1 files changed, 81 insertions, 0 deletions
diff --git a/agent/mibgroup/hardware/memory/memory_aix.c b/agent/mibgroup/hardware/memory/memory_aix.c
new file mode 100644
index 0000000..ad24526
--- /dev/null
+++ b/agent/mibgroup/hardware/memory/memory_aix.c
@@ -0,0 +1,81 @@
+#include <net-snmp/net-snmp-config.h>
+#include <net-snmp/net-snmp-includes.h>
+#include <net-snmp/agent/net-snmp-agent-includes.h>
+#include <net-snmp/agent/hardware/memory.h>
+
+#include <unistd.h>
+#include <sys/protosw.h>
+#include <libperfstat.h>
+#include <sys/stat.h>
+
+
+    /*
+     * Load the latest memory usage statistics
+     */
+int netsnmp_mem_arch_load( netsnmp_cache *cache, void *magic ) {
+
+    netsnmp_memory_info    *mem;
+    perfstat_memory_total_t pstat_mem;
+    long                    pagesize;
+
+    /*
+     * Retrieve the memory information from the underlying O/S...
+     */
+    if (perfstat_memory_total((perfstat_id_t *)NULL, &pstat_mem,
+                        sizeof(perfstat_memory_total_t), 1) < 1) {
+        snmp_log(LOG_ERR, "memory_aix: perfstat_memory_total failed!\n");
+        return -1;
+    }
+    pagesize = getpagesize();
+
+    /*
+     * ... and save this in a standard form.
+     */
+    mem = netsnmp_memory_get_byIdx( NETSNMP_MEM_TYPE_PHYSMEM, 1 );
+    if (!mem) {
+        snmp_log_perror("No Physical Memory info entry");
+    } else {
+        if (!mem->descr)
+             mem->descr = strdup("Physical memory");
+        mem->units = pagesize;   /* or 4096 */
+        mem->size = pstat_mem.real_total;
+        mem->free = pstat_mem.real_free;
+    }
+
+    /* ??? Duplicates Physical Memory statistics? */
+    mem = netsnmp_memory_get_byIdx( NETSNMP_MEM_TYPE_USERMEM, 1 );
+    if (!mem) {
+        snmp_log_perror("No (user) Memory info entry");
+    } else {
+        if (!mem->descr)
+             mem->descr = strdup("Real memory");
+        mem->units = pagesize;   /* or 4096 */
+        mem->size = pstat_mem.real_total;  /* ? less system memory ? */
+        mem->free = pstat_mem.real_free;
+    }
+
+    mem = netsnmp_memory_get_byIdx( NETSNMP_MEM_TYPE_VIRTMEM, 1 );
+    if (!mem) {
+        snmp_log_perror("No Virtual Memory info entry");
+    } else {
+        if (!mem->descr)
+             mem->descr = strdup("Virtual memory");
+        mem->units = pagesize;   /* or 4096 */
+        mem->size = pstat_mem.virt_total;
+        mem->free = pstat_mem.real_free + pstat_mem.pgsp_free;
+    }
+
+    mem = netsnmp_memory_get_byIdx( NETSNMP_MEM_TYPE_SWAP, 1 );
+    if (!mem) {
+        snmp_log_perror("No Swap info entry");
+    } else {
+        if (!mem->descr)
+             mem->descr = strdup("Swap space");
+        mem->units = pagesize;   /* or 4096 */
+        mem->size = pstat_mem.pgsp_total;
+        mem->free = pstat_mem.pgsp_free;
+        mem->other = pstat_mem.pgsp_rsvd;
+    }
+
+    return 0;
+}