96 prepare_kpc(struct machine *mch, unsigned int n, const char *event_name,  in prepare_kpc()  argument
115 	size_t ncpus_sz = sizeof(mch->ncpus);  in prepare_kpc()
116 	ret = sysctlbyname("hw.logicalcpu_max", &mch->ncpus, &ncpus_sz,  in prepare_kpc()
121 	T_ASSERT_GT(mch->ncpus, 0, "must have some number of CPUs");  in prepare_kpc()
131 	mch->nfixed = kpc_get_counter_count(KPC_CLASS_FIXED_MASK);  in prepare_kpc()
132 	mch->nconfig = kpc_get_counter_count(KPC_CLASS_CONFIGURABLE_MASK);  in prepare_kpc()
134 	T_LOG("machine: ncpus = %d, nfixed = %d, nconfig = %d", mch->ncpus,  in prepare_kpc()
135 	    mch->nfixed, mch->nconfig);  in prepare_kpc()
159 			mch->selector = configs[i];  in prepare_kpc()
163 	T_QUIET; T_ASSERT_NE(mch->selector, 0ULL, "found event selector to check");  in prepare_kpc()
203 start_threads(const struct machine *mch, void *(*func)(void *), void *arg)  in start_threads()  argument
207 	pthread_t *threads = calloc((unsigned int)mch->ncpus,  in start_threads()
210 	for (unsigned int i = 0; i < mch->ncpus; i++) {  in start_threads()
221 end_threads(const struct machine *mch, pthread_t *threads)  in end_threads()  argument
223 	for (unsigned int i = 0; i < mch->ncpus; i++) {  in end_threads()
310 	struct machine mch = {};  variable
311 	prepare_kpc(&mch, 0, "CORE_ACTIVE_CYCLE", 0);
314 	pthread_t *threads = start_threads(&mch, spin, &until);
322 	memset(counts, 0, sizeof(*counts) * mch.ncpus * (mch.nfixed + mch.nconfig));
323 	struct tally *tly = calloc(mch.ncpus * mch.nconfig, sizeof(*tly));
334 		check_counters(mch.ncpus, mch.nconfig, tly, counts);
343 	check_tally(mch.ncpus, mch.nconfig, tly);
346 	end_threads(&mch, threads);
430 	struct machine mch = {};  variable
431 	prepare_kpc(&mch, 1, "CORE_ACTIVE_CYCLE", PMI_PERIOD);
435 	int32_t *actions = calloc(mch.nconfig, sizeof(*actions));
451 	struct cpu *cpus = calloc(mch.ncpus, sizeof(*cpus));
476 				mch.selector & UINT16_MAX,
550 	memset(counts, 0, sizeof(*counts) * mch.ncpus * (mch.nfixed + mch.nconfig));
551 	struct tally *tly = calloc(mch.ncpus * (mch.nconfig + mch.nfixed),
577 		check_counters(mch.ncpus, mch.nfixed + mch.nconfig, tly, counts);
582 	(void)start_threads(&mch, spin, &stop);
587 		check_tally(mch.ncpus, mch.nfixed + mch.nconfig, tly);
610 		for (unsigned int i = 0; i < mch.ncpus; i++) {
634 			unsigned int ctr = i * (mch.nfixed + mch.nconfig) + mch.nfixed;
654 				cpu_sample_count, mch.ncpus);
655 		T_EXPECT_EQ(cpu_sample_count, mch.ncpus,
714 	struct machine mch = {};  variable
715 	prepare_kpc(&mch, 0, "INST_BRANCH_TAKEN", PMI_PERIOD);
719 	uint64_t *periods = calloc(mch.nconfig, sizeof(*periods));
721 	for (unsigned int i = 0; i < mch.nconfig; i++) {
734 	int32_t *actions = calloc(mch.nconfig, sizeof(*actions));
735 	for (unsigned int i = 0; i < mch.nconfig; i++) {
774 		T_ASSERT_EQ(KPC_DESC_CONFIG(desc), mch.selector,