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: struct ifaddrs, getifaddrs()
  18 #define _IFI_OQDROPS // It is for FreeNAS only. Most probably in future releases of FreeNAS it will be removed
  19 #include <net/if.h>
  20 #include <ifaddrs.h>
  21 // NEEDED BY do_tcp...
  22 #include <netinet/tcp_var.h>
  23 // NEEDED BY do_udp...
  24 #include <netinet/ip_var.h>
  25 #include <netinet/udp.h>
  26 #include <netinet/udp_var.h>
  27 // NEEDED BY do_icmp...
  28 #include <netinet/ip.h>
  29 #include <netinet/ip_icmp.h>
  30 #include <netinet/icmp_var.h>
  31
  32 // NEEDED BY: do_disk_io
  33 #define RRD_TYPE_DISK "disk"
  34
  35 // FreeBSD calculates load averages once every 5 seconds
  36 #define MIN_LOADAVG_UPDATE_EVERY 5
  37
  38 // NEEDED BY: do_bandwidth
  39 #define IFA_DATA(s) (((struct if_data *)ifa->ifa_data)->ifi_ ## s)
  40
  41 int do_freebsd_sysctl(int update_every, usec_t dt) {
  42     (void)dt;
  43
  44     static int do_cpu = -1, do_cpu_cores = -1, do_interrupts = -1, do_context = -1, do_forks = -1, do_processes = -1,
  45         do_loadavg = -1, do_all_processes = -1, do_disk_io = -1, do_swap = -1, do_ram = -1, do_swapio = -1,
  46         do_pgfaults = -1, do_committed = -1, do_ipc_semaphores = -1, do_ipc_shared_mem = -1, do_ipc_msg_queues = -1,
  47         do_dev_intr = -1, do_soft_intr = -1, do_netisr = -1, do_netisr_per_core = -1, do_bandwidth = -1,
  48         do_tcp_sockets = -1, do_tcp_packets = -1, do_tcp_errors = -1, do_tcp_handshake = -1,
  49         do_ecn = -1, do_tcpext_syscookies = -1, do_tcpext_ofo = -1, do_tcpext_connaborts = -1,
  50         do_udp_packets = -1, do_udp_errors = -1, do_icmp_packets = -1, do_icmpmsg = -1;
  51
  52     if (unlikely(do_cpu == -1)) {
  53         do_cpu                  = config_get_boolean("plugin:freebsd:sysctl", "cpu utilization", 1);
  54         do_cpu_cores            = config_get_boolean("plugin:freebsd:sysctl", "per cpu core utilization", 1);
  55         do_interrupts           = config_get_boolean("plugin:freebsd:sysctl", "cpu interrupts", 1);
  56         do_dev_intr             = config_get_boolean("plugin:freebsd:sysctl", "device interrupts", 1);
  57         do_soft_intr            = config_get_boolean("plugin:freebsd:sysctl", "software interrupts", 1);
  58         do_context              = config_get_boolean("plugin:freebsd:sysctl", "context switches", 1);
  59         do_forks                = config_get_boolean("plugin:freebsd:sysctl", "processes started", 1);
  60         do_processes            = config_get_boolean("plugin:freebsd:sysctl", "processes running", 1);
  61         do_loadavg              = config_get_boolean("plugin:freebsd:sysctl", "enable load average", 1);
  62         do_all_processes        = config_get_boolean("plugin:freebsd:sysctl", "enable total processes", 1);
  63         do_disk_io              = config_get_boolean("plugin:freebsd:sysctl", "stats for all disks", 1);
  64         do_swap                 = config_get_boolean("plugin:freebsd:sysctl", "system swap", 1);
  65         do_ram                  = config_get_boolean("plugin:freebsd:sysctl", "system ram", 1);
  66         do_swapio               = config_get_boolean("plugin:freebsd:sysctl", "swap i/o", 1);
  67         do_pgfaults             = config_get_boolean("plugin:freebsd:sysctl", "memory page faults", 1);
  68         do_committed            = config_get_boolean("plugin:freebsd:sysctl", "committed memory", 1);
  69         do_ipc_semaphores       = config_get_boolean("plugin:freebsd:sysctl", "ipc semaphores", 1);
  70         do_ipc_shared_mem       = config_get_boolean("plugin:freebsd:sysctl", "ipc shared memory", 1);
  71         do_ipc_msg_queues       = config_get_boolean("plugin:freebsd:sysctl", "ipc message queues", 1);
  72         do_netisr               = config_get_boolean("plugin:freebsd:sysctl", "netisr", 1);
  73         do_netisr_per_core      = config_get_boolean("plugin:freebsd:sysctl", "netisr per core", 1);
  74         do_bandwidth            = config_get_boolean("plugin:freebsd:sysctl", "bandwidth", 1);
  75         do_tcp_sockets          = config_get_boolean("plugin:freebsd:sysctl", "ipv4 TCP connections", 1);
  76         do_tcp_packets          = config_get_boolean("plugin:freebsd:sysctl", "ipv4 TCP packets", 1);
  77         do_tcp_errors           = config_get_boolean("plugin:freebsd:sysctl", "ipv4 TCP errors", 1);
  78         do_tcp_handshake        = config_get_boolean("plugin:freebsd:sysctl", "ipv4 TCP handshake issues", 1);
  79         do_ecn                  = config_get_boolean_ondemand("plugin:freebsd:sysctl", "ECN packets", CONFIG_ONDEMAND_ONDEMAND);
  80         do_tcpext_syscookies    = config_get_boolean_ondemand("plugin:freebsd:sysctl", "TCP SYN cookies", CONFIG_ONDEMAND_ONDEMAND);
  81         do_tcpext_ofo           = config_get_boolean_ondemand("plugin:freebsd:sysctl", "TCP out-of-order queue", CONFIG_ONDEMAND_ONDEMAND);
  82         do_tcpext_connaborts    = config_get_boolean_ondemand("plugin:freebsd:sysctl", "TCP connection aborts", CONFIG_ONDEMAND_ONDEMAND);
  83         do_udp_packets          = config_get_boolean("plugin:freebsd:sysctl", "ipv4 UDP packets", 1);
  84         do_udp_errors           = config_get_boolean("plugin:freebsd:sysctl", "ipv4 UDP errors", 1);
  85     }
  86
  87     RRDSET *st;
  88     RRDDIM *rd;
  89
  90     int system_pagesize = getpagesize(); // wouldn't it be better to get value directly from hw.pagesize?
  91     int i, n;
  92     void *p;
  93     int common_error = 0;
  94     size_t size;
  95
  96     // NEEDED BY: do_loadavg
  97     static usec_t last_loadavg_usec = 0;
  98     struct loadavg sysload;
  99
 100     // NEEDED BY: do_cpu, do_cpu_cores
 101     long cp_time[CPUSTATES];
 102
 103     // NEEDED BY: du_cpu_cores, do_netisr, do_netisr_per_core
 104     int ncpus;
 105
 106     // NEEDED BY: do_cpu_cores
 107     static long *pcpu_cp_time = NULL;
 108     char cpuid[8]; // no more than 4 digits expected
 109
 110     // NEEDED BY: do_all_processes, do_processes
 111     struct vmtotal vmtotal_data;
 112
 113     // NEEDED BY: do_context, do_forks
 114     u_int u_int_data;
 115
 116     // NEEDED BY: do_interrupts
 117     size_t intrcnt_size;
 118     unsigned long nintr = 0;
 119     static unsigned long *intrcnt = NULL;
 120     static char *intrnames = NULL;
 121     unsigned long long totalintr = 0;
 122
 123     // NEEDED BY: do_disk_io
 124     #define BINTIME_SCALE 5.42101086242752217003726400434970855712890625e-17 // this is 1000/2^64
 125     int numdevs;
 126     static void *devstat_data = NULL;
 127     struct devstat *dstat;
 128     struct cur_dstat {
 129         collected_number duration_read_ms;
 130         collected_number duration_write_ms;
 131         collected_number busy_time_ms;
 132     } cur_dstat;
 133     struct prev_dstat {
 134         collected_number bytes_read;
 135         collected_number bytes_write;
 136         collected_number operations_read;
 137         collected_number operations_write;
 138         collected_number duration_read_ms;
 139         collected_number duration_write_ms;
 140         collected_number busy_time_ms;
 141     } prev_dstat;
 142
 143     // NEEDED BY: do_swap
 144     size_t mibsize;
 145     int mib[3]; // CTL_MAXNAME = 24 maximum mib components (sysctl.h)
 146     struct xswdev xsw;
 147     struct total_xsw {
 148         collected_number bytes_used;
 149         collected_number bytes_total;
 150     } total_xsw = {0, 0};
 151
 152     // NEEDED BY: do_swapio, do_ram
 153     struct vmmeter vmmeter_data;
 154
 155     // NEEDED BY: do_ram
 156     int vfs_bufspace_count;
 157
 158     // NEEDED BY: do_ipc_semaphores
 159     struct ipc_sem {
 160         int semmni;
 161         collected_number sets;
 162         collected_number semaphores;
 163     } ipc_sem = {0, 0, 0};
 164     static struct semid_kernel *ipc_sem_data = NULL;
 165
 166     // NEEDED BY: do_ipc_shared_mem
 167     struct ipc_shm {
 168         u_long shmmni;
 169         collected_number segs;
 170         collected_number segsize;
 171     } ipc_shm = {0, 0, 0};
 172     static struct shmid_kernel *ipc_shm_data = NULL;
 173
 174     // NEEDED BY: do_ipc_msg_queues
 175     struct ipc_msq {
 176         int msgmni;
 177         collected_number queues;
 178         collected_number messages;
 179         collected_number usedsize;
 180         collected_number allocsize;
 181     } ipc_msq = {0, 0, 0, 0, 0};
 182     static struct msqid_kernel *ipc_msq_data = NULL;
 183
 184     // NEEDED BY: do_netisr, do_netisr_per_core
 185     size_t netisr_workstream_size;
 186     size_t netisr_work_size;
 187     unsigned long num_netisr_workstreams = 0, num_netisr_works = 0;
 188     static struct sysctl_netisr_workstream *netisr_workstream = NULL;
 189     static struct sysctl_netisr_work *netisr_work = NULL;
 190     static struct netisr_stats {
 191         collected_number dispatched;
 192         collected_number hybrid_dispatched;
 193         collected_number qdrops;
 194         collected_number queued;
 195     } *netisr_stats = NULL;
 196     char netstat_cpuid[21]; // no more than 4 digits expected
 197
 198     // NEEDED BY: do_bandwidth
 199     struct ifaddrs *ifa, *ifap;
 200     struct iftot {
 201         u_long  ift_ibytes;
 202         u_long  ift_obytes;
 203     } iftot = {0, 0};
 204
 205     // NEEDED BY: do_tcp...
