gauge_t)sysctl_vals[6]);
/* #endif HAVE_SYSCTLBYNAME */
#elif KERNEL_LINUX
- FILE *fh;
- char buffer[1024];
-
- char *fields[8];
- int numfields;
-
- _Bool detailed_slab_info = 0;
-
- gauge_t mem_total = 0;
- gauge_t mem_used = 0;
- gauge_t mem_buffered = 0;
- gauge_t mem_cached = 0;
- gauge_t mem_free = 0;
- gauge_t mem_slab_total = 0;
- gauge_t mem_slab_reclaimable = 0;
- gauge_t mem_slab_unreclaimable = 0;
-
- if ((fh = fopen ("/proc/meminfo", "r")) == NULL)
- {
- char errbuf[1024];
- WARNING ("memory: fopen: %s",
- sstrerror (errno, errbuf, sizeof (errbuf)));
- return (-1);
- }
-
- while (fgets (buffer, sizeof (buffer), fh) != NULL)
- {
- gauge_t *val = NULL;
-
- if (strncasecmp (buffer, "MemTotal:", 9) == 0)
- val = &mem_total;
- else if (strncasecmp (buffer, "MemFree:", 8) == 0)
- val = &mem_free;
- else if (strncasecmp (buffer, "Buffers:", 8) == 0)
- val = &mem_buffered;
- else if (strncasecmp (buffer, "Cached:", 7) == 0)
- val = &mem_cached;
- else if (strncasecmp (buffer, "Slab:", 5) == 0)
- val = &mem_slab_total;
- else if (strncasecmp (buffer, "SReclaimable:", 13) == 0) {
- val = &mem_slab_reclaimable;
- detailed_slab_info = 1;
- }
- else if (strncasecmp (buffer, "SUnreclaim:", 11) == 0) {
- val = &mem_slab_unreclaimable;
- detailed_slab_info = 1;
- }
- else
- continue;
-
- numfields = strsplit (buffer, fields, STATIC_ARRAY_SIZE (fields));
- if (numfields < 2)
- continue;
-
- *val = 1024.0 * atof (fields[1]);
- }
-
- if (fclose (fh))
- {
- char errbuf[1024];
- WARNING ("memory: fclose: %s",
- sstrerror (errno, errbuf, sizeof (errbuf)));
- }
-
- if (mem_total < (mem_free + mem_buffered + mem_cached + mem_slab_total))
- return (-1);
-
- mem_used = mem_total - (mem_free + mem_buffered + mem_cached + mem_slab_total);
-
- /* SReclaimable and SUnreclaim were introduced in kernel 2.6.19
- * They sum up to the value of Slab, which is available on older & newer
- * kernels. So SReclaimable/SUnreclaim are submitted if available, and Slab
- * if not. */
- if (detailed_slab_info)
- MEMORY_SUBMIT ("used", mem_used,
- "buffered", mem_buffered,
- "cached", mem_cached,
- "free", mem_free,
- "slab_unrecl", mem_slab_unreclaimable,
- "slab_recl", mem_slab_reclaimable);
- else
- MEMORY_SUBMIT ("used", mem_used,
- "buffered", mem_buffered,
- "cached", mem_cached,
- "free", mem_free,
- "slab", mem_slab_total);
+ FILE *fh;
+ char buffer[1024];
+
+ char *fields[8];
+ int numfields;
+
+ _Bool detailed_slab_info = 0;
+
+ gauge_t mem_total = 0;
+ gauge_t mem_used = 0;
+ gauge_t mem_buffered = 0;
+ gauge_t mem_cached = 0;
+ gauge_t mem_free = 0;
+ gauge_t mem_slab_total = 0;
+ gauge_t mem_slab_reclaimable = 0;
+ gauge_t mem_slab_unreclaimable = 0;
+
+ if ((fh = fopen("/proc/meminfo", "r")) == NULL) {
+ char errbuf[1024];
+ WARNING("memory: fopen: %s", sstrerror(errno, errbuf, sizeof(errbuf)));
+ return -1;
+ }
+
+ while (fgets(buffer, sizeof(buffer), fh) != NULL) {
+ gauge_t *val = NULL;
+
+ if (strncasecmp(buffer, "MemTotal:", 9) == 0)
+ val = &mem_total;
+ else if (strncasecmp(buffer, "MemFree:", 8) == 0)
+ val = &mem_free;
+ else if (strncasecmp(buffer, "Buffers:", 8) == 0)
+ val = &mem_buffered;
+ else if (strncasecmp(buffer, "Cached:", 7) == 0)
+ val = &mem_cached;
+ else if (strncasecmp(buffer, "Slab:", 5) == 0)
+ val = &mem_slab_total;
+ else if (strncasecmp(buffer, "SReclaimable:", 13) == 0) {
+ val = &mem_slab_reclaimable;
+ detailed_slab_info = 1;
