| /* |
| * SMP parsing unit-tests |
| * |
| * Copyright (c) 2021 Huawei Technologies Co., Ltd |
| * |
| * Authors: |
| * Yanan Wang <wangyanan55@huawei.com> |
| * |
| * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. |
| * See the COPYING.LIB file in the top-level directory. |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "qom/object.h" |
| #include "qemu/module.h" |
| #include "qapi/error.h" |
| |
| #include "hw/boards.h" |
| |
| #define T true |
| #define F false |
| |
| #define MIN_CPUS 1 /* set the min CPUs supported by the machine as 1 */ |
| #define MAX_CPUS 512 /* set the max CPUs supported by the machine as 512 */ |
| |
| #define SMP_MACHINE_NAME "TEST-SMP" |
| |
| /* |
| * Used to define the generic 3-level CPU topology hierarchy |
| * -sockets/cores/threads |
| */ |
| #define SMP_CONFIG_GENERIC(ha, a, hb, b, hc, c, hd, d, he, e) \ |
| { \ |
| .has_cpus = ha, .cpus = a, \ |
| .has_sockets = hb, .sockets = b, \ |
| .has_cores = hc, .cores = c, \ |
| .has_threads = hd, .threads = d, \ |
| .has_maxcpus = he, .maxcpus = e, \ |
| } |
| |
| #define CPU_TOPOLOGY_GENERIC(a, b, c, d, e) \ |
| { \ |
| .cpus = a, \ |
| .sockets = b, \ |
| .cores = c, \ |
| .threads = d, \ |
| .max_cpus = e, \ |
| } |
| |
| /* |
| * Currently a 4-level topology hierarchy is supported on PC machines |
| * -sockets/dies/cores/threads |
| */ |
| #define SMP_CONFIG_WITH_DIES(ha, a, hb, b, hc, c, hd, d, he, e, hf, f) \ |
| { \ |
| .has_cpus = ha, .cpus = a, \ |
| .has_sockets = hb, .sockets = b, \ |
| .has_dies = hc, .dies = c, \ |
| .has_cores = hd, .cores = d, \ |
| .has_threads = he, .threads = e, \ |
| .has_maxcpus = hf, .maxcpus = f, \ |
| } |
| |
| /* |
| * Currently a 4-level topology hierarchy is supported on ARM virt machines |
| * -sockets/clusters/cores/threads |
| */ |
| #define SMP_CONFIG_WITH_CLUSTERS(ha, a, hb, b, hc, c, hd, d, he, e, hf, f) \ |
| { \ |
| .has_cpus = ha, .cpus = a, \ |
| .has_sockets = hb, .sockets = b, \ |
| .has_clusters = hc, .clusters = c, \ |
| .has_cores = hd, .cores = d, \ |
| .has_threads = he, .threads = e, \ |
| .has_maxcpus = hf, .maxcpus = f, \ |
| } |
| |
| /** |
| * @config - the given SMP configuration |
| * @expect_prefer_sockets - the expected parsing result for the |
| * valid configuration, when sockets are preferred over cores |
| * @expect_prefer_cores - the expected parsing result for the |
| * valid configuration, when cores are preferred over sockets |
| * @expect_error - the expected error report when the given |
| * configuration is invalid |
| */ |
| typedef struct SMPTestData { |
| SMPConfiguration config; |
| CpuTopology expect_prefer_sockets; |
| CpuTopology expect_prefer_cores; |
| const char *expect_error; |
| } SMPTestData; |
| |
| /* |
| * List all the possible valid sub-collections of the generic 5 |
| * topology parameters (i.e. cpus/maxcpus/sockets/cores/threads), |
| * then test the automatic calculation algorithm of the missing |
| * values in the parser. |
| */ |
| static const struct SMPTestData data_generic_valid[] = { |
| { |
| /* config: no configuration provided |
| * expect: cpus=1,sockets=1,cores=1,threads=1,maxcpus=1 */ |
| .config = SMP_CONFIG_GENERIC(F, 0, F, 0, F, 0, F, 0, F, 0), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(1, 1, 1, 1, 1), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(1, 1, 1, 1, 1), |
