tools/mm/slabinfo.c

54 	struct slabinfo *slab;
114 		"slabinfo [-aABDefhilLnoPrsStTUvXz1] [N=K] [-dafzput] [slab-regexp]\n"
244 	snprintf(x, 128, "/sys/kernel/debug/slab/%s/%s", s->name, name);
349  * Find the shortest alias of a slab
357 		if (a->slab == find &&
795 			fprintf(stderr, "%s can only enable trace for one slab at a time\n", s->name);
816 	/* Number of slabs in a slab cache */
820 	/* Size of the whole slab */
824 	/* Bytes used for object storage in a slab */
831 	/* Number of objects in a slab */
844 	/* Percentage of partial slabs per slab */
852 	/* Percentage of partial objects of all objects in a slab */
959 	/* Per slab averages */
1143 				a->slab = s;
1162 		if (!show_single_ref && a->slab->refs == 1)
1167 				if (strcmp(a->slab->name, active) == 0) {
1172 			printf("\n%-12s <- %s", a->slab->name, a->name);
1173 			active = a->slab->name;
1176 			printf("%-15s -> %s\n", a->name, a->slab->name);
1206 static int slab_mismatch(char *slab)
1208 	return regexec(&pattern, slab, 0, NULL, 0);
1215 	struct slabinfo *slab = slabinfo;
1221 	if (chdir("/sys/kernel/slab") && chdir("/sys/slab"))
1246 				fatal("Unable to access slab %s\n", slab->name);
1247 			slab->name = strdup(de->d_name);
1248 			slab->alias = 0;
1249 			slab->refs = 0;
1250 			slab->aliases = get_obj("aliases");
1251 			slab->align = get_obj("align");
1252 			slab->cache_dma = get_obj("cache_dma");
1253 			slab->cpu_slabs = get_obj("cpu_slabs");
1254 			slab->destroy_by_rcu = get_obj("destroy_by_rcu");
1255 			slab->hwcache_align = get_obj("hwcache_align");
1256 			slab->object_size = get_obj("object_size");
1257 			slab->objects = get_obj("objects");
1258 			slab->objects_partial = get_obj("objects_partial");
1259 			slab->objects_total = get_obj("objects_total");
1260 			slab->objs_per_slab = get_obj("objs_per_slab");
1261 			slab->order = get_obj("order");
1262 			slab->partial = get_obj("partial");
1263 			slab->partial = get_obj_and_str("partial", &t);
1264 			decode_numa_list(slab->numa_partial, t);
1266 			slab->poison = get_obj("poison");
1267 			slab->reclaim_account = get_obj("reclaim_account");
1268 			slab->red_zone = get_obj("red_zone");
1269 			slab->sanity_checks = get_obj("sanity_checks");
1270 			slab->slab_size = get_obj("slab_size");
1271 			slab->slabs = get_obj_and_str("slabs", &t);
1272 			decode_numa_list(slab->numa, t);
1274 			slab->store_user = get_obj("store_user");
1275 			slab->trace = get_obj("trace");
1276 			slab->alloc_fastpath = get_obj("alloc_fastpath");
1277 			slab->alloc_slowpath = get_obj("alloc_slowpath");
1278 			slab->free_fastpath = get_obj("free_fastpath");
1279 			slab->free_slowpath = get_obj("free_slowpath");
1280 			slab->free_frozen= get_obj("free_frozen");
1281 			slab->free_add_partial = get_obj("free_add_partial");
1282 			slab->free_remove_partial = get_obj("free_remove_partial");
1283 			slab->alloc_from_partial = get_obj("alloc_from_partial");
1284 			slab->alloc_slab = get_obj("alloc_slab");
1285 			slab->alloc_refill = get_obj("alloc_refill");
1286 			slab->free_slab = get_obj("free_slab");
1287 			slab->cpuslab_flush = get_obj("cpuslab_flush");
1288 			slab->deactivate_full = get_obj("deactivate_full");
1289 			slab->deactivate_empty = get_obj("deactivate_empty");
1290 			slab->deactivate_to_head = get_obj("deactivate_to_head");
1291 			slab->deactivate_to_tail = get_obj("deactivate_to_tail");
1292 			slab->deactivate_remote_frees = get_obj("deactivate_remote_frees");
1293 			slab->order_fallback = get_obj("order_fallback");
1294 			slab->cmpxchg_double_cpu_fail = get_obj("cmpxchg_double_cpu_fail");
1295 			slab->cmpxchg_double_fail = get_obj("cmpxchg_double_fail");
1296 			slab->cpu_partial_alloc = get_obj("cpu_partial_alloc");
1297 			slab->cpu_partial_free = get_obj("cpu_partial_free");
1298 			slab->alloc_node_mismatch = get_obj("alloc_node_mismatch");
1299 			slab->deactivate_bypass = get_obj("deactivate_bypass");
1301 			if (slab->name[0] == ':')
1303 			slab++;
1310 	slabs = slab - slabinfo;
1321 	struct slabinfo *slab;
1324 	for (slab = slabinfo; (slab < slabinfo + slabs) &&
1325 			lines != 0; slab++) {
1327 		if (slab->alias)
1334 			slab_numa(slab, 0);
1336 			show_tracking(slab);
1338 			slab_validate(slab);
1340 			slab_shrink(slab);
1342 			slab_debug(slab);
1344 			ops(slab);
1346 			slabcache(slab);
1348 			report(slab);