| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | #include "libnetdata/libnetdata.h" |
| 4 | |
| 5 | #include <xenstat.h> |
| 6 | #include <libxl.h> |
| 7 | |
| 8 | #define PLUGIN_XENSTAT_NAME "xenstat.plugin" |
| 9 | |
| 10 | #define NETDATA_CHART_PRIO_XENSTAT_NODE_CPUS 30001 |
| 11 | #define NETDATA_CHART_PRIO_XENSTAT_NODE_CPU_FREQ 30002 |
| 12 | #define NETDATA_CHART_PRIO_XENSTAT_NODE_MEM 30003 |
| 13 | #define NETDATA_CHART_PRIO_XENSTAT_NODE_TMEM 30004 |
| 14 | #define NETDATA_CHART_PRIO_XENSTAT_NODE_DOMAINS 30005 |
| 15 | |
| 16 | #define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_STATES 30101 |
| 17 | #define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_CPU 30102 |
| 18 | #define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_VCPU 30103 |
| 19 | #define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_MEM 30104 |
| 20 | |
| 21 | #define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_TMEM_PAGES 30104 |
| 22 | #define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_TMEM_OPERATIONS 30105 |
| 23 | |
| 24 | #define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_VBD_OO_REQ 30200 |
| 25 | #define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_VBD_REQUESTS 30300 |
| 26 | #define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_VBD_SECTORS 30400 |
| 27 | |
| 28 | #define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_NET_BYTES 30500 |
| 29 | #define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_NET_PACKETS 30600 |
| 30 | #define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_NET_ERRORS 30700 |
| 31 | #define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_NET_DROPS 30800 |
| 32 | |
| 33 | #define TYPE_LENGTH_MAX 200 |
| 34 | |
| 35 | #define CHART_IS_OBSOLETE 1 |
| 36 | #define CHART_IS_NOT_OBSOLETE 0 |
| 37 | |
| 38 | // Variables |
| 39 | static int debug = 0; |
| 40 | static int netdata_update_every = 1; |
| 41 | |
| 42 | struct vcpu_metrics { |
| 43 | unsigned int id; |
| 44 | |
| 45 | unsigned int online; |
| 46 | unsigned long long ns; |
| 47 | |
| 48 | int chart_generated; |
| 49 | int updated; |
| 50 | |
| 51 | struct vcpu_metrics *next; |
| 52 | }; |
| 53 | |
| 54 | struct vbd_metrics { |
| 55 | unsigned int id; |
| 56 | |
| 57 | unsigned int error; |
| 58 | unsigned long long oo_reqs; |
| 59 | unsigned long long rd_reqs; |
| 60 | unsigned long long wr_reqs; |
| 61 | unsigned long long rd_sects; |
| 62 | unsigned long long wr_sects; |
| 63 | |
| 64 | int oo_req_chart_generated; |
| 65 | int requests_chart_generated; |
| 66 | int sectors_chart_generated; |
| 67 | int updated; |
| 68 | |
| 69 | struct vbd_metrics *next; |
| 70 | }; |
| 71 | |
| 72 | struct network_metrics { |
| 73 | unsigned int id; |
| 74 | |
| 75 | unsigned long long rbytes; |
| 76 | unsigned long long rpackets; |
| 77 | unsigned long long rerrs; |
| 78 | unsigned long long rdrops; |
| 79 | |
| 80 | unsigned long long tbytes; |
| 81 | unsigned long long tpackets; |
| 82 | unsigned long long terrs; |
| 83 | unsigned long long tdrops; |
| 84 | |
| 85 | int bytes_chart_generated; |
| 86 | int packets_chart_generated; |
| 87 | int errors_chart_generated; |
| 88 | int drops_chart_generated; |
| 89 | int updated; |
| 90 | |
| 91 | struct network_metrics *next; |
| 92 | }; |
| 93 | |
| 94 | struct domain_metrics { |
| 95 | char *uuid; |
| 96 | uint32_t hash; |
| 97 | |
| 98 | unsigned int id; |
| 99 | char *name; |
| 100 | |
| 101 | // states |
| 102 | unsigned int running; |
| 103 | unsigned int blocked; |
| 104 | unsigned int paused; |
| 105 | unsigned int shutdown; |
| 106 | unsigned int crashed; |
| 107 | unsigned int dying; |
| 108 | unsigned int cur_vcpus; |
| 109 | |
| 110 | unsigned long long cpu_ns; |
| 111 | unsigned long long cur_mem; |
| 112 | unsigned long long max_mem; |
| 113 | |
| 114 | struct vcpu_metrics *vcpu_root; |
| 115 | struct vbd_metrics *vbd_root; |
| 116 | struct network_metrics *network_root; |
| 117 | |
| 118 | int states_chart_generated; |
| 119 | int cpu_chart_generated; |
| 120 | int vcpu_chart_generated; |
| 121 | int num_vcpus_changed; |
| 122 | int mem_chart_generated; |
| 123 | int updated; |
| 124 | |
| 125 | struct domain_metrics *next; |
| 126 | }; |
| 127 | |
| 128 | struct node_metrics{ |
| 129 | unsigned long long tot_mem; |
| 130 | unsigned long long free_mem; |
| 131 | int num_domains; |
| 132 | unsigned int num_cpus; |
| 133 | unsigned long long node_cpu_hz; |
| 134 | |
| 135 | struct domain_metrics *domain_root; |
| 136 | }; |
| 137 | |
| 138 | static struct node_metrics node_metrics = { |
| 139 | .domain_root = NULL |
| 140 | }; |
| 141 | |
| 142 | static inline struct domain_metrics *domain_metrics_get(const char *uuid, uint32_t hash) { |
| 143 | struct domain_metrics *d = NULL, *last = NULL; |
| 144 | for(d = node_metrics.domain_root; d ; last = d, d = d->next) { |
| 145 | if(unlikely(d->hash == hash && !strcmp(d->uuid, uuid))) |
| 146 | return d; |
| 147 | } |
| 148 | |
| 149 | if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: allocating memory for domain with uuid %s\n", uuid); |
