osfmk/pmc/pmc.c

623 static void pmc_config_free(pmc_t pmc, pmc_config_t config) {
625 	assert(config);
627 	if(config->object) {
628 		pmc->methods.free_config(pmc->object, config->object);
629 		config->object = NULL;
632 	zfree(perf_small_zone, config);
666  * given pmc_reservation_t.  This includes freeing the config used to create the
671 	/* Free config */
672 	if(resv->config) {
675 		pmc_free_config(resv->pmc, resv->config);
677 		resv->config = NULL;
694 	resv->config = NULL;
1508 	assert(reservation->config);
1564 	assert(reservation->config);
1571 	ret = load_pmc->methods.set_config(load_pmc_obj, reservation->config->object);
1712 	assert(reservation->config);
1713 	assert(reservation->config->method);
1720 	(void)reservation->config->method(reservation, refCon);
1726 				reservation->config->method, (end - start));
2006 kern_return_t pmc_create_config(pmc_t pmc, pmc_config_t *config) {
2009 	if(!pmc || !config) {
2035 	*config = tmp;
2045 void pmc_free_config(pmc_t pmc, pmc_config_t config) {
2047 	assert(config);
2051 	pmc_config_free(pmc, config);
2062 kern_return_t pmc_config_set_value(pmc_t pmc, pmc_config_t config,
2067 	if(!pmc || !config) {
2073 	ret = pmc->methods.config_set_value(config->object, id, value);
2081  * pmc_config_set_interrupt_threshold modifies a config object, instructing
2093 kern_return_t pmc_config_set_interrupt_threshold(pmc_t pmc, pmc_config_t config,
2097 	if(!config || !pmc) {
2101 	assert(config);
2109 		 * the config to never change once a reservation has been taken out with
2113 		 * pmc_reservation_t before setting it up in the config object.
2120 		config->interrupt_after_value = threshold;
2121 		config->method = method;
2122 		config->refCon = refCon;
2314 static boolean_t pmc_reservation_setup_pmi(pmc_reservation_t resv, pmc_config_t config) {
2317 	assert(config);
2318 	assert(config->object);
2321 	if(config->interrupt_after_value && config->method) {
2324 		kern_return_t ret = resv->pmc->methods.config_set_threshold(config->object,
2325 			config->interrupt_after_value);
2336 		if(KERN_SUCCESS != resv->pmc->methods.config_set_handler(config->object,
2337 			(void *)resv, &pmc_reservation_interrupt, config->refCon)) {
2354  * must free the config object via pmc_free_config().
2358 kern_return_t pmc_reserve(pmc_t pmc, pmc_config_t config,
2361 	if(!pmc || !config || !reservation) {
2373 	resv->config = config;
2376 		resv->config = NULL;
2381 	if(!pmc_internal_reservation_add(resv) || !pmc_reservation_setup_pmi(resv, config)) {
2382 		/* Prevent free of config object */
2383 		resv->config = NULL;
2405  * must free the config object via pmc_free_config().
2410 kern_return_t pmc_reserve_task(pmc_t pmc, pmc_config_t config,
2413 	if(!pmc || !config || !reservation || !task) {
2432 	resv->config = config;
2435 		resv->config = NULL;
2440 	if(!pmc_internal_reservation_add(resv) || !pmc_reservation_setup_pmi(resv, config)) {
2441 		/* Prevent free of config object */
2442 		resv->config = NULL;
2464  * must free the config object via pmc_free_config().
2469 kern_return_t pmc_reserve_thread(pmc_t pmc, pmc_config_t config,
2471 	if(!pmc || !config || !reservation || !thread) {
2490 	resv->config = config;
2493 		resv->config = NULL;
2498 	if(!pmc_internal_reservation_add(resv) || !pmc_reservation_setup_pmi(resv, config)) {
2499 		/* Prevent free of config object */
2500 		resv->config = NULL;
2873 	pmc_config_t *config __unused) {
2877 void pmc_free_config(pmc_t pmc __unused, pmc_config_t config __unused) {
2881 	pmc_config_t config __unused, uint8_t id __unused,
2887 	pmc_config_t config __unused, uint64_t threshold __unused,
2914 	pmc_config_t config __unused, pmc_reservation_t *reservation __unused) {
2919 	pmc_config_t config __unused, task_t task __unused,
2925 	pmc_config_t config __unused, thread_t thread __unused,