src/freebsd_sysctl.c

   1 #include "common.h"
   2
   3 #ifndef __APPLE__
   4 // NEEDED BY: struct vmtotal, struct vmmeter
   5 #include <sys/vmmeter.h>
   6 // NEEDED BY: struct devstat
   7 #include <sys/devicestat.h>
   8 // NEEDED BY: struct xswdev
   9 #include <vm/vm_param.h>
  10 // NEEDED BY: struct semid_kernel, struct shmid_kernel, struct msqid_kernel
  11 #define _KERNEL
  12 #include <sys/sem.h>
  13 #include <sys/shm.h>
  14 #include <sys/msg.h>
  15 #undef _KERNEL
  16 // NEEDED BY: struct sysctl_netisr_workstream, struct sysctl_netisr_work
  17 #include <net/netisr.h>
  18 // NEEDED BY: struct ifaddrs, getifaddrs()
  19 #define _IFI_OQDROPS // It is for FreeNAS only. Most probably in future releases of FreeNAS it will be removed
  20 #include <net/if.h>
  21 #include <ifaddrs.h>
  22 #endif /* __APPLE__ */
  23 // NEEDED BY: do_disk_io
  24 #define RRD_TYPE_DISK "disk"
  25
  26 // FreeBSD calculates load averages once every 5 seconds
  27 #define MIN_LOADAVG_UPDATE_EVERY 5
  28
  29 // NEEDED BY: do_bandwidth
  30 #define IFA_DATA(s) (((struct if_data *)ifa->ifa_data)->ifi_ ## s)
  31
  32 int do_freebsd_sysctl(int update_every, usec_t dt) {
  33     (void)dt;
  34
  35     static int do_cpu = -1, do_cpu_cores = -1, do_interrupts = -1, do_context = -1, do_forks = -1, do_processes = -1,
  36         do_loadavg = -1, do_all_processes = -1, do_disk_io = -1, do_swap = -1, do_ram = -1, do_swapio = -1,
  37         do_pgfaults = -1, do_committed = -1, do_ipc_semaphores = -1, do_ipc_shared_mem = -1, do_ipc_msg_queues = -1,
  38         do_dev_intr = -1, do_soft_intr = -1, do_netisr = -1, do_netisr_per_core = -1, do_bandwidth = -1;
  39
  40     if (unlikely(do_cpu == -1)) {
  41         do_cpu                  = config_get_boolean("plugin:freebsd:sysctl", "cpu utilization", 1);
  42         do_cpu_cores            = config_get_boolean("plugin:freebsd:sysctl", "per cpu core utilization", 1);
  43         do_interrupts           = config_get_boolean("plugin:freebsd:sysctl", "cpu interrupts", 1);
  44         do_dev_intr             = config_get_boolean("plugin:freebsd:sysctl", "device interrupts", 1);
  45         do_soft_intr            = config_get_boolean("plugin:freebsd:sysctl", "software interrupts", 1);
  46         do_context              = config_get_boolean("plugin:freebsd:sysctl", "context switches", 1);
  47         do_forks                = config_get_boolean("plugin:freebsd:sysctl", "processes started", 1);
  48         do_processes            = config_get_boolean("plugin:freebsd:sysctl", "processes running", 1);
  49         do_loadavg              = config_get_boolean("plugin:freebsd:sysctl", "enable load average", 1);
  50         do_all_processes        = config_get_boolean("plugin:freebsd:sysctl", "enable total processes", 1);
  51         do_disk_io              = config_get_boolean("plugin:freebsd:sysctl", "stats for all disks", 1);
  52         do_swap                 = config_get_boolean("plugin:freebsd:sysctl", "system swap", 1);
  53         do_ram                  = config_get_boolean("plugin:freebsd:sysctl", "system ram", 1);
  54         do_swapio               = config_get_boolean("plugin:freebsd:sysctl", "swap i/o", 1);
  55         do_pgfaults             = config_get_boolean("plugin:freebsd:sysctl", "memory page faults", 1);
  56         do_committed            = config_get_boolean("plugin:freebsd:sysctl", "committed memory", 1);
  57         do_ipc_semaphores       = config_get_boolean("plugin:freebsd:sysctl", "ipc semaphores", 1);
  58         do_ipc_shared_mem       = config_get_boolean("plugin:freebsd:sysctl", "ipc shared memory", 1);
  59         do_ipc_msg_queues       = config_get_boolean("plugin:freebsd:sysctl", "ipc message queues", 1);
  60         do_netisr               = config_get_boolean("plugin:freebsd:sysctl", "netisr", 1);
  61         do_netisr_per_core      = config_get_boolean("plugin:freebsd:sysctl", "netisr per core", 1);
  62         do_bandwidth            = config_get_boolean("plugin:freebsd:sysctl", "bandwidth", 1);
  63     }
  64
  65     RRDSET *st;
  66
  67     int system_pagesize = getpagesize(); // wouldn't it be better to get value directly from hw.pagesize?
  68     int i, n;
  69     int common_error = 0;
  70     size_t size;
  71
  72     // NEEDED BY: do_loadavg
  73     static usec_t last_loadavg_usec = 0;
  74     struct loadavg sysload;
  75
  76 #ifndef __APPLE__
  77     // NEEDED BY: do_cpu, do_cpu_cores
  78     long cp_time[CPUSTATES];
  79
  80     // NEEDED BY: du_cpu_cores, do_netisr, do_netisr_per_core
  81     int ncpus;
  82
  83     // NEEDED BY: do_cpu_cores
  84     static long *pcpu_cp_time = NULL;
  85     char cpuid[8]; // no more than 4 digits expected
  86
  87     // NEEDED BY: do_all_processes, do_processes
  88     struct vmtotal vmtotal_data;
  89
  90     // NEEDED BY: do_context, do_forks
  91     u_int u_int_data;
  92
  93     // NEEDED BY: do_interrupts
  94     size_t intrcnt_size;
  95     unsigned long nintr = 0;
  96     static unsigned long *intrcnt = NULL;
  97     unsigned long long totalintr = 0;
  98
  99     // NEEDED BY: do_disk_io
 100     #define BINTIME_SCALE 5.42101086242752217003726400434970855712890625e-17 // this is 1000/2^64
 101     int numdevs;
 102     static void *devstat_data = NULL;
 103     struct devstat *dstat;
 104     struct cur_dstat {
 105         collected_number duration_read_ms;
 106         collected_number duration_write_ms;
 107         collected_number busy_time_ms;
 108     } cur_dstat;
 109     struct prev_dstat {
 110         collected_number bytes_read;
 111         collected_number bytes_write;
 112         collected_number operations_read;
 113         collected_number operations_write;
 114         collected_number duration_read_ms;
 115         collected_number duration_write_ms;
 116         collected_number busy_time_ms;
 117     } prev_dstat;
 118
 119     // NEEDED BY: do_swap
 120     size_t mibsize;
 121     int mib[3]; // CTL_MAXNAME = 24 maximum mib components (sysctl.h)
 122     struct xswdev xsw;
 123     struct total_xsw {
 124         collected_number bytes_used;
 125         collected_number bytes_total;
 126     } total_xsw = {0, 0};
 127
 128     // NEEDED BY: do_swapio, do_ram
 129     struct vmmeter vmmeter_data;
 130
 131     // NEEDED BY: do_ram
 132     int vfs_bufspace_count;
 133
 134     // NEEDED BY: do_ipc_semaphores
 135     struct ipc_sem {
 136         int semmni;
 137         collected_number sets;
 138         collected_number semaphores;
 139     } ipc_sem = {0, 0, 0};
 140     static struct semid_kernel *ipc_sem_data = NULL;
 141
 142     // NEEDED BY: do_ipc_shared_mem
 143     struct ipc_shm {
 144         u_long shmmni;
 145         collected_number segs;
 146         collected_number segsize;
 147     } ipc_shm = {0, 0, 0};
 148     static struct shmid_kernel *ipc_shm_data = NULL;
 149
 150     // NEEDED BY: do_ipc_msg_queues
 151     struct ipc_msq {
 152         int msgmni;
 153         collected_number queues;
 154         collected_number messages;
 155         collected_number usedsize;
 156         collected_number allocsize;
 157     } ipc_msq = {0, 0, 0, 0, 0};
 158     static struct msqid_kernel *ipc_msq_data = NULL;
 159
 160     // NEEDED BY: do_netisr, do_netisr_per_core
 161     size_t netisr_workstream_size;
 162     size_t netisr_work_size;
 163     unsigned long num_netisr_workstreams = 0, num_netisr_works = 0;
 164     static struct sysctl_netisr_workstream *netisr_workstream = NULL;
 165     static struct sysctl_netisr_work *netisr_work = NULL;
 166     static struct netisr_stats {
 167         collected_number dispatched;
 168         collected_number hybrid_dispatched;
 169         collected_number qdrops;
 170         collected_number queued;
 171     } *netisr_stats = NULL;
 172     char netstat_cpuid[21]; // no more than 4 digits expected
 173
 174     // NEEDED BY: do_bandwidth
 175     struct ifaddrs *ifa, *ifap;
 176     struct iftot {
 177         u_long  ift_ibytes;
 178         u_long  ift_obytes;
 179     } iftot = {0, 0};
 180
 181     // --------------------------------------------------------------------
 182
