#include #include TEST(PROCESSORS_COUNT, non_zero) { ASSERT_TRUE(cpuinfo_initialize()); EXPECT_NE(0, cpuinfo_get_processors_count()); cpuinfo_deinitialize(); } TEST(PROCESSORS, non_null) { ASSERT_TRUE(cpuinfo_initialize()); EXPECT_TRUE(cpuinfo_get_processors()); cpuinfo_deinitialize(); } TEST(PROCESSOR, non_null) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_processors_count(); i++) { EXPECT_TRUE(cpuinfo_get_processor(i)); } cpuinfo_deinitialize(); } TEST(PROCESSOR, valid_smt_id) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_processors_count(); i++) { const cpuinfo_processor* processor = cpuinfo_get_processor(i); ASSERT_TRUE(processor); const cpuinfo_core* core = processor->core; ASSERT_TRUE(core); EXPECT_LT(processor->smt_id, core->processor_count); } cpuinfo_deinitialize(); } TEST(PROCESSOR, valid_core) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_processors_count(); i++) { const cpuinfo_processor* processor = cpuinfo_get_processor(i); ASSERT_TRUE(processor); EXPECT_TRUE(processor->core); } cpuinfo_deinitialize(); } TEST(PROCESSOR, consistent_core) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_processors_count(); i++) { const cpuinfo_processor* processor = cpuinfo_get_processor(i); ASSERT_TRUE(processor); const cpuinfo_core* core = processor->core; ASSERT_TRUE(core); EXPECT_GE(i, core->processor_start); EXPECT_LT(i, core->processor_start + core->processor_count); } cpuinfo_deinitialize(); } TEST(PROCESSOR, valid_cluster) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_processors_count(); i++) { const cpuinfo_processor* processor = cpuinfo_get_processor(i); ASSERT_TRUE(processor); EXPECT_TRUE(processor->cluster); } cpuinfo_deinitialize(); } TEST(PROCESSOR, consistent_cluster) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_processors_count(); i++) { const cpuinfo_processor* processor = cpuinfo_get_processor(i); ASSERT_TRUE(processor); const cpuinfo_cluster* cluster = processor->cluster; ASSERT_TRUE(cluster); EXPECT_GE(i, cluster->processor_start); EXPECT_LT(i, cluster->processor_start + cluster->processor_count); } cpuinfo_deinitialize(); } TEST(PROCESSOR, valid_package) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_processors_count(); i++) { const cpuinfo_processor* processor = cpuinfo_get_processor(i); ASSERT_TRUE(processor); EXPECT_TRUE(processor->package); } cpuinfo_deinitialize(); } TEST(PROCESSOR, consistent_package) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_processors_count(); i++) { const cpuinfo_processor* processor = cpuinfo_get_processor(i); ASSERT_TRUE(processor); const cpuinfo_package* package = processor->package; ASSERT_TRUE(package); EXPECT_GE(i, package->processor_start); EXPECT_LT(i, package->processor_start + package->processor_count); } cpuinfo_deinitialize(); } TEST(PROCESSOR, consistent_l1i) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_processors_count(); i++) { const cpuinfo_processor* processor = cpuinfo_get_processor(i); ASSERT_TRUE(processor); const cpuinfo_cache* l1i = processor->cache.l1i; if (l1i != nullptr) { EXPECT_GE(i, l1i->processor_start); EXPECT_LT(i, l1i->processor_start + l1i->processor_count); } } cpuinfo_deinitialize(); } TEST(PROCESSOR, consistent_l1d) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_processors_count(); i++) { const cpuinfo_processor* processor = cpuinfo_get_processor(i); ASSERT_TRUE(processor); const cpuinfo_cache* l1d = processor->cache.l1d; if (l1d != nullptr) { EXPECT_GE(i, l1d->processor_start); EXPECT_LT(i, l1d->processor_start + l1d->processor_count); } } cpuinfo_deinitialize(); } TEST(PROCESSOR, consistent_l2) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_processors_count(); i++) { const cpuinfo_processor* processor = cpuinfo_get_processor(i); ASSERT_TRUE(processor); const cpuinfo_cache* l2 = processor->cache.l2; if (l2 != nullptr) { EXPECT_GE(i, l2->processor_start); EXPECT_LT(i, l2->processor_start + l2->processor_count); } } cpuinfo_deinitialize(); } TEST(PROCESSOR, consistent_l3) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_processors_count(); i++) { const cpuinfo_processor* processor = cpuinfo_get_processor(i); ASSERT_TRUE(processor); const cpuinfo_cache* l3 = processor->cache.l3; if (l3 != nullptr) { EXPECT_GE(i, l3->processor_start); EXPECT_LT(i, l3->processor_start + l3->processor_count); } } cpuinfo_deinitialize(); } TEST(PROCESSOR, consistent_l4) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_processors_count(); i++) { const cpuinfo_processor* processor = cpuinfo_get_processor(i); ASSERT_TRUE(processor); const cpuinfo_cache* l4 = processor->cache.l4; if (l4 != nullptr) { EXPECT_GE(i, l4->processor_start); EXPECT_LT(i, l4->processor_start + l4->processor_count); } } cpuinfo_deinitialize(); } TEST(CORES_COUNT, within_bounds) { ASSERT_TRUE(cpuinfo_initialize()); EXPECT_NE(0, cpuinfo_get_cores_count()); EXPECT_LE(cpuinfo_get_cores_count(), cpuinfo_get_processors_count()); EXPECT_GE(cpuinfo_get_cores_count(), cpuinfo_get_packages_count()); cpuinfo_deinitialize(); } TEST(CORES, non_null) { ASSERT_TRUE(cpuinfo_initialize()); EXPECT_TRUE(cpuinfo_get_cores()); cpuinfo_deinitialize(); } TEST(CORE, non_null) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_cores_count(); i++) { EXPECT_TRUE(cpuinfo_get_core(i)); } cpuinfo_deinitialize(); } TEST(CORE, non_zero_processors) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_cores_count(); i++) { const cpuinfo_core* core = cpuinfo_get_core(i); ASSERT_TRUE(core); EXPECT_NE(0, core->processor_count); } cpuinfo_deinitialize(); } TEST(CORE, consistent_processors) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_cores_count(); i++) { const cpuinfo_core* core = cpuinfo_get_core(i); ASSERT_TRUE(core); for (uint32_t i = 0; i < core->processor_count; i++) { const cpuinfo_processor* processor = cpuinfo_get_processor(core->processor_start + i); ASSERT_TRUE(processor); EXPECT_EQ(core, processor->core); } } cpuinfo_deinitialize(); } TEST(CORE, valid_core_id) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_cores_count(); i++) { const cpuinfo_core* core = cpuinfo_get_core(i); ASSERT_TRUE(core); const cpuinfo_package* package = core->package; ASSERT_TRUE(package); EXPECT_LT(core->core_id, package->core_count); } cpuinfo_deinitialize(); } TEST(CORE, valid_cluster) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_cores_count(); i++) { const cpuinfo_core* core = cpuinfo_get_core(i); ASSERT_TRUE(core); EXPECT_TRUE(core->cluster); } cpuinfo_deinitialize(); } TEST(CORE, consistent_cluster) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_cores_count(); i++) { const cpuinfo_core* core = cpuinfo_get_core(i); ASSERT_TRUE(core); const cpuinfo_cluster* cluster = core->cluster; ASSERT_TRUE(cluster); EXPECT_GE(i, cluster->core_start); EXPECT_LT(i, cluster->core_start + cluster->core_count); } cpuinfo_deinitialize(); } TEST(CORE, valid_package) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_cores_count(); i++) { const cpuinfo_core* core = cpuinfo_get_core(i); ASSERT_TRUE(core); EXPECT_TRUE(core->package); } cpuinfo_deinitialize(); } TEST(CORE, consistent_package) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_cores_count(); i++) { const cpuinfo_core* core = cpuinfo_get_core(i); ASSERT_TRUE(core); const cpuinfo_package* package = core->package; ASSERT_TRUE(package); EXPECT_GE(i, package->core_start); EXPECT_LT(i, package->core_start + package->core_count); } cpuinfo_deinitialize(); } TEST(CORE, known_vendor) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_cores_count(); i++) { const cpuinfo_core* core = cpuinfo_get_core(i); ASSERT_TRUE(core); EXPECT_NE(cpuinfo_vendor_unknown, core->vendor); } cpuinfo_deinitialize(); } TEST(CORE, known_uarch) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_cores_count(); i++) { const cpuinfo_core* core = cpuinfo_get_core(i); ASSERT_TRUE(core); EXPECT_NE(cpuinfo_uarch_unknown, core->uarch); } cpuinfo_deinitialize(); } TEST(CLUSTERS_COUNT, within_bounds) { ASSERT_TRUE(cpuinfo_initialize()); EXPECT_NE(0, cpuinfo_get_clusters_count()); EXPECT_LE(cpuinfo_get_clusters_count(), cpuinfo_get_cores_count()); EXPECT_LE(cpuinfo_get_clusters_count(), cpuinfo_get_processors_count()); EXPECT_GE(cpuinfo_get_clusters_count(), cpuinfo_get_packages_count()); cpuinfo_deinitialize(); } TEST(CLUSTERS, non_null) { ASSERT_TRUE(cpuinfo_initialize()); EXPECT_TRUE(cpuinfo_get_clusters()); cpuinfo_deinitialize(); } TEST(CLUSTER, non_null) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_clusters_count(); i++) { EXPECT_TRUE(cpuinfo_get_cluster(i)); } cpuinfo_deinitialize(); } TEST(CLUSTER, non_zero_processors) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_clusters_count(); i++) { const cpuinfo_cluster* cluster = cpuinfo_get_cluster(i); ASSERT_TRUE(cluster); EXPECT_NE(0, cluster->processor_count); } cpuinfo_deinitialize(); } TEST(CLUSTER, valid_processors) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_clusters_count(); i++) { const cpuinfo_cluster* cluster = cpuinfo_get_cluster(i); ASSERT_TRUE(cluster); EXPECT_LT(cluster->processor_start, cpuinfo_get_processors_count()); EXPECT_LE(cluster->processor_start + cluster->processor_count, cpuinfo_get_processors_count()); } cpuinfo_deinitialize(); } TEST(CLUSTER, consistent_processors) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_clusters_count(); i++) { const cpuinfo_cluster* cluster = cpuinfo_get_cluster(i); ASSERT_TRUE(cluster); for (uint32_t j = 0; j < cluster->processor_count; j++) { const cpuinfo_processor* processor = cpuinfo_get_processor(cluster->processor_start + j); EXPECT_EQ(cluster, processor->cluster); } } cpuinfo_deinitialize(); } TEST(CLUSTER, non_zero_cores) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_clusters_count(); i++) { const cpuinfo_cluster* cluster = cpuinfo_get_cluster(i); ASSERT_TRUE(cluster); EXPECT_NE(0, cluster->core_count); } cpuinfo_deinitialize(); } TEST(CLUSTER, valid_cores) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_clusters_count(); i++) { const cpuinfo_cluster* cluster = cpuinfo_get_cluster(i); ASSERT_TRUE(cluster); EXPECT_LT(cluster->core_start, cpuinfo_get_cores_count()); EXPECT_LE(cluster->core_start + cluster->core_count, cpuinfo_get_cores_count()); } cpuinfo_deinitialize(); } TEST(CLUSTER, consistent_cores) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_clusters_count(); i++) { const cpuinfo_cluster* cluster = cpuinfo_get_cluster(i); ASSERT_TRUE(cluster); for (uint32_t j = 0; j < cluster->core_count; j++) { const cpuinfo_core* core = cpuinfo_get_core(cluster->core_start + j); ASSERT_TRUE(core); EXPECT_EQ(cluster, core->cluster); } } cpuinfo_deinitialize(); } TEST(CLUSTER, valid_cluster_id) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_clusters_count(); i++) { const cpuinfo_cluster* cluster = cpuinfo_get_cluster(i); ASSERT_TRUE(cluster); for (uint32_t j = 0; j < cluster->core_count; j++) { const cpuinfo_package* package = cluster->package; ASSERT_TRUE(package); EXPECT_LT(cluster->cluster_id, package->cluster_count); } } cpuinfo_deinitialize(); } TEST(CLUSTER, valid_package) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_clusters_count(); i++) { const cpuinfo_cluster* cluster = cpuinfo_get_cluster(i); ASSERT_TRUE(cluster); EXPECT_TRUE(cluster->package); } cpuinfo_deinitialize(); } TEST(CLUSTER, consistent_package) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_clusters_count(); i++) { const cpuinfo_cluster* cluster = cpuinfo_get_cluster(i); ASSERT_TRUE(cluster); const cpuinfo_package* package = cluster->package; ASSERT_TRUE(package); EXPECT_GE(i, package->cluster_start); EXPECT_LT(i, package->cluster_start + package->cluster_count); } cpuinfo_deinitialize(); } TEST(CLUSTER, consistent_vendor) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_clusters_count(); i++) { const cpuinfo_cluster* cluster = cpuinfo_get_cluster(i); ASSERT_TRUE(cluster); for (uint32_t j = 0; j < cluster->core_count; j++) { const cpuinfo_core* core = cpuinfo_get_core(cluster->core_start + j); ASSERT_TRUE(core); EXPECT_EQ(cluster->vendor, core->vendor); } } cpuinfo_deinitialize(); } TEST(CLUSTER, consistent_uarch) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_clusters_count(); i++) { const cpuinfo_cluster* cluster = cpuinfo_get_cluster(i); ASSERT_TRUE(cluster); for (uint32_t j = 0; j < cluster->core_count; j++) { const cpuinfo_core* core = cpuinfo_get_core(cluster->core_start + j); ASSERT_TRUE(core); EXPECT_EQ(cluster->uarch, core->uarch); } } cpuinfo_deinitialize(); } #if CPUINFO_ARCH_X86 || CPUINFO_ARCH_X86_64 TEST(CLUSTER, consistent_cpuid) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_clusters_count(); i++) { const cpuinfo_cluster* cluster = cpuinfo_get_cluster(i); ASSERT_TRUE(cluster); for (uint32_t j = 0; j < cluster->core_count; j++) { const cpuinfo_core* core = cpuinfo_get_core(cluster->core_start + j); ASSERT_TRUE(core); EXPECT_EQ(cluster->cpuid, core->cpuid); } } cpuinfo_deinitialize(); } #endif /* CPUINFO_ARCH_X86 || CPUINFO_ARCH_X86_64 */ #if CPUINFO_ARCH_ARM || CPUINFO_ARCH_ARM64 TEST(CLUSTER, consistent_midr) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_clusters_count(); i++) { const cpuinfo_cluster* cluster = cpuinfo_get_cluster(i); ASSERT_TRUE(cluster); for (uint32_t j = 0; j < cluster->core_count; j++) { const cpuinfo_core* core = cpuinfo_get_core(cluster->core_start + j); ASSERT_TRUE(core); EXPECT_EQ(cluster->midr, core->midr); } } cpuinfo_deinitialize(); } #endif /* CPUINFO_ARCH_ARM || CPUINFO_ARCH_ARM64 */ TEST(CLUSTER, consistent_frequency) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_clusters_count(); i++) { const cpuinfo_cluster* cluster = cpuinfo_get_cluster(i); ASSERT_TRUE(cluster); for (uint32_t j = 0; j < cluster->core_count; j++) { const cpuinfo_core* core = cpuinfo_get_core(cluster->core_start + j); ASSERT_TRUE(core); EXPECT_EQ(cluster->frequency, core->frequency); } } cpuinfo_deinitialize(); } TEST(PACKAGES_COUNT, within_bounds) { ASSERT_TRUE(cpuinfo_initialize()); EXPECT_NE(0, cpuinfo_get_packages_count()); EXPECT_LE(cpuinfo_get_packages_count(), cpuinfo_get_cores_count()); EXPECT_LE(cpuinfo_get_packages_count(), cpuinfo_get_processors_count()); cpuinfo_deinitialize(); } TEST(PACKAGES, non_null) { ASSERT_TRUE(cpuinfo_initialize()); EXPECT_TRUE(cpuinfo_get_packages()); cpuinfo_deinitialize(); } TEST(PACKAGE, non_null) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_packages_count(); i++) { EXPECT_TRUE(cpuinfo_get_package(i)); } cpuinfo_deinitialize(); } TEST(PACKAGE, non_zero_processors) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_packages_count(); i++) { const