X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fmemory.c;h=799a80c31684c963172fa89363e9f931c24f4886;hb=0a3958efcdda5d3c639a5b74982b796ea87df2b6;hp=3fbd33fb0c1da1a90cb666e1e6df044a711a2f64;hpb=27f6db4769cac5727888c327dbbf1b88da4f3ca6;p=collectd.git

diff --git a/src/memory.c b/src/memory.c
index 3fbd33fb..799a80c3 100644
--- a/src/memory.c
+++ b/src/memory.c
@@ -1,6 +1,7 @@
 /**
  * collectd - src/memory.c
- * Copyright (C) 2005-2007  Florian octo Forster
+ * Copyright (C) 2005-2008  Florian octo Forster
+ * Copyright (C) 2009       Simon Kuhnle
  *
  * 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
@@ -17,6 +18,7 @@
  *
  * Authors:
  *   Florian octo Forster <octo at verplant.org>
+ *   Simon Kuhnle <simon at blarzwurst.de>
  **/
 
 #include "collectd.h"
@@ -43,6 +45,10 @@
 # include <mach/vm_statistics.h>
 #endif
 
+#if HAVE_STATGRAB_H
+# include <statgrab.h>
+#endif
+
 /* vm_statistics_data_t */
 #if HAVE_HOST_STATISTICS
 static mach_port_t port_host;
@@ -62,6 +68,14 @@ static int pagesize;
 static kstat_t *ksp;
 /* #endif HAVE_LIBKSTAT */
 
+#elif HAVE_SYSCTL
+static int pagesize;
+/* #endif HAVE_SYSCTL */
+
+#elif HAVE_LIBSTATGRAB
+/* no global variables */
+/* endif HAVE_LIBSTATGRAB */
+
 #else
 # error "No applicable input method."
 #endif
@@ -84,9 +98,25 @@ static int memory_init (void)
 #elif defined(HAVE_LIBKSTAT)
 	/* getpagesize(3C) tells me this does not fail.. */
 	pagesize = getpagesize ();
-	if (get_kstat (&ksp, "unix", 0, "system_pages"))
+	if (get_kstat (&ksp, "unix", 0, "system_pages") != 0)
+	{
 		ksp = NULL;
-#endif /* HAVE_LIBKSTAT */
+		return (-1);
+	}
+/* #endif HAVE_LIBKSTAT */
+
+#elif HAVE_SYSCTL
+	pagesize = getpagesize ();
+	if (pagesize <= 0)
+	{
+		ERROR ("memory plugin: Invalid pagesize: %i", pagesize);
+		return (-1);
+	}
+/* #endif HAVE_SYSCTL */
+
+#elif HAVE_LIBSTATGRAB
+/* no init stuff */
+#endif /* HAVE_LIBSTATGRAB */
 
 	return (0);
 } /* int memory_init */
@@ -100,13 +130,12 @@ static void memory_submit (const char *type_instance, gauge_t value)
 
 	vl.values = values;
 	vl.values_len = 1;
-	vl.time = time (NULL);
-	strcpy (vl.host, hostname_g);
-	strcpy (vl.plugin, "memory");
-	strncpy (vl.type_instance, type_instance, sizeof (vl.type_instance));
-	vl.type_instance[sizeof (vl.type_instance) - 1] = '\0';
+	sstrncpy (vl.host, hostname_g, sizeof (vl.host));
+	sstrncpy (vl.plugin, "memory", sizeof (vl.plugin));
+	sstrncpy (vl.type, "memory", sizeof (vl.type));
+	sstrncpy (vl.type_instance, type_instance, sizeof (vl.type_instance));
 
-	plugin_dispatch_values ("memory", &vl);
+	plugin_dispatch_values (&vl);
 }
 
 static int memory_read (void)
@@ -198,7 +227,7 @@ static int memory_read (void)
 					NULL, 0) == 0)
 		{
 			sysctl_vals[i] = value;
-			DEBUG ("memory plugin: %26s: %6i", sysctl_keys[i], sysctl_vals[i]);
+			DEBUG ("memory plugin: %26s: %g", sysctl_keys[i], sysctl_vals[i]);
 		}
 		else
 		{
@@ -218,7 +247,7 @@ static int memory_read (void)
 	memory_submit ("cache",    sysctl_vals[6]);
 /* #endif HAVE_SYSCTLBYNAME */
 
-#elif defined(KERNEL_LINUX)
+#elif KERNEL_LINUX
 	FILE *fh;
 	char buffer[1024];
 	
@@ -276,9 +305,9 @@ static int memory_read (void)
 		memory_submit ("cached",   mem_cached);
 		memory_submit ("free",     mem_free);
 	}
-/* #endif defined(KERNEL_LINUX) */
+/* #endif KERNEL_LINUX */
 
-#elif defined(HAVE_LIBKSTAT)
+#elif HAVE_LIBKSTAT
 	long long mem_used;
 	long long mem_free;
 	long long mem_lock;
@@ -303,15 +332,36 @@ static int memory_read (void)
 	memory_submit ("used",   mem_used);
 	memory_submit ("free",   mem_free);
 	memory_submit ("locked", mem_lock);
-/* #endif defined(HAVE_LIBKSTAT) */
+/* #endif HAVE_LIBKSTAT */
+
+#elif HAVE_SYSCTL
+	int mib[] = {CTL_VM, VM_METER};
+	struct vmtotal vmtotal;
+	size_t size;
+
+	memset (&vmtotal, 0, sizeof (vmtotal));
+	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);
+	memory_submit ("active",   vmtotal.t_arm * pagesize);
+	memory_submit ("inactive", (vmtotal.t_rm - vmtotal.t_arm) * pagesize);
+	memory_submit ("free",     vmtotal.t_free * pagesize);
+/* #endif HAVE_SYSCTL */
 
-#elif defined(HAVE_LIBSTATGRAB)
+#elif HAVE_LIBSTATGRAB
 	sg_mem_stats *ios;
 
 	if ((ios = sg_get_mem_stats ()) != NULL)
 	{
 		memory_submit ("used",   ios->used);
-		memory_submit ("cached", ios->cached);
+		memory_submit ("cached", ios->cache);
 		memory_submit ("free",   ios->free);
 	}
 #endif /* HAVE_LIBSTATGRAB */