4 #include "env.h"
27 bool perf_env__insert_bpf_prog_info(struct perf_env *env,  in perf_env__insert_bpf_prog_info()  argument
32 	down_write(&env->bpf_progs.lock);  in perf_env__insert_bpf_prog_info()
33 	ret = __perf_env__insert_bpf_prog_info(env, info_node);  in perf_env__insert_bpf_prog_info()
34 	up_write(&env->bpf_progs.lock);  in perf_env__insert_bpf_prog_info()
39 bool __perf_env__insert_bpf_prog_info(struct perf_env *env, struct bpf_prog_info_node *info_node)  in __perf_env__insert_bpf_prog_info()  argument
46 	p = &env->bpf_progs.infos.rb_node;  in __perf_env__insert_bpf_prog_info()
62 	rb_insert_color(&info_node->rb_node, &env->bpf_progs.infos);  in __perf_env__insert_bpf_prog_info()
63 	env->bpf_progs.infos_cnt++;  in __perf_env__insert_bpf_prog_info()
67 struct bpf_prog_info_node *perf_env__find_bpf_prog_info(struct perf_env *env,  in perf_env__find_bpf_prog_info()  argument
73 	down_read(&env->bpf_progs.lock);  in perf_env__find_bpf_prog_info()
74 	n = env->bpf_progs.infos.rb_node;  in perf_env__find_bpf_prog_info()
88 	up_read(&env->bpf_progs.lock);  in perf_env__find_bpf_prog_info()
92 bool perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node)  in perf_env__insert_btf()  argument
96 	down_write(&env->bpf_progs.lock);  in perf_env__insert_btf()
97 	ret = __perf_env__insert_btf(env, btf_node);  in perf_env__insert_btf()
98 	up_write(&env->bpf_progs.lock);  in perf_env__insert_btf()
102 bool __perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node)  in __perf_env__insert_btf()  argument
109 	p = &env->bpf_progs.btfs.rb_node;  in __perf_env__insert_btf()
125 	rb_insert_color(&btf_node->rb_node, &env->bpf_progs.btfs);  in __perf_env__insert_btf()
126 	env->bpf_progs.btfs_cnt++;  in __perf_env__insert_btf()
130 struct btf_node *perf_env__find_btf(struct perf_env *env, __u32 btf_id)  in perf_env__find_btf()  argument
134 	down_read(&env->bpf_progs.lock);  in perf_env__find_btf()
135 	res = __perf_env__find_btf(env, btf_id);  in perf_env__find_btf()
136 	up_read(&env->bpf_progs.lock);  in perf_env__find_btf()
140 struct btf_node *__perf_env__find_btf(struct perf_env *env, __u32 btf_id)  in __perf_env__find_btf()  argument
145 	n = env->bpf_progs.btfs.rb_node;  in __perf_env__find_btf()
160 static void perf_env__purge_bpf(struct perf_env *env)  in perf_env__purge_bpf()  argument
165 	down_write(&env->bpf_progs.lock);  in perf_env__purge_bpf()
167 	root = &env->bpf_progs.infos;  in perf_env__purge_bpf()
180 	env->bpf_progs.infos_cnt = 0;  in perf_env__purge_bpf()
182 	root = &env->bpf_progs.btfs;  in perf_env__purge_bpf()
194 	env->bpf_progs.btfs_cnt = 0;  in perf_env__purge_bpf()
196 	up_write(&env->bpf_progs.lock);  in perf_env__purge_bpf()
199 static void perf_env__purge_bpf(struct perf_env *env __maybe_unused)  in perf_env__purge_bpf()
204 void perf_env__exit(struct perf_env *env)  in perf_env__exit()  argument
208 	perf_env__purge_bpf(env);  in perf_env__exit()
209 	perf_env__purge_cgroups(env);  in perf_env__exit()
210 	zfree(&env->hostname);  in perf_env__exit()
211 	zfree(&env->os_release);  in perf_env__exit()
212 	zfree(&env->version);  in perf_env__exit()
213 	zfree(&env->arch);  in perf_env__exit()
214 	zfree(&env->cpu_desc);  in perf_env__exit()
215 	zfree(&env->cpuid);  in perf_env__exit()
216 	zfree(&env->cmdline);  in perf_env__exit()