 206     struct tcpstat tcpstat;
 207     uint64_t tcps_states[TCP_NSTATES];
 208
 209     // NEEDED BY: do_udp...
 210     struct udpstat udpstat;
 211
 212     // NEEDED BY: do_icmp...
 213     struct icmpstat icmpstat;
 214     struct icmp_total {
 215         u_long  msgs_in;
 216         u_long  msgs_out;
 217     } icmp_total = {0, 0};
 218
 219     // --------------------------------------------------------------------
 220
 221     if (last_loadavg_usec <= dt) {
 222         if (likely(do_loadavg)) {
 223             if (unlikely(GETSYSCTL("vm.loadavg", sysload))) {
 224                 do_loadavg = 0;
 225                 error("DISABLED: system.load");
 226             } else {
 227
 228                 st = rrdset_find_bytype("system", "load");
 229                 if (unlikely(!st)) {
 230                     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);
 231                     rrddim_add(st, "load1", NULL, 1, 1000, RRDDIM_ABSOLUTE);
 232                     rrddim_add(st, "load5", NULL, 1, 1000, RRDDIM_ABSOLUTE);
 233                     rrddim_add(st, "load15", NULL, 1, 1000, RRDDIM_ABSOLUTE);
 234                 }
 235                 else rrdset_next(st);
 236
 237                 rrddim_set(st, "load1", (collected_number) ((double)sysload.ldavg[0] / sysload.fscale * 1000));
 238                 rrddim_set(st, "load5", (collected_number) ((double)sysload.ldavg[1] / sysload.fscale * 1000));
 239                 rrddim_set(st, "load15", (collected_number) ((double)sysload.ldavg[2] / sysload.fscale * 1000));
 240                 rrdset_done(st);
 241             }
 242         }
 243
 244         last_loadavg_usec = st->update_every * USEC_PER_SEC;
 245     }
 246     else last_loadavg_usec -= dt;
 247
 248     // --------------------------------------------------------------------
 249
 250     if (likely(do_all_processes | do_processes | do_committed)) {
 251         if (unlikely(GETSYSCTL("vm.vmtotal", vmtotal_data))) {
 252             do_all_processes = 0;
 253             error("DISABLED: system.active_processes");
 254             do_processes = 0;
 255             error("DISABLED: system.processes");
 256             do_committed = 0;
 257             error("DISABLED: mem.committed");
 258         } else {
 259             if (likely(do_all_processes)) {
 260
 261                 st = rrdset_find_bytype("system", "active_processes");
 262                 if (unlikely(!st)) {
 263                     st = rrdset_create("system", "active_processes", NULL, "processes", NULL, "System Active Processes", "processes", 750, update_every, RRDSET_TYPE_LINE);
 264                     rrddim_add(st, "active", NULL, 1, 1, RRDDIM_ABSOLUTE);
 265                 }
 266                 else rrdset_next(st);
 267
 268                 rrddim_set(st, "active", (vmtotal_data.t_rq + vmtotal_data.t_dw + vmtotal_data.t_pw + vmtotal_data.t_sl + vmtotal_data.t_sw));
 269                 rrdset_done(st);
 270             }
 271
 272             // --------------------------------------------------------------------
 273
 274             if (likely(do_processes)) {
 275
 276                 st = rrdset_find_bytype("system", "processes");
 277                 if (unlikely(!st)) {
 278                     st = rrdset_create("system", "processes", NULL, "processes", NULL, "System Processes", "processes", 600, update_every, RRDSET_TYPE_LINE);
 279
 280                     rrddim_add(st, "running", NULL, 1, 1, RRDDIM_ABSOLUTE);
 281                     rrddim_add(st, "blocked", NULL, -1, 1, RRDDIM_ABSOLUTE);
 282                 }
 283                 else rrdset_next(st);
 284
 285                 rrddim_set(st, "running", vmtotal_data.t_rq);
 286                 rrddim_set(st, "blocked", (vmtotal_data.t_dw + vmtotal_data.t_pw));
 287                 rrdset_done(st);
 288             }
 289
 290             // --------------------------------------------------------------------
 291
 292             if (likely(do_committed)) {
 293                 st = rrdset_find("mem.committed");
 294                 if (unlikely(!st)) {
 295                     st = rrdset_create("mem", "committed", NULL, "system", NULL, "Committed (Allocated) Memory", "MB", 5000, update_every, RRDSET_TYPE_AREA);
 296                     st->isdetail = 1;
 297
 298                     rrddim_add(st, "Committed_AS", NULL, system_pagesize, 1048576, RRDDIM_ABSOLUTE);
 299                 }
 300                 else rrdset_next(st);
 301
 302                 rrddim_set(st, "Committed_AS", vmtotal_data.t_rm);
 303                 rrdset_done(st);
 304             }
 305         }
 306     }
 307
 308     // --------------------------------------------------------------------
 309
 310     if (likely(do_cpu)) {
 311         if (unlikely(CPUSTATES != 5)) {
 312             error("FREEBSD: There are %d CPU states (5 was expected)", CPUSTATES);
 313             do_cpu = 0;
 314             error("DISABLED: system.cpu");
 315         } else {
 316             if (unlikely(GETSYSCTL("kern.cp_time", cp_time))) {
 317                 do_cpu = 0;
 318                 error("DISABLED: system.cpu");
 319             } else {
 320
 321                 st = rrdset_find_bytype("system", "cpu");
 322                 if (unlikely(!st)) {
 323                     st = rrdset_create("system", "cpu", NULL, "cpu", "system.cpu", "Total CPU utilization", "percentage", 100, update_every, RRDSET_TYPE_STACKED);
 324
 325                     rrddim_add(st, "user", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 326                     rrddim_add(st, "nice", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 327                     rrddim_add(st, "system", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 328                     rrddim_add(st, "interrupt", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 329                     rrddim_add(st, "idle", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 330                     rrddim_hide(st, "idle");
 331                 }
 332                 else rrdset_next(st);
 333
 334                 rrddim_set(st, "user", cp_time[0]);
 335                 rrddim_set(st, "nice", cp_time[1]);
 336                 rrddim_set(st, "system", cp_time[2]);
 337                 rrddim_set(st, "interrupt", cp_time[3]);
 338                 rrddim_set(st, "idle", cp_time[4]);
 339                 rrdset_done(st);
 340             }
 341         }
 342     }
 343
 344     // --------------------------------------------------------------------
 345
 346     if (likely(do_cpu_cores)) {
 347         if (unlikely(CPUSTATES != 5)) {
 348             error("FREEBSD: There are %d CPU states (5 was expected)", CPUSTATES);
 349             do_cpu_cores = 0;
 350             error("DISABLED: cpu.cpuXX");
 351         } else {
 352             if (unlikely(GETSYSCTL("kern.smp.cpus", ncpus))) {
 353                 do_cpu_cores = 0;
 354                 error("DISABLED: cpu.cpuXX");
 355             } else {
 356                 pcpu_cp_time = reallocz(pcpu_cp_time, sizeof(cp_time) * ncpus);
 357
 358                 for (i = 0; i < ncpus; i++) {
 359                     if (unlikely(getsysctl("kern.cp_times", pcpu_cp_time, sizeof(cp_time) * ncpus))) {
 360                         do_cpu_cores = 0;
 361                         error("DISABLED: cpu.cpuXX");
 362                         break;
 363                     }
 364                     if (unlikely(ncpus > 9999)) {
 365                         error("FREEBSD: There are more than 4 digits in cpu cores number");
 366                         do_cpu_cores = 0;
 367                         error("DISABLED: cpu.cpuXX");
 368                         break;
 369                     }
 370                     snprintfz(cpuid, 8, "cpu%d", i);
 371
 372                     st = rrdset_find_bytype("cpu", cpuid);
 373                     if (unlikely(!st)) {
 374                         st = rrdset_create("cpu", cpuid, NULL, "utilization", "cpu.cpu", "Core utilization", "percentage", 1000, update_every, RRDSET_TYPE_STACKED);
 375
 376                         rrddim_add(st, "user", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 377                         rrddim_add(st, "nice", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 378                         rrddim_add(st, "system", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 379                         rrddim_add(st, "interrupt", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 380                         rrddim_add(st, "idle", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 381                         rrddim_hide(st, "idle");
 382                     }
 383                     else rrdset_next(st);
 384
 385                     rrddim_set(st, "user", pcpu_cp_time[i * 5 + 0]);
 386                     rrddim_set(st, "nice", pcpu_cp_time[i * 5 + 1]);
 387                     rrddim_set(st, "system", pcpu_cp_time[i * 5 + 2]);
 388                     rrddim_set(st, "interrupt", pcpu_cp_time[i * 5 + 3]);
 389                     rrddim_set(st, "idle", pcpu_cp_time[i * 5 + 4]);
 390                     rrdset_done(st);
 391                 }
 392             }
 393         }
 394     }
 395
 396     // --------------------------------------------------------------------
 397
 398     if (likely(do_interrupts)) {
 399         if (unlikely(sysctlbyname("hw.intrcnt", NULL, &intrcnt_size, NULL, 0) == -1)) {
 400             error("FREEBSD: sysctl(hw.intrcnt...) failed: %s", strerror(errno));
 401             do_interrupts = 0;
 402             error("DISABLED: system.intr");
 403         } else {
 404             nintr = intrcnt_size / sizeof(u_long);
 405             intrcnt = reallocz(intrcnt, nintr * sizeof(u_long));
 406             if (unlikely(getsysctl("hw.intrcnt", intrcnt, nintr * sizeof(u_long)))){
 407                 do_interrupts = 0;
 408                 error("DISABLED: system.intr");
 409             } else {
 410                 for (i = 0; i < nintr; i++)
 411                     totalintr += intrcnt[i];
 412
 413                 st = rrdset_find_bytype("system", "intr");
 414                 if (unlikely(!st)) {
 415                     st = rrdset_create("system", "intr", NULL, "interrupts", NULL, "Total Hardware Interrupts", "interrupts/s", 900, update_every, RRDSET_TYPE_LINE);
 416                     st->isdetail = 1;
 417
 418                     rrddim_add(st, "interrupts", NULL, 1, 1, RRDDIM_INCREMENTAL);
 419                 }
 420                 else rrdset_next(st);
 421
 422                 rrddim_set(st, "interrupts", totalintr);
 423                 rrdset_done(st);
 424
 425                 // --------------------------------------------------------------------
 426
 427                 size = nintr * (MAXCOMLEN +1);
 428                 intrnames = reallocz(intrnames, size);
 429                 if (unlikely(getsysctl("hw.intrnames", intrnames, size))) {
 430                     do_interrupts = 0;
 431                     error("DISABLED: system.intr");
 432                 } else {
 433                     st = rrdset_find_bytype("system", "interrupts");
 434                     if (unlikely(!st))
 435                         st = rrdset_create("system", "interrupts", NULL, "interrupts", NULL, "System interrupts", "interrupts/s",