| 150 | |
| 151 | d = callocz(1, sizeof(struct domain_metrics)); |
| 152 | d->uuid = strdupz(uuid); |
| 153 | d->hash = hash; |
| 154 | |
| 155 | if(unlikely(!last)) { |
| 156 | d->next = node_metrics.domain_root; |
| 157 | node_metrics.domain_root = d; |
| 158 | } |
| 159 | else { |
| 160 | d->next = last->next; |
| 161 | last->next = d; |
| 162 | } |
| 163 | |
| 164 | return d; |
| 165 | } |
| 166 | |
| 167 | static struct domain_metrics *domain_metrics_free(struct domain_metrics *d) { |
| 168 | struct domain_metrics *cur = NULL, *last = NULL; |
| 169 | struct vcpu_metrics *vcpu, *vcpu_f; |
| 170 | struct vbd_metrics *vbd, *vbd_f; |
| 171 | struct network_metrics *network, *network_f; |
| 172 | |
| 173 | if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: freeing memory for domain '%s' id %u, uuid %s\n", d->name, d->id, d->uuid); |
| 174 | |
| 175 | for(cur = node_metrics.domain_root; cur ; last = cur, cur = cur->next) { |
| 176 | if(unlikely(cur->hash == d->hash && !strcmp(cur->uuid, d->uuid))) break; |
| 177 | } |
| 178 | |
| 179 | if(unlikely(!cur)) { |
| 180 | netdata_log_error("XENSTAT: failed to free domain metrics."); |
| 181 | return NULL; |
| 182 | } |
| 183 | |
| 184 | if(likely(last)) |
| 185 | last->next = cur->next; |
| 186 | else |
| 187 | node_metrics.domain_root = NULL; |
| 188 | |
| 189 | freez(cur->uuid); |
| 190 | freez(cur->name); |
| 191 | |
| 192 | vcpu = cur->vcpu_root; |
| 193 | while(vcpu) { |
| 194 | vcpu_f = vcpu; |
| 195 | vcpu = vcpu->next; |
| 196 | freez(vcpu_f); |
| 197 | } |
| 198 | |
| 199 | vbd = cur->vbd_root; |
| 200 | while(vbd) { |
| 201 | vbd_f = vbd; |
| 202 | vbd = vbd->next; |
| 203 | freez(vbd_f); |
| 204 | } |
| 205 | |
| 206 | network = cur->network_root; |
| 207 | while(network) { |
| 208 | network_f = network; |
| 209 | network = network->next; |
| 210 | freez(network_f); |
| 211 | } |
| 212 | |
| 213 | freez(cur); |
| 214 | |
| 215 | return last ? last : NULL; |
| 216 | } |
| 217 | |
| 218 | static int vcpu_metrics_collect(struct domain_metrics *d, xenstat_domain *domain) { |
| 219 | unsigned int num_vcpus = 0; |
| 220 | xenstat_vcpu *vcpu = NULL; |
| 221 | struct vcpu_metrics *vcpu_m = NULL, *last_vcpu_m = NULL; |
| 222 | |
| 223 | num_vcpus = xenstat_domain_num_vcpus(domain); |
| 224 | |
| 225 | for(vcpu_m = d->vcpu_root; vcpu_m ; vcpu_m = vcpu_m->next) |
| 226 | vcpu_m->updated = 0; |
| 227 | |
| 228 | vcpu_m = d->vcpu_root; |
| 229 | |
| 230 | unsigned int i, num_online_vcpus=0; |
| 231 | for(i = 0; i < num_vcpus; i++) { |
| 232 | if(unlikely(!vcpu_m)) { |
| 233 | vcpu_m = callocz(1, sizeof(struct vcpu_metrics)); |
| 234 | |
| 235 | if(unlikely(i == 0)) d->vcpu_root = vcpu_m; |
| 236 | else last_vcpu_m->next = vcpu_m; |
| 237 | } |
| 238 | |
| 239 | vcpu_m->id = i; |
| 240 | |
| 241 | vcpu = xenstat_domain_vcpu(domain, i); |
| 242 | |
| 243 | if(unlikely(!vcpu)) { |
| 244 | netdata_log_error("XENSTAT: cannot get VCPU statistics."); |
| 245 | return 1; |
| 246 | } |
| 247 | |
| 248 | vcpu_m->online = xenstat_vcpu_online(vcpu); |
| 249 | if(likely(vcpu_m->online)) { num_online_vcpus++; } |
| 250 | vcpu_m->ns = xenstat_vcpu_ns(vcpu); |
| 251 | |
| 252 | vcpu_m->updated = 1; |
| 253 | |
| 254 | last_vcpu_m = vcpu_m; |
| 255 | vcpu_m = vcpu_m->next; |
| 256 | } |
| 257 | |
| 258 | if(unlikely(num_online_vcpus != d->cur_vcpus)) { |
| 259 | d->num_vcpus_changed = 1; |
| 260 | d->cur_vcpus = num_online_vcpus; |
| 261 | } |
| 262 | |
| 263 | return 0; |
| 264 | } |
| 265 | |
| 266 | static int vbd_metrics_collect(struct domain_metrics *d, xenstat_domain *domain) { |
| 267 | unsigned int num_vbds = xenstat_domain_num_vbds(domain); |
| 268 | xenstat_vbd *vbd = NULL; |
| 269 | struct vbd_metrics *vbd_m = NULL, *last_vbd_m = NULL; |
| 270 | |
| 271 | for(vbd_m = d->vbd_root; vbd_m ; vbd_m = vbd_m->next) |
| 272 | vbd_m->updated = 0; |
| 273 | |
| 274 | vbd_m = d->vbd_root; |
| 275 | |
| 276 | unsigned int i; |
| 277 | for(i = 0; i < num_vbds; i++) { |
| 278 | if(unlikely(!vbd_m)) { |
| 279 | vbd_m = callocz(1, sizeof(struct vbd_metrics)); |
| 280 | |
| 281 | if(unlikely(i == 0)) d->vbd_root = vbd_m; |
| 282 | else last_vbd_m->next = vbd_m; |
| 283 | } |
| 284 | |
| 285 | vbd_m->id = i; |
| 286 | |
| 287 | vbd = xenstat_domain_vbd(domain, i); |
| 288 | |
| 289 | if(unlikely(!vbd)) { |
| 290 | netdata_log_error("XENSTAT: cannot get VBD statistics."); |
| 291 | return 1; |
| 292 | } |
| 293 | |
| 294 | #ifdef HAVE_XENSTAT_VBD_ERROR |
| 295 | vbd_m->error = xenstat_vbd_error(vbd); |
| 296 | #else |
| 297 | vbd_m->error = 0; |
| 298 | #endif |
| 299 | vbd_m->oo_reqs = xenstat_vbd_oo_reqs(vbd); |
| 300 | vbd_m->rd_reqs = xenstat_vbd_rd_reqs(vbd); |
| 301 | vbd_m->wr_reqs = xenstat_vbd_wr_reqs(vbd); |
| 302 | vbd_m->rd_sects = xenstat_vbd_rd_sects(vbd); |
| 303 | vbd_m->wr_sects = xenstat_vbd_wr_sects(vbd); |
| 304 | |
| 305 | vbd_m->updated = 1; |
| 306 | |
| 307 | last_vbd_m = vbd_m; |
| 308 | vbd_m = vbd_m->next; |
| 309 | } |
| 310 | |
| 311 | return 0; |