cpuinfo_package* package = cpuinfo_get_package(i); ASSERT_TRUE(package); EXPECT_NE(0, package->processor_count); } cpuinfo_deinitialize(); } TEST(PACKAGE, valid_processors) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_packages_count(); i++) { const cpuinfo_package* package = cpuinfo_get_package(i); ASSERT_TRUE(package); EXPECT_LT(package->processor_start, cpuinfo_get_processors_count()); EXPECT_LE(package->processor_start + package->processor_count, cpuinfo_get_processors_count()); } cpuinfo_deinitialize(); } TEST(PACKAGE, consistent_processors) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_packages_count(); i++) { const cpuinfo_package* package = cpuinfo_get_package(i); ASSERT_TRUE(package); for (uint32_t j = 0; j < package->processor_count; j++) { const cpuinfo_processor* processor = cpuinfo_get_processor(package->processor_start + j); ASSERT_TRUE(processor); EXPECT_EQ(package, processor->package); } } cpuinfo_deinitialize(); } TEST(PACKAGE, non_zero_cores) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_packages_count(); i++) { const cpuinfo_package* package = cpuinfo_get_package(i); ASSERT_TRUE(package); EXPECT_NE(0, package->core_count); } cpuinfo_deinitialize(); } TEST(PACKAGE, valid_cores) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_packages_count(); i++) { const cpuinfo_package* package = cpuinfo_get_package(i); ASSERT_TRUE(package); EXPECT_LT(package->core_start, cpuinfo_get_cores_count()); EXPECT_LE(package->core_start + package->core_count, cpuinfo_get_cores_count()); } cpuinfo_deinitialize(); } TEST(PACKAGE, consistent_cores) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_packages_count(); i++) { const cpuinfo_package* package = cpuinfo_get_package(i); ASSERT_TRUE(package); for (uint32_t j = 0; j < package->core_count; j++) { const cpuinfo_core* core = cpuinfo_get_core(package->core_start + j); ASSERT_TRUE(core); EXPECT_EQ(package, core->package); } } cpuinfo_deinitialize(); } TEST(PACKAGE, non_zero_clusters) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_packages_count(); i++) { const cpuinfo_package* package = cpuinfo_get_package(i); ASSERT_TRUE(package); EXPECT_NE(0, package->cluster_count); } cpuinfo_deinitialize(); } TEST(PACKAGE, valid_clusters) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_packages_count(); i++) { const cpuinfo_package* package = cpuinfo_get_package(i); ASSERT_TRUE(package); EXPECT_LT(package->cluster_start, cpuinfo_get_clusters_count()); EXPECT_LE(package->cluster_start + package->cluster_count, cpuinfo_get_clusters_count()); } cpuinfo_deinitialize(); } TEST(PACKAGE, consistent_cluster) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_packages_count(); i++) { const cpuinfo_package* package = cpuinfo_get_package(i); ASSERT_TRUE(package); for (uint32_t j = 0; j < package->cluster_count; j++) { const cpuinfo_cluster* cluster = cpuinfo_get_cluster(package->cluster_start + j); ASSERT_TRUE(cluster); EXPECT_EQ(package, cluster->package); } } cpuinfo_deinitialize(); } TEST(UARCHS_COUNT, within_bounds) { ASSERT_TRUE(cpuinfo_initialize()); EXPECT_NE(0, cpuinfo_get_uarchs_count()); EXPECT_LE(cpuinfo_get_packages_count(), cpuinfo_get_cores_count()); EXPECT_LE(cpuinfo_get_packages_count(), cpuinfo_get_processors_count()); cpuinfo_deinitialize(); } TEST(UARCHS, non_null) { ASSERT_TRUE(cpuinfo_initialize()); EXPECT_TRUE(cpuinfo_get_uarchs()); cpuinfo_deinitialize(); } TEST(UARCH, non_null) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_uarchs_count(); i++) { EXPECT_TRUE(cpuinfo_get_uarch(i)); } cpuinfo_deinitialize(); } TEST(UARCH, non_zero_processors) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_uarchs_count(); i++) { const cpuinfo_uarch_info* uarch = cpuinfo_get_uarch(i); ASSERT_TRUE(uarch); EXPECT_NE(0, uarch->processor_count); } cpuinfo_deinitialize(); } TEST(UARCH, valid_processors) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_uarchs_count(); i++) { const cpuinfo_uarch_info* uarch = cpuinfo_get_uarch(i); ASSERT_TRUE(uarch); EXPECT_LE(uarch->processor_count, cpuinfo_get_processors_count()); } cpuinfo_deinitialize(); } TEST(UARCH, non_zero_cores) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_uarchs_count(); i++) { const cpuinfo_uarch_info* uarch = cpuinfo_get_uarch(i); ASSERT_TRUE(uarch); EXPECT_NE(0, uarch->core_count); } cpuinfo_deinitialize(); } TEST(UARCH, valid_cores) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_uarchs_count(); i++) { const cpuinfo_uarch_info* uarch = cpuinfo_get_uarch(i); ASSERT_TRUE(uarch); EXPECT_LE(uarch->core_count, cpuinfo_get_cores_count()); } cpuinfo_deinitialize(); } TEST(L1I_CACHES_COUNT, within_bounds) { ASSERT_TRUE(cpuinfo_initialize()); EXPECT_NE(0, cpuinfo_get_l1i_caches_count()); EXPECT_LE(cpuinfo_get_l1i_caches_count(), cpuinfo_get_processors_count()); cpuinfo_deinitialize(); } TEST(L1I_CACHES, non_null) { ASSERT_TRUE(cpuinfo_initialize()); EXPECT_TRUE(cpuinfo_get_l1i_caches()); cpuinfo_deinitialize(); } TEST(L1I_CACHE, non_null) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l1i_caches_count(); i++) { EXPECT_TRUE(cpuinfo_get_l1i_cache(i)); } cpuinfo_deinitialize(); } TEST(L1I_CACHE, non_zero_size) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l1i_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l1i_cache(i); ASSERT_TRUE(cache); EXPECT_NE(0, cache->size); } cpuinfo_deinitialize(); } TEST(L1I_CACHE, valid_size) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l1i_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l1i_cache(i); ASSERT_TRUE(cache); EXPECT_EQ(cache->size, cache->associativity * cache->sets * cache->partitions * cache->line_size); } cpuinfo_deinitialize(); } TEST(L1I_CACHE, non_zero_associativity) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l1i_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l1i_cache(i); ASSERT_TRUE(cache); EXPECT_NE(0, cache->associativity); } cpuinfo_deinitialize(); } TEST(L1I_CACHE, non_zero_partitions) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l1i_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l1i_cache(i); ASSERT_TRUE(cache); EXPECT_NE(0, cache->partitions); } cpuinfo_deinitialize(); } TEST(L1I_CACHE, non_zero_line_size) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l1i_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l1i_cache(i); ASSERT_TRUE(cache); EXPECT_NE(0, cache->line_size); } cpuinfo_deinitialize(); } TEST(L1I_CACHE, power_of_2_line_size) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l1i_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l1i_cache(i); ASSERT_TRUE(cache); const uint32_t line_size = cache->line_size; EXPECT_NE(0, line_size); EXPECT_EQ(0, line_size & (line_size - 1)); } cpuinfo_deinitialize(); } TEST(L1I_CACHE, reasonable_line_size) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l1i_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l1i_cache(i); ASSERT_TRUE(cache); EXPECT_GE(cache->line_size, 16); EXPECT_LE(cache->line_size, 128); } cpuinfo_deinitialize(); } TEST(L1I_CACHE, valid_flags) { ASSERT_TRUE(cpuinfo_initialize()); const uint32_t valid_flags = CPUINFO_CACHE_UNIFIED | CPUINFO_CACHE_INCLUSIVE | CPUINFO_CACHE_COMPLEX_INDEXING; for (uint32_t i = 0; i < cpuinfo_get_l1i_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l1i_cache(i); ASSERT_TRUE(cache); EXPECT_EQ(0, cache->flags & ~valid_flags); } cpuinfo_deinitialize(); } TEST(L1I_CACHE, non_inclusive) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l1i_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l1i_cache(i); ASSERT_TRUE(cache); EXPECT_NE(CPUINFO_CACHE_INCLUSIVE, cache->flags & CPUINFO_CACHE_INCLUSIVE); } cpuinfo_deinitialize(); } TEST(L1I_CACHE, non_zero_processors) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l1i_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l1i_cache(i); ASSERT_TRUE(cache); EXPECT_NE(0, cache->processor_count); } cpuinfo_deinitialize(); } TEST(L1I_CACHE, valid_processors) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l1i_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l1i_cache(i); ASSERT_TRUE(cache); EXPECT_LT(cache->processor_start, cpuinfo_get_processors_count()); EXPECT_LE(cache->processor_start + cache->processor_count, cpuinfo_get_processors_count()); } cpuinfo_deinitialize(); } TEST(L1I_CACHE, consistent_processors) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l1i_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l1i_cache(i); ASSERT_TRUE(cache); for (uint32_t j = 0; j < cache->processor_count; j++) { const cpuinfo_processor* processor = cpuinfo_get_processor(cache->processor_start + j); ASSERT_TRUE(processor); EXPECT_EQ(cache, processor->cache.l1i); } } cpuinfo_deinitialize(); } TEST(L1D_CACHES_COUNT, within_bounds) { ASSERT_TRUE(cpuinfo_initialize()); EXPECT_NE(0, cpuinfo_get_l1d_caches_count()); EXPECT_LE(cpuinfo_get_l1d_caches_count(), cpuinfo_get_processors_count()); cpuinfo_deinitialize(); } TEST(L1D_CACHES, non_null) { ASSERT_TRUE(cpuinfo_initialize()); EXPECT_TRUE(cpuinfo_get_l1d_caches()); cpuinfo_deinitialize(); } TEST(L1D_CACHE, non_null) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l1d_caches_count(); i++) { EXPECT_TRUE(cpuinfo_get_l1d_cache(i)); } cpuinfo_deinitialize(); } TEST(L1D_CACHE, non_zero_size) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l1d_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l1d_cache(i); ASSERT_TRUE(cache); EXPECT_NE(0, cache->size); } cpuinfo_deinitialize(); } TEST(L1D_CACHE, valid_size) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l1d_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l1d_cache(i); ASSERT_TRUE(cache); EXPECT_EQ(cache->size, cache->associativity * cache->sets * cache->partitions * cache->line_size); } cpuinfo_deinitialize(); } TEST(L1D_CACHE, non_zero_associativity) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l1d_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l1d_cache(i); ASSERT_TRUE(cache); EXPECT_NE(0, cache->associativity); } cpuinfo_deinitialize(); } TEST(L1D_CACHE, non_zero_partitions) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l1d_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l1d_cache(i); ASSERT_TRUE(cache); EXPECT_NE(0, cache->partitions); } cpuinfo_deinitialize(); } TEST(L1D_CACHE, non_zero_line_size) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l1d_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l1d_cache(i); ASSERT_TRUE(cache); EXPECT_NE(0, cache->line_size); } cpuinfo_deinitialize(); } TEST(L1D_CACHE, power_of_2_line_size) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l1d_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l1d_cache(i); ASSERT_TRUE(cache); const uint32_t line_size = cache->line_size; EXPECT_NE(0, line_size); EXPECT_EQ(0, line_size & (line_size - 1)); } cpuinfo_deinitialize(); } TEST(L1D_CACHE, reasonable_line_size) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l1d_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l1d_cache(i); ASSERT_TRUE(cache); EXPECT_GE(cache->line_size, 16); EXPECT_LE(cache->line_size, 128); } cpuinfo_deinitialize(); } TEST(L1D_CACHE, valid_flags) { ASSERT_TRUE(cpuinfo_initialize()); const uint32_t valid_flags = CPUINFO_CACHE_UNIFIED | CPUINFO_CACHE_INCLUSIVE | CPUINFO_CACHE_COMPLEX_INDEXING; for (uint32_t i = 0; i < cpuinfo_get_l1d_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l1d_cache(i); ASSERT_TRUE(cache); EXPECT_EQ(0, cache->flags & ~valid_flags); } cpuinfo_deinitialize(); } TEST(L1D_CACHE, non_inclusive) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l1d_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l1d_cache(i); ASSERT_TRUE(cache); EXPECT_NE(CPUINFO_CACHE_INCLUSIVE, cache->flags & CPUINFO_CACHE_INCLUSIVE); } cpuinfo_deinitialize(); } TEST(L1D_CACHE, non_zero_processors) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l1d_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l1d_cache(i); ASSERT_TRUE(cache); EXPECT_NE(0, cache->processor_count); } cpuinfo_deinitialize(); } TEST(L1D_CACHE, valid_processors) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l1d_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l1d_cache(i); ASSERT_TRUE(cache); EXPECT_LT(cache->processor_start, cpuinfo_get_processors_count()); EXPECT_LE(cache->processor_start + cache->processor_count, cpuinfo_get_processors_count()); } cpuinfo_deinitialize(); } TEST(L1D_CACHE, consistent_processors) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l1d_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l1d_cache(i); ASSERT_TRUE(cache); for (uint32_t j = 0; j < cache->processor_count; j++) { const cpuinfo_processor* processor = cpuinfo_get_processor(cache->processor_start + j); ASSERT_TRUE(processor); EXPECT_EQ(cache, processor->cache.l1d); } } cpuinfo_deinitialize(); } TEST(L2_CACHES_COUNT, within_bounds) { ASSERT_TRUE(cpuinfo_initialize()); EXPECT_NE(0, cpuinfo_get_l2_caches_count()); EXPECT_LE(cpuinfo_get_l2_caches_count(), cpuinfo_get_processors_count()); EXPECT_LE(cpuinfo_get_l2_caches_count(), cpuinfo_get_l1d_caches_count()); EXPECT_LE(cpuinfo_get_l2_caches_count(), cpuinfo_get_l1i_caches_count()); cpuinfo_deinitialize(); } TEST(L2_CACHES, non_null) { ASSERT_TRUE(cpuinfo_initialize()); EXPECT_TRUE(cpuinfo_get_l2_caches()); cpuinfo_deinitialize(); } TEST(L2_CACHE, non_null) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l2_caches_count(); i++) { EXPECT_TRUE(cpuinfo_get_l2_cache(i)); } cpuinfo_deinitialize(); } TEST(L2_CACHE, non_zero_size) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l2_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l2_cache(i); ASSERT_TRUE(cache); EXPECT_NE(0, cache->size); } cpuinfo_deinitialize(); } TEST(L2_CACHE, valid_size) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l2_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l2_cache(i); ASSERT_TRUE(cache); EXPECT_EQ(cache->size, cache->associativity * cache->sets * cache->partitions * cache->line_size); } cpuinfo_deinitialize(); } TEST(L2_CACHE, non_zero_associativity) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l2_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l2_cache(i); ASSERT_TRUE(cache); EXPECT_NE(0, cache->associativity); } cpuinfo_deinitialize(); } TEST(L2_CACHE, non_zero_partitions) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l2_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l2_cache(i); ASSERT_TRUE(cache); EXPECT_NE(0, cache->partitions); } cpuinfo_deinitialize(); } TEST(L2_CACHE, non_zero_line_size) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l2_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l2_cache(i); ASSERT_TRUE(cache); EXPECT_NE(0, cache->line_size); } cpuinfo_deinitialize(); } TEST(L2_CACHE, power_of_2_line_size) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l2_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l2_cache(i); ASSERT_TRUE(cache); const uint32_t line_size = cache->line_size; EXPECT_NE(0, line_size); EXPECT_EQ(0, line_size & (line_size - 1)); } cpuinfo_deinitialize(); } TEST(L2_CACHE, reasonable_line_size) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l2_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l2_cache(i); ASSERT_TRUE(cache); EXPECT_GE(cache->line_size, 16); EXPECT_LE(cache->line_size, 128); } cpuinfo_deinitialize(); } TEST(L2_CACHE, valid_flags) { ASSERT_TRUE(cpuinfo_initialize()); const uint32_t valid_flags = CPUINFO_CACHE_UNIFIED | CPUINFO_CACHE_INCLUSIVE | CPUINFO_CACHE_COMPLEX_INDEXING; for (uint32_t i = 0; i < cpuinfo_get_l2_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l2_cache(i); ASSERT_TRUE(cache); EXPECT_EQ(0, cache->flags & ~valid_flags); } cpuinfo_deinitialize(); } TEST(L2_CACHE, non_zero_processors) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l2_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l2_cache(i); ASSERT_TRUE(cache); EXPECT_NE(0, cache->processor_count); } cpuinfo_deinitialize(); } TEST(L2_CACHE, valid_processors) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l2_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l2_cache(i); ASSERT_TRUE(cache); EXPECT_LT(cache->processor_start, cpuinfo_get_processors_count()); EXPECT_LE(cache->processor_start + cache->processor_count, cpuinfo_get_processors_count()); } cpuinfo_deinitialize(); } TEST(L2_CACHE, consistent_processors) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l2_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l2_cache(i); ASSERT_TRUE(cache); for (uint32_t j = 0; j < cache->processor_count; j++) { const cpuinfo_processor* processor = cpuinfo_get_processor(cache->processor_start + j); ASSERT_TRUE(processor); EXPECT_EQ(cache, processor->cache.l2); } } cpuinfo_deinitialize(); } TEST(L3_CACHES_COUNT, within_bounds) { ASSERT_TRUE(cpuinfo_initialize()); EXPECT_LE(cpuinfo_get_l3_caches_count(), cpuinfo_get_processors_count()); EXPECT_LE(cpuinfo_get_l3_caches_count(), cpuinfo_get_l2_caches_count()); cpuinfo_deinitialize(); } TEST(L3_CACHE, non_null) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l3_caches_count(); i++) { EXPECT_TRUE(cpuinfo_get_l3_cache(i)); } cpuinfo_deinitialize(); } TEST(L3_CACHE, non_zero_size) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l3_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l3_cache(i); ASSERT_TRUE(cache); EXPECT_NE(0, cache->size); } cpuinfo_deinitialize(); } TEST(L3_CACHE, valid_size) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l3_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l3_cache(i); ASSERT_TRUE(cache); EXPECT_EQ(cache->size, cache->associativity * cache->sets * cache->partitions * cache->line_size); } cpuinfo_deinitialize(); } TEST(L3_CACHE, non_zero_associativity) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l3_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l3_cache(i); ASSERT_TRUE(cache); EXPECT_NE(0, cache->associativity); } cpuinfo_deinitialize(); } TEST(L3_CACHE, non_zero_partitions) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l3_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l3_cache(i); ASSERT_TRUE(cache); EXPECT_NE(0, cache->partitions); } cpuinfo_deinitialize(); } TEST(L3_CACHE, non_zero_line_size) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l3_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l3_cache(i); ASSERT_TRUE(cache); EXPECT_NE(0, cache->line_size); } cpuinfo_deinitialize(); } TEST(L3_CACHE, power_of_2_line_size) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l3_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l3_cache(i); ASSERT_TRUE(cache); const uint32_t line_size = cache->line_size; EXPECT_NE(0, line_size); EXPECT_EQ(0, line_size & (line_size - 1)); } cpuinfo_deinitialize(); } TEST(L3_CACHE, reasonable_line_size) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l3_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l3_cache(i); ASSERT_TRUE(cache); EXPECT_GE(cache->line_size, 16); EXPECT_LE(cache->line_size, 128); } cpuinfo_deinitialize(); } TEST(L3_CACHE, valid_flags) { ASSERT_TRUE(cpuinfo_initialize()); const uint32_t valid_flags = CPUINFO_CACHE_UNIFIED | CPUINFO_CACHE_INCLUSIVE | CPUINFO_CACHE_COMPLEX_INDEXING; for (uint32_t i = 0; i < cpuinfo_get_l3_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l3_cache(i); ASSERT_TRUE(cache); EXPECT_EQ(0, cache->flags & ~valid_flags); } cpuinfo_deinitialize(); } TEST(L3_CACHE, non_zero_processors) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l3_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l3_cache(i); ASSERT_TRUE(cache); EXPECT_NE(0, cache->processor_count); } cpuinfo_deinitialize(); } TEST(L3_CACHE, valid_processors) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l3_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l3_cache(i); ASSERT_TRUE(cache); EXPECT_LT(cache->processor_start, cpuinfo_get_processors_count()); EXPECT_LE(cache->processor_start + cache->processor_count, cpuinfo_get_processors_count()); } cpuinfo_deinitialize(); } TEST(L3_CACHE, consistent_processors) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l3_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l3_cache(i); ASSERT_TRUE(cache); for (uint32_t j = 0; j < cache->processor_count; j++) { const cpuinfo_processor* processor = cpuinfo_get_processor(cache->processor_start + j); ASSERT_TRUE(processor); EXPECT_EQ(cache, processor->cache.l3); } } cpuinfo_deinitialize(); } TEST(L4_CACHES_COUNT, within_bounds) { ASSERT_TRUE(cpuinfo_initialize()); EXPECT_LE(cpuinfo_get_l4_caches_count(), cpuinfo_get_processors_count()); EXPECT_LE(cpuinfo_get_l4_caches_count(), cpuinfo_get_l3_caches_count()); cpuinfo_deinitialize(); } TEST(L4_CACHE, non_null) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l4_caches_count(); i++) { EXPECT_TRUE(cpuinfo_get_l4_cache(i)); } cpuinfo_deinitialize(); } TEST(L4_CACHE, non_zero_size) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l4_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l4_cache(i); ASSERT_TRUE(cache); EXPECT_NE(0, cache->size); } cpuinfo_deinitialize(); } TEST(L4_CACHE, valid_size) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l4_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l4_cache(i); ASSERT_TRUE(cache); EXPECT_EQ(cache->size, cache->associativity * cache->sets * cache->partitions * cache->line_size); } cpuinfo_deinitialize(); } TEST(L4_CACHE, non_zero_associativity) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l4_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l4_cache(i); ASSERT_TRUE(cache); EXPECT_NE(0, cache->associativity); } cpuinfo_deinitialize(); } TEST(L4_CACHE, non_zero_partitions) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l4_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l4_cache(i); ASSERT_TRUE(cache); EXPECT_NE(0, cache->partitions); } cpuinfo_deinitialize(); } TEST(L4_CACHE, non_zero_line_size) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l4_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l4_cache(i); ASSERT_TRUE(cache); EXPECT_NE(0, cache->line_size); } cpuinfo_deinitialize(); } TEST(L4_CACHE, power_of_2_line_size) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l4_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l4_cache(i); ASSERT_TRUE(cache); const uint32_t line_size = cache->line_size; EXPECT_NE(0, line_size); EXPECT_EQ(0, line_size & (line_size - 1)); } cpuinfo_deinitialize(); } TEST(L4_CACHE, reasonable_line_size) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l4_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l4_cache(i); ASSERT_TRUE(cache); EXPECT_GE(cache->line_size, 16); EXPECT_LE(cache->line_size, 128); } cpuinfo_deinitialize(); } TEST(L4_CACHE, valid_flags) { ASSERT_TRUE(cpuinfo_initialize()); const uint32_t valid_flags = CPUINFO_CACHE_UNIFIED | CPUINFO_CACHE_INCLUSIVE | CPUINFO_CACHE_COMPLEX_INDEXING; for (uint32_t i = 0; i < cpuinfo_get_l4_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l4_cache(i); ASSERT_TRUE(cache); EXPECT_EQ(0, cache->flags & ~valid_flags); } cpuinfo_deinitialize(); } TEST(L4_CACHE, non_zero_processors) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l4_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l4_cache(i); ASSERT_TRUE(cache); EXPECT_NE(0, cache->processor_count); } cpuinfo_deinitialize(); } TEST(L4_CACHE, valid_processors) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l4_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l4_cache(i); ASSERT_TRUE(cache); EXPECT_LT(cache->processor_start, cpuinfo_get_processors_count()); EXPECT_LE(cache->processor_start + cache->processor_count, cpuinfo_get_processors_count()); } cpuinfo_deinitialize(); } TEST(L4_CACHE, consistent_processors) { ASSERT_TRUE(cpuinfo_initialize()); for (uint32_t i = 0; i < cpuinfo_get_l4_caches_count(); i++) { const cpuinfo_cache* cache = cpuinfo_get_l4_cache(i); ASSERT_TRUE(cache); for (uint32_t j = 0; j < cache->processor_count; j++) { const cpuinfo_processor* processor = cpuinfo_get_processor(cache->processor_start + j); ASSERT_TRUE(processor); EXPECT_EQ(cache, processor->cache.l4); } } cpuinfo_deinitialize(); }