1 // SPDX-License-Identifier: GPL-2.0
17 	"%s/devices/system/cpu/cpu%d/topology/core_siblings_list"
19 	"%s/devices/system/cpu/cpu%d/topology/die_cpus_list"
21 	"%s/devices/system/cpu/cpu%d/topology/thread_siblings_list"
23 	"%s/devices/system/cpu/cpu%d/topology/core_cpus_list"
31 static int build_cpu_topology(struct cpu_topology *tp, int cpu)  in build_cpu_topology()  argument
39 	int ret = -1;  in build_cpu_topology()
42 		  sysfs__mountpoint(), cpu);  in build_cpu_topology()
56 	for (i = 0; i < tp->core_sib; i++) {  in build_cpu_topology()
57 		if (!strcmp(buf, tp->core_siblings[i]))  in build_cpu_topology()
60 	if (i == tp->core_sib) {  in build_cpu_topology()
61 		tp->core_siblings[i] = buf;  in build_cpu_topology()
62 		tp->core_sib++;  in build_cpu_topology()
69 	if (!tp->die_siblings)  in build_cpu_topology()
73 		  sysfs__mountpoint(), cpu);  in build_cpu_topology()
87 	for (i = 0; i < tp->die_sib; i++) {  in build_cpu_topology()
88 		if (!strcmp(buf, tp->die_siblings[i]))  in build_cpu_topology()
91 	if (i == tp->die_sib) {  in build_cpu_topology()
92 		tp->die_siblings[i] = buf;  in build_cpu_topology()
93 		tp->die_sib++;  in build_cpu_topology()
101 		  sysfs__mountpoint(), cpu);  in build_cpu_topology()
102 	if (access(filename, F_OK) == -1) {  in build_cpu_topology()
104 			  sysfs__mountpoint(), cpu);  in build_cpu_topology()
117 	for (i = 0; i < tp->thread_sib; i++) {  in build_cpu_topology()
118 		if (!strcmp(buf, tp->thread_siblings[i]))  in build_cpu_topology()
121 	if (i == tp->thread_sib) {  in build_cpu_topology()
122 		tp->thread_siblings[i] = buf;  in build_cpu_topology()
123 		tp->thread_sib++;  in build_cpu_topology()
141 	for (i = 0 ; i < tp->core_sib; i++)  in cpu_topology__delete()
142 		zfree(&tp->core_siblings[i]);  in cpu_topology__delete()
144 	if (tp->die_sib) {  in cpu_topology__delete()
145 		for (i = 0 ; i < tp->die_sib; i++)  in cpu_topology__delete()
146 			zfree(&tp->die_siblings[i]);  in cpu_topology__delete()
149 	for (i = 0 ; i < tp->thread_sib; i++)  in cpu_topology__delete()
150 		zfree(&tp->thread_siblings[i]);  in cpu_topology__delete()
168 	if (access(filename, F_OK) == -1)  in has_die_topology()
178 	u32 nr, i, nr_addr;  in cpu_topology__new()  local
181 	int ret = -1;  in cpu_topology__new()
187 	/* build online CPU map */  in cpu_topology__new()
194 	nr = (u32)(ncpus & UINT_MAX);  in cpu_topology__new()
196 	sz = nr * sizeof(char *);  in cpu_topology__new()
207 	tp->core_siblings = addr;  in cpu_topology__new()
210 		tp->die_siblings = addr;  in cpu_topology__new()
213 	tp->thread_siblings = addr;  in cpu_topology__new()
215 	for (i = 0; i < nr; i++) {  in cpu_topology__new()
233 static int load_numa_node(struct numa_topology_node *node, int nr)  in load_numa_node()  argument
239 	int ret = -1;  in load_numa_node()
243 	node->node = (u32) nr;  in load_numa_node()
246 		  sysfs__mountpoint(), nr);  in load_numa_node()
249 		return -1;  in load_numa_node()
258 			node->mem_total = mem;  in load_numa_node()
260 			node->mem_free = mem;  in load_numa_node()
261 		if (node->mem_total && node->mem_free)  in load_numa_node()
269 		  sysfs__mountpoint(), nr);  in load_numa_node()
273 		return -1;  in load_numa_node()
282 	node->cpus = buf;  in load_numa_node()
300 	u32 nr, i;  in numa_topology__new()  local
322 	nr = (u32) node_map->nr;  in numa_topology__new()
324 	tp = zalloc(sizeof(*tp) + sizeof(tp->nodes[0])*nr);  in numa_topology__new()
328 	tp->nr = nr;  in numa_topology__new()
330 	for (i = 0; i < nr; i++) {  in numa_topology__new()
331 		if (load_numa_node(&tp->nodes[i], node_map->map[i])) {  in numa_topology__new()
349 	for (i = 0; i < tp->nr; i++)  in numa_topology__delete()
350 		zfree(&tp->nodes[i].cpus);  in numa_topology__delete()