| 312 | } |
| 313 | |
| 314 | static int network_metrics_collect(struct domain_metrics *d, xenstat_domain *domain) { |
| 315 | unsigned int num_networks = xenstat_domain_num_networks(domain); |
| 316 | xenstat_network *network = NULL; |
| 317 | struct network_metrics *network_m = NULL, *last_network_m = NULL; |
| 318 | |
| 319 | for(network_m = d->network_root; network_m ; network_m = network_m->next) |
| 320 | network_m->updated = 0; |
| 321 | |
| 322 | network_m = d->network_root; |
| 323 | |
| 324 | unsigned int i; |
| 325 | for(i = 0; i < num_networks; i++) { |
| 326 | if(unlikely(!network_m)) { |
| 327 | network_m = callocz(1, sizeof(struct network_metrics)); |
| 328 | |
| 329 | if(unlikely(i == 0)) d->network_root = network_m; |
| 330 | else last_network_m->next = network_m; |
| 331 | } |
| 332 | |
| 333 | network_m->id = i; |
| 334 | |
| 335 | network = xenstat_domain_network(domain, i); |
| 336 | |
| 337 | if(unlikely(!network)) { |
| 338 | netdata_log_error("XENSTAT: cannot get network statistics."); |
| 339 | return 1; |
| 340 | } |
| 341 | |
| 342 | network_m->rbytes = xenstat_network_rbytes(network); |
| 343 | network_m->rpackets = xenstat_network_rpackets(network); |
| 344 | network_m->rerrs = xenstat_network_rerrs(network); |
| 345 | network_m->rdrops = xenstat_network_rdrop(network); |
| 346 | |
| 347 | network_m->tbytes = xenstat_network_tbytes(network); |
| 348 | network_m->tpackets = xenstat_network_tpackets(network); |
| 349 | network_m->terrs = xenstat_network_terrs(network); |
| 350 | network_m->tdrops = xenstat_network_tdrop(network); |
| 351 | |
| 352 | network_m->updated = 1; |
| 353 | |
| 354 | last_network_m = network_m; |
| 355 | network_m = network_m->next; |
| 356 | } |
| 357 | |
| 358 | return 0; |
| 359 | } |
| 360 | |
| 361 | static int xenstat_collect(xenstat_handle *xhandle, libxl_ctx *ctx, libxl_dominfo *info) { |
| 362 | |
| 363 | // mark all old metrics as not-updated |
| 364 | struct domain_metrics *d; |
| 365 | for(d = node_metrics.domain_root; d ; d = d->next) |
| 366 | d->updated = 0; |
| 367 | |
| 368 | xenstat_node *node = xenstat_get_node(xhandle, XENSTAT_ALL); |
| 369 | if (unlikely(!node)) { |
| 370 | netdata_log_error("XENSTAT: failed to retrieve statistics from libxenstat."); |
| 371 | return 1; |
| 372 | } |
| 373 | |
| 374 | node_metrics.tot_mem = xenstat_node_tot_mem(node); |
| 375 | node_metrics.free_mem = xenstat_node_free_mem(node); |
| 376 | node_metrics.num_domains = xenstat_node_num_domains(node); |
| 377 | node_metrics.num_cpus = xenstat_node_num_cpus(node); |
| 378 | node_metrics.node_cpu_hz = xenstat_node_cpu_hz(node); |
| 379 | |
| 380 | int i; |
| 381 | for(i = 0; i < node_metrics.num_domains; i++) { |
| 382 | xenstat_domain *domain = NULL; |
| 383 | char uuid[LIBXL_UUID_FMTLEN + 1]; |
| 384 | |
| 385 | domain = xenstat_node_domain_by_index(node, i); |
| 386 | |
| 387 | // get domain UUID |
| 388 | unsigned int id = xenstat_domain_id(domain); |
| 389 | if(unlikely(libxl_domain_info(ctx, info, id))) { |
| 390 | netdata_log_error("XENSTAT: cannot get domain info."); |
| 391 | continue; |
| 392 | } |
| 393 | else { |
| 394 | snprintfz(uuid, LIBXL_UUID_FMTLEN, LIBXL_UUID_FMT "\n", LIBXL_UUID_BYTES(info->uuid)); |
| 395 | } |
| 396 | |
| 397 | uint32_t hash = simple_hash(uuid); |
| 398 | d = domain_metrics_get(uuid, hash); |
| 399 | |
| 400 | d->id = id; |
| 401 | if(unlikely(!d->name)) { |
| 402 | d->name = strdupz(xenstat_domain_name(domain)); |
| 403 | netdata_fix_chart_id(d->name); |
| 404 | if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: domain id %u, uuid %s has name '%s'\n", d->id, d->uuid, d->name); |
| 405 | } |
| 406 | |
| 407 | d->running = xenstat_domain_running(domain); |
| 408 | d->blocked = xenstat_domain_blocked(domain); |
| 409 | d->paused = xenstat_domain_paused(domain); |
| 410 | d->shutdown = xenstat_domain_shutdown(domain); |
| 411 | d->crashed = xenstat_domain_crashed(domain); |
| 412 | d->dying = xenstat_domain_dying(domain); |
| 413 | |
| 414 | d->cpu_ns = xenstat_domain_cpu_ns(domain); |
| 415 | d->cur_mem = xenstat_domain_cur_mem(domain); |
| 416 | d->max_mem = xenstat_domain_max_mem(domain); |
| 417 | |
| 418 | if(unlikely(vcpu_metrics_collect(d, domain) || vbd_metrics_collect(d, domain) || network_metrics_collect(d, domain))) { |
| 419 | xenstat_free_node(node); |
| 420 | return 1; |
| 421 | } |
| 422 | |
| 423 | d->updated = 1; |
| 424 | } |
| 425 | |
| 426 | xenstat_free_node(node); |
| 427 | |
| 428 | return 0; |
| 429 | } |
| 430 | |
| 431 | static void xenstat_send_node_metrics() { |
| 432 | static int mem_chart_generated = 0, domains_chart_generated = 0, cpus_chart_generated = 0, cpu_freq_chart_generated = 0; |
| 433 | |
| 434 | // ---------------------------------------------------------------- |
| 435 | |
| 436 | if(unlikely(!mem_chart_generated)) { |
| 437 | printf("CHART xenstat.mem '' 'Memory Usage' 'MiB' 'memory' '' stacked %d %d '' %s\n" |
| 438 | , NETDATA_CHART_PRIO_XENSTAT_NODE_MEM |
| 439 | , netdata_update_every |
| 440 | , PLUGIN_XENSTAT_NAME |