 183 #endif /* __APPLE__ */
 184     if (last_loadavg_usec <= dt) {
 185         if (likely(do_loadavg)) {
 186             if (unlikely(GETSYSCTL("vm.loadavg", sysload))) {
 187                 do_loadavg = 0;
 188                 error("DISABLED: system.load");
 189             } else {
 190
 191                 st = rrdset_find_bytype("system", "load");
 192                 if (unlikely(!st)) {
 193                     st = rrdset_create("system", "load", NULL, "load", NULL, "System Load Average", "load", 100, (update_every < MIN_LOADAVG_UPDATE_EVERY) ? MIN_LOADAVG_UPDATE_EVERY : update_every, RRDSET_TYPE_LINE);
 194                     rrddim_add(st, "load1", NULL, 1, 1000, RRDDIM_ABSOLUTE);
 195                     rrddim_add(st, "load5", NULL, 1, 1000, RRDDIM_ABSOLUTE);
 196                     rrddim_add(st, "load15", NULL, 1, 1000, RRDDIM_ABSOLUTE);
 197                 }
 198                 else rrdset_next(st);
 199
 200                 rrddim_set(st, "load1", (collected_number) ((double)sysload.ldavg[0] / sysload.fscale * 1000));
 201                 rrddim_set(st, "load5", (collected_number) ((double)sysload.ldavg[1] / sysload.fscale * 1000));
 202                 rrddim_set(st, "load15", (collected_number) ((double)sysload.ldavg[2] / sysload.fscale * 1000));
 203                 rrdset_done(st);
 204             }
 205         }
 206
 207         last_loadavg_usec = st->update_every * USEC_PER_SEC;
 208     }
 209     else last_loadavg_usec -= dt;
 210 #ifndef __APPLE__
 211
 212     // --------------------------------------------------------------------
 213
 214     if (likely(do_all_processes | do_processes | do_committed)) {
 215         if (unlikely(GETSYSCTL("vm.vmtotal", vmtotal_data))) {
 216             do_all_processes = 0;
 217             error("DISABLED: system.active_processes");
 218             do_processes = 0;
 219             error("DISABLED: system.processes");
 220             do_committed = 0;
 221             error("DISABLED: mem.committed");
 222         } else {
 223             if (likely(do_all_processes)) {
 224
 225                 st = rrdset_find_bytype("system", "active_processes");
 226                 if (unlikely(!st)) {
 227                     st = rrdset_create("system", "active_processes", NULL, "processes", NULL, "System Active Processes", "processes", 750, update_every, RRDSET_TYPE_LINE);
 228                     rrddim_add(st, "active", NULL, 1, 1, RRDDIM_ABSOLUTE);
 229                 }
 230                 else rrdset_next(st);
 231
 232                 rrddim_set(st, "active", (vmtotal_data.t_rq + vmtotal_data.t_dw + vmtotal_data.t_pw + vmtotal_data.t_sl + vmtotal_data.t_sw));
 233                 rrdset_done(st);
 234             }
 235
 236             // --------------------------------------------------------------------
 237
 238             if (likely(do_processes)) {
 239
 240                 st = rrdset_find_bytype("system", "processes");
 241                 if (unlikely(!st)) {
 242                     st = rrdset_create("system", "processes", NULL, "processes", NULL, "System Processes", "processes", 600, update_every, RRDSET_TYPE_LINE);
 243
 244                     rrddim_add(st, "running", NULL, 1, 1, RRDDIM_ABSOLUTE);
 245                     rrddim_add(st, "blocked", NULL, -1, 1, RRDDIM_ABSOLUTE);
 246                 }
 247                 else rrdset_next(st);
 248
 249                 rrddim_set(st, "running", vmtotal_data.t_rq);
 250                 rrddim_set(st, "blocked", (vmtotal_data.t_dw + vmtotal_data.t_pw));
 251                 rrdset_done(st);
 252             }
 253
 254             // --------------------------------------------------------------------
 255
 256             if (likely(do_committed)) {
 257                 st = rrdset_find("mem.committed");
 258                 if (unlikely(!st)) {
 259                     st = rrdset_create("mem", "committed", NULL, "system", NULL, "Committed (Allocated) Memory", "MB", 5000, update_every, RRDSET_TYPE_AREA);
 260                     st->isdetail = 1;
 261
 262                     rrddim_add(st, "Committed_AS", NULL, system_pagesize, 1024, RRDDIM_ABSOLUTE);
 263                 }
 264                 else rrdset_next(st);
 265
 266                 rrddim_set(st, "Committed_AS", vmtotal_data.t_rm);
 267                 rrdset_done(st);
 268             }
 269         }
 270     }
 271
 272     // --------------------------------------------------------------------
 273
 274     if (likely(do_cpu)) {
 275         if (unlikely(CPUSTATES != 5)) {
 276             error("FREEBSD: There are %d CPU states (5 was expected)", CPUSTATES);
 277             do_cpu = 0;
 278             error("DISABLED: system.cpu");
 279         } else {
 280             if (unlikely(GETSYSCTL("kern.cp_time", cp_time))) {
 281                 do_cpu = 0;
 282                 error("DISABLED: system.cpu");
 283             } else {
 284
 285                 st = rrdset_find_bytype("system", "cpu");
 286                 if (unlikely(!st)) {
 287                     st = rrdset_create("system", "cpu", NULL, "cpu", "system.cpu", "Total CPU utilization", "percentage", 100, update_every, RRDSET_TYPE_STACKED);
 288
 289                     rrddim_add(st, "user", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 290                     rrddim_add(st, "nice", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 291                     rrddim_add(st, "system", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 292                     rrddim_add(st, "interrupt", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 293                     rrddim_add(st, "idle", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 294                     rrddim_hide(st, "idle");
 295                 }
 296                 else rrdset_next(st);
 297
 298                 rrddim_set(st, "user", cp_time[0]);
 299                 rrddim_set(st, "nice", cp_time[1]);
 300                 rrddim_set(st, "system", cp_time[2]);
 301                 rrddim_set(st, "interrupt", cp_time[3]);
 302                 rrddim_set(st, "idle", cp_time[4]);
 303                 rrdset_done(st);
 304             }
 305         }
 306     }
 307
 308     // --------------------------------------------------------------------
 309
 310     if (likely(do_cpu_cores)) {
 311         if (unlikely(CPUSTATES != 5)) {
 312             error("FREEBSD: There are %d CPU states (5 was expected)", CPUSTATES);
 313             do_cpu_cores = 0;
 314             error("DISABLED: cpu.cpuXX");
 315         } else {
 316             if (unlikely(GETSYSCTL("kern.smp.cpus", ncpus))) {
 317                 do_cpu_cores = 0;
 318                 error("DISABLED: cpu.cpuXX");
 319             } else {
 320                 pcpu_cp_time = reallocz(pcpu_cp_time, sizeof(cp_time) * ncpus);
 321
 322                 for (i = 0; i < ncpus; i++) {
 323                     if (unlikely(getsysctl("kern.cp_times", pcpu_cp_time, sizeof(cp_time) * ncpus))) {
 324                         do_cpu_cores = 0;
 325                         error("DISABLED: cpu.cpuXX");
 326                         break;
 327                     }
 328                     if (unlikely(ncpus > 9999)) {
 329                         error("FREEBSD: There are more than 4 digits in cpu cores number");
 330                         do_cpu_cores = 0;
 331                         error("DISABLED: cpu.cpuXX");
 332                         break;
 333                     }
 334                     snprintfz(cpuid, 8, "cpu%d", i);
 335
 336                     st = rrdset_find_bytype("cpu", cpuid);
 337                     if (unlikely(!st)) {
 338                         st = rrdset_create("cpu", cpuid, NULL, "utilization", "cpu.cpu", "Core utilization", "percentage", 1000, update_every, RRDSET_TYPE_STACKED);
 339
 340                         rrddim_add(st, "user", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 341                         rrddim_add(st, "nice", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 342                         rrddim_add(st, "system", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 343                         rrddim_add(st, "interrupt", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 344                         rrddim_add(st, "idle", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 345                         rrddim_hide(st, "idle");