+ } else if (strncasecmp(buffer, "SUnreclaim:", 11) == 0) {
+ val = &mem_slab_unreclaimable;
+ detailed_slab_info = 1;
+ } else
+ continue;
+
+ numfields = strsplit(buffer, fields, STATIC_ARRAY_SIZE(fields));
+ if (numfields < 2)
+ continue;
+
+ *val = 1024.0 * atof(fields[1]);
+ }
+
+ if (fclose(fh)) {
+ char errbuf[1024];
+ WARNING("memory: fclose: %s", sstrerror(errno, errbuf, sizeof(errbuf)));
+ }
+
+ if (mem_total < (mem_free + mem_buffered + mem_cached + mem_slab_total))
+ return -1;
+
+ mem_used =
+ mem_total - (mem_free + mem_buffered + mem_cached + mem_slab_total);
+
+ /* SReclaimable and SUnreclaim were introduced in kernel 2.6.19
+ * They sum up to the value of Slab, which is available on older & newer
+ * kernels. So SReclaimable/SUnreclaim are submitted if available, and Slab
+ * if not. */
+ if (detailed_slab_info)
+ MEMORY_SUBMIT("used", mem_used, "buffered", mem_buffered, "cached",
+ mem_cached, "free", mem_free, "slab_unrecl",
+ mem_slab_unreclaimable, "slab_recl", mem_slab_reclaimable);
+ else
+ MEMORY_SUBMIT("used", mem_used, "buffered", mem_buffered, "cached",
+ mem_cached, "free", mem_free, "slab", mem_slab_total);
/* #endif KERNEL_LINUX */
#elif HAVE_LIBKSTAT
- /* Most of the additions here were taken as-is from the k9toolkit from
- * Brendan Gregg and are subject to change I guess */
- long long mem_used;
- long long mem_free;
- long long mem_lock;
- long long mem_kern;
- long long mem_unus;
- long long arcsize;
-
-
- long long pp_kernel;
- long long physmem;
- long long availrmem;
-
- if (ksp == NULL)
- return (-1);
- if (ksz == NULL)
- return (-1);
-
- mem_used = get_kstat_value (ksp, "pagestotal");
- mem_free = get_kstat_value (ksp, "pagesfree");
- mem_lock = get_kstat_value (ksp, "pageslocked");
- arcsize = get_kstat_value (ksz, "size");
- pp_kernel = get_kstat_value (ksp, "pp_kernel");
- physmem = get_kstat_value (ksp, "physmem");
- availrmem = get_kstat_value (ksp, "availrmem");
-
- mem_kern = 0;
- mem_unus = 0;
-
- if ((mem_used < 0LL) || (mem_free < 0LL) || (mem_lock < 0LL))
- {
- WARNING ("memory plugin: one of used, free or locked is negative.");
- return (-1);
- }
-
- mem_unus = physmem - mem_used;
-
- if (mem_used < (mem_free + mem_lock))
- {
- /* source: http://wesunsolve.net/bugid/id/4909199
- * this seems to happen when swap space is small, e.g. 2G on a 32G system
- * we will make some assumptions here
- * educated solaris internals help welcome here */
- DEBUG ("memory plugin: pages total is smaller than \"free\" "
- "+ \"locked\". This is probably due to small "
- "swap space");
- mem_free = availrmem;
- mem_used = 0;
- }
- else
- {
- mem_used -= mem_free + mem_lock;
- }
-
- /* mem_kern is accounted for in mem_lock */
- if (pp_kernel < mem_lock)
- {
- mem_kern = pp_kernel;
- mem_lock -= pp_kernel;
- }
- else
- {
- mem_kern = mem_lock;
- mem_lock = 0;
- }
-
- mem_used *= pagesize; /* If this overflows you have some serious */
- mem_free *= pagesize; /* memory.. Why not call me up and give me */
- mem_lock *= pagesize; /* some? ;) */
- mem_kern *= pagesize; /* it's 2011 RAM is cheap */
- mem_unus *= pagesize;
- mem_kern -= arcsize;
-
-
- MEMORY_SUBMIT ("used", (gauge_t) mem_used,
- "free", (gauge_t) mem_free,
- "locked", (gauge_t) mem_lock,
- "kernel", (gauge_t) mem_kern,
- "arc", (gauge_t) arcsize,
- "unusable", (gauge_t) mem_unus);
+ /* Most of the additions here were taken as-is from the k9toolkit from
+ * Brendan Gregg and are subject to change I guess */