| 441 | ); |
| 442 | printf("DIMENSION %s '' absolute 1 %d\n", "free", netdata_update_every * 1024 * 1024); |
| 443 | printf("DIMENSION %s '' absolute 1 %d\n", "used", netdata_update_every * 1024 * 1024); |
| 444 | mem_chart_generated = 1; |
| 445 | } |
| 446 | |
| 447 | printf( |
| 448 | "BEGIN xenstat.mem\n" |
| 449 | "SET free = %lld\n" |
| 450 | "SET used = %lld\n" |
| 451 | "END\n" |
| 452 | , (collected_number) node_metrics.free_mem |
| 453 | , (collected_number) (node_metrics.tot_mem - node_metrics.free_mem) |
| 454 | ); |
| 455 | |
| 456 | // ---------------------------------------------------------------- |
| 457 | |
| 458 | if(unlikely(!domains_chart_generated)) { |
| 459 | printf("CHART xenstat.domains '' 'Number of Domains' 'domains' 'domains' '' line %d %d '' %s\n" |
| 460 | , NETDATA_CHART_PRIO_XENSTAT_NODE_DOMAINS |
| 461 | , netdata_update_every |
| 462 | , PLUGIN_XENSTAT_NAME |
| 463 | ); |
| 464 | printf("DIMENSION %s '' absolute 1 %d\n", "domains", netdata_update_every); |
| 465 | domains_chart_generated = 1; |
| 466 | } |
| 467 | |
| 468 | printf( |
| 469 | "BEGIN xenstat.domains\n" |
| 470 | "SET domains = %lld\n" |
| 471 | "END\n" |
| 472 | , (collected_number) node_metrics.num_domains |
| 473 | ); |
| 474 | |
| 475 | // ---------------------------------------------------------------- |
| 476 | |
| 477 | if(unlikely(!cpus_chart_generated)) { |
| 478 | printf("CHART xenstat.cpus '' 'Number of CPUs' 'cpus' 'cpu' '' line %d %d '' %s\n" |
| 479 | , NETDATA_CHART_PRIO_XENSTAT_NODE_CPUS |
| 480 | , netdata_update_every |
| 481 | , PLUGIN_XENSTAT_NAME |
| 482 | ); |
| 483 | printf("DIMENSION %s '' absolute 1 %d\n", "cpus", netdata_update_every); |
| 484 | cpus_chart_generated = 1; |
| 485 | } |
| 486 | |
| 487 | printf( |
| 488 | "BEGIN xenstat.cpus\n" |
| 489 | "SET cpus = %lld\n" |
| 490 | "END\n" |
| 491 | , (collected_number) node_metrics.num_cpus |
| 492 | ); |
| 493 | |
| 494 | // ---------------------------------------------------------------- |
| 495 | |
| 496 | if(unlikely(!cpu_freq_chart_generated)) { |
| 497 | printf("CHART xenstat.cpu_freq '' 'CPU Frequency' 'MHz' 'cpu' '' line %d %d '' %s\n" |
| 498 | , NETDATA_CHART_PRIO_XENSTAT_NODE_CPU_FREQ |
| 499 | , netdata_update_every |
| 500 | , PLUGIN_XENSTAT_NAME |
| 501 | ); |
| 502 | printf("DIMENSION %s '' absolute 1 %d\n", "frequency", netdata_update_every * 1024 * 1024); |
| 503 | cpu_freq_chart_generated = 1; |
| 504 | } |
| 505 | |
| 506 | printf( |
| 507 | "BEGIN xenstat.cpu_freq\n" |
| 508 | "SET frequency = %lld\n" |
| 509 | "END\n" |
| 510 | , (collected_number) node_metrics.node_cpu_hz |
| 511 | ); |
| 512 | } |
| 513 | |
| 514 | static void print_domain_states_chart_definition(char *type, int obsolete_flag) { |
| 515 | printf("CHART %s.states '' 'Domain States' 'boolean' 'states' 'xendomain.states' line %d %d %s %s\n" |
| 516 | , type |
| 517 | , NETDATA_CHART_PRIO_XENSTAT_DOMAIN_STATES |
| 518 | , netdata_update_every |
| 519 | , obsolete_flag ? "obsolete": "''" |
| 520 | , PLUGIN_XENSTAT_NAME |
| 521 | ); |
| 522 | printf("DIMENSION running '' absolute 1 %d\n", netdata_update_every); |
| 523 | printf("DIMENSION blocked '' absolute 1 %d\n", netdata_update_every); |
| 524 | printf("DIMENSION paused '' absolute 1 %d\n", netdata_update_every); |
| 525 | printf("DIMENSION shutdown '' absolute 1 %d\n", netdata_update_every); |
| 526 | printf("DIMENSION crashed '' absolute 1 %d\n", netdata_update_every); |
| 527 | printf("DIMENSION dying '' absolute 1 %d\n", netdata_update_every); |
| 528 | } |
| 529 | |
| 530 | static void print_domain_cpu_chart_definition(char *type, int obsolete_flag) { |
| 531 | printf("CHART %s.cpu '' 'CPU Usage (100%% = 1 core)' 'percentage' 'cpu' 'xendomain.cpu' line %d %d %s %s\n" |
| 532 | , type |
| 533 | , NETDATA_CHART_PRIO_XENSTAT_DOMAIN_CPU |
| 534 | , netdata_update_every |
| 535 | , obsolete_flag ? "obsolete": "''" |
| 536 | , PLUGIN_XENSTAT_NAME |
| 537 | ); |
| 538 | printf("DIMENSION used '' incremental 100 %d\n", netdata_update_every * 1000000000); |
| 539 | } |
| 540 | |
| 541 | static void print_domain_mem_chart_definition(char *type, int obsolete_flag) { |
| 542 | printf("CHART %s.mem '' 'Memory Reservation' 'MiB' 'memory' 'xendomain.mem' line %d %d %s %s\n" |
| 543 | , type |
| 544 | , NETDATA_CHART_PRIO_XENSTAT_DOMAIN_MEM |
| 545 | , netdata_update_every |
| 546 | , obsolete_flag ? "obsolete": "''" |
| 547 | , PLUGIN_XENSTAT_NAME |
| 548 | ); |
| 549 | printf("DIMENSION maximum '' absolute 1 %d\n", netdata_update_every * 1024 * 1024); |
| 550 | printf("DIMENSION current '' absolute 1 %d\n", netdata_update_every * 1024 * 1024); |
| 551 | } |
| 552 | |
| 553 | static void print_domain_vcpu_chart_definition(char *type, struct domain_metrics *d, int obsolete_flag) { |
| 554 | struct vcpu_metrics *vcpu_m; |
| 555 | |
| 556 | printf("CHART %s.vcpu '' 'CPU Usage per VCPU' 'percentage' 'cpu' 'xendomain.vcpu' line %d %d %s %s\n" |
| 557 | , type |
| 558 | , NETDATA_CHART_PRIO_XENSTAT_DOMAIN_VCPU |
| 559 | , netdata_update_every |