 436                                            1000, update_every, RRDSET_TYPE_STACKED);
 437                     else
 438                         rrdset_next(st);
 439
 440                     for (i = 0; i < nintr; i++) {
 441                         p = intrnames + i * (MAXCOMLEN + 1);
 442                         if (unlikely((intrcnt[i] != 0) && (*(char*)p != 0))) {
 443                             rd = rrddim_find(st, p);
 444                             if (unlikely(!rd))
 445                                 rd = rrddim_add(st, p, NULL, 1, 1, RRDDIM_INCREMENTAL);
 446                             rrddim_set_by_pointer(st, rd, intrcnt[i]);
 447                         }
 448                     }
 449                     rrdset_done(st);
 450                 }
 451             }
 452         }
 453     }
 454
 455     // --------------------------------------------------------------------
 456
 457     if (likely(do_dev_intr)) {
 458         if (unlikely(GETSYSCTL("vm.stats.sys.v_intr", u_int_data))) {
 459             do_dev_intr = 0;
 460             error("DISABLED: system.dev_intr");
 461         } else {
 462
 463             st = rrdset_find_bytype("system", "dev_intr");
 464             if (unlikely(!st)) {
 465                 st = rrdset_create("system", "dev_intr", NULL, "interrupts", NULL, "Device Interrupts", "interrupts/s", 1000, update_every, RRDSET_TYPE_LINE);
 466
 467                 rrddim_add(st, "interrupts", NULL, 1, 1, RRDDIM_INCREMENTAL);
 468             }
 469             else rrdset_next(st);
 470
 471             rrddim_set(st, "interrupts", u_int_data);
 472             rrdset_done(st);
 473         }
 474     }
 475
 476     // --------------------------------------------------------------------
 477
 478     if (likely(do_soft_intr)) {
 479         if (unlikely(GETSYSCTL("vm.stats.sys.v_soft", u_int_data))) {
 480             do_soft_intr = 0;
 481             error("DISABLED: system.dev_intr");
 482         } else {
 483
 484             st = rrdset_find_bytype("system", "soft_intr");
 485             if (unlikely(!st)) {
 486                 st = rrdset_create("system", "soft_intr", NULL, "interrupts", NULL, "Software Interrupts", "interrupts/s", 1100, update_every, RRDSET_TYPE_LINE);
 487
 488                 rrddim_add(st, "interrupts", NULL, 1, 1, RRDDIM_INCREMENTAL);
 489             }
 490             else rrdset_next(st);
 491
 492             rrddim_set(st, "interrupts", u_int_data);
 493             rrdset_done(st);
 494         }
 495     }
 496
 497     // --------------------------------------------------------------------
 498
 499     if (likely(do_context)) {
 500         if (unlikely(GETSYSCTL("vm.stats.sys.v_swtch", u_int_data))) {
 501             do_context = 0;
 502             error("DISABLED: system.ctxt");
 503         } else {
 504
 505             st = rrdset_find_bytype("system", "ctxt");
 506             if (unlikely(!st)) {
 507                 st = rrdset_create("system", "ctxt", NULL, "processes", NULL, "CPU Context Switches", "context switches/s", 800, update_every, RRDSET_TYPE_LINE);
 508
 509                 rrddim_add(st, "switches", NULL, 1, 1, RRDDIM_INCREMENTAL);
 510             }
 511             else rrdset_next(st);
 512
 513             rrddim_set(st, "switches", u_int_data);
 514             rrdset_done(st);
 515         }
 516     }
 517
 518     // --------------------------------------------------------------------
 519
 520     if (likely(do_forks)) {
 521         if (unlikely(GETSYSCTL("vm.stats.vm.v_forks", u_int_data))) {
 522             do_forks = 0;
 523             error("DISABLED: system.forks");
 524         } else {
 525
 526             st = rrdset_find_bytype("system", "forks");
 527             if (unlikely(!st)) {
 528                 st = rrdset_create("system", "forks", NULL, "processes", NULL, "Started Processes", "processes/s", 700, update_every, RRDSET_TYPE_LINE);
 529                 st->isdetail = 1;
 530
 531                 rrddim_add(st, "started", NULL, 1, 1, RRDDIM_INCREMENTAL);
 532             }
 533             else rrdset_next(st);
 534
 535             rrddim_set(st, "started", u_int_data);
 536             rrdset_done(st);
 537         }
 538     }
 539
 540     // --------------------------------------------------------------------
 541
 542     if (likely(do_disk_io)) {
 543         if (unlikely(GETSYSCTL("kern.devstat.numdevs", numdevs))) {
 544             do_disk_io = 0;
 545             error("DISABLED: disk.io");
 546         } else {
 547             devstat_data = reallocz(devstat_data, sizeof(long) + sizeof(struct devstat) * numdevs); // there is generation number before devstat structures
 548             if (unlikely(getsysctl("kern.devstat.all", devstat_data, sizeof(long) + sizeof(struct devstat) * numdevs))) {
 549                 do_disk_io = 0;
 550                 error("DISABLED: disk.io");
 551             } else {
 552                 dstat = devstat_data + sizeof(long); // skip generation number
 553                 collected_number total_disk_reads = 0;
 554                 collected_number total_disk_writes = 0;
 555
 556                 for (i = 0; i < numdevs; i++) {
 557                     if (((dstat[i].device_type & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_DIRECT) || ((dstat[i].device_type & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_STORARRAY)) {
 558
 559                         // --------------------------------------------------------------------
 560
 561                         st = rrdset_find_bytype(RRD_TYPE_DISK, dstat[i].device_name);
 562                         if (unlikely(!st)) {
 563                             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);
 564
 565                             rrddim_add(st, "reads", NULL, 1, 1024, RRDDIM_INCREMENTAL);
 566                             rrddim_add(st, "writes", NULL, -1, 1024, RRDDIM_INCREMENTAL);
 567                         }
 568                         else rrdset_next(st);
 569
 570                         total_disk_reads += dstat[i].bytes[DEVSTAT_READ];
 571                         total_disk_writes += dstat[i].bytes[DEVSTAT_WRITE];
 572                         prev_dstat.bytes_read = rrddim_set(st, "reads", dstat[i].bytes[DEVSTAT_READ]);
 573                         prev_dstat.bytes_write = rrddim_set(st, "writes", dstat[i].bytes[DEVSTAT_WRITE]);
 574                         rrdset_done(st);
 575
 576                         // --------------------------------------------------------------------
 577
 578                         st = rrdset_find_bytype("disk_ops", dstat[i].device_name);
 579                         if (unlikely(!st)) {
 580                             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);
 581                             st->isdetail = 1;
 582
 583                             rrddim_add(st, "reads", NULL, 1, 1, RRDDIM_INCREMENTAL);
 584                             rrddim_add(st, "writes", NULL, -1, 1, RRDDIM_INCREMENTAL);
 585                         }
 586                         else rrdset_next(st);
 587
 588                         prev_dstat.operations_read = rrddim_set(st, "reads", dstat[i].operations[DEVSTAT_READ]);
 589                         prev_dstat.operations_write = rrddim_set(st, "writes", dstat[i].operations[DEVSTAT_WRITE]);
 590                         rrdset_done(st);
 591
 592                         // --------------------------------------------------------------------
 593
 594                         st = rrdset_find_bytype("disk_qops", dstat[i].device_name);
 595                         if (unlikely(!st)) {
 596                             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);
 597                             st->isdetail = 1;
 598
 599                             rrddim_add(st, "operations", NULL, 1, 1, RRDDIM_ABSOLUTE);
 600                         }
 601                         else rrdset_next(st);
 602
 603                         rrddim_set(st, "operations", dstat[i].start_count - dstat[i].end_count);
 604                         rrdset_done(st);
 605
 606                         // --------------------------------------------------------------------
 607
 608                         st = rrdset_find_bytype("disk_util", dstat[i].device_name);
 609                         if (unlikely(!st)) {
 610                             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);
 611                             st->isdetail = 1;
 612
 613                             rrddim_add(st, "utilization", NULL, 1, 10, RRDDIM_INCREMENTAL);
 614                         }
 615                         else rrdset_next(st);
 616
 617                         cur_dstat.busy_time_ms = dstat[i].busy_time.sec * 1000 + dstat[i].busy_time.frac * BINTIME_SCALE;
 618                         prev_dstat.busy_time_ms = rrddim_set(st, "utilization", cur_dstat.busy_time_ms);
 619                         rrdset_done(st);
 620
 621                         // --------------------------------------------------------------------
 622
 623                         st = rrdset_find_bytype("disk_iotime", dstat[i].device_name);
 624                         if (unlikely(!st)) {
 625                             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);
 626                             st->isdetail = 1;
 627
 628                             rrddim_add(st, "reads", NULL, 1, 1, RRDDIM_INCREMENTAL);
 629                             rrddim_add(st, "writes", NULL, -1, 1, RRDDIM_INCREMENTAL);
 630                         }
 631                         else rrdset_next(st);
 632
 633                         cur_dstat.duration_read_ms = dstat[i].duration[DEVSTAT_READ].sec * 1000 + dstat[i].duration[DEVSTAT_READ].frac * BINTIME_SCALE;
 634                         cur_dstat.duration_write_ms = dstat[i].duration[DEVSTAT_WRITE].sec * 1000 + dstat[i].duration[DEVSTAT_READ].frac * BINTIME_SCALE;
 635                         prev_dstat.duration_read_ms = rrddim_set(st, "reads", cur_dstat.duration_read_ms);
 636                         prev_dstat.duration_write_ms = rrddim_set(st, "writes", cur_dstat.duration_write_ms);
 637                         rrdset_done(st);
 638
 639                         // --------------------------------------------------------------------
 640                         // calculate differential charts
 641                         // only if this is not the first time we run
 642
 643                         if (likely(dt)) {
 644
 645                             // --------------------------------------------------------------------
 646
 647                             st = rrdset_find_bytype("disk_await", dstat[i].device_name);
 648                             if (unlikely(!st)) {
 649                                 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);
 650                                 st->isdetail = 1;
 651
 652                                 rrddim_add(st, "reads", NULL, 1, 1, RRDDIM_ABSOLUTE);
 653                                 rrddim_add(st, "writes", NULL, -1, 1, RRDDIM_ABSOLUTE);
 654                             }
 655                             else rrdset_next(st);
 656
 657                             rrddim_set(st, "reads", (dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) ?