 346                     }
 347                     else rrdset_next(st);
 348
 349                     rrddim_set(st, "user", pcpu_cp_time[i * 5 + 0]);
 350                     rrddim_set(st, "nice", pcpu_cp_time[i * 5 + 1]);
 351                     rrddim_set(st, "system", pcpu_cp_time[i * 5 + 2]);
 352                     rrddim_set(st, "interrupt", pcpu_cp_time[i * 5 + 3]);
 353                     rrddim_set(st, "idle", pcpu_cp_time[i * 5 + 4]);
 354                     rrdset_done(st);
 355                 }
 356             }
 357         }
 358     }
 359
 360     // --------------------------------------------------------------------
 361
 362     if (likely(do_interrupts)) {
 363         if (unlikely(sysctlbyname("hw.intrcnt", NULL, &intrcnt_size, NULL, 0) == -1)) {
 364             error("FREEBSD: sysctl(hw.intrcnt...) failed: %s", strerror(errno));
 365             do_interrupts = 0;
 366             error("DISABLED: system.intr");
 367         } else {
 368             nintr = intrcnt_size / sizeof(u_long);
 369             intrcnt = reallocz(intrcnt, nintr * sizeof(u_long));
 370             if (unlikely(getsysctl("hw.intrcnt", intrcnt, nintr * sizeof(u_long)))){
 371                 do_interrupts = 0;
 372                 error("DISABLED: system.intr");
 373             } else {
 374                 for (i = 0; i < nintr; i++)
 375                     totalintr += intrcnt[i];
 376
 377                 st = rrdset_find_bytype("system", "intr");
 378                 if (unlikely(!st)) {
 379                     st = rrdset_create("system", "intr", NULL, "interrupts", NULL, "Total Hardware Interrupts", "interrupts/s", 900, update_every, RRDSET_TYPE_LINE);
 380                     st->isdetail = 1;
 381
 382                     rrddim_add(st, "interrupts", NULL, 1, 1, RRDDIM_INCREMENTAL);
 383                 }
 384                 else rrdset_next(st);
 385
 386                 rrddim_set(st, "interrupts", totalintr);
 387                 rrdset_done(st);
 388             }
 389         }
 390     }
 391
 392     // --------------------------------------------------------------------
 393
 394     if (likely(do_dev_intr)) {
 395         if (unlikely(GETSYSCTL("vm.stats.sys.v_intr", u_int_data))) {
 396             do_dev_intr = 0;
 397             error("DISABLED: system.dev_intr");
 398         } else {
 399
 400             st = rrdset_find_bytype("system", "dev_intr");
 401             if (unlikely(!st)) {
 402                 st = rrdset_create("system", "dev_intr", NULL, "interrupts", NULL, "Device Interrupts", "interrupts/s", 1000, update_every, RRDSET_TYPE_LINE);
 403
 404                 rrddim_add(st, "interrupts", NULL, 1, 1, RRDDIM_INCREMENTAL);
 405             }
 406             else rrdset_next(st);
 407
 408             rrddim_set(st, "interrupts", u_int_data);
 409             rrdset_done(st);
 410         }
 411     }
 412
 413     // --------------------------------------------------------------------
 414
 415     if (likely(do_soft_intr)) {
 416         if (unlikely(GETSYSCTL("vm.stats.sys.v_soft", u_int_data))) {
 417             do_soft_intr = 0;
 418             error("DISABLED: system.dev_intr");
 419         } else {
 420
 421             st = rrdset_find_bytype("system", "soft_intr");
 422             if (unlikely(!st)) {
 423                 st = rrdset_create("system", "soft_intr", NULL, "interrupts", NULL, "Software Interrupts", "interrupts/s", 1100, update_every, RRDSET_TYPE_LINE);
 424
 425                 rrddim_add(st, "interrupts", NULL, 1, 1, RRDDIM_INCREMENTAL);
 426             }
 427             else rrdset_next(st);
 428
 429             rrddim_set(st, "interrupts", u_int_data);
 430             rrdset_done(st);
 431         }
 432     }
 433
 434     // --------------------------------------------------------------------
 435
 436     if (likely(do_context)) {
 437         if (unlikely(GETSYSCTL("vm.stats.sys.v_swtch", u_int_data))) {
 438             do_context = 0;
 439             error("DISABLED: system.ctxt");
 440         } else {
 441
 442             st = rrdset_find_bytype("system", "ctxt");
 443             if (unlikely(!st)) {
 444                 st = rrdset_create("system", "ctxt", NULL, "processes", NULL, "CPU Context Switches", "context switches/s", 800, update_every, RRDSET_TYPE_LINE);
 445
 446                 rrddim_add(st, "switches", NULL, 1, 1, RRDDIM_INCREMENTAL);
 447             }
 448             else rrdset_next(st);
 449
 450             rrddim_set(st, "switches", u_int_data);
 451             rrdset_done(st);
 452         }
 453     }
 454
 455     // --------------------------------------------------------------------
 456
 457     if (likely(do_forks)) {
 458         if (unlikely(GETSYSCTL("vm.stats.vm.v_forks", u_int_data))) {
 459             do_forks = 0;
 460             error("DISABLED: system.forks");
 461         } else {
 462
 463             st = rrdset_find_bytype("system", "forks");
 464             if (unlikely(!st)) {
 465                 st = rrdset_create("system", "forks", NULL, "processes", NULL, "Started Processes", "processes/s", 700, update_every, RRDSET_TYPE_LINE);
 466                 st->isdetail = 1;
 467
 468                 rrddim_add(st, "started", NULL, 1, 1, RRDDIM_INCREMENTAL);
 469             }
 470             else rrdset_next(st);
 471
 472             rrddim_set(st, "started", u_int_data);
 473             rrdset_done(st);
 474         }
 475     }
 476
 477     // --------------------------------------------------------------------
 478
 479     if (likely(do_disk_io)) {
 480         if (unlikely(GETSYSCTL("kern.devstat.numdevs", numdevs))) {
 481             do_disk_io = 0;
 482             error("DISABLED: disk.io");
 483         } else {
 484             devstat_data = reallocz(devstat_data, sizeof(long) + sizeof(struct devstat) * numdevs); // there is generation number before devstat structures
 485             if (unlikely(getsysctl("kern.devstat.all", devstat_data, sizeof(long) + sizeof(struct devstat) * numdevs))) {
 486                 do_disk_io = 0;
 487                 error("DISABLED: disk.io");
 488             } else {
 489                 dstat = devstat_data + sizeof(long); // skip generation number
 490                 collected_number total_disk_reads = 0;
 491                 collected_number total_disk_writes = 0;
 492
 493                 for (i = 0; i < numdevs; i++) {
 494                     if ((dstat[i].device_type == (DEVSTAT_TYPE_IF_SCSI | DEVSTAT_TYPE_DIRECT)) || (dstat[i].device_type == (DEVSTAT_TYPE_IF_IDE | DEVSTAT_TYPE_DIRECT))) {
 495
 496                         // --------------------------------------------------------------------
 497
 498                         st = rrdset_find_bytype(RRD_TYPE_DISK, dstat[i].device_name);
 499                         if (unlikely(!st)) {
 500                             st = rrdset_create(RRD_TYPE_DISK, dstat[i].device_name, NULL, dstat[i].device_name, "disk.io", "Disk I/O Bandwidth", "kilobytes/s", 2000, update_every, RRDSET_TYPE_AREA);
 501
 502                             rrddim_add(st, "reads", NULL, 1, 1024, RRDDIM_INCREMENTAL);
 503                             rrddim_add(st, "writes", NULL, -1, 1024, RRDDIM_INCREMENTAL);
 504                         }
 505                         else rrdset_next(st);
 506
 507                         total_disk_reads += dstat[i].bytes[DEVSTAT_READ];
 508                         total_disk_writes += dstat[i].bytes[DEVSTAT_WRITE];
 509                         prev_dstat.bytes_read = rrddim_set(st, "reads", dstat[i].bytes[DEVSTAT_READ]);
 510                         prev_dstat.bytes_write = rrddim_set(st, "writes", dstat[i].bytes[DEVSTAT_WRITE]);
 511                         rrdset_done(st);
 512
 513                         // --------------------------------------------------------------------
 514
 515                         st = rrdset_find_bytype("disk_ops", dstat[i].device_name);