217 	zfree(&env->cmdline_argv);  in perf_env__exit()
218 	zfree(&env->sibling_dies);  in perf_env__exit()
219 	zfree(&env->sibling_cores);  in perf_env__exit()
220 	zfree(&env->sibling_threads);  in perf_env__exit()
221 	zfree(&env->pmu_mappings);  in perf_env__exit()
222 	zfree(&env->cpu);  in perf_env__exit()
223 	for (i = 0; i < env->nr_cpu_pmu_caps; i++)  in perf_env__exit()
224 		zfree(&env->cpu_pmu_caps[i]);  in perf_env__exit()
225 	zfree(&env->cpu_pmu_caps);  in perf_env__exit()
226 	zfree(&env->numa_map);  in perf_env__exit()
228 	for (i = 0; i < env->nr_numa_nodes; i++)  in perf_env__exit()
229 		perf_cpu_map__put(env->numa_nodes[i].map);  in perf_env__exit()
230 	zfree(&env->numa_nodes);  in perf_env__exit()
232 	for (i = 0; i < env->caches_cnt; i++)  in perf_env__exit()
233 		cpu_cache_level__free(&env->caches[i]);  in perf_env__exit()
234 	zfree(&env->caches);  in perf_env__exit()
236 	for (i = 0; i < env->nr_memory_nodes; i++)  in perf_env__exit()
237 		zfree(&env->memory_nodes[i].set);  in perf_env__exit()
238 	zfree(&env->memory_nodes);  in perf_env__exit()
240 	for (i = 0; i < env->nr_hybrid_nodes; i++) {  in perf_env__exit()
241 		zfree(&env->hybrid_nodes[i].pmu_name);  in perf_env__exit()
242 		zfree(&env->hybrid_nodes[i].cpus);  in perf_env__exit()
244 	zfree(&env->hybrid_nodes);  in perf_env__exit()
246 	for (i = 0; i < env->nr_pmus_with_caps; i++) {  in perf_env__exit()
247 		for (j = 0; j < env->pmu_caps[i].nr_caps; j++)  in perf_env__exit()
248 			zfree(&env->pmu_caps[i].caps[j]);  in perf_env__exit()
249 		zfree(&env->pmu_caps[i].caps);  in perf_env__exit()
250 		zfree(&env->pmu_caps[i].pmu_name);  in perf_env__exit()
252 	zfree(&env->pmu_caps);  in perf_env__exit()
255 void perf_env__init(struct perf_env *env)  in perf_env__init()  argument
258 	env->bpf_progs.infos = RB_ROOT;  in perf_env__init()
259 	env->bpf_progs.btfs = RB_ROOT;  in perf_env__init()
260 	init_rwsem(&env->bpf_progs.lock);  in perf_env__init()
262 	env->kernel_is_64_bit = -1;  in perf_env__init()
265 static void perf_env__init_kernel_mode(struct perf_env *env)  in perf_env__init_kernel_mode()  argument
267 	const char *arch = perf_env__raw_arch(env);  in perf_env__init_kernel_mode()
273 		env->kernel_is_64_bit = 1;  in perf_env__init_kernel_mode()
275 		env->kernel_is_64_bit = 0;  in perf_env__init_kernel_mode()
278 int perf_env__kernel_is_64_bit(struct perf_env *env)  in perf_env__kernel_is_64_bit()  argument
280 	if (env->kernel_is_64_bit == -1)  in perf_env__kernel_is_64_bit()
281 		perf_env__init_kernel_mode(env);  in perf_env__kernel_is_64_bit()
283 	return env->kernel_is_64_bit;  in perf_env__kernel_is_64_bit()
286 int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[])  in perf_env__set_cmdline()  argument
291 	env->cmdline_argv = calloc(argc, sizeof(char *));  in perf_env__set_cmdline()
292 	if (env->cmdline_argv == NULL)  in perf_env__set_cmdline()
300 		env->cmdline_argv[i] = argv[i];  in perf_env__set_cmdline()
301 		if (env->cmdline_argv[i] == NULL)  in perf_env__set_cmdline()
305 	env->nr_cmdline = argc;  in perf_env__set_cmdline()
309 	zfree(&env->cmdline_argv);  in perf_env__set_cmdline()
314 int perf_env__read_cpu_topology_map(struct perf_env *env)  in perf_env__read_cpu_topology_map()  argument