| }, { |
| /* config: -smp 8 |
| * prefer_sockets: cpus=8,sockets=8,cores=1,threads=1,maxcpus=8 |
| * prefer_cores: cpus=8,sockets=1,cores=8,threads=1,maxcpus=8 */ |
| .config = SMP_CONFIG_GENERIC(T, 8, F, 0, F, 0, F, 0, F, 0), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(8, 8, 1, 1, 8), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(8, 1, 8, 1, 8), |
| }, { |
| /* config: -smp sockets=2 |
| * expect: cpus=2,sockets=2,cores=1,threads=1,maxcpus=2 */ |
| .config = SMP_CONFIG_GENERIC(F, 0, T, 2, F, 0, F, 0, F, 0), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(2, 2, 1, 1, 2), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(2, 2, 1, 1, 2), |
| }, { |
| /* config: -smp cores=4 |
| * expect: cpus=4,sockets=1,cores=4,threads=1,maxcpus=4 */ |
| .config = SMP_CONFIG_GENERIC(F, 0, F, 0, T, 4, F, 0, F, 0), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(4, 1, 4, 1, 4), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(4, 1, 4, 1, 4), |
| }, { |
| /* config: -smp threads=2 |
| * expect: cpus=2,sockets=1,cores=1,threads=2,maxcpus=2 */ |
| .config = SMP_CONFIG_GENERIC(F, 0, F, 0, F, 0, T, 2, F, 0), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(2, 1, 1, 2, 2), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(2, 1, 1, 2, 2), |
| }, { |
| /* config: -smp maxcpus=16 |
| * prefer_sockets: cpus=16,sockets=16,cores=1,threads=1,maxcpus=16 |
| * prefer_cores: cpus=16,sockets=1,cores=16,threads=1,maxcpus=16 */ |
| .config = SMP_CONFIG_GENERIC(F, 0, F, 0, F, 0, F, 0, T, 16), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(16, 16, 1, 1, 16), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(16, 1, 16, 1, 16), |
| }, { |
| /* config: -smp 8,sockets=2 |
| * expect: cpus=8,sockets=2,cores=4,threads=1,maxcpus=8 */ |
| .config = SMP_CONFIG_GENERIC(T, 8, T, 2, F, 0, F, 0, F, 0), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(8, 2, 4, 1, 8), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(8, 2, 4, 1, 8), |
| }, { |
| /* config: -smp 8,cores=4 |
| * expect: cpus=8,sockets=2,cores=4,threads=1,maxcpus=8 */ |
| .config = SMP_CONFIG_GENERIC(T, 8, F, 0, T, 4, F, 0, F, 0), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(8, 2, 4, 1, 8), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(8, 2, 4, 1, 8), |
| }, { |
| /* config: -smp 8,threads=2 |
| * prefer_sockets: cpus=8,sockets=4,cores=1,threads=2,maxcpus=8 |
| * prefer_cores: cpus=8,sockets=1,cores=4,threads=2,maxcpus=8 */ |
| .config = SMP_CONFIG_GENERIC(T, 8, F, 0, F, 0, T, 2, F, 0), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(8, 4, 1, 2, 8), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(8, 1, 4, 2, 8), |
| }, { |
| /* config: -smp 8,maxcpus=16 |
| * prefer_sockets: cpus=8,sockets=16,cores=1,threads=1,maxcpus=16 |
| * prefer_cores: cpus=8,sockets=1,cores=16,threads=1,maxcpus=16 */ |
| .config = SMP_CONFIG_GENERIC(T, 8, F, 0, F, 0, F, 0, T, 16), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(8, 16, 1, 1, 16), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(8, 1, 16, 1, 16), |
| }, { |
| /* config: -smp sockets=2,cores=4 |
| * expect: cpus=8,sockets=2,cores=4,threads=1,maxcpus=8 */ |