 516                         if (unlikely(!st)) {
 517                             st = rrdset_create("disk_ops", dstat[i].device_name, NULL, dstat[i].device_name, "disk.ops", "Disk Completed I/O Operations", "operations/s", 2001, update_every, RRDSET_TYPE_LINE);
 518                             st->isdetail = 1;
 519
 520                             rrddim_add(st, "reads", NULL, 1, 1, RRDDIM_INCREMENTAL);
 521                             rrddim_add(st, "writes", NULL, -1, 1, RRDDIM_INCREMENTAL);
 522                         }
 523                         else rrdset_next(st);
 524
 525                         prev_dstat.operations_read = rrddim_set(st, "reads", dstat[i].operations[DEVSTAT_READ]);
 526                         prev_dstat.operations_write = rrddim_set(st, "writes", dstat[i].operations[DEVSTAT_WRITE]);
 527                         rrdset_done(st);
 528
 529                         // --------------------------------------------------------------------
 530
 531                         st = rrdset_find_bytype("disk_qops", dstat[i].device_name);
 532                         if (unlikely(!st)) {
 533                             st = rrdset_create("disk_qops", dstat[i].device_name, NULL, dstat[i].device_name, "disk.qops", "Disk Current I/O Operations", "operations", 2002, update_every, RRDSET_TYPE_LINE);
 534                             st->isdetail = 1;
 535
 536                             rrddim_add(st, "operations", NULL, 1, 1, RRDDIM_ABSOLUTE);
 537                         }
 538                         else rrdset_next(st);
 539
 540                         rrddim_set(st, "operations", dstat[i].start_count - dstat[i].end_count);
 541                         rrdset_done(st);
 542
 543                         // --------------------------------------------------------------------
 544
 545                         st = rrdset_find_bytype("disk_util", dstat[i].device_name);
 546                         if (unlikely(!st)) {
 547                             st = rrdset_create("disk_util", dstat[i].device_name, NULL, dstat[i].device_name, "disk.util", "Disk Utilization Time", "% of time working", 2004, update_every, RRDSET_TYPE_AREA);
 548                             st->isdetail = 1;
 549
 550                             rrddim_add(st, "utilization", NULL, 1, 10, RRDDIM_INCREMENTAL);
 551                         }
 552                         else rrdset_next(st);
 553
 554                         cur_dstat.busy_time_ms = dstat[i].busy_time.sec * 1000 + dstat[i].busy_time.frac * BINTIME_SCALE;
 555                         prev_dstat.busy_time_ms = rrddim_set(st, "utilization", cur_dstat.busy_time_ms);
 556                         rrdset_done(st);
 557
 558                         // --------------------------------------------------------------------
 559
 560                         st = rrdset_find_bytype("disk_iotime", dstat[i].device_name);
 561                         if (unlikely(!st)) {
 562                             st = rrdset_create("disk_iotime", dstat[i].device_name, NULL, dstat[i].device_name, "disk.iotime", "Disk Total I/O Time", "milliseconds/s", 2022, update_every, RRDSET_TYPE_LINE);
 563                             st->isdetail = 1;
 564
 565                             rrddim_add(st, "reads", NULL, 1, 1, RRDDIM_INCREMENTAL);
 566                             rrddim_add(st, "writes", NULL, -1, 1, RRDDIM_INCREMENTAL);
 567                         }
 568                         else rrdset_next(st);
 569
 570                         cur_dstat.duration_read_ms = dstat[i].duration[DEVSTAT_READ].sec * 1000 + dstat[i].duration[DEVSTAT_READ].frac * BINTIME_SCALE;
 571                         cur_dstat.duration_write_ms = dstat[i].duration[DEVSTAT_WRITE].sec * 1000 + dstat[i].duration[DEVSTAT_READ].frac * BINTIME_SCALE;
 572                         prev_dstat.duration_read_ms = rrddim_set(st, "reads", cur_dstat.duration_read_ms);
 573                         prev_dstat.duration_write_ms = rrddim_set(st, "writes", cur_dstat.duration_write_ms);
 574                         rrdset_done(st);
 575
 576                         // --------------------------------------------------------------------
 577                         // calculate differential charts
 578                         // only if this is not the first time we run
 579
 580                         if (likely(dt)) {
 581
 582                             // --------------------------------------------------------------------
 583
 584                             st = rrdset_find_bytype("disk_await", dstat[i].device_name);
 585                             if (unlikely(!st)) {
 586                                 st = rrdset_create("disk_await", dstat[i].device_name, NULL, dstat[i].device_name, "disk.await", "Average Completed I/O Operation Time", "ms per operation", 2005, update_every, RRDSET_TYPE_LINE);
 587                                 st->isdetail = 1;
 588
 589                                 rrddim_add(st, "reads", NULL, 1, 1, RRDDIM_ABSOLUTE);
 590                                 rrddim_add(st, "writes", NULL, -1, 1, RRDDIM_ABSOLUTE);
 591                             }
 592                             else rrdset_next(st);
 593
 594                             rrddim_set(st, "reads", (dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) ?
 595                                 (cur_dstat.duration_read_ms - prev_dstat.duration_read_ms) / (dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) : 0);
 596                             rrddim_set(st, "writes", (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write) ?
 597                                 (cur_dstat.duration_write_ms - prev_dstat.duration_write_ms) / (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write) : 0);
 598                             rrdset_done(st);
 599
 600                             // --------------------------------------------------------------------
 601
 602                             st = rrdset_find_bytype("disk_avgsz", dstat[i].device_name);
 603                             if (unlikely(!st)) {
 604                                 st = rrdset_create("disk_avgsz", dstat[i].device_name, NULL, dstat[i].device_name, "disk.avgsz", "Average Completed I/O Operation Bandwidth", "kilobytes per operation", 2006, update_every, RRDSET_TYPE_AREA);
 605                                 st->isdetail = 1;
 606
 607                                 rrddim_add(st, "reads", NULL, 1, 1024, RRDDIM_ABSOLUTE);
 608                                 rrddim_add(st, "writes", NULL, -1, 1024, RRDDIM_ABSOLUTE);
 609                             }
 610                             else rrdset_next(st);
 611
 612                             rrddim_set(st, "reads", (dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) ?
 613                                 (dstat[i].bytes[DEVSTAT_READ] - prev_dstat.bytes_read) / (dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) : 0);
 614                             rrddim_set(st, "writes", (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write) ?
 615                                 (dstat[i].bytes[DEVSTAT_WRITE] - prev_dstat.bytes_write) / (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write) : 0);
 616                             rrdset_done(st);
 617
 618                             // --------------------------------------------------------------------
 619
 620                             st = rrdset_find_bytype("disk_svctm", dstat[i].device_name);
 621                             if (unlikely(!st)) {
 622                                 st = rrdset_create("disk_svctm", dstat[i].device_name, NULL, dstat[i].device_name, "disk.svctm", "Average Service Time", "ms per operation", 2007, update_every, RRDSET_TYPE_LINE);
 623                                 st->isdetail = 1;
 624
 625                                 rrddim_add(st, "svctm", NULL, 1, 1, RRDDIM_ABSOLUTE);
 626                             }
 627                             else rrdset_next(st);
 628
 629                             rrddim_set(st, "svctm", ((dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) + (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write)) ?