318 	if (env->cpu != NULL)  in perf_env__read_cpu_topology_map()
321 	if (env->nr_cpus_avail == 0)  in perf_env__read_cpu_topology_map()
322 		env->nr_cpus_avail = cpu__max_present_cpu().cpu;  in perf_env__read_cpu_topology_map()
324 	nr_cpus = env->nr_cpus_avail;  in perf_env__read_cpu_topology_map()
328 	env->cpu = calloc(nr_cpus, sizeof(env->cpu[0]));  in perf_env__read_cpu_topology_map()
329 	if (env->cpu == NULL)  in perf_env__read_cpu_topology_map()
338 		env->cpu[idx].core_id	= core_id >= 0 ? core_id : -1;  in perf_env__read_cpu_topology_map()
339 		env->cpu[idx].socket_id	= socket_id >= 0 ? socket_id : -1;  in perf_env__read_cpu_topology_map()
340 		env->cpu[idx].die_id	= die_id >= 0 ? die_id : -1;  in perf_env__read_cpu_topology_map()
343 	env->nr_cpus_avail = nr_cpus;  in perf_env__read_cpu_topology_map()
347 int perf_env__read_pmu_mappings(struct perf_env *env)  in perf_env__read_pmu_mappings()  argument
360 	env->nr_pmu_mappings = pmu_num;  in perf_env__read_pmu_mappings()
373 	env->pmu_mappings = strbuf_detach(&sb, NULL);  in perf_env__read_pmu_mappings()
382 int perf_env__read_cpuid(struct perf_env *env)  in perf_env__read_cpuid()  argument
391 	free(env->cpuid);  in perf_env__read_cpuid()
392 	env->cpuid = strdup(cpuid);  in perf_env__read_cpuid()
393 	if (env->cpuid == NULL)  in perf_env__read_cpuid()
398 static int perf_env__read_arch(struct perf_env *env)  in perf_env__read_arch()  argument
402 	if (env->arch)  in perf_env__read_arch()
406 		env->arch = strdup(uts.machine);  in perf_env__read_arch()
408 	return env->arch ? 0 : -ENOMEM;  in perf_env__read_arch()
411 static int perf_env__read_nr_cpus_avail(struct perf_env *env)  in perf_env__read_nr_cpus_avail()  argument
413 	if (env->nr_cpus_avail == 0)  in perf_env__read_nr_cpus_avail()
414 		env->nr_cpus_avail = cpu__max_present_cpu().cpu;  in perf_env__read_nr_cpus_avail()
416 	return env->nr_cpus_avail ? 0 : -ENOENT;  in perf_env__read_nr_cpus_avail()
419 const char *perf_env__raw_arch(struct perf_env *env)  in perf_env__raw_arch()  argument
421 	return env && !perf_env__read_arch(env) ? env->arch : "unknown";  in perf_env__raw_arch()
424 int perf_env__nr_cpus_avail(struct perf_env *env)  in perf_env__nr_cpus_avail()  argument
426 	return env && !perf_env__read_nr_cpus_avail(env) ? env->nr_cpus_avail : 0;  in perf_env__nr_cpus_avail()
468 const char *perf_env__arch(struct perf_env *env)  in perf_env__arch()  argument
472 	if (!env || !env->arch) { /* Assume local operation */  in perf_env__arch()
478 		arch_name = env->arch;  in perf_env__arch()
487 const char *perf_env__arch_strerrno(struct perf_env *env __maybe_unused, int err __maybe_unused)  in perf_env__arch_strerrno()
490 	if (env->arch_strerrno == NULL)  in perf_env__arch_strerrno()
491 		env->arch_strerrno = arch_syscalls__strerrno_function(perf_env__arch(env));  in perf_env__arch_strerrno()
493 	return env->arch_strerrno ? env->arch_strerrno(err) : "no arch specific strerrno function";  in perf_env__arch_strerrno()
499 const char *perf_env__cpuid(struct perf_env *env)  in perf_env__cpuid()  argument
503 	if (!env->cpuid) { /* Assume local operation */  in perf_env__cpuid()
504 		status = perf_env__read_cpuid(env);  in perf_env__cpuid()
509 	return env->cpuid;  in perf_env__cpuid()
512 int perf_env__nr_pmu_mappings(struct perf_env *env)  in perf_env__nr_pmu_mappings()  argument