| .config = SMP_CONFIG_GENERIC(F, 0, T, 2, T, 4, F, 0, F, 0), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(8, 2, 4, 1, 8), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(8, 2, 4, 1, 8), |
| }, { |
| /* config: -smp sockets=2,threads=2 |
| * expect: cpus=4,sockets=2,cores=1,threads=2,maxcpus=4 */ |
| .config = SMP_CONFIG_GENERIC(F, 0, T, 2, F, 0, T, 2, F, 0), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(4, 2, 1, 2, 4), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(4, 2, 1, 2, 4), |
| }, { |
| /* config: -smp sockets=2,maxcpus=16 |
| * expect: cpus=16,sockets=2,cores=8,threads=1,maxcpus=16 */ |
| .config = SMP_CONFIG_GENERIC(F, 0, T, 2, F, 0, F, 0, T, 16), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(16, 2, 8, 1, 16), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(16, 2, 8, 1, 16), |
| }, { |
| /* config: -smp cores=4,threads=2 |
| * expect: cpus=8,sockets=1,cores=4,threads=2,maxcpus=8 */ |
| .config = SMP_CONFIG_GENERIC(F, 0, F, 0, T, 4, T, 2, F, 0), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(8, 1, 4, 2, 8), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(8, 1, 4, 2, 8), |
| }, { |
| /* config: -smp cores=4,maxcpus=16 |
| * expect: cpus=16,sockets=4,cores=4,threads=1,maxcpus=16 */ |
| .config = SMP_CONFIG_GENERIC(F, 0, F, 0, T, 4, F, 0, T, 16), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(16, 4, 4, 1, 16), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(16, 4, 4, 1, 16), |
| }, { |
| /* config: -smp threads=2,maxcpus=16 |
| * prefer_sockets: cpus=16,sockets=8,cores=1,threads=2,maxcpus=16 |
| * prefer_cores: cpus=16,sockets=1,cores=8,threads=2,maxcpus=16 */ |
| .config = SMP_CONFIG_GENERIC(F, 0, F, 0, F, 0, T, 2, T, 16), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(16, 8, 1, 2, 16), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(16, 1, 8, 2, 16), |
| }, { |
| /* config: -smp 8,sockets=2,cores=4 |
| * expect: cpus=8,sockets=2,cores=4,threads=1,maxcpus=8 */ |
| .config = SMP_CONFIG_GENERIC(T, 8, T, 2, T, 4, F, 0, F, 0), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(8, 2, 4, 1, 8), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(8, 2, 4, 1, 8), |
| }, { |
| /* config: -smp 8,sockets=2,threads=2 |
| * expect: cpus=8,sockets=2,cores=2,threads=2,maxcpus=8 */ |
| .config = SMP_CONFIG_GENERIC(T, 8, T, 2, F, 0, T, 2, F, 0), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(8, 2, 2, 2, 8), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(8, 2, 2, 2, 8), |
| }, { |
| /* config: -smp 8,sockets=2,maxcpus=16 |
| * expect: cpus=8,sockets=2,cores=8,threads=1,maxcpus=16 */ |
| .config = SMP_CONFIG_GENERIC(T, 8, T, 2, F, 0, F, 0, T, 16), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(8, 2, 8, 1, 16), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(8, 2, 8, 1, 16), |
| }, { |
| /* config: -smp 8,cores=4,threads=2 |
| * expect: cpus=8,sockets=1,cores=4,threads=2,maxcpus=8 */ |
| .config = SMP_CONFIG_GENERIC(T, 8, F, 0, T, 4, T, 2, F, 0), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(8, 1, 4, 2, 8), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(8, 1, 4, 2, 8), |
| }, { |
| /* config: -smp 8,cores=4,maxcpus=16 |
| * expect: cpus=8,sockets=4,cores=4,threads=1,maxcpus=16 */ |