 630                                 (cur_dstat.busy_time_ms - prev_dstat.busy_time_ms) / ((dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) + (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write)) : 0);
 631                             rrdset_done(st);
 632                         }
 633                     }
 634
 635                     // --------------------------------------------------------------------
 636
 637                     st = rrdset_find_bytype("system", "io");
 638                     if (unlikely(!st)) {
 639                         st = rrdset_create("system", "io", NULL, "disk", NULL, "Disk I/O", "kilobytes/s", 150, update_every, RRDSET_TYPE_AREA);
 640                         rrddim_add(st, "in",  NULL,  1, 1024, RRDDIM_INCREMENTAL);
 641                         rrddim_add(st, "out", NULL, -1, 1024, RRDDIM_INCREMENTAL);
 642                     }
 643                     else rrdset_next(st);
 644
 645                     rrddim_set(st, "in", total_disk_reads);
 646                     rrddim_set(st, "out", total_disk_writes);
 647                     rrdset_done(st);
 648                 }
 649             }
 650         }
 651     }
 652
 653     // --------------------------------------------------------------------
 654
 655
 656     if (likely(do_swap)) {
 657         mibsize = sizeof mib / sizeof mib[0];
 658         if (unlikely(sysctlnametomib("vm.swap_info", mib, &mibsize) == -1)) {
 659             error("FREEBSD: sysctl(%s...) failed: %s", "vm.swap_info", strerror(errno));
 660             do_swap = 0;
 661             error("DISABLED: disk.io");
 662         } else {
 663             for (i = 0; ; i++) {
 664                 mib[mibsize] = i;
 665                 size = sizeof(xsw);
 666                 if (unlikely(sysctl(mib, mibsize + 1, &xsw, &size, NULL, 0) == -1 )) {
 667                     if (unlikely(errno != ENOENT)) {
 668                         error("FREEBSD: sysctl(%s...) failed: %s", "vm.swap_info", strerror(errno));
 669                         do_swap = 0;
 670                         error("DISABLED: disk.io");
 671                     } else {
 672                         if (unlikely(size != sizeof(xsw))) {
 673                             error("FREEBSD: sysctl(%s...) expected %lu, got %lu", "vm.swap_info", (unsigned long)sizeof(xsw), (unsigned long)size);
 674                             do_swap = 0;
 675                             error("DISABLED: disk.io");
 676                         } else break;
 677                     }
 678                 }
 679                 total_xsw.bytes_used += xsw.xsw_used * system_pagesize;
 680                 total_xsw.bytes_total += xsw.xsw_nblks * system_pagesize;
 681             }
 682
 683             if (likely(do_swap)) {
 684                 st = rrdset_find("system.swap");
 685                 if (unlikely(!st)) {
 686                     st = rrdset_create("system", "swap", NULL, "swap", NULL, "System Swap", "MB", 201, update_every, RRDSET_TYPE_STACKED);
 687                     st->isdetail = 1;
 688
 689                     rrddim_add(st, "free",    NULL, 1, 1048576, RRDDIM_ABSOLUTE);
 690                     rrddim_add(st, "used",    NULL, 1, 1048576, RRDDIM_ABSOLUTE);
 691                 }
 692                 else rrdset_next(st);
 693
 694                 rrddim_set(st, "used", total_xsw.bytes_used);
 695                 rrddim_set(st, "free", total_xsw.bytes_total - total_xsw.bytes_used);
 696                 rrdset_done(st);
 697             }
 698         }
 699     }
 700
 701     // --------------------------------------------------------------------
 702
 703     if (likely(do_ram)) {
 704         if (unlikely(GETSYSCTL("vm.stats.vm.v_active_count",    vmmeter_data.v_active_count) ||
 705                      GETSYSCTL("vm.stats.vm.v_inactive_count",  vmmeter_data.v_inactive_count) ||
 706                      GETSYSCTL("vm.stats.vm.v_wire_count",      vmmeter_data.v_wire_count) ||
 707                      GETSYSCTL("vm.stats.vm.v_cache_count",     vmmeter_data.v_cache_count) ||
 708                      GETSYSCTL("vfs.bufspace",                  vfs_bufspace_count) ||
 709                      GETSYSCTL("vm.stats.vm.v_free_count",      vmmeter_data.v_free_count))) {
 710             do_swapio = 0;
 711             error("DISABLED: system.swapio");
 712         } else {
 713             st = rrdset_find("system.ram");
 714             if (unlikely(!st)) {
 715                 st = rrdset_create("system", "ram", NULL, "ram", NULL, "System RAM", "MB", 200, update_every, RRDSET_TYPE_STACKED);
 716
 717                 rrddim_add(st, "active",    NULL, system_pagesize, 1024, RRDDIM_ABSOLUTE);
 718                 rrddim_add(st, "inactive",  NULL, system_pagesize, 1024, RRDDIM_ABSOLUTE);
 719                 rrddim_add(st, "wired",     NULL, system_pagesize, 1024, RRDDIM_ABSOLUTE);
 720                 rrddim_add(st, "cache",     NULL, system_pagesize, 1024, RRDDIM_ABSOLUTE);
 721                 rrddim_add(st, "buffers",   NULL, 1, 1024, RRDDIM_ABSOLUTE);
 722                 rrddim_add(st, "free",      NULL, system_pagesize, 1024, RRDDIM_ABSOLUTE);
 723             }
 724             else rrdset_next(st);
 725
 726             rrddim_set(st, "active",    vmmeter_data.v_active_count);
 727             rrddim_set(st, "inactive",  vmmeter_data.v_inactive_count);
 728             rrddim_set(st, "wired",     vmmeter_data.v_wire_count);
 729             rrddim_set(st, "cache",     vmmeter_data.v_cache_count);
 730             rrddim_set(st, "buffers",   vfs_bufspace_count);
 731             rrddim_set(st, "free",      vmmeter_data.v_free_count);
 732             rrdset_done(st);
 733         }
 734     }
 735
 736     // --------------------------------------------------------------------
 737
 738     if (likely(do_swapio)) {
 739         if (unlikely(GETSYSCTL("vm.stats.vm.v_swappgsin", vmmeter_data.v_swappgsin) || GETSYSCTL("vm.stats.vm.v_swappgsout", vmmeter_data.v_swappgsout))) {
 740             do_swapio = 0;
 741             error("DISABLED: system.swapio");
 742         } else {
 743             st = rrdset_find("system.swapio");
 744             if (unlikely(!st)) {
 745                 st = rrdset_create("system", "swapio", NULL, "swap", NULL, "Swap I/O", "kilobytes/s", 250, update_every, RRDSET_TYPE_AREA);
 746
 747                 rrddim_add(st, "in",  NULL, system_pagesize, 1024, RRDDIM_INCREMENTAL);
 748                 rrddim_add(st, "out", NULL, -system_pagesize, 1024, RRDDIM_INCREMENTAL);
 749             }
 750             else rrdset_next(st);
 751
 752             rrddim_set(st, "in", vmmeter_data.v_swappgsin);
 753             rrddim_set(st, "out", vmmeter_data.v_swappgsout);
 754             rrdset_done(st);
 755         }
 756     }
 757
 758     // --------------------------------------------------------------------
 759
 760     if (likely(do_pgfaults)) {
 761         if (unlikely(GETSYSCTL("vm.stats.vm.v_vm_faults",   vmmeter_data.v_vm_faults) ||
 762                      GETSYSCTL("vm.stats.vm.v_io_faults",   vmmeter_data.v_io_faults) ||
 763                      GETSYSCTL("vm.stats.vm.v_cow_faults",  vmmeter_data.v_cow_faults) ||
 764                      GETSYSCTL("vm.stats.vm.v_cow_optim",   vmmeter_data.v_cow_optim) ||
 765                      GETSYSCTL("vm.stats.vm.v_intrans",     vmmeter_data.v_intrans))) {
 766             do_pgfaults = 0;
 767             error("DISABLED: mem.pgfaults");
 768         } else {
 769             st = rrdset_find("mem.pgfaults");
 770             if (unlikely(!st)) {