| 560 | , obsolete_flag ? "obsolete": "''" |
| 561 | , PLUGIN_XENSTAT_NAME |
| 562 | ); |
| 563 | |
| 564 | for(vcpu_m = d->vcpu_root; vcpu_m; vcpu_m = vcpu_m->next) { |
| 565 | if(likely(vcpu_m->updated && vcpu_m->online)) { |
| 566 | printf("DIMENSION vcpu%u '' incremental 100 %d\n", vcpu_m->id, netdata_update_every * 1000000000); |
| 567 | } |
| 568 | } |
| 569 | } |
| 570 | |
| 571 | static void print_domain_vbd_oo_chart_definition(char *type, unsigned int vbd, int obsolete_flag) { |
| 572 | printf("CHART %s.oo_req_vbd%u '' 'VBD%u \"Out Of\" Requests' 'requests/s' 'vbd' 'xendomain.oo_req_vbd' line %u %d %s %s\n" |
| 573 | , type |
| 574 | , vbd |
| 575 | , vbd |
| 576 | , NETDATA_CHART_PRIO_XENSTAT_DOMAIN_VBD_OO_REQ + vbd |
| 577 | , netdata_update_every |
| 578 | , obsolete_flag ? "obsolete": "''" |
| 579 | , PLUGIN_XENSTAT_NAME |
| 580 | ); |
| 581 | printf("DIMENSION requests '' incremental 1 %d\n", netdata_update_every); |
| 582 | } |
| 583 | |
| 584 | static void print_domain_vbd_requests_chart_definition(char *type, unsigned int vbd, int obsolete_flag) { |
| 585 | printf("CHART %s.requests_vbd%u '' 'VBD%u Requests' 'requests/s' 'vbd' 'xendomain.requests_vbd' line %u %d %s %s\n" |
| 586 | , type |
| 587 | , vbd |
| 588 | , vbd |
| 589 | , NETDATA_CHART_PRIO_XENSTAT_DOMAIN_VBD_REQUESTS + vbd |
| 590 | , netdata_update_every |
| 591 | , obsolete_flag ? "obsolete": "''" |
| 592 | , PLUGIN_XENSTAT_NAME |
| 593 | ); |
| 594 | printf("DIMENSION read '' incremental 1 %d\n", netdata_update_every); |
| 595 | printf("DIMENSION write '' incremental -1 %d\n", netdata_update_every); |
| 596 | } |
| 597 | |
| 598 | static void print_domain_vbd_sectors_chart_definition(char *type, unsigned int vbd, int obsolete_flag) { |
| 599 | printf("CHART %s.sectors_vbd%u '' 'VBD%u Read/Written Sectors' 'sectors/s' 'vbd' 'xendomain.sectors_vbd' line %u %d %s %s\n" |
| 600 | , type |
| 601 | , vbd |
| 602 | , vbd |
| 603 | , NETDATA_CHART_PRIO_XENSTAT_DOMAIN_VBD_SECTORS + vbd |
| 604 | , netdata_update_every |
| 605 | , obsolete_flag ? "obsolete": "''" |
| 606 | , PLUGIN_XENSTAT_NAME |
| 607 | ); |
| 608 | printf("DIMENSION read '' incremental 1 %d\n", netdata_update_every); |
| 609 | printf("DIMENSION write '' incremental -1 %d\n", netdata_update_every); |
| 610 | } |
| 611 | |
| 612 | static void print_domain_network_bytes_chart_definition(char *type, unsigned int network, int obsolete_flag) { |
| 613 | printf("CHART %s.bytes_network%u '' 'Network%u Received/Sent Bytes' 'kilobits/s' 'network' 'xendomain.bytes_network' line %u %d %s %s\n" |
| 614 | , type |
| 615 | , network |
| 616 | , network |
| 617 | , NETDATA_CHART_PRIO_XENSTAT_DOMAIN_NET_BYTES + network |
| 618 | , netdata_update_every |
| 619 | , obsolete_flag ? "obsolete": "''" |
| 620 | , PLUGIN_XENSTAT_NAME |
| 621 | ); |
| 622 | printf("DIMENSION received '' incremental 8 %d\n", netdata_update_every * 1000); |
| 623 | printf("DIMENSION sent '' incremental -8 %d\n", netdata_update_every * 1000); |
| 624 | } |
| 625 | |
| 626 | static void print_domain_network_packets_chart_definition(char *type, unsigned int network, int obsolete_flag) { |
| 627 | printf("CHART %s.packets_network%u '' 'Network%u Received/Sent Packets' 'packets/s' 'network' 'xendomain.packets_network' line %u %d %s %s\n" |
| 628 | , type |
| 629 | , network |
| 630 | , network |
| 631 | , NETDATA_CHART_PRIO_XENSTAT_DOMAIN_NET_PACKETS + network |
| 632 | , netdata_update_every |
| 633 | , obsolete_flag ? "obsolete": "''" |
| 634 | , PLUGIN_XENSTAT_NAME |
| 635 | ); |
| 636 | printf("DIMENSION received '' incremental 1 %d\n", netdata_update_every); |
| 637 | printf("DIMENSION sent '' incremental -1 %d\n", netdata_update_every); |
| 638 | } |
| 639 | |
| 640 | static void print_domain_network_errors_chart_definition(char *type, unsigned int network, int obsolete_flag) { |
| 641 | printf("CHART %s.errors_network%u '' 'Network%u Receive/Transmit Errors' 'errors/s' 'network' 'xendomain.errors_network' line %u %d %s %s\n" |
| 642 | , type |
| 643 | , network |
| 644 | , network |
| 645 | , NETDATA_CHART_PRIO_XENSTAT_DOMAIN_NET_PACKETS + network |
| 646 | , netdata_update_every |
| 647 | , obsolete_flag ? "obsolete": "''" |
| 648 | , PLUGIN_XENSTAT_NAME |
| 649 | ); |
| 650 | printf("DIMENSION received '' incremental 1 %d\n", netdata_update_every); |
| 651 | printf("DIMENSION sent '' incremental -1 %d\n", netdata_update_every); |
| 652 | } |
| 653 | |
| 654 | static void print_domain_network_drops_chart_definition(char *type, unsigned int network, int obsolete_flag) { |
| 655 | printf("CHART %s.drops_network%u '' 'Network%u Receive/Transmit Drops' 'drops/s' 'network' 'xendomain.drops_network' line %u %d %s %s\n" |
| 656 | , type |
| 657 | , network |
| 658 | , network |
| 659 | , NETDATA_CHART_PRIO_XENSTAT_DOMAIN_NET_PACKETS + network |
| 660 | , netdata_update_every |
| 661 | , obsolete_flag ? "obsolete": "''" |
| 662 | , PLUGIN_XENSTAT_NAME |
| 663 | ); |
| 664 | printf("DIMENSION received '' incremental 1 %d\n", netdata_update_every); |
