81 prepare_kpc(struct machine *mch, bool config, uint64_t event)  in prepare_kpc()  argument
89 	size_t ncpus_sz = sizeof(mch->ncpus);  in prepare_kpc()
90 	int ret = sysctlbyname("hw.logicalcpu_max", &mch->ncpus, &ncpus_sz,  in prepare_kpc()
95 	T_ASSERT_GT(mch->ncpus, 0, "must have some number of CPUs");  in prepare_kpc()
105 	mch->nfixed = kpc_get_counter_count(KPC_CLASS_FIXED_MASK);  in prepare_kpc()
106 	mch->nconfig = kpc_get_counter_count(KPC_CLASS_CONFIGURABLE_MASK);  in prepare_kpc()
108 	T_LOG("machine: ncpus = %d, nfixed = %d, nconfig = %d", mch->ncpus,  in prepare_kpc()
109 	    mch->nfixed, mch->nconfig);  in prepare_kpc()
131 	struct machine mch = {};  in kpc_reset_atend()  local
132 	prepare_kpc(&mch, true, 0);  in kpc_reset_atend()
133 	uint64_t *periods = calloc(mch.nconfig, sizeof(*periods));  in kpc_reset_atend()
152 start_threads(const struct machine *mch, void *(*func)(void *), void *arg)  in start_threads()  argument
156 	pthread_t *threads = calloc((unsigned int)mch->ncpus,  in start_threads()
159 	for (unsigned int i = 0; i < mch->ncpus; i++) {  in start_threads()
170 end_threads(const struct machine *mch, pthread_t *threads)  in end_threads()  argument
172 	for (unsigned int i = 0; i < mch->ncpus; i++) {  in end_threads()
257 	struct machine mch = {};  variable
258 	prepare_kpc(&mch, true, CYCLES_EVENT);
261 	pthread_t *threads = start_threads(&mch, spin, &until);
269 	memset(counts, 0, sizeof(*counts) * mch.ncpus * (mch.nfixed + mch.nconfig));
270 	struct tally *tly = calloc(mch.ncpus * mch.nconfig, sizeof(*tly));
281 		check_counters(mch.ncpus, mch.nconfig, tly, counts);
290 	check_tally(mch.ncpus, mch.nconfig, tly);
293 	end_threads(&mch, threads);
375 	struct machine mch = {};  variable
376 	prepare_kpc(&mch, true, CYCLES_EVENT);
380 	uint64_t *periods = calloc(mch.nconfig, sizeof(*periods));
388 	int32_t *actions = calloc(mch.nconfig, sizeof(*actions));
404 	struct cpu *cpus = calloc(mch.ncpus, sizeof(*cpus));
503 	memset(counts, 0, sizeof(*counts) * mch.ncpus * (mch.nfixed + mch.nconfig));
504 	struct tally *tly = calloc(mch.ncpus * (mch.nconfig + mch.nfixed),
530 		check_counters(mch.ncpus, mch.nfixed + mch.nconfig, tly, counts);
535 	(void)start_threads(&mch, spin, &stop);
540 		check_tally(mch.ncpus, mch.nfixed + mch.nconfig, tly);
563 		for (unsigned int i = 0; i < mch.ncpus; i++) {
587 			unsigned int ctr = i * (mch.nfixed + mch.nconfig) + mch.nfixed;
607 				cpu_sample_count, mch.ncpus);
608 		T_EXPECT_EQ(cpu_sample_count, mch.ncpus,
669 	struct machine mch = {};  variable
670 	prepare_kpc(&mch, true, DTLB_MISS_EVENT);
674 	uint64_t *periods = calloc(mch.nconfig, sizeof(*periods));
676 	for (unsigned int i = 0; i < mch.nconfig; i++) {
689 	int32_t *actions = calloc(mch.nconfig, sizeof(*actions));
690 	for (unsigned int i = 0; i < mch.nconfig; i++) {