 771                 st = rrdset_create("mem", "pgfaults", NULL, "system", NULL, "Memory Page Faults", "page faults/s", 500, update_every, RRDSET_TYPE_LINE);
 772                 st->isdetail = 1;
 773
 774                 rrddim_add(st, "memory", NULL, 1, 1, RRDDIM_INCREMENTAL);
 775                 rrddim_add(st, "io_requiring", NULL, 1, 1, RRDDIM_INCREMENTAL);
 776                 rrddim_add(st, "cow", NULL, 1, 1, RRDDIM_INCREMENTAL);
 777                 rrddim_add(st, "cow_optimized", NULL, 1, 1, RRDDIM_INCREMENTAL);
 778                 rrddim_add(st, "in_transit", NULL, 1, 1, RRDDIM_INCREMENTAL);
 779             }
 780             else rrdset_next(st);
 781
 782             rrddim_set(st, "memory", vmmeter_data.v_vm_faults);
 783             rrddim_set(st, "io_requiring", vmmeter_data.v_io_faults);
 784             rrddim_set(st, "cow", vmmeter_data.v_cow_faults);
 785             rrddim_set(st, "cow_optimized", vmmeter_data.v_cow_optim);
 786             rrddim_set(st, "in_transit", vmmeter_data.v_intrans);
 787             rrdset_done(st);
 788         }
 789     }
 790
 791     // --------------------------------------------------------------------
 792
 793     if (likely(do_ipc_semaphores)) {
 794         if (unlikely(GETSYSCTL("kern.ipc.semmni", ipc_sem.semmni))) {
 795             do_ipc_semaphores = 0;
 796             error("DISABLED: system.ipc_semaphores");
 797             error("DISABLED: system.ipc_semaphore_arrays");
 798         } else {
 799             ipc_sem_data = reallocz(ipc_sem_data, sizeof(struct semid_kernel) * ipc_sem.semmni);
 800             if (unlikely(getsysctl("kern.ipc.sema", ipc_sem_data, sizeof(struct semid_kernel) * ipc_sem.semmni))) {
 801                 do_ipc_semaphores = 0;
 802                 error("DISABLED: system.ipc_semaphores");
 803                 error("DISABLED: system.ipc_semaphore_arrays");
 804             } else {
 805                 for (i = 0; i < ipc_sem.semmni; i++) {
 806                     if (unlikely(ipc_sem_data[i].u.sem_perm.mode & SEM_ALLOC)) {
 807                         ipc_sem.sets += 1;
 808                         ipc_sem.semaphores += ipc_sem_data[i].u.sem_nsems;
 809                     }
 810                 }
 811
 812                 // --------------------------------------------------------------------
 813
 814                 st = rrdset_find("system.ipc_semaphores");
 815                 if (unlikely(!st)) {
 816                     st = rrdset_create("system", "ipc_semaphores", NULL, "ipc semaphores", NULL, "IPC Semaphores", "semaphores", 1000, rrd_update_every, RRDSET_TYPE_AREA);
 817                     rrddim_add(st, "semaphores", NULL, 1, 1, RRDDIM_ABSOLUTE);
 818                 }
 819                 else rrdset_next(st);
 820
 821                 rrddim_set(st, "semaphores", ipc_sem.semaphores);
 822                 rrdset_done(st);
 823
 824                 // --------------------------------------------------------------------
 825
 826                 st = rrdset_find("system.ipc_semaphore_arrays");
 827                 if (unlikely(!st)) {
 828                     st = rrdset_create("system", "ipc_semaphore_arrays", NULL, "ipc semaphores", NULL, "IPC Semaphore Arrays", "arrays", 1000, rrd_update_every, RRDSET_TYPE_AREA);
 829                     rrddim_add(st, "arrays", NULL, 1, 1, RRDDIM_ABSOLUTE);
 830                 }
 831                 else rrdset_next(st);
 832
 833                 rrddim_set(st, "arrays", ipc_sem.sets);
 834                 rrdset_done(st);
 835             }
 836         }
 837     }
 838
 839     // --------------------------------------------------------------------
 840
 841     if (likely(do_ipc_shared_mem)) {
 842         if (unlikely(GETSYSCTL("kern.ipc.shmmni", ipc_shm.shmmni))) {
 843             do_ipc_shared_mem = 0;
 844             error("DISABLED: system.ipc_shared_mem_segs");
 845             error("DISABLED: system.ipc_shared_mem_size");
 846         } else {
 847             ipc_shm_data = reallocz(ipc_shm_data, sizeof(struct shmid_kernel) * ipc_shm.shmmni);
 848             if (unlikely(getsysctl("kern.ipc.shmsegs", ipc_shm_data, sizeof(struct shmid_kernel) * ipc_shm.shmmni))) {
 849                 do_ipc_shared_mem = 0;
 850                 error("DISABLED: system.ipc_shared_mem_segs");
 851                 error("DISABLED: system.ipc_shared_mem_size");
 852             } else {
 853                 for (i = 0; i < ipc_shm.shmmni; i++) {
 854                     if (unlikely(ipc_shm_data[i].u.shm_perm.mode & 0x0800)) {
 855                         ipc_shm.segs += 1;
 856                         ipc_shm.segsize += ipc_shm_data[i].u.shm_segsz;
 857                     }
 858                 }
 859
 860                 // --------------------------------------------------------------------
 861
 862                 st = rrdset_find("system.ipc_shared_mem_segs");
 863                 if (unlikely(!st)) {
 864                     st = rrdset_create("system", "ipc_shared_mem_segs", NULL, "ipc shared memory", NULL, "IPC Shared Memory Segments", "segments", 1000, rrd_update_every, RRDSET_TYPE_AREA);
 865                     rrddim_add(st, "segments", NULL, 1, 1, RRDDIM_ABSOLUTE);
 866                 }
 867                 else rrdset_next(st);
 868
 869                 rrddim_set(st, "segments", ipc_shm.segs);
 870                 rrdset_done(st);
 871
 872                 // --------------------------------------------------------------------
 873
 874                 st = rrdset_find("system.ipc_shared_mem_size");
 875                 if (unlikely(!st)) {
 876                     st = rrdset_create("system", "ipc_shared_mem_size", NULL, "ipc shared memory", NULL, "IPC Shared Memory Segments Size", "kilobytes", 1000, rrd_update_every, RRDSET_TYPE_AREA);
 877                     rrddim_add(st, "allocated", NULL, 1, 1024, RRDDIM_ABSOLUTE);
 878                 }
 879                 else rrdset_next(st);
 880
 881                 rrddim_set(st, "allocated", ipc_shm.segsize);
 882                 rrdset_done(st);
 883             }
 884         }
 885     }
 886
 887     // --------------------------------------------------------------------
 888
 889     if (likely(do_ipc_msg_queues)) {
 890         if (unlikely(GETSYSCTL("kern.ipc.msgmni", ipc_msq.msgmni))) {
 891             do_ipc_msg_queues = 0;
 892             error("DISABLED: system.ipc_msq_queues");
 893             error("DISABLED: system.ipc_msq_messages");
 894             error("DISABLED: system.ipc_msq_size");
 895         } else {
 896             ipc_msq_data = reallocz(ipc_msq_data, sizeof(struct msqid_kernel) * ipc_msq.msgmni);
 897             if (unlikely(getsysctl("kern.ipc.msqids", ipc_msq_data, sizeof(struct msqid_kernel) * ipc_msq.msgmni))) {
 898                 do_ipc_msg_queues = 0;
 899                 error("DISABLED: system.ipc_msq_queues");
 900                 error("DISABLED: system.ipc_msq_messages");
 901                 error("DISABLED: system.ipc_msq_size");
 902             } else {
 903                 for (i = 0; i < ipc_msq.msgmni; i++) {
 904                     if (unlikely(ipc_msq_data[i].u.msg_qbytes != 0)) {
 905                         ipc_msq.queues += 1;
 906                         ipc_msq.messages += ipc_msq_data[i].u.msg_qnum;
 907                         ipc_msq.usedsize += ipc_msq_data[i].u.msg_cbytes;
 908                         ipc_msq.allocsize += ipc_msq_data[i].u.msg_qbytes;
 909                     }
 910                 }
 911
 912                 // --------------------------------------------------------------------
 913
 914                 st = rrdset_find("system.ipc_msq_queues");