| 665 | printf("DIMENSION sent '' incremental -1 %d\n", netdata_update_every); |
| 666 | } |
| 667 | |
| 668 | static void xenstat_send_domain_metrics() { |
| 669 | |
| 670 | if(unlikely(!node_metrics.domain_root)) return; |
| 671 | struct domain_metrics *d; |
| 672 | |
| 673 | for(d = node_metrics.domain_root; d; d = d->next) { |
| 674 | char type[TYPE_LENGTH_MAX + 1]; |
| 675 | snprintfz(type, TYPE_LENGTH_MAX, "xendomain_%s_%s", d->name, d->uuid); |
| 676 | |
| 677 | if(likely(d->updated)) { |
| 678 | |
| 679 | // ---------------------------------------------------------------- |
| 680 | |
| 681 | if(unlikely(!d->states_chart_generated)) { |
| 682 | print_domain_states_chart_definition(type, CHART_IS_NOT_OBSOLETE); |
| 683 | d->states_chart_generated = 1; |
| 684 | } |
| 685 | printf( |
| 686 | "BEGIN %s.states\n" |
| 687 | "SET running = %lld\n" |
| 688 | "SET blocked = %lld\n" |
| 689 | "SET paused = %lld\n" |
| 690 | "SET shutdown = %lld\n" |
| 691 | "SET crashed = %lld\n" |
| 692 | "SET dying = %lld\n" |
| 693 | "END\n" |
| 694 | , type |
| 695 | , (collected_number)d->running |
| 696 | , (collected_number)d->blocked |
| 697 | , (collected_number)d->paused |
| 698 | , (collected_number)d->shutdown |
| 699 | , (collected_number)d->crashed |
| 700 | , (collected_number)d->dying |
| 701 | ); |
| 702 | |
| 703 | // ---------------------------------------------------------------- |
| 704 | |
| 705 | if(unlikely(!d->cpu_chart_generated)) { |
| 706 | print_domain_cpu_chart_definition(type, CHART_IS_NOT_OBSOLETE); |
| 707 | d->cpu_chart_generated = 1; |
| 708 | } |
| 709 | printf( |
| 710 | "BEGIN %s.cpu\n" |
| 711 | "SET used = %lld\n" |
| 712 | "END\n" |
| 713 | , type |
| 714 | , (collected_number)d->cpu_ns |
| 715 | ); |
| 716 | |
| 717 | // ---------------------------------------------------------------- |
| 718 | |
| 719 | struct vcpu_metrics *vcpu_m; |
| 720 | |
| 721 | if(unlikely(!d->vcpu_chart_generated || d->num_vcpus_changed)) { |
| 722 | print_domain_vcpu_chart_definition(type, d, CHART_IS_NOT_OBSOLETE); |
| 723 | d->num_vcpus_changed = 0; |
| 724 | d->vcpu_chart_generated = 1; |
| 725 | } |
| 726 | |
| 727 | printf("BEGIN %s.vcpu\n", type); |
| 728 | for(vcpu_m = d->vcpu_root; vcpu_m; vcpu_m = vcpu_m->next) { |
| 729 | if(likely(vcpu_m->updated && vcpu_m->online)) { |
| 730 | printf( |
| 731 | "SET vcpu%u = %lld\n" |
| 732 | , vcpu_m->id |
| 733 | , (collected_number)vcpu_m->ns |
| 734 | ); |
| 735 | } |
| 736 | } |
| 737 | printf("END\n"); |
| 738 | |
| 739 | // ---------------------------------------------------------------- |
| 740 | |
| 741 | if(unlikely(!d->mem_chart_generated)) { |
| 742 | print_domain_mem_chart_definition(type, CHART_IS_NOT_OBSOLETE); |
| 743 | d->mem_chart_generated = 1; |
| 744 | } |
| 745 | printf( |
| 746 | "BEGIN %s.mem\n" |
| 747 | "SET maximum = %lld\n" |
| 748 | "SET current = %lld\n" |
| 749 | "END\n" |
| 750 | , type |
| 751 | , (collected_number)d->max_mem |
| 752 | , (collected_number)d->cur_mem |
| 753 | ); |
| 754 | |
| 755 | // ---------------------------------------------------------------- |
| 756 | |
| 757 | struct vbd_metrics *vbd_m; |
| 758 | for(vbd_m = d->vbd_root; vbd_m; vbd_m = vbd_m->next) { |
| 759 | if(likely(vbd_m->updated && !vbd_m->error)) { |
| 760 | if(unlikely(!vbd_m->oo_req_chart_generated)) { |
| 761 | print_domain_vbd_oo_chart_definition(type, vbd_m->id, CHART_IS_NOT_OBSOLETE); |
| 762 | vbd_m->oo_req_chart_generated = 1; |
| 763 | } |
| 764 | printf( |
| 765 | "BEGIN %s.oo_req_vbd%u\n" |
| 766 | "SET requests = %lld\n" |
| 767 | "END\n" |
| 768 | , type |
| 769 | , vbd_m->id |
| 770 | , (collected_number)vbd_m->oo_reqs |
| 771 | ); |
| 772 | |
| 773 | // ---------------------------------------------------------------- |
| 774 | |
| 775 | if(unlikely(!vbd_m->requests_chart_generated)) { |
| 776 | print_domain_vbd_requests_chart_definition(type, vbd_m->id, CHART_IS_NOT_OBSOLETE); |
| 777 | vbd_m->requests_chart_generated = 1; |
| 778 | } |
| 779 | printf( |
| 780 | "BEGIN %s.requests_vbd%u\n" |
| 781 | "SET read = %lld\n" |
| 782 | "SET write = %lld\n" |
| 783 | "END\n" |
| 784 | , type |
| 785 | , vbd_m->id |
| 786 | , (collected_number)vbd_m->rd_reqs |
| 787 | , (collected_number)vbd_m->wr_reqs |
| 788 | ); |
| 789 | |
| 790 | // ---------------------------------------------------------------- |
| 791 | |
| 792 | if(unlikely(!vbd_m->sectors_chart_generated)) { |
| 793 | print_domain_vbd_sectors_chart_definition(type, vbd_m->id, CHART_IS_NOT_OBSOLETE); |
| 794 | vbd_m->sectors_chart_generated = 1; |
| 795 | } |
| 796 | printf( |
| 797 | "BEGIN %s.sectors_vbd%u\n" |
| 798 | "SET read = %lld\n" |
| 799 | "SET write = %lld\n" |
| 800 | "END\n" |
| 801 | , type |
| 802 | , vbd_m->id |
| 803 | , (collected_number)vbd_m->rd_sects |
| 804 | , (collected_number)vbd_m->wr_sects |
| 805 | ); |
| 806 | } |
| 807 | else { |
| 808 | if(unlikely(vbd_m->oo_req_chart_generated |
| 809 | || vbd_m->requests_chart_generated |
| 810 | || vbd_m->sectors_chart_generated)) { |