 658                                 (cur_dstat.duration_read_ms - prev_dstat.duration_read_ms) / (dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) : 0);
 659                             rrddim_set(st, "writes", (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write) ?
 660                                 (cur_dstat.duration_write_ms - prev_dstat.duration_write_ms) / (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write) : 0);
 661                             rrdset_done(st);
 662
 663                             // --------------------------------------------------------------------
 664
 665                             st = rrdset_find_bytype("disk_avgsz", dstat[i].device_name);
 666                             if (unlikely(!st)) {
 667                                 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);
 668                                 st->isdetail = 1;
 669
 670                                 rrddim_add(st, "reads", NULL, 1, 1024, RRDDIM_ABSOLUTE);
 671                                 rrddim_add(st, "writes", NULL, -1, 1024, RRDDIM_ABSOLUTE);
 672                             }
 673                             else rrdset_next(st);
 674
 675                             rrddim_set(st, "reads", (dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) ?
 676                                 (dstat[i].bytes[DEVSTAT_READ] - prev_dstat.bytes_read) / (dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) : 0);
 677                             rrddim_set(st, "writes", (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write) ?
 678                                 (dstat[i].bytes[DEVSTAT_WRITE] - prev_dstat.bytes_write) / (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write) : 0);
 679                             rrdset_done(st);
 680
 681                             // --------------------------------------------------------------------
 682
 683                             st = rrdset_find_bytype("disk_svctm", dstat[i].device_name);
 684                             if (unlikely(!st)) {
 685                                 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);
 686                                 st->isdetail = 1;
 687
 688                                 rrddim_add(st, "svctm", NULL, 1, 1, RRDDIM_ABSOLUTE);
 689                             }
 690                             else rrdset_next(st);
 691
 692                             rrddim_set(st, "svctm", ((dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) + (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write)) ?
 693                                 (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);
 694                             rrdset_done(st);
 695                         }
 696                     }
 697
 698                     // --------------------------------------------------------------------
 699
 700                     st = rrdset_find_bytype("system", "io");
 701                     if (unlikely(!st)) {
 702                         st = rrdset_create("system", "io", NULL, "disk", NULL, "Disk I/O", "kilobytes/s", 150, update_every, RRDSET_TYPE_AREA);
 703                         rrddim_add(st, "in",  NULL,  1, 1024, RRDDIM_INCREMENTAL);
 704                         rrddim_add(st, "out", NULL, -1, 1024, RRDDIM_INCREMENTAL);
 705                     }
 706                     else rrdset_next(st);
 707
 708                     rrddim_set(st, "in", total_disk_reads);
 709                     rrddim_set(st, "out", total_disk_writes);
 710                     rrdset_done(st);
 711                 }
 712             }
 713         }
 714     }
 715
 716     // --------------------------------------------------------------------
 717
 718
 719     if (likely(do_swap)) {
 720         mibsize = sizeof mib / sizeof mib[0];
 721         if (unlikely(sysctlnametomib("vm.swap_info", mib, &mibsize) == -1)) {
 722             error("FREEBSD: sysctl(%s...) failed: %s", "vm.swap_info", strerror(errno));
 723             do_swap = 0;
 724             error("DISABLED: system.swap");
 725         } else {
 726             for (i = 0; ; i++) {
 727                 mib[mibsize] = i;
 728                 size = sizeof(xsw);
 729                 if (unlikely(sysctl(mib, mibsize + 1, &xsw, &size, NULL, 0) == -1 )) {
 730                     if (unlikely(errno != ENOENT)) {
 731                         error("FREEBSD: sysctl(%s...) failed: %s", "vm.swap_info", strerror(errno));
 732                         do_swap = 0;
 733                         error("DISABLED: system.swap");
 734                     } else {
 735                         if (unlikely(size != sizeof(xsw))) {
 736                             error("FREEBSD: sysctl(%s...) expected %lu, got %lu", "vm.swap_info", (unsigned long)sizeof(xsw), (unsigned long)size);
 737                             do_swap = 0;
 738                             error("DISABLED: system.swap");
 739                         } else break;
 740                     }
 741                 }
 742                 total_xsw.bytes_used += xsw.xsw_used;
 743                 total_xsw.bytes_total += xsw.xsw_nblks;
 744             }
 745
 746             if (likely(do_swap)) {
 747                 st = rrdset_find("system.swap");
 748                 if (unlikely(!st)) {
 749                     st = rrdset_create("system", "swap", NULL, "swap", NULL, "System Swap", "MB", 201, update_every, RRDSET_TYPE_STACKED);
 750                     st->isdetail = 1;
 751
 752                     rrddim_add(st, "free",    NULL, system_pagesize, 1048576, RRDDIM_ABSOLUTE);
 753                     rrddim_add(st, "used",    NULL, system_pagesize, 1048576, RRDDIM_ABSOLUTE);
 754                 }
 755                 else rrdset_next(st);
 756
 757                 rrddim_set(st, "used", total_xsw.bytes_used);
 758                 rrddim_set(st, "free", total_xsw.bytes_total - total_xsw.bytes_used);
 759                 rrdset_done(st);
 760             }
 761         }
 762     }
 763
 764     // --------------------------------------------------------------------
 765
 766     if (likely(do_ram)) {
 767         if (unlikely(GETSYSCTL("vm.stats.vm.v_active_count",    vmmeter_data.v_active_count) ||
 768                      GETSYSCTL("vm.stats.vm.v_inactive_count",  vmmeter_data.v_inactive_count) ||
 769                      GETSYSCTL("vm.stats.vm.v_wire_count",      vmmeter_data.v_wire_count) ||
 770                      GETSYSCTL("vm.stats.vm.v_cache_count",     vmmeter_data.v_cache_count) ||
 771                      GETSYSCTL("vfs.bufspace",                  vfs_bufspace_count) ||
 772                      GETSYSCTL("vm.stats.vm.v_free_count",      vmmeter_data.v_free_count))) {
 773             do_ram = 0;
 774             error("DISABLED: system.ram");
 775         } else {
 776             st = rrdset_find("system.ram");
 777             if (unlikely(!st)) {
 778                 st = rrdset_create("system", "ram", NULL, "ram", NULL, "System RAM", "MB", 200, update_every, RRDSET_TYPE_STACKED);
 779
 780                 rrddim_add(st, "active",    NULL, system_pagesize, 1048576, RRDDIM_ABSOLUTE);
 781                 rrddim_add(st, "inactive",  NULL, system_pagesize, 1048576, RRDDIM_ABSOLUTE);
 782                 rrddim_add(st, "wired",     NULL, system_pagesize, 1048576, RRDDIM_ABSOLUTE);
 783                 rrddim_add(st, "cache",     NULL, system_pagesize, 1048576, RRDDIM_ABSOLUTE);
 784                 rrddim_add(st, "buffers",   NULL, 1, 1048576, RRDDIM_ABSOLUTE);
 785                 rrddim_add(st, "free",      NULL, system_pagesize, 1048576, RRDDIM_ABSOLUTE);
 786             }
 787             else rrdset_next(st);
 788
 789             rrddim_set(st, "active",    vmmeter_data.v_active_count);
 790             rrddim_set(st, "inactive",  vmmeter_data.v_inactive_count);
 791             rrddim_set(st, "wired",     vmmeter_data.v_wire_count);
 792             rrddim_set(st, "cache",     vmmeter_data.v_cache_count);
 793             rrddim_set(st, "buffers",   vfs_bufspace_count);
 794             rrddim_set(st, "free",      vmmeter_data.v_free_count);
 795             rrdset_done(st);
 796         }
 797     }
 798
 799     // --------------------------------------------------------------------
 800
 801     if (likely(do_swapio)) {
 802         if (unlikely(GETSYSCTL("vm.stats.vm.v_swappgsin", vmmeter_data.v_swappgsin) || GETSYSCTL("vm.stats.vm.v_swappgsout", vmmeter_data.v_swappgsout))) {
 803             do_swapio = 0;
 804             error("DISABLED: system.swapio");
 805         } else {
 806             st = rrdset_find("system.swapio");
 807             if (unlikely(!st)) {
 808                 st = rrdset_create("system", "swapio", NULL, "swap", NULL, "Swap I/O", "kilobytes/s", 250, update_every, RRDSET_TYPE_AREA);
 809
 810                 rrddim_add(st, "in",  NULL, system_pagesize, 1024, RRDDIM_INCREMENTAL);
 811                 rrddim_add(st, "out", NULL, -system_pagesize, 1024, RRDDIM_INCREMENTAL);
 812             }
 813             else rrdset_next(st);
 814
 815             rrddim_set(st, "in", vmmeter_data.v_swappgsin);
 816             rrddim_set(st, "out", vmmeter_data.v_swappgsout);
 817             rrdset_done(st);
 818         }
 819     }
 820
 821     // --------------------------------------------------------------------
 822
 823     if (likely(do_pgfaults)) {
 824         if (unlikely(GETSYSCTL("vm.stats.vm.v_vm_faults",   vmmeter_data.v_vm_faults) ||
 825                      GETSYSCTL("vm.stats.vm.v_io_faults",   vmmeter_data.v_io_faults) ||
 826                      GETSYSCTL("vm.stats.vm.v_cow_faults",  vmmeter_data.v_cow_faults) ||
 827                      GETSYSCTL("vm.stats.vm.v_cow_optim",   vmmeter_data.v_cow_optim) ||
 828                      GETSYSCTL("vm.stats.vm.v_intrans",     vmmeter_data.v_intrans))) {
 829             do_pgfaults = 0;
 830             error("DISABLED: mem.pgfaults");
 831         } else {
 832             st = rrdset_find("mem.pgfaults");
