src/freebsd_sysctl.c

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