| 811 | if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: mark charts as obsolete for vbd %u, domain '%s', id %u, uuid %s\n", vbd_m->id, d->name, d->id, d->uuid); |
| 812 | print_domain_vbd_oo_chart_definition(type, vbd_m->id, CHART_IS_OBSOLETE); |
| 813 | print_domain_vbd_requests_chart_definition(type, vbd_m->id, CHART_IS_OBSOLETE); |
| 814 | print_domain_vbd_sectors_chart_definition(type, vbd_m->id, CHART_IS_OBSOLETE); |
| 815 | vbd_m->oo_req_chart_generated = 0; |
| 816 | vbd_m->requests_chart_generated = 0; |
| 817 | vbd_m->sectors_chart_generated = 0; |
| 818 | } |
| 819 | } |
| 820 | } |
| 821 | |
| 822 | // ---------------------------------------------------------------- |
| 823 | |
| 824 | struct network_metrics *network_m; |
| 825 | for(network_m = d->network_root; network_m; network_m = network_m->next) { |
| 826 | if(likely(network_m->updated)) { |
| 827 | if(unlikely(!network_m->bytes_chart_generated)) { |
| 828 | print_domain_network_bytes_chart_definition(type, network_m->id, CHART_IS_NOT_OBSOLETE); |
| 829 | network_m->bytes_chart_generated = 1; |
| 830 | } |
| 831 | printf( |
| 832 | "BEGIN %s.bytes_network%u\n" |
| 833 | "SET received = %lld\n" |
| 834 | "SET sent = %lld\n" |
| 835 | "END\n" |
| 836 | , type |
| 837 | , network_m->id |
| 838 | , (collected_number)network_m->rbytes |
| 839 | , (collected_number)network_m->tbytes |
| 840 | ); |
| 841 | |
| 842 | // ---------------------------------------------------------------- |
| 843 | |
| 844 | if(unlikely(!network_m->packets_chart_generated)) { |
| 845 | print_domain_network_packets_chart_definition(type, network_m->id, CHART_IS_NOT_OBSOLETE); |
| 846 | network_m->packets_chart_generated = 1; |
| 847 | } |
| 848 | printf( |
| 849 | "BEGIN %s.packets_network%u\n" |
| 850 | "SET received = %lld\n" |
| 851 | "SET sent = %lld\n" |
| 852 | "END\n" |
| 853 | , type |
| 854 | , network_m->id |
| 855 | , (collected_number)network_m->rpackets |
| 856 | , (collected_number)network_m->tpackets |
| 857 | ); |
| 858 | |
| 859 | // ---------------------------------------------------------------- |
| 860 | |
| 861 | if(unlikely(!network_m->errors_chart_generated)) { |
| 862 | print_domain_network_errors_chart_definition(type, network_m->id, CHART_IS_NOT_OBSOLETE); |
| 863 | network_m->errors_chart_generated = 1; |
| 864 | } |
| 865 | printf( |
| 866 | "BEGIN %s.errors_network%u\n" |
| 867 | "SET received = %lld\n" |
| 868 | "SET sent = %lld\n" |
| 869 | "END\n" |
| 870 | , type |
| 871 | , network_m->id |
| 872 | , (collected_number)network_m->rerrs |
| 873 | , (collected_number)network_m->terrs |
| 874 | ); |
| 875 | |
| 876 | // ---------------------------------------------------------------- |
| 877 | |
| 878 | if(unlikely(!network_m->drops_chart_generated)) { |
| 879 | print_domain_network_drops_chart_definition(type, network_m->id, CHART_IS_NOT_OBSOLETE); |
| 880 | network_m->drops_chart_generated = 1; |
| 881 | } |
| 882 | printf( |
| 883 | "BEGIN %s.drops_network%u\n" |
| 884 | "SET received = %lld\n" |
| 885 | "SET sent = %lld\n" |
| 886 | "END\n" |
| 887 | , type |
| 888 | , network_m->id |
| 889 | , (collected_number)network_m->rdrops |
| 890 | , (collected_number)network_m->tdrops |
| 891 | ); |
| 892 | } |
| 893 | else { |
| 894 | if(unlikely(network_m->bytes_chart_generated |
| 895 | || network_m->packets_chart_generated |
| 896 | || network_m->errors_chart_generated |
| 897 | || network_m->drops_chart_generated)) |
| 898 | if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: mark charts as obsolete for network %u, domain '%s', id %u, uuid %s\n", network_m->id, d->name, d->id, d->uuid); |
| 899 | print_domain_network_bytes_chart_definition(type, network_m->id, CHART_IS_OBSOLETE); |
| 900 | print_domain_network_packets_chart_definition(type, network_m->id, CHART_IS_OBSOLETE); |
| 901 | print_domain_network_errors_chart_definition(type, network_m->id, CHART_IS_OBSOLETE); |
| 902 | print_domain_network_drops_chart_definition(type, network_m->id, CHART_IS_OBSOLETE); |
| 903 | network_m->bytes_chart_generated = 0; |
| 904 | network_m->packets_chart_generated = 0; |
| 905 | network_m->errors_chart_generated = 0; |
| 906 | network_m->drops_chart_generated = 0; |
| 907 | } |
| 908 | } |
| 909 | } |
| 910 | else{ |
| 911 | if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: mark charts as obsolete for domain '%s', id %u, uuid %s\n", d->name, d->id, d->uuid); |
| 912 | print_domain_states_chart_definition(type, CHART_IS_OBSOLETE); |
| 913 | print_domain_cpu_chart_definition(type, CHART_IS_OBSOLETE); |
| 914 | print_domain_vcpu_chart_definition(type, d, CHART_IS_OBSOLETE); |
| 915 | print_domain_mem_chart_definition(type, CHART_IS_OBSOLETE); |
| 916 | |
| 917 | d = domain_metrics_free(d); |
| 918 | } |
| 919 | } |
| 920 | } |
| 921 | |
| 922 | int main(int argc, char **argv) { |
| 923 | // ------------------------------------------------------------------------ |
| 924 | // initialization of netdata plugin |
| 925 | |
| 926 | program_name = PLUGIN_XENSTAT_NAME; |
| 927 | |