 915                 if (unlikely(!st)) {
 916                     st = rrdset_create("system", "ipc_msq_queues", NULL, "ipc message queues", NULL, "Number of IPC Message Queues", "queues", 990, rrd_update_every, RRDSET_TYPE_AREA);
 917                     rrddim_add(st, "queues", NULL, 1, 1, RRDDIM_ABSOLUTE);
 918                 }
 919                 else rrdset_next(st);
 920
 921                 rrddim_set(st, "queues", ipc_msq.queues);
 922                 rrdset_done(st);
 923
 924                 // --------------------------------------------------------------------
 925
 926                 st = rrdset_find("system.ipc_msq_messages");
 927                 if (unlikely(!st)) {
 928                     st = rrdset_create("system", "ipc_msq_messages", NULL, "ipc message queues", NULL, "Number of Messages in IPC Message Queues", "messages", 1000, rrd_update_every, RRDSET_TYPE_AREA);
 929                     rrddim_add(st, "messages", NULL, 1, 1, RRDDIM_ABSOLUTE);
 930                 }
 931                 else rrdset_next(st);
 932
 933                 rrddim_set(st, "messages", ipc_msq.messages);
 934                 rrdset_done(st);
 935
 936                 // --------------------------------------------------------------------
 937
 938                 st = rrdset_find("system.ipc_msq_size");
 939                 if (unlikely(!st)) {
 940                     st = rrdset_create("system", "ipc_msq_size", NULL, "ipc message queues", NULL, "Size of IPC Message Queues", "bytes", 1100, rrd_update_every, RRDSET_TYPE_LINE);
 941                     rrddim_add(st, "allocated", NULL, 1, 1, RRDDIM_ABSOLUTE);
 942                     rrddim_add(st, "used", NULL, 1, 1, RRDDIM_ABSOLUTE);
 943                 }
 944                 else rrdset_next(st);
 945
 946                 rrddim_set(st, "allocated", ipc_msq.allocsize);
 947                 rrddim_set(st, "used", ipc_msq.usedsize);
 948                 rrdset_done(st);
 949
 950             }
 951         }
 952     }
 953
 954     // --------------------------------------------------------------------
 955
 956     if (likely(do_netisr || do_netisr_per_core)) {
 957         if (unlikely(GETSYSCTL("kern.smp.cpus", ncpus))) {
 958             common_error = 1;
 959         } else if (unlikely(ncpus > 9999)) {
 960             error("FREEBSD: There are more than 4 digits in cpu cores number");
 961             common_error = 1;
 962         } else if (unlikely(sysctlbyname("net.isr.workstream", NULL, &netisr_workstream_size, NULL, 0) == -1)) {
 963             error("FREEBSD: sysctl(net.isr.workstream...) failed: %s", strerror(errno));
 964             common_error = 1;
 965         } else if (unlikely(sysctlbyname("net.isr.work", NULL, &netisr_work_size, NULL, 0) == -1)) {
 966             error("FREEBSD: sysctl(net.isr.work...) failed: %s", strerror(errno));
 967             common_error = 1;
 968         } else {
 969             num_netisr_workstreams = netisr_workstream_size / sizeof(struct sysctl_netisr_workstream);
 970             netisr_workstream = reallocz(netisr_workstream, num_netisr_workstreams * sizeof(struct sysctl_netisr_workstream));
 971             if (unlikely(getsysctl("net.isr.workstream", netisr_workstream, num_netisr_workstreams * sizeof(struct sysctl_netisr_workstream)))){
 972                 common_error = 1;
 973             } else {
 974                 num_netisr_works = netisr_work_size / sizeof(struct sysctl_netisr_work);
 975                 netisr_work = reallocz(netisr_work, num_netisr_works * sizeof(struct sysctl_netisr_work));
 976                 if (unlikely(getsysctl("net.isr.work", netisr_work, num_netisr_works * sizeof(struct sysctl_netisr_work)))){
 977                     common_error = 1;
 978                 }
 979             }
 980         }
 981         if (unlikely(common_error)) {
 982             do_netisr = 0;
 983             error("DISABLED: system.softnet_stat");
 984             do_netisr_per_core = 0;
 985             error("DISABLED: system.cpuX_softnet_stat");
 986             common_error = 0;
 987         } else {
 988             netisr_stats = reallocz(netisr_stats, (ncpus + 1) * sizeof(struct netisr_stats));
 989             bzero(netisr_stats, (ncpus + 1) * sizeof(struct netisr_stats));
 990             for (i = 0; i < num_netisr_workstreams; i++) {
 991                 for (n = 0; n < num_netisr_works; n++) {
 992                     if (netisr_workstream[i].snws_wsid == netisr_work[n].snw_wsid) {
 993                         netisr_stats[netisr_workstream[i].snws_cpu].dispatched += netisr_work[n].snw_dispatched;
 994                         netisr_stats[netisr_workstream[i].snws_cpu].hybrid_dispatched += netisr_work[n].snw_hybrid_dispatched;
 995                         netisr_stats[netisr_workstream[i].snws_cpu].qdrops += netisr_work[n].snw_qdrops;
 996                         netisr_stats[netisr_workstream[i].snws_cpu].queued += netisr_work[n].snw_queued;
 997                     }
 998                 }
 999             }
1000             for (i = 0; i < ncpus; i++) {
1001                 netisr_stats[ncpus].dispatched += netisr_stats[i].dispatched;
1002                 netisr_stats[ncpus].hybrid_dispatched += netisr_stats[i].hybrid_dispatched;
1003                 netisr_stats[ncpus].qdrops += netisr_stats[i].qdrops;
1004                 netisr_stats[ncpus].queued += netisr_stats[i].queued;
1005             }
1006         }
1007     }
1008
1009     // --------------------------------------------------------------------
1010
1011     if (likely(do_netisr)) {
1012         st = rrdset_find_bytype("system", "softnet_stat");
1013         if (unlikely(!st)) {
1014             st = rrdset_create("system", "softnet_stat", NULL, "softnet_stat", NULL, "System softnet_stat", "events/s", 955, update_every, RRDSET_TYPE_LINE);
1015             rrddim_add(st, "dispatched", NULL, 1, 1, RRDDIM_INCREMENTAL);
1016             rrddim_add(st, "hybrid_dispatched", NULL, 1, 1, RRDDIM_INCREMENTAL);
1017             rrddim_add(st, "qdrops", NULL, 1, 1, RRDDIM_INCREMENTAL);
1018             rrddim_add(st, "queued", NULL, 1, 1, RRDDIM_INCREMENTAL);
1019         }
1020         else rrdset_next(st);
1021
1022         rrddim_set(st, "dispatched", netisr_stats[ncpus].dispatched);
1023         rrddim_set(st, "hybrid_dispatched", netisr_stats[ncpus].hybrid_dispatched);
1024         rrddim_set(st, "qdrops", netisr_stats[ncpus].qdrops);
1025         rrddim_set(st, "queued", netisr_stats[ncpus].queued);
1026         rrdset_done(st);
1027     }
1028
1029     // --------------------------------------------------------------------
1030
1031     if (likely(do_netisr_per_core)) {
1032         for (i = 0; i < ncpus ;i++) {
1033             snprintfz(netstat_cpuid, 21, "cpu%d_softnet_stat", i);
1034
1035             st = rrdset_find_bytype("cpu", netstat_cpuid);
1036             if (unlikely(!st)) {
1037                 st = rrdset_create("cpu", netstat_cpuid, NULL, "softnet_stat", NULL, "Per CPU netisr statistics", "events/s", 1101 + i, update_every, RRDSET_TYPE_LINE);
1038                 rrddim_add(st, "dispatched", NULL, 1, 1, RRDDIM_INCREMENTAL);
1039                 rrddim_add(st, "hybrid_dispatched", NULL, 1, 1, RRDDIM_INCREMENTAL);
1040                 rrddim_add(st, "qdrops", NULL, 1, 1, RRDDIM_INCREMENTAL);
1041                 rrddim_add(st, "queued", NULL, 1, 1, RRDDIM_INCREMENTAL);
1042             }
1043             else rrdset_next(st);
1044
1045             rrddim_set(st, "dispatched", netisr_stats[i].dispatched);
1046             rrddim_set(st, "hybrid_dispatched", netisr_stats[i].hybrid_dispatched);