+ long long mem_used;
+ long long mem_free;
+ long long mem_lock;
+ long long mem_kern;
+ long long mem_unus;
+ long long arcsize;
+
+ long long pp_kernel;
+ long long physmem;
+ long long availrmem;
+
+ if (ksp == NULL)
+ return -1;
+ if (ksz == NULL)
+ return -1;
+
+ mem_used = get_kstat_value(ksp, "pagestotal");
+ mem_free = get_kstat_value(ksp, "pagesfree");
+ mem_lock = get_kstat_value(ksp, "pageslocked");
+ arcsize = get_kstat_value(ksz, "size");
+ pp_kernel = get_kstat_value(ksp, "pp_kernel");
+ physmem = get_kstat_value(ksp, "physmem");
+ availrmem = get_kstat_value(ksp, "availrmem");
+
+ mem_kern = 0;
+ mem_unus = 0;
+
+ if ((mem_used < 0LL) || (mem_free < 0LL) || (mem_lock < 0LL)) {
+ WARNING("memory plugin: one of used, free or locked is negative.");
+ return -1;
+ }
+
+ mem_unus = physmem - mem_used;
+
+ if (mem_used < (mem_free + mem_lock)) {
+ /* source: http://wesunsolve.net/bugid/id/4909199
+ * this seems to happen when swap space is small, e.g. 2G on a 32G system
+ * we will make some assumptions here
+ * educated solaris internals help welcome here */
+ DEBUG("memory plugin: pages total is smaller than \"free\" "
+ "+ \"locked\". This is probably due to small "
+ "swap space");
+ mem_free = availrmem;
+ mem_used = 0;
+ } else {
+ mem_used -= mem_free + mem_lock;
+ }
+
+ /* mem_kern is accounted for in mem_lock */
+ if (pp_kernel < mem_lock) {
+ mem_kern = pp_kernel;
+ mem_lock -= pp_kernel;
+ } else {
+ mem_kern = mem_lock;
+ mem_lock = 0;
+ }
+
+ mem_used *= pagesize; /* If this overflows you have some serious */
+ mem_free *= pagesize; /* memory.. Why not call me up and give me */
+ mem_lock *= pagesize; /* some? ;) */
+ mem_kern *= pagesize; /* it's 2011 RAM is cheap */
+ mem_unus *= pagesize;
+ mem_kern -= arcsize;
+
+ MEMORY_SUBMIT("used", (gauge_t)mem_used, "free", (gauge_t)mem_free, "locked",
+ (gauge_t)mem_lock, "kernel", (gauge_t)mem_kern, "arc",
+ (gauge_t)arcsize, "unusable", (gauge_t)mem_unus);
/* #endif HAVE_LIBKSTAT */
#elif HAVE_SYSCTL
- int mib[] = {CTL_VM, VM_METER};
- struct vmtotal vmtotal = { 0 };
- gauge_t mem_active;
- gauge_t mem_inactive;
- gauge_t mem_free;
- size_t size;
-
- size = sizeof (vmtotal);
-
- if (sysctl (mib, 2, &vmtotal, &size, NULL, 0) < 0) {
- char errbuf[1024];
- WARNING ("memory plugin: sysctl failed: %s",
- sstrerror (errno, errbuf, sizeof (errbuf)));
- return (-1);
- }
-
- assert (pagesize > 0);
- mem_active = (gauge_t) (vmtotal.t_arm * pagesize);
- mem_inactive = (gauge_t) ((vmtotal.t_rm - vmtotal.t_arm) * pagesize);
- mem_free = (gauge_t) (vmtotal.t_free * pagesize);
-
- MEMORY_SUBMIT ("active", mem_active,
- "inactive", mem_inactive,
- "free", mem_free);
+ int mib[] = {CTL_VM, VM_METER};
+ struct vmtotal vmtotal = {0};
+ gauge_t mem_active;
+ gauge_t mem_inactive;
+ gauge_t mem_free;
+ size_t size;
+
+ size = sizeof(vmtotal);
+
+ if (sysctl(mib, 2, &vmtotal, &size, NULL, 0) < 0) {
+ char errbuf[1024];
+ WARNING("memory plugin: sysctl failed: %s",
+ sstrerror(errno, errbuf, sizeof(errbuf)));
+ return -1;
+ }
+
+ assert(pagesize > 0);
+ mem_active = (gauge_t)(vmtotal.t_arm * pagesize);
+ mem_inactive = (gauge_t)((vmtotal.t_rm - vmtotal.t_arm) * pagesize);
+ mem_free = (gauge_t)(vmtotal.t_free * pagesize);
+
+ MEMORY_SUBMIT("active", mem_active, "inactive", mem_inactive, "free",
+ mem_free);
/* #endif HAVE_SYSCTL */
#elif HAVE_LIBSTATGRAB
- sg_mem_stats *ios;
+ sg_mem_stats *ios;
- ios = sg_get_mem_stats ();