| .config = SMP_CONFIG_GENERIC(T, 8, F, 0, T, 4, F, 0, T, 16), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(8, 4, 4, 1, 16), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(8, 4, 4, 1, 16), |
| }, { |
| /* config: -smp 8,threads=2,maxcpus=16 |
| * prefer_sockets: cpus=8,sockets=8,cores=1,threads=2,maxcpus=16 |
| * prefer_cores: cpus=8,sockets=1,cores=8,threads=2,maxcpus=16 */ |
| .config = SMP_CONFIG_GENERIC(T, 8, F, 0, F, 0, T, 2, T, 16), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(8, 8, 1, 2, 16), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(8, 1, 8, 2, 16), |
| }, { |
| /* config: -smp sockets=2,cores=4,threads=2 |
| * expect: cpus=16,sockets=2,cores=4,threads=2,maxcpus=16 */ |
| .config = SMP_CONFIG_GENERIC(F, 0, T, 2, T, 4, T, 2, F, 0), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(16, 2, 4, 2, 16), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(16, 2, 4, 2, 16), |
| }, { |
| /* config: -smp sockets=2,cores=4,maxcpus=16 |
| * expect: cpus=16,sockets=2,cores=4,threads=2,maxcpus=16 */ |
| .config = SMP_CONFIG_GENERIC(F, 0, T, 2, T, 4, F, 0, T, 16), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(16, 2, 4, 2, 16), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(16, 2, 4, 2, 16), |
| }, { |
| /* config: -smp sockets=2,threads=2,maxcpus=16 |
| * expect: cpus=16,sockets=2,cores=4,threads=2,maxcpus=16 */ |
| .config = SMP_CONFIG_GENERIC(F, 0, T, 2, F, 0, T, 2, T, 16), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(16, 2, 4, 2, 16), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(16, 2, 4, 2, 16), |
| }, { |
| /* config: -smp cores=4,threads=2,maxcpus=16 |
| * expect: cpus=16,sockets=2,cores=4,threads=2,maxcpus=16 */ |
| .config = SMP_CONFIG_GENERIC(F, 0, F, 0, T, 4, T, 2, T, 16), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(16, 2, 4, 2, 16), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(16, 2, 4, 2, 16), |
| }, { |
| /* config: -smp 8,sockets=2,cores=4,threads=1 |
| * expect: cpus=8,sockets=2,cores=4,threads=1,maxcpus=8 */ |
| .config = SMP_CONFIG_GENERIC(T, 8, T, 2, T, 4, T, 1, F, 0), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(8, 2, 4, 1, 8), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(8, 2, 4, 1, 8), |
| }, { |
| /* config: -smp 8,sockets=2,cores=4,maxcpus=16 |
| * expect: cpus=8,sockets=2,cores=4,threads=2,maxcpus=16 */ |
| .config = SMP_CONFIG_GENERIC(T, 8, T, 2, T, 4, F, 0, T, 16), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(8, 2, 4, 2, 16), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(8, 2, 4, 2, 16), |
| }, { |
| /* config: -smp 8,sockets=2,threads=2,maxcpus=16 |
| * expect: cpus=8,sockets=2,cores=4,threads=2,maxcpus=16 */ |
| .config = SMP_CONFIG_GENERIC(T, 8, T, 2, F, 0, T, 2, T, 16), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(8, 2, 4, 2, 16), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(8, 2, 4, 2, 16), |
| }, { |
| /* config: -smp 8,cores=4,threads=2,maxcpus=16 |
| * expect: cpus=8,sockets=2,cores=4,threads=2,maxcpus=16 */ |
| .config = SMP_CONFIG_GENERIC(T, 8, F, 0, T, 4, T, 2, T, 16), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(8, 2, 4, 2, 16), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(8, 2, 4, 2, 16), |
| }, { |
| /* config: -smp sockets=2,cores=4,threads=2,maxcpus=16 |