| 928 | nd_log_initialize_for_external_plugins(PLUGIN_XENSTAT_NAME); |
| 929 | netdata_threads_init_for_external_plugins(0); |
| 930 | |
| 931 | // ------------------------------------------------------------------------ |
| 932 | // parse command line parameters |
| 933 | |
| 934 | int i, freq = 0; |
| 935 | for(i = 1; i < argc ; i++) { |
| 936 | if(isdigit(*argv[i]) && !freq) { |
| 937 | int n = str2i(argv[i]); |
| 938 | if(n > 0 && n < 86400) { |
| 939 | freq = n; |
| 940 | continue; |
| 941 | } |
| 942 | } |
| 943 | else if(strcmp("version", argv[i]) == 0 || strcmp("-version", argv[i]) == 0 || strcmp("--version", argv[i]) == 0 || strcmp("-v", argv[i]) == 0 || strcmp("-V", argv[i]) == 0) { |
| 944 | printf("xenstat.plugin %s\n", NETDATA_VERSION); |
| 945 | exit(0); |
| 946 | } |
| 947 | else if(strcmp("debug", argv[i]) == 0) { |
| 948 | debug = 1; |
| 949 | continue; |
| 950 | } |
| 951 | else if(strcmp("-h", argv[i]) == 0 || strcmp("--help", argv[i]) == 0) { |
| 952 | fprintf(stderr, |
| 953 | "\n" |
| 954 | " netdata xenstat.plugin %s\n" |
| 955 | " Copyright 2018-2025 Netdata Inc.\n" |
| 956 | " Released under GNU General Public License v3 or later.\n" |
| 957 | "\n" |
| 958 | " This program is a data collector plugin for netdata.\n" |
| 959 | "\n" |
| 960 | " Available command line options:\n" |
| 961 | "\n" |
| 962 | " COLLECTION_FREQUENCY data collection frequency in seconds\n" |
| 963 | " minimum: %d\n" |
| 964 | "\n" |
| 965 | " debug enable verbose output\n" |
| 966 | " default: disabled\n" |
| 967 | "\n" |
| 968 | " -v\n" |
| 969 | " -V\n" |
| 970 | " --version print version and exit\n" |
| 971 | "\n" |
| 972 | " -h\n" |
| 973 | " --help print this message and exit\n" |
| 974 | "\n" |
| 975 | " For more information:\n" |
| 976 | " https://github.com/netdata/netdata/tree/master/src/collectors/xenstat.plugin\n" |
| 977 | "\n" |
| 978 | , NETDATA_VERSION |
| 979 | , netdata_update_every |
| 980 | ); |
| 981 | exit(1); |
| 982 | } |
| 983 | |
| 984 | netdata_log_error("xenstat.plugin: ignoring parameter '%s'", argv[i]); |
| 985 | } |
| 986 | |
| 987 | errno_clear(); |
| 988 | |
| 989 | if(freq >= netdata_update_every) |
| 990 | netdata_update_every = freq; |
| 991 | else if(freq) |
| 992 | netdata_log_error("update frequency %d seconds is too small for XENSTAT. Using %d.", freq, netdata_update_every); |
| 993 | |
| 994 | // ------------------------------------------------------------------------ |
| 995 | // initialize xen API handles |
| 996 | xenstat_handle *xhandle = NULL; |
| 997 | libxl_ctx *ctx = NULL; |
| 998 | libxl_dominfo info; |
| 999 | |
| 1000 | if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: calling xenstat_init()\n"); |
| 1001 | xhandle = xenstat_init(); |
| 1002 | if (xhandle == NULL) { |
| 1003 | netdata_log_error("XENSTAT: failed to initialize xenstat library."); |
| 1004 | return 1; |
| 1005 | } |
| 1006 | |
| 1007 | if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: calling libxl_ctx_alloc()\n"); |
| 1008 | if (libxl_ctx_alloc(&ctx, LIBXL_VERSION, 0, NULL)) { |
| 1009 | netdata_log_error("XENSTAT: failed to initialize xl context."); |
| 1010 | xenstat_uninit(xhandle); |
| 1011 | return 1; |
| 1012 | } |
| 1013 | libxl_dominfo_init(&info); |
| 1014 | |
| 1015 | // ------------------------------------------------------------------------ |
| 1016 | // the main loop |
| 1017 | |
| 1018 | if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: starting data collection\n"); |
| 1019 | |
| 1020 | time_t started_t = now_monotonic_sec(); |
| 1021 | |
| 1022 | size_t iteration; |
| 1023 | |
| 1024 | heartbeat_t hb; |
| 1025 | heartbeat_init(&hb, netdata_update_every * USEC_PER_SEC); |
| 1026 | for(iteration = 0; 1; iteration++) { |
| 1027 | usec_t dt = heartbeat_next(&hb); |
| 1028 | |
| 1029 | if(unlikely(exit_initiated_get())) break; |
| 1030 | |
| 1031 | if(unlikely(debug && iteration)) |
| 1032 | fprintf(stderr, "xenstat.plugin: iteration %zu, dt %lu usec\n", iteration, dt); |
| 1033 | |
| 1034 | if(likely(xhandle)) { |
| 1035 | if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: calling xenstat_collect()\n"); |
| 1036 | int ret = xenstat_collect(xhandle, ctx, &info); |
| 1037 | |
| 1038 | if(likely(!ret)) { |
| 1039 | if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: calling xenstat_send_node_metrics()\n"); |
| 1040 | xenstat_send_node_metrics(); |
| 1041 | if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: calling xenstat_send_domain_metrics()\n"); |
| 1042 | xenstat_send_domain_metrics(); |
| 1043 | } |
| 1044 | else { |
| 1045 | if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: can't collect data\n"); |
| 1046 | } |
| 1047 | } |
| 1048 | |
| 1049 | fflush(stdout); |
| 1050 | |
| 1051 | // restart check (14400 seconds) |
| 1052 | if(unlikely(now_monotonic_sec() - started_t > 14400)) break; |
| 1053 | } |
| 1054 | |
| 1055 | libxl_ctx_free(ctx); |
| 1056 | xenstat_uninit(xhandle); |
| 1057 | netdata_log_info("XENSTAT process exiting"); |
| 1058 | |
| 1059 | return 0; |
| 1060 | } |