1047             rrddim_set(st, "qdrops", netisr_stats[i].qdrops);
1048             rrddim_set(st, "queued", netisr_stats[i].queued);
1049             rrdset_done(st);
1050         }
1051     }
1052
1053     // --------------------------------------------------------------------
1054
1055     if (likely(do_bandwidth)) {
1056         if (unlikely(getifaddrs(&ifap))) {
1057             error("FREEBSD: getifaddrs()");
1058             do_bandwidth = 0;
1059             error("DISABLED: system.ipv4");
1060         } else {
1061             iftot.ift_ibytes = iftot.ift_obytes = 0;
1062             for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
1063                 if (ifa->ifa_addr->sa_family != AF_INET)
1064                         continue;
1065                 iftot.ift_ibytes += IFA_DATA(ibytes);
1066                 iftot.ift_obytes += IFA_DATA(obytes);
1067             }
1068
1069             st = rrdset_find("system.ipv4");
1070             if (unlikely(!st)) {
1071                 st = rrdset_create("system", "ipv4", NULL, "network", NULL, "IPv4 Bandwidth", "kilobits/s", 500, update_every, RRDSET_TYPE_AREA);
1072
1073                 rrddim_add(st, "InOctets", "received", 8, 1024, RRDDIM_INCREMENTAL);
1074                 rrddim_add(st, "OutOctets", "sent", -8, 1024, RRDDIM_INCREMENTAL);
1075             }
1076             else rrdset_next(st);
1077
1078             rrddim_set(st, "InOctets", iftot.ift_ibytes);
1079             rrddim_set(st, "OutOctets", iftot.ift_obytes);
1080             rrdset_done(st);
1081
1082             // --------------------------------------------------------------------
1083
1084             iftot.ift_ibytes = iftot.ift_obytes = 0;
1085             for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
1086                 if (ifa->ifa_addr->sa_family != AF_INET6)
1087                         continue;
1088                 iftot.ift_ibytes += IFA_DATA(ibytes);
1089                 iftot.ift_obytes += IFA_DATA(obytes);
1090             }
1091
1092             st = rrdset_find("system.ipv6");
1093             if (unlikely(!st)) {
1094                 st = rrdset_create("system", "ipv6", NULL, "network", NULL, "IPv6 Bandwidth", "kilobits/s", 500, update_every, RRDSET_TYPE_AREA);
1095
1096                 rrddim_add(st, "received", NULL, 8, 1024, RRDDIM_INCREMENTAL);
1097                 rrddim_add(st, "sent", NULL, -8, 1024, RRDDIM_INCREMENTAL);
1098             }
1099             else rrdset_next(st);
1100
1101             rrddim_set(st, "sent", iftot.ift_obytes);
1102             rrddim_set(st, "received", iftot.ift_ibytes);
1103             rrdset_done(st);
1104
1105             for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
1106                 if (ifa->ifa_addr->sa_family != AF_LINK)
1107                         continue;
1108
1109                 // --------------------------------------------------------------------
1110
1111                 st = rrdset_find_bytype("net", ifa->ifa_name);
1112                 if (unlikely(!st)) {
1113                     st = rrdset_create("net", ifa->ifa_name, NULL, ifa->ifa_name, "net.net", "Bandwidth", "kilobits/s", 7000, update_every, RRDSET_TYPE_AREA);
1114
1115                     rrddim_add(st, "received", NULL, 8, 1024, RRDDIM_INCREMENTAL);
1116                     rrddim_add(st, "sent", NULL, -8, 1024, RRDDIM_INCREMENTAL);
1117                 }
1118                 else rrdset_next(st);
1119
1120                 rrddim_set(st, "received", IFA_DATA(ibytes));
1121                 rrddim_set(st, "sent", IFA_DATA(obytes));
1122                 rrdset_done(st);
1123
1124                 // --------------------------------------------------------------------
1125
1126                 st = rrdset_find_bytype("net_packets", ifa->ifa_name);
1127                 if (unlikely(!st)) {
1128                     st = rrdset_create("net_packets", ifa->ifa_name, NULL, ifa->ifa_name, "net.packets", "Packets", "packets/s", 7001, update_every, RRDSET_TYPE_LINE);
1129                     st->isdetail = 1;
1130
1131                     rrddim_add(st, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
1132                     rrddim_add(st, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
1133                     rrddim_add(st, "multicast_received", NULL, 1, 1, RRDDIM_INCREMENTAL);
1134                     rrddim_add(st, "multicast_sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
1135                 }
1136                 else rrdset_next(st);
1137
1138                 rrddim_set(st, "received", IFA_DATA(ipackets));
1139                 rrddim_set(st, "sent", IFA_DATA(opackets));
1140                 rrddim_set(st, "multicast_received", IFA_DATA(imcasts));
1141                 rrddim_set(st, "multicast_sent", IFA_DATA(omcasts));
1142                 rrdset_done(st);
1143
1144                 // --------------------------------------------------------------------
1145
1146                 st = rrdset_find_bytype("net_errors", ifa->ifa_name);
1147                 if (unlikely(!st)) {
1148                     st = rrdset_create("net_errors", ifa->ifa_name, NULL, ifa->ifa_name, "net.errors", "Interface Errors", "errors/s", 7002, update_every, RRDSET_TYPE_LINE);
1149                     st->isdetail = 1;
1150
1151                     rrddim_add(st, "inbound", NULL, 1, 1, RRDDIM_INCREMENTAL);
1152                     rrddim_add(st, "outbound", NULL, -1, 1, RRDDIM_INCREMENTAL);
1153                 }
1154                 else rrdset_next(st);
1155
1156                 rrddim_set(st, "inbound", IFA_DATA(ierrors));
1157                 rrddim_set(st, "outbound", IFA_DATA(oerrors));
1158                 rrdset_done(st);
1159
1160                 // --------------------------------------------------------------------
1161
1162                 st = rrdset_find_bytype("net_drops", ifa->ifa_name);
1163                 if (unlikely(!st)) {
1164                     st = rrdset_create("net_drops", ifa->ifa_name, NULL, ifa->ifa_name, "net.drops", "Interface Drops", "drops/s", 7003, update_every, RRDSET_TYPE_LINE);
1165                     st->isdetail = 1;
1166
1167                     rrddim_add(st, "inbound", NULL, 1, 1, RRDDIM_INCREMENTAL);
1168                     rrddim_add(st, "outbound", NULL, -1, 1, RRDDIM_INCREMENTAL);
1169                 }
1170                 else rrdset_next(st);
1171
1172                 rrddim_set(st, "inbound", IFA_DATA(iqdrops));
1173                 rrddim_set(st, "outbound", IFA_DATA(oqdrops));
1174                 rrdset_done(st);
1175
1176                 // --------------------------------------------------------------------
1177
1178                 st = rrdset_find_bytype("net_events", ifa->ifa_name);
1179                 if (unlikely(!st)) {
1180                     st = rrdset_create("net_events", ifa->ifa_name, NULL, ifa->ifa_name, "net.events", "Network Interface Events", "events/s", 7006, update_every, RRDSET_TYPE_LINE);
1181                     st->isdetail = 1;
1182
1183                     rrddim_add(st, "frames", NULL, 1, 1, RRDDIM_INCREMENTAL);
1184                     rrddim_add(st, "collisions", NULL, -1, 1, RRDDIM_INCREMENTAL);
1185                     rrddim_add(st, "carrier", NULL, -1, 1, RRDDIM_INCREMENTAL);
1186                 }
1187                 else rrdset_next(st);
1188
1189                 rrddim_set(st, "collisions", IFA_DATA(collisions));
1190                 rrdset_done(st);
1191             }
1192
1193             freeifaddrs(ifap);
1194         }
1195     }
1196 #endif /* __APPLE__ */
1197
1198     return 0;
1199 }