| * expect: cpus=16,sockets=2,cores=4,threads=2,maxcpus=16 */ |
| .config = SMP_CONFIG_GENERIC(F, 0, T, 2, T, 4, T, 2, T, 16), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(16, 2, 4, 2, 16), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(16, 2, 4, 2, 16), |
| }, { |
| /* config: -smp 8,sockets=2,cores=4,threads=2,maxcpus=16 |
| * expect: cpus=8,sockets=2,cores=4,threads=2,maxcpus=16 */ |
| .config = SMP_CONFIG_GENERIC(T, 8, T, 2, T, 4, T, 2, T, 16), |
| .expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(8, 2, 4, 2, 16), |
| .expect_prefer_cores = CPU_TOPOLOGY_GENERIC(8, 2, 4, 2, 16), |
| }, |
| }; |
| |
| static const struct SMPTestData data_generic_invalid[] = { |
| { |
| /* config: -smp 2,dies=2 */ |
| .config = SMP_CONFIG_WITH_DIES(T, 2, F, 0, T, 2, F, 0, F, 0, F, 0), |
| .expect_error = "dies not supported by this machine's CPU topology", |
| }, { |
| /* config: -smp 2,clusters=2 */ |
| .config = SMP_CONFIG_WITH_CLUSTERS(T, 2, F, 0, T, 2, F, 0, F, 0, F, 0), |
| .expect_error = "clusters not supported by this machine's CPU topology", |
| }, { |
| /* config: -smp 8,sockets=2,cores=4,threads=2,maxcpus=8 */ |
| .config = SMP_CONFIG_GENERIC(T, 8, T, 2, T, 4, T, 2, T, 8), |
| .expect_error = "Invalid CPU topology: " |
| "product of the hierarchy must match maxcpus: " |
| "sockets (2) * cores (4) * threads (2) " |
| "!= maxcpus (8)", |
| }, { |
| /* config: -smp 18,sockets=2,cores=4,threads=2,maxcpus=16 */ |
| .config = SMP_CONFIG_GENERIC(T, 18, T, 2, T, 4, T, 2, T, 16), |
| .expect_error = "Invalid CPU topology: " |
| "maxcpus must be equal to or greater than smp: " |
| "sockets (2) * cores (4) * threads (2) " |
| "== maxcpus (16) < smp_cpus (18)", |
| }, { |
| /* config: -smp 1 |
| * should tweak the supported min CPUs to 2 for testing */ |
| .config = SMP_CONFIG_GENERIC(T, 1, F, 0, F, 0, F, 0, F, 0), |
| .expect_error = "Invalid SMP CPUs 1. The min CPUs supported " |
| "by machine '" SMP_MACHINE_NAME "' is 2", |
| }, { |
| /* config: -smp 512 |
| * should tweak the supported max CPUs to 511 for testing */ |
| .config = SMP_CONFIG_GENERIC(T, 512, F, 0, F, 0, F, 0, F, 0), |
| .expect_error = "Invalid SMP CPUs 512. The max CPUs supported " |
| "by machine '" SMP_MACHINE_NAME "' is 511", |
| }, |
| }; |
| |
| static const struct SMPTestData data_with_dies_invalid[] = { |
| { |
| /* config: -smp 16,sockets=2,dies=2,cores=4,threads=2,maxcpus=16 */ |
| .config = SMP_CONFIG_WITH_DIES(T, 16, T, 2, T, 2, T, 4, T, 2, T, 16), |
| .expect_error = "Invalid CPU topology: " |
| "product of the hierarchy must match maxcpus: " |
| "sockets (2) * dies (2) * cores (4) * threads (2) " |
| "!= maxcpus (16)", |
| }, { |
| /* config: -smp 34,sockets=2,dies=2,cores=4,threads=2,maxcpus=32 */ |
| .config = SMP_CONFIG_WITH_DIES(T, 34, T, 2, T, 2, T, 4, T, 2, T, 32), |
| .expect_error = "Invalid CPU topology: " |
| "maxcpus must be equal to or greater than smp: " |
| "sockets (2) * dies (2) * cores (4) * threads (2) " |
| "== maxcpus (32) < smp_cpus (34)", |
| }, |
| }; |
| |
| static const struct SMPTestData data_with_clusters_invalid[] = { |
| { |
| /* config: -smp 16,sockets=2,clusters=2,cores=4,threads=2,maxcpus=16 */ |
| .config = SMP_CONFIG_WITH_CLUSTERS(T, 16, T, 2, T, 2, T, 4, T, 2, T, 16), |