 833             if (unlikely(!st)) {
 834                 st = rrdset_create("mem", "pgfaults", NULL, "system", NULL, "Memory Page Faults", "page faults/s", 500, update_every, RRDSET_TYPE_LINE);
 835                 st->isdetail = 1;
 836
 837                 rrddim_add(st, "memory", NULL, 1, 1, RRDDIM_INCREMENTAL);
 838                 rrddim_add(st, "io_requiring", NULL, 1, 1, RRDDIM_INCREMENTAL);
 839                 rrddim_add(st, "cow", NULL, 1, 1, RRDDIM_INCREMENTAL);
 840                 rrddim_add(st, "cow_optimized", NULL, 1, 1, RRDDIM_INCREMENTAL);
 841                 rrddim_add(st, "in_transit", NULL, 1, 1, RRDDIM_INCREMENTAL);
 842             }
 843             else rrdset_next(st);
 844
 845             rrddim_set(st, "memory", vmmeter_data.v_vm_faults);
 846             rrddim_set(st, "io_requiring", vmmeter_data.v_io_faults);
 847             rrddim_set(st, "cow", vmmeter_data.v_cow_faults);
 848             rrddim_set(st, "cow_optimized", vmmeter_data.v_cow_optim);
 849             rrddim_set(st, "in_transit", vmmeter_data.v_intrans);
 850             rrdset_done(st);
 851         }
 852     }
 853
 854     // --------------------------------------------------------------------
 855
 856     if (likely(do_ipc_semaphores)) {
 857         if (unlikely(GETSYSCTL("kern.ipc.semmni", ipc_sem.semmni))) {
 858             do_ipc_semaphores = 0;
 859             error("DISABLED: system.ipc_semaphores");
 860             error("DISABLED: system.ipc_semaphore_arrays");
 861         } else {
 862             ipc_sem_data = reallocz(ipc_sem_data, sizeof(struct semid_kernel) * ipc_sem.semmni);
 863             if (unlikely(getsysctl("kern.ipc.sema", ipc_sem_data, sizeof(struct semid_kernel) * ipc_sem.semmni))) {
 864                 do_ipc_semaphores = 0;
 865                 error("DISABLED: system.ipc_semaphores");
 866                 error("DISABLED: system.ipc_semaphore_arrays");
 867             } else {
 868                 for (i = 0; i < ipc_sem.semmni; i++) {
 869                     if (unlikely(ipc_sem_data[i].u.sem_perm.mode & SEM_ALLOC)) {
 870                         ipc_sem.sets += 1;
 871                         ipc_sem.semaphores += ipc_sem_data[i].u.sem_nsems;
 872                     }
 873                 }
 874
 875                 // --------------------------------------------------------------------
 876
 877                 st = rrdset_find("system.ipc_semaphores");
 878                 if (unlikely(!st)) {
 879                     st = rrdset_create("system", "ipc_semaphores", NULL, "ipc semaphores", NULL, "IPC Semaphores", "semaphores", 1000, rrd_update_every, RRDSET_TYPE_AREA);
 880                     rrddim_add(st, "semaphores", NULL, 1, 1, RRDDIM_ABSOLUTE);
 881                 }
 882                 else rrdset_next(st);
 883
 884                 rrddim_set(st, "semaphores", ipc_sem.semaphores);
 885                 rrdset_done(st);
 886
 887                 // --------------------------------------------------------------------
 888
 889                 st = rrdset_find("system.ipc_semaphore_arrays");
 890                 if (unlikely(!st)) {
 891                     st = rrdset_create("system", "ipc_semaphore_arrays", NULL, "ipc semaphores", NULL, "IPC Semaphore Arrays", "arrays", 1000, rrd_update_every, RRDSET_TYPE_AREA);
 892                     rrddim_add(st, "arrays", NULL, 1, 1, RRDDIM_ABSOLUTE);
 893                 }
 894                 else rrdset_next(st);
 895
 896                 rrddim_set(st, "arrays", ipc_sem.sets);
 897                 rrdset_done(st);
 898             }
 899         }
 900     }
 901
 902     // --------------------------------------------------------------------
 903
 904     if (likely(do_ipc_shared_mem)) {
 905         if (unlikely(GETSYSCTL("kern.ipc.shmmni", ipc_shm.shmmni))) {
 906             do_ipc_shared_mem = 0;
 907             error("DISABLED: system.ipc_shared_mem_segs");
 908             error("DISABLED: system.ipc_shared_mem_size");
 909         } else {
 910             ipc_shm_data = reallocz(ipc_shm_data, sizeof(struct shmid_kernel) * ipc_shm.shmmni);
 911             if (unlikely(getsysctl("kern.ipc.shmsegs", ipc_shm_data, sizeof(struct shmid_kernel) * ipc_shm.shmmni))) {
 912                 do_ipc_shared_mem = 0;
 913                 error("DISABLED: system.ipc_shared_mem_segs");
 914                 error("DISABLED: system.ipc_shared_mem_size");
 915             } else {
 916                 for (i = 0; i < ipc_shm.shmmni; i++) {
 917                     if (unlikely(ipc_shm_data[i].u.shm_perm.mode & 0x0800)) {
 918                         ipc_shm.segs += 1;
 919                         ipc_shm.segsize += ipc_shm_data[i].u.shm_segsz;
 920                     }
 921                 }
 922
 923                 // --------------------------------------------------------------------
 924
 925                 st = rrdset_find("system.ipc_shared_mem_segs");
 926                 if (unlikely(!st)) {
 927                     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);
 928                     rrddim_add(st, "segments", NULL, 1, 1, RRDDIM_ABSOLUTE);
 929                 }
 930                 else rrdset_next(st);
 931
 932                 rrddim_set(st, "segments", ipc_shm.segs);
 933                 rrdset_done(st);
 934
 935                 // --------------------------------------------------------------------
 936
 937                 st = rrdset_find("system.ipc_shared_mem_size");
 938                 if (unlikely(!st)) {
 939                     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);
 940                     rrddim_add(st, "allocated", NULL, 1, 1024, RRDDIM_ABSOLUTE);
 941                 }
 942                 else rrdset_next(st);
 943
 944                 rrddim_set(st, "allocated", ipc_shm.segsize);
 945                 rrdset_done(st);
 946             }
 947         }
 948     }
 949
 950     // --------------------------------------------------------------------
 951
 952     if (likely(do_ipc_msg_queues)) {
 953         if (unlikely(GETSYSCTL("kern.ipc.msgmni", ipc_msq.msgmni))) {
 954             do_ipc_msg_queues = 0;
 955             error("DISABLED: system.ipc_msq_queues");
 956             error("DISABLED: system.ipc_msq_messages");
 957             error("DISABLED: system.ipc_msq_size");
 958         } else {
 959             ipc_msq_data = reallocz(ipc_msq_data, sizeof(struct msqid_kernel) * ipc_msq.msgmni);
 960             if (unlikely(getsysctl("kern.ipc.msqids", ipc_msq_data, sizeof(struct msqid_kernel) * ipc_msq.msgmni))) {
 961                 do_ipc_msg_queues = 0;
 962                 error("DISABLED: system.ipc_msq_queues");
 963                 error("DISABLED: system.ipc_msq_messages");
 964                 error("DISABLED: system.ipc_msq_size");
 965             } else {
 966                 for (i = 0; i < ipc_msq.msgmni; i++) {
 967                     if (unlikely(ipc_msq_data[i].u.msg_qbytes != 0)) {
 968                         ipc_msq.queues += 1;
 969                         ipc_msq.messages += ipc_msq_data[i].u.msg_qnum;
 970                         ipc_msq.usedsize += ipc_msq_data[i].u.msg_cbytes;
 971                         ipc_msq.allocsize += ipc_msq_data[i].u.msg_qbytes;
 972                     }
 973                 }
 974
 975                 // --------------------------------------------------------------------
 976
 977                 st = rrdset_find("system.ipc_msq_queues");
 978                 if (unlikely(!st)) {
 979                     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);
 980                     rrddim_add(st, "queues", NULL, 1, 1, RRDDIM_ABSOLUTE);
 981                 }
 982                 else rrdset_next(st);
 983
 984                 rrddim_set(st, "queues", ipc_msq.queues);
 985                 rrdset_done(st);
 986
 987                 // --------------------------------------------------------------------
 988
 989                 st = rrdset_find("system.ipc_msq_messages");
 990                 if (unlikely(!st)) {
 991                     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);
 992                     rrddim_add(st, "messages", NULL, 1, 1, RRDDIM_ABSOLUTE);
 993                 }
 994                 else rrdset_next(st);
 995
 996                 rrddim_set(st, "messages", ipc_msq.messages);
 997                 rrdset_done(st);
 998
 999                 // --------------------------------------------------------------------
1000
1001                 st = rrdset_find("system.ipc_msq_size");
1002                 if (unlikely(!st)) {
1003                     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);
1004                     rrddim_add(st, "allocated", NULL, 1, 1, RRDDIM_ABSOLUTE);
1005                     rrddim_add(st, "used", NULL, 1, 1, RRDDIM_ABSOLUTE);
1006                 }
1007                 else rrdset_next(st);
1008
1009                 rrddim_set(st, "allocated", ipc_msq.allocsize);
1010                 rrddim_set(st, "used", ipc_msq.usedsize);
1011                 rrdset_done(st);
1012
1013             }
1014         }
1015     }
1016
1017     // --------------------------------------------------------------------
1018
1019     if (likely(do_netisr || do_netisr_per_core)) {
1020         if (unlikely(GETSYSCTL("kern.smp.cpus", ncpus))) {
1021             common_error = 1;
1022         } else if (unlikely(ncpus > 9999)) {
1023             error("FREEBSD: There are more than 4 digits in cpu cores number");
1024             common_error = 1;
1025         } else if (unlikely(sysctlbyname("net.isr.workstream", NULL, &netisr_workstream_size, NULL, 0) == -1)) {
1026             error("FREEBSD: sysctl(net.isr.workstream...) failed: %s", strerror(errno));
1027             common_error = 1;
1028         } else if (unlikely(sysctlbyname("net.isr.work", NULL, &netisr_work_size, NULL, 0) == -1)) {
1029             error("FREEBSD: sysctl(net.isr.work...) failed: %s", strerror(errno));
1030             common_error = 1;
1031         } else {