- if (ios == NULL)
- return (-1);
+ ios = sg_get_mem_stats();
+ if (ios == NULL)
+ return -1;
- MEMORY_SUBMIT ("used", (gauge_t) ios->used,
- "cached", (gauge_t) ios->cache,
- "free", (gauge_t) ios->free);
+ MEMORY_SUBMIT("used", (gauge_t)ios->used, "cached", (gauge_t)ios->cache,
+ "free", (gauge_t)ios->free);
/* #endif HAVE_LIBSTATGRAB */
#elif HAVE_PERFSTAT
- perfstat_memory_total_t pmemory = { 0 };
-
- if (perfstat_memory_total(NULL, &pmemory, sizeof(pmemory), 1) < 0)
- {
- char errbuf[1024];
- WARNING ("memory plugin: perfstat_memory_total failed: %s",
- sstrerror (errno, errbuf, sizeof (errbuf)));
- return (-1);
- }
-
- /* Unfortunately, the AIX documentation is not very clear on how these
- * numbers relate to one another. The only thing is states explcitly
- * is:
- * real_total = real_process + real_free + numperm + real_system
- *
- * Another segmentation, which would be closer to the numbers reported
- * by the "svmon" utility, would be:
- * real_total = real_free + real_inuse
- * real_inuse = "active" + real_pinned + numperm
- */
- MEMORY_SUBMIT ("free", (gauge_t) (pmemory.real_free * pagesize),
- "cached", (gauge_t) (pmemory.numperm * pagesize),
- "system", (gauge_t) (pmemory.real_system * pagesize),
- "user", (gauge_t) (pmemory.real_process * pagesize));
+ perfstat_memory_total_t pmemory = {0};
+
+ if (perfstat_memory_total(NULL, &pmemory, sizeof(pmemory), 1) < 0) {
+ char errbuf[1024];
+ WARNING("memory plugin: perfstat_memory_total failed: %s",
+ sstrerror(errno, errbuf, sizeof(errbuf)));
+ return -1;
+ }
+
+ /* Unfortunately, the AIX documentation is not very clear on how these
+ * numbers relate to one another. The only thing is states explcitly
+ * is:
+ * real_total = real_process + real_free + numperm + real_system
+ *
+ * Another segmentation, which would be closer to the numbers reported
+ * by the "svmon" utility, would be:
+ * real_total = real_free + real_inuse
+ * real_inuse = "active" + real_pinned + numperm
+ */
+ MEMORY_SUBMIT("free", (gauge_t)(pmemory.real_free * pagesize), "cached",
+ (gauge_t)(pmemory.numperm * pagesize), "system",
+ (gauge_t)(pmemory.real_system * pagesize), "user",
+ (gauge_t)(pmemory.real_process * pagesize));
#endif /* HAVE_PERFSTAT */
- return (0);
+ return 0;
} /* }}} int memory_read_internal */
-static int memory_read (void) /* {{{ */
+static int memory_read(void) /* {{{ */
{
- value_t v[1];
- value_list_t vl = VALUE_LIST_INIT;
+ value_t v[1];
+ value_list_t vl = VALUE_LIST_INIT;
- vl.values = v;
- vl.values_len = STATIC_ARRAY_SIZE (v);
- sstrncpy (vl.host, hostname_g, sizeof (vl.host));
- sstrncpy (vl.plugin, "memory", sizeof (vl.plugin));
- sstrncpy (vl.type, "memory", sizeof (vl.type));
- vl.time = cdtime ();
+ vl.values = v;
+ vl.values_len = STATIC_ARRAY_SIZE(v);
+ sstrncpy(vl.plugin, "memory", sizeof(vl.plugin));
+ sstrncpy(vl.type, "memory", sizeof(vl.type));
+ vl.time = cdtime();
- return (memory_read_internal (&vl));
+ return memory_read_internal(&vl);
} /* }}} int memory_read */
-void module_register (void)
-{
- plugin_register_complex_config ("memory", memory_config);
- plugin_register_init ("memory", memory_init);
- plugin_register_read ("memory", memory_read);
+void module_register(void) {
+ plugin_register_complex_config("memory", memory_config);
+ plugin_register_init("memory", memory_init);
+ plugin_register_read("memory", memory_read);
} /* void module_register */
projects / collectd.git / blobdiff