516 	if (!env->nr_pmu_mappings) { /* Assume local operation */  in perf_env__nr_pmu_mappings()
517 		status = perf_env__read_pmu_mappings(env);  in perf_env__nr_pmu_mappings()
522 	return env->nr_pmu_mappings;  in perf_env__nr_pmu_mappings()
525 const char *perf_env__pmu_mappings(struct perf_env *env)  in perf_env__pmu_mappings()  argument
529 	if (!env->pmu_mappings) { /* Assume local operation */  in perf_env__pmu_mappings()
530 		status = perf_env__read_pmu_mappings(env);  in perf_env__pmu_mappings()
535 	return env->pmu_mappings;  in perf_env__pmu_mappings()
538 int perf_env__numa_node(struct perf_env *env, struct perf_cpu cpu)  in perf_env__numa_node()  argument
540 	if (!env->nr_numa_map) {  in perf_env__numa_node()
544 		for (i = 0; i < env->nr_numa_nodes; i++) {  in perf_env__numa_node()
545 			nn = &env->numa_nodes[i];  in perf_env__numa_node()
555 		env->numa_map = malloc(nr * sizeof(int));  in perf_env__numa_node()
556 		if (!env->numa_map)  in perf_env__numa_node()
560 			env->numa_map[i] = -1;  in perf_env__numa_node()
562 		env->nr_numa_map = nr;  in perf_env__numa_node()
564 		for (i = 0; i < env->nr_numa_nodes; i++) {  in perf_env__numa_node()
568 			nn = &env->numa_nodes[i];  in perf_env__numa_node()
570 				env->numa_map[tmp.cpu] = i;  in perf_env__numa_node()
574 	return cpu.cpu >= 0 && cpu.cpu < env->nr_numa_map ? env->numa_map[cpu.cpu] : -1;  in perf_env__numa_node()
577 bool perf_env__has_pmu_mapping(struct perf_env *env, const char *pmu_name)  in perf_env__has_pmu_mapping()  argument
579 	char *pmu_mapping = env->pmu_mappings, *colon;  in perf_env__has_pmu_mapping()
581 	for (int i = 0; i < env->nr_pmu_mappings; ++i) {  in perf_env__has_pmu_mapping()
595 char *perf_env__find_pmu_cap(struct perf_env *env, const char *pmu_name,  in perf_env__find_pmu_cap()  argument
615 		for (i = 0; i < env->nr_cpu_pmu_caps; i++) {  in perf_env__find_pmu_cap()
616 			if (!strncmp(env->cpu_pmu_caps[i], cap_eq, cap_size + 1)) {  in perf_env__find_pmu_cap()
618 				return &env->cpu_pmu_caps[i][cap_size + 1];  in perf_env__find_pmu_cap()
624 	for (i = 0; i < env->nr_pmus_with_caps; i++) {  in perf_env__find_pmu_cap()
625 		if (strcmp(env->pmu_caps[i].pmu_name, pmu_name))  in perf_env__find_pmu_cap()
628 		ptr = env->pmu_caps[i].caps;  in perf_env__find_pmu_cap()
630 		for (j = 0; j < env->pmu_caps[i].nr_caps; j++) {  in perf_env__find_pmu_cap()
643 void perf_env__find_br_cntr_info(struct perf_env *env,  in perf_env__find_br_cntr_info()  argument
648 		*nr = env->cpu_pmu_caps ? env->br_cntr_nr :  in perf_env__find_br_cntr_info()
649 					  env->pmu_caps->br_cntr_nr;  in perf_env__find_br_cntr_info()
653 		*width = env->cpu_pmu_caps ? env->br_cntr_width :  in perf_env__find_br_cntr_info()
654 					     env->pmu_caps->br_cntr_width;  in perf_env__find_br_cntr_info()
658 bool perf_env__is_x86_amd_cpu(struct perf_env *env)  in perf_env__is_x86_amd_cpu()  argument
663 		is_amd = env->cpuid && strstarts(env->cpuid, "AuthenticAMD") ? 1 : -1;  in perf_env__is_x86_amd_cpu()
670 	struct perf_env env = { .total_mem = 0, };  in x86__is_amd_cpu()  local
673 	perf_env__cpuid(&env);  in x86__is_amd_cpu()
674 	is_amd = perf_env__is_x86_amd_cpu(&env);  in x86__is_amd_cpu()
675 	perf_env__exit(&env);  in x86__is_amd_cpu()