1032             num_netisr_workstreams = netisr_workstream_size / sizeof(struct sysctl_netisr_workstream);
1033             netisr_workstream = reallocz(netisr_workstream, num_netisr_workstreams * sizeof(struct sysctl_netisr_workstream));
1034             if (unlikely(getsysctl("net.isr.workstream", netisr_workstream, num_netisr_workstreams * sizeof(struct sysctl_netisr_workstream)))){
1035                 common_error = 1;
1036             } else {
1037                 num_netisr_works = netisr_work_size / sizeof(struct sysctl_netisr_work);
1038                 netisr_work = reallocz(netisr_work, num_netisr_works * sizeof(struct sysctl_netisr_work));
1039                 if (unlikely(getsysctl("net.isr.work", netisr_work, num_netisr_works * sizeof(struct sysctl_netisr_work)))){
1040                     common_error = 1;
1041                 }
1042             }
1043         }
1044         if (unlikely(common_error)) {
1045             do_netisr = 0;
1046             error("DISABLED: system.softnet_stat");
1047             do_netisr_per_core = 0;
1048             error("DISABLED: system.cpuX_softnet_stat");
1049             common_error = 0;
1050         } else {
1051             netisr_stats = reallocz(netisr_stats, (ncpus + 1) * sizeof(struct netisr_stats));
1052             bzero(netisr_stats, (ncpus + 1) * sizeof(struct netisr_stats));
1053             for (i = 0; i < num_netisr_workstreams; i++) {
1054                 for (n = 0; n < num_netisr_works; n++) {
1055                     if (netisr_workstream[i].snws_wsid == netisr_work[n].snw_wsid) {
1056                         netisr_stats[netisr_workstream[i].snws_cpu].dispatched += netisr_work[n].snw_dispatched;
1057                         netisr_stats[netisr_workstream[i].snws_cpu].hybrid_dispatched += netisr_work[n].snw_hybrid_dispatched;
1058                         netisr_stats[netisr_workstream[i].snws_cpu].qdrops += netisr_work[n].snw_qdrops;
1059                         netisr_stats[netisr_workstream[i].snws_cpu].queued += netisr_work[n].snw_queued;
1060                     }
1061                 }
1062             }
1063             for (i = 0; i < ncpus; i++) {
1064                 netisr_stats[ncpus].dispatched += netisr_stats[i].dispatched;
1065                 netisr_stats[ncpus].hybrid_dispatched += netisr_stats[i].hybrid_dispatched;
1066                 netisr_stats[ncpus].qdrops += netisr_stats[i].qdrops;
1067                 netisr_stats[ncpus].queued += netisr_stats[i].queued;
1068             }
1069         }
1070     }
1071
1072     // --------------------------------------------------------------------
1073
1074     if (likely(do_netisr)) {
1075         st = rrdset_find_bytype("system", "softnet_stat");
1076         if (unlikely(!st)) {
1077             st = rrdset_create("system", "softnet_stat", NULL, "softnet_stat", NULL, "System softnet_stat", "events/s", 955, update_every, RRDSET_TYPE_LINE);
1078             rrddim_add(st, "dispatched", NULL, 1, 1, RRDDIM_INCREMENTAL);
1079             rrddim_add(st, "hybrid_dispatched", NULL, 1, 1, RRDDIM_INCREMENTAL);
1080             rrddim_add(st, "qdrops", NULL, 1, 1, RRDDIM_INCREMENTAL);
1081             rrddim_add(st, "queued", NULL, 1, 1, RRDDIM_INCREMENTAL);
1082         }
1083         else rrdset_next(st);
1084
1085         rrddim_set(st, "dispatched", netisr_stats[ncpus].dispatched);
1086         rrddim_set(st, "hybrid_dispatched", netisr_stats[ncpus].hybrid_dispatched);
1087         rrddim_set(st, "qdrops", netisr_stats[ncpus].qdrops);
1088         rrddim_set(st, "queued", netisr_stats[ncpus].queued);
1089         rrdset_done(st);
1090     }
1091
1092     // --------------------------------------------------------------------
1093
1094     if (likely(do_netisr_per_core)) {
1095         for (i = 0; i < ncpus ;i++) {
1096             snprintfz(netstat_cpuid, 21, "cpu%d_softnet_stat", i);
1097
1098             st = rrdset_find_bytype("cpu", netstat_cpuid);
1099             if (unlikely(!st)) {
1100                 st = rrdset_create("cpu", netstat_cpuid, NULL, "softnet_stat", NULL, "Per CPU netisr statistics", "events/s", 1101 + i, update_every, RRDSET_TYPE_LINE);
1101                 rrddim_add(st, "dispatched", NULL, 1, 1, RRDDIM_INCREMENTAL);
1102                 rrddim_add(st, "hybrid_dispatched", NULL, 1, 1, RRDDIM_INCREMENTAL);
1103                 rrddim_add(st, "qdrops", NULL, 1, 1, RRDDIM_INCREMENTAL);
1104                 rrddim_add(st, "queued", NULL, 1, 1, RRDDIM_INCREMENTAL);
1105             }
1106             else rrdset_next(st);
1107
1108             rrddim_set(st, "dispatched", netisr_stats[i].dispatched);
1109             rrddim_set(st, "hybrid_dispatched", netisr_stats[i].hybrid_dispatched);
1110             rrddim_set(st, "qdrops", netisr_stats[i].qdrops);
1111             rrddim_set(st, "queued", netisr_stats[i].queued);
1112             rrdset_done(st);
1113         }
1114     }
1115
1116     // --------------------------------------------------------------------
1117
1118     if (likely(do_bandwidth)) {
1119         if (unlikely(getifaddrs(&ifap))) {
1120             error("FREEBSD: getifaddrs()");
1121             do_bandwidth = 0;
1122             error("DISABLED: system.ipv4");
1123         } else {
1124             iftot.ift_ibytes = iftot.ift_obytes = 0;
1125             for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
1126                 if (ifa->ifa_addr->sa_family != AF_INET)
1127                         continue;
1128                 iftot.ift_ibytes += IFA_DATA(ibytes);
1129                 iftot.ift_obytes += IFA_DATA(obytes);
1130             }
1131
1132             st = rrdset_find("system.ipv4");
1133             if (unlikely(!st)) {
1134                 st = rrdset_create("system", "ipv4", NULL, "network", NULL, "IPv4 Bandwidth", "kilobits/s", 500, update_every, RRDSET_TYPE_AREA);
1135
1136                 rrddim_add(st, "InOctets", "received", 8, 1024, RRDDIM_INCREMENTAL);
1137                 rrddim_add(st, "OutOctets", "sent", -8, 1024, RRDDIM_INCREMENTAL);
1138             }
1139             else rrdset_next(st);
1140
1141             rrddim_set(st, "InOctets", iftot.ift_ibytes);
1142             rrddim_set(st, "OutOctets", iftot.ift_obytes);
1143             rrdset_done(st);
1144
1145             // --------------------------------------------------------------------
1146
1147             iftot.ift_ibytes = iftot.ift_obytes = 0;
1148             for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
1149                 if (ifa->ifa_addr->sa_family != AF_INET6)
1150                         continue;
1151                 iftot.ift_ibytes += IFA_DATA(ibytes);
1152                 iftot.ift_obytes += IFA_DATA(obytes);
1153             }
1154
1155             st = rrdset_find("system.ipv6");
1156             if (unlikely(!st)) {
1157                 st = rrdset_create("system", "ipv6", NULL, "network", NULL, "IPv6 Bandwidth", "kilobits/s", 500, update_every, RRDSET_TYPE_AREA);
1158
1159                 rrddim_add(st, "received", NULL, 8, 1024, RRDDIM_INCREMENTAL);
1160                 rrddim_add(st, "sent", NULL, -8, 1024, RRDDIM_INCREMENTAL);
1161             }
1162             else rrdset_next(st);
1163
1164             rrddim_set(st, "sent", iftot.ift_obytes);
1165             rrddim_set(st, "received", iftot.ift_ibytes);
1166             rrdset_done(st);
1167
1168             for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
1169                 if (ifa->ifa_addr->sa_family != AF_LINK)
1170                         continue;
1171
1172                 // --------------------------------------------------------------------
1173
1174                 st = rrdset_find_bytype("net", ifa->ifa_name);
1175                 if (unlikely(!st)) {
1176                     st = rrdset_create("net", ifa->ifa_name, NULL, ifa->ifa_name, "net.net", "Bandwidth", "kilobits/s", 7000, update_every, RRDSET_TYPE_AREA);
1177
1178                     rrddim_add(st, "received", NULL, 8, 1024, RRDDIM_INCREMENTAL);
1179                     rrddim_add(st, "sent", NULL, -8, 1024, RRDDIM_INCREMENTAL);
1180                 }
1181                 else rrdset_next(st);
1182
1183                 rrddim_set(st, "received", IFA_DATA(ibytes));
1184                 rrddim_set(st, "sent", IFA_DATA(obytes));
1185                 rrdset_done(st);
1186
1187                 // --------------------------------------------------------------------
1188
1189                 st = rrdset_find_bytype("net_packets", ifa->ifa_name);
1190                 if (unlikely(!st)) {
1191                     st = rrdset_create("net_packets", ifa->ifa_name, NULL, ifa->ifa_name, "net.packets", "Packets", "packets/s", 7001, update_every, RRDSET_TYPE_LINE);
1192                     st->isdetail = 1;
1193
1194                     rrddim_add(st, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
1195                     rrddim_add(st, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
1196                     rrddim_add(st, "multicast_received", NULL, 1, 1, RRDDIM_INCREMENTAL);
1197                     rrddim_add(st, "multicast_sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
1198                 }
1199                 else rrdset_next(st);
1200
1201                 rrddim_set(st, "received", IFA_DATA(ipackets));
1202                 rrddim_set(st, "sent", IFA_DATA(opackets));
1203                 rrddim_set(st, "multicast_received", IFA_DATA(imcasts));
1204                 rrddim_set(st, "multicast_sent", IFA_DATA(omcasts));
1205                 rrdset_done(st);
1206
1207                 // --------------------------------------------------------------------
1208
1209                 st = rrdset_find_bytype("net_errors", ifa->ifa_name);
1210                 if (unlikely(!st)) {
1211                     st = rrdset_create("net_errors", ifa->ifa_name, NULL, ifa->ifa_name, "net.errors", "Interface Errors", "errors/s", 7002, update_every, RRDSET_TYPE_LINE);
1212                     st->isdetail = 1;
1213
1214                     rrddim_add(st, "inbound", NULL, 1, 1, RRDDIM_INCREMENTAL);
