345 	struct bpf_metadata *metadata;  in bpf_metadata_alloc()  local
348 	metadata = zalloc(sizeof(struct bpf_metadata));  in bpf_metadata_alloc()
349 	if (!metadata)  in bpf_metadata_alloc()
352 	metadata->prog_names = zalloc(nr_prog_tags * sizeof(char *));  in bpf_metadata_alloc()
353 	if (!metadata->prog_names) {  in bpf_metadata_alloc()
354 		bpf_metadata_free(metadata);  in bpf_metadata_alloc()
358 		metadata->prog_names[prog_index] = zalloc(BPF_PROG_NAME_LEN);  in bpf_metadata_alloc()
359 		if (!metadata->prog_names[prog_index]) {  in bpf_metadata_alloc()
360 			bpf_metadata_free(metadata);  in bpf_metadata_alloc()
363 		metadata->nr_prog_names++;  in bpf_metadata_alloc()
366 	event_size = sizeof(metadata->event->bpf_metadata) +  in bpf_metadata_alloc()
367 	    nr_variables * sizeof(metadata->event->bpf_metadata.entries[0]);  in bpf_metadata_alloc()
368 	metadata->event = zalloc(event_size);  in bpf_metadata_alloc()
369 	if (!metadata->event) {  in bpf_metadata_alloc()
370 		bpf_metadata_free(metadata);  in bpf_metadata_alloc()
373 	metadata->event->bpf_metadata = (struct perf_record_bpf_metadata) {  in bpf_metadata_alloc()
381 	return metadata;  in bpf_metadata_alloc()
386 	struct bpf_metadata *metadata;  in bpf_metadata_create()  local
395 		metadata = bpf_metadata_alloc(info->nr_prog_tags, map.num_vars);  in bpf_metadata_create()
396 		if (!metadata)  in bpf_metadata_create()
399 		bpf_metadata_fill_event(&map, &metadata->event->bpf_metadata);  in bpf_metadata_create()
402 			synthesize_bpf_prog_name(metadata->prog_names[index],  in bpf_metadata_create()
409 		return metadata;  in bpf_metadata_create()
415 static int synthesize_perf_record_bpf_metadata(const struct bpf_metadata *metadata,  in synthesize_perf_record_bpf_metadata()  argument
420 	const size_t event_size = metadata->event->header.size;  in synthesize_perf_record_bpf_metadata()
427 	memcpy(event, metadata->event, event_size);  in synthesize_perf_record_bpf_metadata()
430 	for (__u32 index = 0; index < metadata->nr_prog_names; index++) {  in synthesize_perf_record_bpf_metadata()
432 		       metadata->prog_names[index], BPF_PROG_NAME_LEN);  in synthesize_perf_record_bpf_metadata()
443 void bpf_metadata_free(struct bpf_metadata *metadata)  in bpf_metadata_free()  argument
445 	if (metadata == NULL)  in bpf_metadata_free()
447 	for (__u32 index = 0; index < metadata->nr_prog_names; index++)  in bpf_metadata_free()
448 		free(metadata->prog_names[index]);  in bpf_metadata_free()
449 	free(metadata->prog_names);  in bpf_metadata_free()
450 	free(metadata->event);  in bpf_metadata_free()
451 	free(metadata);  in bpf_metadata_free()
461 static int synthesize_perf_record_bpf_metadata(const struct bpf_metadata *metadata __maybe_unused,  in synthesize_perf_record_bpf_metadata()
469 void bpf_metadata_free(struct bpf_metadata *metadata __maybe_unused)  in bpf_metadata_free()
485 	struct bpf_metadata *metadata = node->metadata;  in synthesize_final_bpf_metadata_cb()  local
488 	if (metadata == NULL)  in synthesize_final_bpf_metadata_cb()
490 	err = synthesize_perf_record_bpf_metadata(metadata, ctx->tool,  in synthesize_final_bpf_metadata_cb()
493 		const char *prog_name = metadata->prog_names[0];  in synthesize_final_bpf_metadata_cb()
496 			pr_warning("Couldn't synthesize final BPF metadata for %s.\n", prog_name);  in synthesize_final_bpf_metadata_cb()
498 			pr_warning("Couldn't synthesize final BPF metadata.\n");  in synthesize_final_bpf_metadata_cb()
500 	bpf_metadata_free(metadata);  in synthesize_final_bpf_metadata_cb()
501 	node->metadata = NULL;  in synthesize_final_bpf_metadata_cb()
540 	struct bpf_metadata *metadata;  in perf_event__synthesize_one_bpf_prog()  local
658 		info_node->metadata = NULL;  in perf_event__synthesize_one_bpf_prog()
663 			 * metadata.  in perf_event__synthesize_one_bpf_prog()
679 		metadata = bpf_metadata_create(info);  in perf_event__synthesize_one_bpf_prog()
680 		if (metadata != NULL) {  in perf_event__synthesize_one_bpf_prog()
681 			err = synthesize_perf_record_bpf_metadata(metadata,  in perf_event__synthesize_one_bpf_prog()
684 			bpf_metadata_free(metadata);  in perf_event__synthesize_one_bpf_prog()
870 		info_node->metadata = bpf_metadata_create(&info_linear->info);  in perf_env__add_bpf_info()