+ // --------------------------------------------------------------------
+
+ if (likely(do_ram || do_swapio || do_pgfaults)) {
+ count = sizeof(vm_statistics64_data_t);
+ kr = host_statistics64(host, HOST_VM_INFO64, (host_info64_t)&vm_statistics, &count);
+ if (unlikely(kr != KERN_SUCCESS)) {
+ error("MACOS: host_statistics64() failed: %s", mach_error_string(kr));
+ do_ram = 0;
+ error("DISABLED: system.ram");
+ do_swapio = 0;
+ error("DISABLED: system.swapio");
+ do_pgfaults = 0;
+ error("DISABLED: mem.pgfaults");
+ } else {
+ if (likely(do_ram)) {
+ st = rrdset_find_localhost("system.ram");
+ if (unlikely(!st)) {
+ st = rrdset_create_localhost("system", "ram", NULL, "ram", NULL, "System RAM", "MB", 200
+ , update_every, RRDSET_TYPE_STACKED);
+
+ rrddim_add(st, "active", NULL, system_pagesize, 1048576, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(st, "wired", NULL, system_pagesize, 1048576, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(st, "throttled", NULL, system_pagesize, 1048576, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(st, "compressor", NULL, system_pagesize, 1048576, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(st, "inactive", NULL, system_pagesize, 1048576, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(st, "purgeable", NULL, system_pagesize, 1048576, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(st, "speculative", NULL, system_pagesize, 1048576, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(st, "free", NULL, system_pagesize, 1048576, RRD_ALGORITHM_ABSOLUTE);
+ }
+ else rrdset_next(st);
+
+ rrddim_set(st, "active", vm_statistics.active_count);
+ rrddim_set(st, "wired", vm_statistics.wire_count);
+ rrddim_set(st, "throttled", vm_statistics.throttled_count);
+ rrddim_set(st, "compressor", vm_statistics.compressor_page_count);
+ rrddim_set(st, "inactive", vm_statistics.inactive_count);
+ rrddim_set(st, "purgeable", vm_statistics.purgeable_count);
+ rrddim_set(st, "speculative", vm_statistics.speculative_count);
+ rrddim_set(st, "free", (vm_statistics.free_count - vm_statistics.speculative_count));
+ rrdset_done(st);
+ }
+
+ // --------------------------------------------------------------------
+
+ if (likely(do_swapio)) {
+ st = rrdset_find_localhost("system.swapio");
+ if (unlikely(!st)) {
+ st = rrdset_create_localhost("system", "swapio", NULL, "swap", NULL, "Swap I/O", "kilobytes/s", 250
+ , update_every, RRDSET_TYPE_AREA);
+
+ rrddim_add(st, "in", NULL, system_pagesize, 1024, RRD_ALGORITHM_INCREMENTAL);
+ rrddim_add(st, "out", NULL, -system_pagesize, 1024, RRD_ALGORITHM_INCREMENTAL);
+ }
+ else rrdset_next(st);
+
+ rrddim_set(st, "in", vm_statistics.swapins);
+ rrddim_set(st, "out", vm_statistics.swapouts);
+ rrdset_done(st);
+ }
+
+ // --------------------------------------------------------------------
+
+ if (likely(do_pgfaults)) {
+ st = rrdset_find_localhost("mem.pgfaults");
+ if (unlikely(!st)) {
+ st = rrdset_create_localhost("mem", "pgfaults", NULL, "system", NULL, "Memory Page Faults"
+ , "page faults/s", 500, update_every, RRDSET_TYPE_LINE);
+ rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
+
+ rrddim_add(st, "memory", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ rrddim_add(st, "cow", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ rrddim_add(st, "pagein", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ rrddim_add(st, "pageout", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ rrddim_add(st, "compress", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ rrddim_add(st, "decompress", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ rrddim_add(st, "zero_fill", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ rrddim_add(st, "reactivate", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ rrddim_add(st, "purge", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ }
+ else rrdset_next(st);
+
+ rrddim_set(st, "memory", vm_statistics.faults);
+ rrddim_set(st, "cow", vm_statistics.cow_faults);
+ rrddim_set(st, "pagein", vm_statistics.pageins);
+ rrddim_set(st, "pageout", vm_statistics.pageouts);
+ rrddim_set(st, "compress", vm_statistics.compressions);
+ rrddim_set(st, "decompress", vm_statistics.decompressions);
+ rrddim_set(st, "zero_fill", vm_statistics.zero_fill_count);
+ rrddim_set(st, "reactivate", vm_statistics.reactivations);
+ rrddim_set(st, "purge", vm_statistics.purges);
+ rrdset_done(st);
+ }
+ }
+ }
+
+ // --------------------------------------------------------------------
+