1215                     rrddim_add(st, "outbound", NULL, -1, 1, RRDDIM_INCREMENTAL);
1216                 }
1217                 else rrdset_next(st);
1218
1219                 rrddim_set(st, "inbound", IFA_DATA(ierrors));
1220                 rrddim_set(st, "outbound", IFA_DATA(oerrors));
1221                 rrdset_done(st);
1222
1223                 // --------------------------------------------------------------------
1224
1225                 st = rrdset_find_bytype("net_drops", ifa->ifa_name);
1226                 if (unlikely(!st)) {
1227                     st = rrdset_create("net_drops", ifa->ifa_name, NULL, ifa->ifa_name, "net.drops", "Interface Drops", "drops/s", 7003, update_every, RRDSET_TYPE_LINE);
1228                     st->isdetail = 1;
1229
1230                     rrddim_add(st, "inbound", NULL, 1, 1, RRDDIM_INCREMENTAL);
1231                     rrddim_add(st, "outbound", NULL, -1, 1, RRDDIM_INCREMENTAL);
1232                 }
1233                 else rrdset_next(st);
1234
1235                 rrddim_set(st, "inbound", IFA_DATA(iqdrops));
1236                 rrddim_set(st, "outbound", IFA_DATA(oqdrops));
1237                 rrdset_done(st);
1238
1239                 // --------------------------------------------------------------------
1240
1241                 st = rrdset_find_bytype("net_events", ifa->ifa_name);
1242                 if (unlikely(!st)) {
1243                     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);
1244                     st->isdetail = 1;
1245
1246                     rrddim_add(st, "frames", NULL, 1, 1, RRDDIM_INCREMENTAL);
1247                     rrddim_add(st, "collisions", NULL, -1, 1, RRDDIM_INCREMENTAL);
1248                     rrddim_add(st, "carrier", NULL, -1, 1, RRDDIM_INCREMENTAL);
1249                 }
1250                 else rrdset_next(st);
1251
1252                 rrddim_set(st, "collisions", IFA_DATA(collisions));
1253                 rrdset_done(st);
1254             }
1255
1256             freeifaddrs(ifap);
1257         }
1258     }
1259
1260     // --------------------------------------------------------------------
1261
1262     // see http://net-snmp.sourceforge.net/docs/mibs/tcp.html
1263     if (likely(do_tcp_sockets)) {
1264         if (unlikely(GETSYSCTL("net.inet.tcp.states", tcps_states))) {
1265             do_tcp_sockets = 0;
1266             error("DISABLED: ipv4.tcpsock");
1267         } else {
1268             if (likely(do_tcp_sockets)) {
1269                 st = rrdset_find("ipv4.tcpsock");
1270                 if (unlikely(!st)) {
1271                     st = rrdset_create("ipv4", "tcpsock", NULL, "tcp", NULL, "IPv4 TCP Connections",
1272                                        "active connections", 2500, update_every, RRDSET_TYPE_LINE);
1273
1274                     rrddim_add(st, "CurrEstab", "connections", 1, 1, RRDDIM_ABSOLUTE);
1275                 } else
1276                     rrdset_next(st);
1277
1278                 rrddim_set(st, "CurrEstab", tcps_states[TCPS_ESTABLISHED]);
1279                 rrdset_done(st);
1280             }
1281         }
1282     }
1283
1284     // --------------------------------------------------------------------
1285
1286     // see http://net-snmp.sourceforge.net/docs/mibs/tcp.html
1287     if (likely(do_tcp_packets || do_tcp_errors || do_tcp_handshake || do_tcpext_connaborts || do_tcpext_ofo || do_tcpext_syscookies || do_ecn)) {
1288         if (unlikely(GETSYSCTL("net.inet.tcp.stats", tcpstat))){
1289             do_tcp_packets = 0;
1290             error("DISABLED: ipv4.tcppackets");
1291             do_tcp_errors = 0;
1292             error("DISABLED: ipv4.tcperrors");
1293             do_tcp_handshake = 0;
1294             error("DISABLED: ipv4.tcphandshake");
1295             do_tcpext_connaborts = 0;
1296             error("DISABLED: ipv4.tcpconnaborts");
1297             do_tcpext_ofo = 0;
1298             error("DISABLED: ipv4.tcpofo");
1299             do_tcpext_syscookies = 0;
1300             error("DISABLED: ipv4.tcpsyncookies");
1301             do_ecn = 0;
1302             error("DISABLED: ipv4.ecnpkts");
1303         } else {
1304             if (likely(do_tcp_packets)) {
1305                 st = rrdset_find("ipv4.tcppackets");
1306                 if (unlikely(!st)) {
1307                     st = rrdset_create("ipv4", "tcppackets", NULL, "tcp", NULL, "IPv4 TCP Packets",
1308                                        "packets/s",
1309                                        2600, update_every, RRDSET_TYPE_LINE);
1310
1311                     rrddim_add(st, "InSegs", "received", 1, 1, RRDDIM_INCREMENTAL);
1312                     rrddim_add(st, "OutSegs", "sent", -1, 1, RRDDIM_INCREMENTAL);
1313                 } else
1314                     rrdset_next(st);
1315
1316                 rrddim_set(st, "InSegs", tcpstat.tcps_rcvtotal);
1317                 rrddim_set(st, "OutSegs", tcpstat.tcps_sndtotal);
1318                 rrdset_done(st);
1319             }
1320
1321             // --------------------------------------------------------------------
1322
1323             if (likely(do_tcp_errors)) {
1324                 st = rrdset_find("ipv4.tcperrors");
1325                 if (unlikely(!st)) {
1326                     st = rrdset_create("ipv4", "tcperrors", NULL, "tcp", NULL, "IPv4 TCP Errors",
1327                                        "packets/s",
1328                                        2700, update_every, RRDSET_TYPE_LINE);
1329                     st->isdetail = 1;
1330
1331                     rrddim_add(st, "InErrs", NULL, 1, 1, RRDDIM_INCREMENTAL);
1332                     rrddim_add(st, "InCsumErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
1333                     rrddim_add(st, "RetransSegs", NULL, -1, 1, RRDDIM_INCREMENTAL);
1334                 } else
1335                     rrdset_next(st);
1336
1337                 rrddim_set(st, "InErrs", tcpstat.tcps_rcvbadoff + tcpstat.tcps_rcvreassfull + tcpstat.tcps_rcvshort);
1338                 rrddim_set(st, "InCsumErrors", tcpstat.tcps_rcvbadsum);
1339                 rrddim_set(st, "RetransSegs", tcpstat.tcps_sndrexmitpack);
1340                 rrdset_done(st);
1341             }
1342
1343             // --------------------------------------------------------------------
1344
1345             if (likely(do_tcp_handshake)) {
1346                 st = rrdset_find("ipv4.tcphandshake");
1347                 if (unlikely(!st)) {
1348                     st = rrdset_create("ipv4", "tcphandshake", NULL, "tcp", NULL,
1349                                        "IPv4 TCP Handshake Issues",
1350                                        "events/s", 2900, update_every, RRDSET_TYPE_LINE);
1351                     st->isdetail = 1;
1352
1353                     rrddim_add(st, "EstabResets", NULL, 1, 1, RRDDIM_INCREMENTAL);
1354                     rrddim_add(st, "ActiveOpens", NULL, 1, 1, RRDDIM_INCREMENTAL);
1355                     rrddim_add(st, "PassiveOpens", NULL, 1, 1, RRDDIM_INCREMENTAL);
1356                     rrddim_add(st, "AttemptFails", NULL, 1, 1, RRDDIM_INCREMENTAL);
1357                 } else
1358                     rrdset_next(st);
1359
1360                 rrddim_set(st, "EstabResets", tcpstat.tcps_drops);
1361                 rrddim_set(st, "ActiveOpens", tcpstat.tcps_connattempt);
1362                 rrddim_set(st, "PassiveOpens", tcpstat.tcps_accepts);
1363                 rrddim_set(st, "AttemptFails", tcpstat.tcps_conndrops);
1364                 rrdset_done(st);
1365             }
1366
1367             // --------------------------------------------------------------------
1368
1369             if (do_tcpext_connaborts == CONFIG_ONDEMAND_YES || (do_tcpext_connaborts == CONFIG_ONDEMAND_ONDEMAND && (tcpstat.tcps_rcvpackafterwin || tcpstat.tcps_rcvafterclose || tcpstat.tcps_rcvmemdrop || tcpstat.tcps_persistdrop || tcpstat.tcps_finwait2_drops))) {
1370                 do_tcpext_connaborts = CONFIG_ONDEMAND_YES;
1371                 st = rrdset_find("ipv4.tcpconnaborts");
1372                 if (unlikely(!st)) {
1373                     st = rrdset_create("ipv4", "tcpconnaborts", NULL, "tcp", NULL, "TCP Connection Aborts", "connections/s", 3010, update_every, RRDSET_TYPE_LINE);
1374
1375                     rrddim_add(st, "TCPAbortOnData",    "baddata",     1, 1, RRDDIM_INCREMENTAL);
1376                     rrddim_add(st, "TCPAbortOnClose",   "userclosed",  1, 1, RRDDIM_INCREMENTAL);
1377                     rrddim_add(st, "TCPAbortOnMemory",  "nomemory",    1, 1, RRDDIM_INCREMENTAL);
1378                     rrddim_add(st, "TCPAbortOnTimeout", "timeout",     1, 1, RRDDIM_INCREMENTAL);
1379                     rrddim_add(st, "TCPAbortOnLinger",  "linger",      1, 1, RRDDIM_INCREMENTAL);
1380                 }
1381                 else rrdset_next(st);
1382
1383                 rrddim_set(st, "TCPAbortOnData",    tcpstat.tcps_rcvpackafterwin);
1384                 rrddim_set(st, "TCPAbortOnClose",   tcpstat.tcps_rcvafterclose);
1385                 rrddim_set(st, "TCPAbortOnMemory",  tcpstat.tcps_rcvmemdrop);
1386                 rrddim_set(st, "TCPAbortOnTimeout", tcpstat.tcps_persistdrop);
1387                 rrddim_set(st, "TCPAbortOnLinger",  tcpstat.tcps_finwait2_drops);
1388                 rrdset_done(st);
1389             }
1390
1391             // --------------------------------------------------------------------
1392
1393             if (do_tcpext_ofo == CONFIG_ONDEMAND_YES || (do_tcpext_ofo == CONFIG_ONDEMAND_ONDEMAND && tcpstat.tcps_rcvoopack)) {
1394                 do_tcpext_ofo = CONFIG_ONDEMAND_YES;
1395                 st = rrdset_find("ipv4.tcpofo");
1396                 if (unlikely(!st)) {
1397                     st = rrdset_create("ipv4", "tcpofo", NULL, "tcp", NULL, "TCP Out-Of-Order Queue", "packets/s", 3050, update_every, RRDSET_TYPE_LINE);
1398
1399                     rrddim_add(st, "TCPOFOQueue", "inqueue",  1, 1, RRDDIM_INCREMENTAL);
1400                 }
