* memstat_kvm_uma() is similar to memstat_sysctl_uma(), only it extracts * UMA(9) statistics from a kernel core/memory file. */
| 315 | * UMA(9) statistics from a kernel core/memory file. |
| 316 | */ |
| 317 | int |
| 318 | memstat_kvm_uma(struct memory_type_list *list, void *kvm_handle) |
| 319 | { |
| 320 | LIST_HEAD(, uma_keg) uma_kegs; |
| 321 | struct memory_type *mtp; |
| 322 | struct uma_zone_domain uzd; |
| 323 | struct uma_domain ukd; |
| 324 | struct uma_bucket *ubp, ub; |
| 325 | struct uma_cache *ucp, *ucp_array; |
| 326 | struct uma_zone *uzp, uz; |
| 327 | struct uma_keg *kzp, kz; |
| 328 | uint64_t kegfree; |
| 329 | int hint_dontsearch, i, mp_maxid, ndomains, ret; |
| 330 | char name[MEMTYPE_MAXNAME]; |
| 331 | cpuset_t all_cpus; |
| 332 | long cpusetsize; |
| 333 | kvm_t *kvm; |
| 334 | |
| 335 | kvm = (kvm_t *)kvm_handle; |
| 336 | hint_dontsearch = LIST_EMPTY(&list->mtl_list); |
| 337 | if (kvm_nlist(kvm, namelist) != 0) { |
| 338 | list->mtl_error = MEMSTAT_ERROR_KVM; |
| 339 | return (-1); |
| 340 | } |
| 341 | if (namelist[X_UMA_KEGS].n_type == 0 || |
| 342 | namelist[X_UMA_KEGS].n_value == 0) { |
| 343 | list->mtl_error = MEMSTAT_ERROR_KVM_NOSYMBOL; |
| 344 | return (-1); |
| 345 | } |
| 346 | ret = kread_symbol(kvm, X_MP_MAXID, &mp_maxid, sizeof(mp_maxid), 0); |
| 347 | if (ret != 0) { |
| 348 | list->mtl_error = ret; |
| 349 | return (-1); |
| 350 | } |
| 351 | ret = kread_symbol(kvm, X_VM_NDOMAINS, &ndomains, |
| 352 | sizeof(ndomains), 0); |
| 353 | if (ret != 0) { |
| 354 | list->mtl_error = ret; |
| 355 | return (-1); |
| 356 | } |
| 357 | ret = kread_symbol(kvm, X_UMA_KEGS, &uma_kegs, sizeof(uma_kegs), 0); |
| 358 | if (ret != 0) { |
| 359 | list->mtl_error = ret; |
| 360 | return (-1); |
| 361 | } |
| 362 | cpusetsize = sysconf(_SC_CPUSET_SIZE); |
| 363 | if (cpusetsize == -1 || (u_long)cpusetsize > sizeof(cpuset_t)) { |
| 364 | list->mtl_error = MEMSTAT_ERROR_KVM_NOSYMBOL; |
| 365 | return (-1); |
| 366 | } |
| 367 | CPU_ZERO(&all_cpus); |
| 368 | ret = kread_symbol(kvm, X_ALL_CPUS, &all_cpus, cpusetsize, 0); |
| 369 | if (ret != 0) { |
| 370 | list->mtl_error = ret; |
| 371 | return (-1); |
| 372 | } |
| 373 | ucp_array = malloc(sizeof(struct uma_cache) * (mp_maxid + 1)); |
| 374 | if (ucp_array == NULL) { |
no test coverage detected