1401                 else rrdset_next(st);
1402
1403                 rrddim_set(st, "TCPOFOQueue",   tcpstat.tcps_rcvoopack);
1404                 rrdset_done(st);
1405             }
1406
1407             // --------------------------------------------------------------------
1408
1409             if (do_tcpext_syscookies == CONFIG_ONDEMAND_YES || (do_tcpext_syscookies == CONFIG_ONDEMAND_ONDEMAND && (tcpstat.tcps_sc_sendcookie || tcpstat.tcps_sc_recvcookie || tcpstat.tcps_sc_zonefail))) {
1410                 do_tcpext_syscookies = CONFIG_ONDEMAND_YES;
1411
1412                 st = rrdset_find("ipv4.tcpsyncookies");
1413                 if (unlikely(!st)) {
1414                     st = rrdset_create("ipv4", "tcpsyncookies", NULL, "tcp", NULL, "TCP SYN Cookies", "packets/s", 3100, update_every, RRDSET_TYPE_LINE);
1415
1416                     rrddim_add(st, "SyncookiesRecv",   "received",  1, 1, RRDDIM_INCREMENTAL);
1417                     rrddim_add(st, "SyncookiesSent",   "sent",     -1, 1, RRDDIM_INCREMENTAL);
1418                     rrddim_add(st, "SyncookiesFailed", "failed",   -1, 1, RRDDIM_INCREMENTAL);
1419                 }
1420                 else rrdset_next(st);
1421
1422                 rrddim_set(st, "SyncookiesRecv",   tcpstat.tcps_sc_recvcookie);
1423                 rrddim_set(st, "SyncookiesSent",   tcpstat.tcps_sc_sendcookie);
1424                 rrddim_set(st, "SyncookiesFailed", tcpstat.tcps_sc_zonefail);
1425                 rrdset_done(st);
1426             }
1427
1428             // --------------------------------------------------------------------
1429
1430             if (do_ecn == CONFIG_ONDEMAND_YES || (do_ecn == CONFIG_ONDEMAND_ONDEMAND && (tcpstat.tcps_ecn_ce || tcpstat.tcps_ecn_ect0 || tcpstat.tcps_ecn_ect1))) {
1431                 do_ecn = CONFIG_ONDEMAND_YES;
1432                 st = rrdset_find("ipv4.ecnpkts");
1433                 if (unlikely(!st)) {
1434                     st = rrdset_create("ipv4", "ecnpkts", NULL, "ecn", NULL, "IPv4 ECN Statistics", "packets/s", 8700, update_every, RRDSET_TYPE_LINE);
1435                     st->isdetail = 1;
1436
1437                     rrddim_add(st, "InCEPkts", "CEP", 1, 1, RRDDIM_INCREMENTAL);
1438                     rrddim_add(st, "InNoECTPkts", "NoECTP", -1, 1, RRDDIM_INCREMENTAL);
1439                     rrddim_add(st, "InECT0Pkts", "ECTP0", 1, 1, RRDDIM_INCREMENTAL);
1440                     rrddim_add(st, "InECT1Pkts", "ECTP1", 1, 1, RRDDIM_INCREMENTAL);
1441                 }
1442                 else rrdset_next(st);
1443
1444                 rrddim_set(st, "InCEPkts", tcpstat.tcps_ecn_ce);
1445                 rrddim_set(st, "InNoECTPkts", tcpstat.tcps_ecn_ce - (tcpstat.tcps_ecn_ect0 + tcpstat.tcps_ecn_ect1));
1446                 rrddim_set(st, "InECT0Pkts", tcpstat.tcps_ecn_ect0);
1447                 rrddim_set(st, "InECT1Pkts", tcpstat.tcps_ecn_ect1);
1448                 rrdset_done(st);
1449             }
1450
1451         }
1452     }
1453
1454     // --------------------------------------------------------------------
1455
1456     // see http://net-snmp.sourceforge.net/docs/mibs/udp.html
1457     if (likely(do_udp_packets || do_udp_errors)) {
1458         if (unlikely(GETSYSCTL("net.inet.udp.stats", udpstat))) {
1459             do_udp_packets = 0;
1460             error("DISABLED: ipv4.udppackets");
1461             do_udp_errors = 0;
1462             error("DISABLED: ipv4.udperrors");
1463         } else {
1464             if (likely(do_udp_packets)) {
1465                 st = rrdset_find("ipv4.udppackets");
1466                 if (unlikely(!st)) {
1467                     st = rrdset_create("ipv4", "udppackets", NULL, "udp", NULL, "IPv4 UDP Packets",
1468                                        "packets/s", 2601, update_every, RRDSET_TYPE_LINE);
1469
1470                     rrddim_add(st, "InDatagrams", "received", 1, 1, RRDDIM_INCREMENTAL);
1471                     rrddim_add(st, "OutDatagrams", "sent", -1, 1, RRDDIM_INCREMENTAL);
1472                 } else
1473                     rrdset_next(st);
1474
1475                 rrddim_set(st, "InDatagrams", udpstat.udps_ipackets);
1476                 rrddim_set(st, "OutDatagrams", udpstat.udps_opackets);
1477                 rrdset_done(st);
1478             }
1479
1480             // --------------------------------------------------------------------
1481
1482             if (likely(do_udp_errors)) {
1483                 st = rrdset_find("ipv4.udperrors");
1484                 if (unlikely(!st)) {
1485                     st = rrdset_create("ipv4", "udperrors", NULL, "udp", NULL, "IPv4 UDP Errors", "events/s",
1486                                        2701, update_every, RRDSET_TYPE_LINE);
1487                     st->isdetail = 1;
1488
1489                     rrddim_add(st, "RcvbufErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
1490                     rrddim_add(st, "InErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
1491                     rrddim_add(st, "NoPorts", NULL, 1, 1, RRDDIM_INCREMENTAL);
1492                     rrddim_add(st, "InCsumErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
1493                     rrddim_add(st, "IgnoredMulti", NULL, 1, 1, RRDDIM_INCREMENTAL);
1494                 } else
1495                     rrdset_next(st);
1496
1497                 rrddim_set(st, "InErrors", udpstat.udps_hdrops + udpstat.udps_badlen);
1498                 rrddim_set(st, "NoPorts", udpstat.udps_noport);
1499                 rrddim_set(st, "RcvbufErrors", udpstat.udps_fullsock);
1500                 rrddim_set(st, "InCsumErrors", udpstat.udps_badsum + udpstat.udps_nosum);
1501                 rrddim_set(st, "IgnoredMulti", udpstat.udps_filtermcast);
1502                 rrdset_done(st);
1503             }
1504         }
1505     }
1506
1507     // --------------------------------------------------------------------
1508
1509     if (likely(do_icmp_packets || do_icmpmsg)) {
1510         if (unlikely(GETSYSCTL("net.inet.icmp.stats", icmpstat))) {
1511             do_icmp_packets = 0;
1512             error("DISABLED: ipv4.icmp");
1513             error("DISABLED: ipv4.icmp_errors");
1514             do_icmpmsg = 0;
1515             error("DISABLED: ipv4.icmpmsg");
1516         } else {
1517             for (i = 0; i <= ICMP_MAXTYPE; i++) {
1518                 icmp_total.msgs_in += icmpstat.icps_inhist[i];
1519                 icmp_total.msgs_out += icmpstat.icps_outhist[i];
1520             }
1521             icmp_total.msgs_in += icmpstat.icps_badcode + icmpstat.icps_badlen + icmpstat.icps_checksum + icmpstat.icps_tooshort;
1522
1523             // --------------------------------------------------------------------
1524
1525             if (likely(do_icmp_packets)) {
1526                 st = rrdset_find("ipv4.icmp");
1527                 if (unlikely(!st)) {
1528                     st = rrdset_create("ipv4", "icmp", NULL, "icmp", NULL, "IPv4 ICMP Packets", "packets/s",
1529                                        2602,
1530                                        update_every, RRDSET_TYPE_LINE);
1531
1532                     rrddim_add(st, "InMsgs", "received", 1, 1, RRDDIM_INCREMENTAL);
1533                     rrddim_add(st, "OutMsgs", "sent", -1, 1, RRDDIM_INCREMENTAL);
1534                 } else
1535                     rrdset_next(st);
1536
1537                 rrddim_set(st, "InMsgs", icmp_total.msgs_in);
1538                 rrddim_set(st, "OutMsgs", icmp_total.msgs_out);
1539
1540                 rrdset_done(st);
1541
1542                 // --------------------------------------------------------------------
1543
1544                 st = rrdset_find("ipv4.icmp_errors");
1545                 if (unlikely(!st)) {
1546                     st = rrdset_create("ipv4", "icmp_errors", NULL, "icmp", NULL, "IPv4 ICMP Errors",
1547                                        "packets/s",
1548                                        2603, update_every, RRDSET_TYPE_LINE);
1549
1550                     rrddim_add(st, "InErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
1551                     rrddim_add(st, "OutErrors", NULL, -1, 1, RRDDIM_INCREMENTAL);
1552                     rrddim_add(st, "InCsumErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
1553                 } else
1554                     rrdset_next(st);
1555
1556                 rrddim_set(st, "InErrors", icmpstat.icps_badcode + icmpstat.icps_badlen + icmpstat.icps_checksum + icmpstat.icps_tooshort);
1557                 rrddim_set(st, "OutErrors", icmpstat.icps_error);
1558                 rrddim_set(st, "InCsumErrors", icmpstat.icps_checksum);
1559
1560                 rrdset_done(st);
1561             }
1562
1563             // --------------------------------------------------------------------
1564
1565             if (likely(do_icmpmsg)) {
1566                 st = rrdset_find("ipv4.icmpmsg");
1567                 if (unlikely(!st)) {
1568                     st = rrdset_create("ipv4", "icmpmsg", NULL, "icmp", NULL, "IPv4 ICMP Messsages",
1569                                        "packets/s", 2604, update_every, RRDSET_TYPE_LINE);
1570
1571                     rrddim_add(st, "InEchoReps", NULL, 1, 1, RRDDIM_INCREMENTAL);
1572                     rrddim_add(st, "OutEchoReps", NULL, -1, 1, RRDDIM_INCREMENTAL);
1573                     rrddim_add(st, "InEchos", NULL, 1, 1, RRDDIM_INCREMENTAL);
1574                     rrddim_add(st, "OutEchos", NULL, -1, 1, RRDDIM_INCREMENTAL);
1575                 } else
1576                     rrdset_next(st);
1577
1578                     rrddim_set(st, "InEchoReps", icmpstat.icps_inhist[ICMP_ECHOREPLY]);
1579                     rrddim_set(st, "OutEchoReps", icmpstat.icps_outhist[ICMP_ECHOREPLY]);
1580                     rrddim_set(st, "InEchos", icmpstat.icps_inhist[ICMP_ECHO]);
1581                     rrddim_set(st, "OutEchos", icmpstat.icps_outhist[ICMP_ECHO]);
1582
1583                 rrdset_done(st);
1584             }
1585         }
1586     }
1587
1588     return 0;
1589 }