| .expect_error = "Invalid CPU topology: " |
| "product of the hierarchy must match maxcpus: " |
| "sockets (2) * clusters (2) * cores (4) * threads (2) " |
| "!= maxcpus (16)", |
| }, { |
| /* config: -smp 34,sockets=2,clusters=2,cores=4,threads=2,maxcpus=32 */ |
| .config = SMP_CONFIG_WITH_CLUSTERS(T, 34, T, 2, T, 2, T, 4, T, 2, T, 32), |
| .expect_error = "Invalid CPU topology: " |
| "maxcpus must be equal to or greater than smp: " |
| "sockets (2) * clusters (2) * cores (4) * threads (2) " |
| "== maxcpus (32) < smp_cpus (34)", |
| }, |
| }; |
| |
| static char *smp_config_to_string(const SMPConfiguration *config) |
| { |
| return g_strdup_printf( |
| "(SMPConfiguration) {\n" |
| " .has_cpus = %5s, cpus = %" PRId64 ",\n" |
| " .has_sockets = %5s, sockets = %" PRId64 ",\n" |
| " .has_dies = %5s, dies = %" PRId64 ",\n" |
| " .has_clusters = %5s, clusters = %" PRId64 ",\n" |
| " .has_cores = %5s, cores = %" PRId64 ",\n" |
| " .has_threads = %5s, threads = %" PRId64 ",\n" |
| " .has_maxcpus = %5s, maxcpus = %" PRId64 ",\n" |
| "}", |
| config->has_cpus ? "true" : "false", config->cpus, |
| config->has_sockets ? "true" : "false", config->sockets, |
| config->has_dies ? "true" : "false", config->dies, |
| config->has_clusters ? "true" : "false", config->clusters, |
| config->has_cores ? "true" : "false", config->cores, |
| config->has_threads ? "true" : "false", config->threads, |
| config->has_maxcpus ? "true" : "false", config->maxcpus); |
| } |
| |
| static char *cpu_topology_to_string(const CpuTopology *topo) |
| { |
| return g_strdup_printf( |
| "(CpuTopology) {\n" |
| " .cpus = %u,\n" |
| " .sockets = %u,\n" |
| " .dies = %u,\n" |
| " .clusters = %u,\n" |
| " .cores = %u,\n" |
| " .threads = %u,\n" |
| " .max_cpus = %u,\n" |
| "}", |
| topo->cpus, topo->sockets, topo->dies, topo->clusters, |
| topo->cores, topo->threads, topo->max_cpus); |
| } |
| |
| static void check_parse(MachineState *ms, const SMPConfiguration *config, |
| const CpuTopology *expect_topo, const char *expect_err, |
| bool is_valid) |
| { |
| g_autofree char *config_str = smp_config_to_string(config); |
| g_autofree char *expect_topo_str = cpu_topology_to_string(expect_topo); |
| g_autofree char *output_topo_str = NULL; |
| Error *err = NULL; |
| |
| /* call the generic parser */ |
| machine_parse_smp_config(ms, config, &err); |
| |
| output_topo_str = cpu_topology_to_string(&ms->smp); |
| |
| /* when the configuration is supposed to be valid */ |
| if (is_valid) { |
| if ((err == NULL) && |
| (ms->smp.cpus == expect_topo->cpus) && |
| (ms->smp.sockets == expect_topo->sockets) && |
| (ms->smp.dies == expect_topo->dies) && |
| (ms->smp.clusters == expect_topo->clusters) && |
| (ms->smp.cores == expect_topo->cores) && |
| (ms->smp.threads == expect_topo->threads) && |
| (ms->smp.max_cpus == expect_topo->max_cpus)) { |
| return; |
| } |
| |
| if (err != NULL) { |
| g_printerr("Test smp_parse failed!\n" |
| "Input configuration: %s\n" |
| "Should be valid: yes\n" |
| "Expected topology: %s\n\n" |
| "Result is valid: no\n" |
| "Output error report: %s\n", |
| config_str, expect_topo_str, error_get_pretty(err)); |
| goto end; |
| } |
| |
| g_printerr("Test smp_parse failed!\n" |
| "Input configuration: %s\n" |
| "Should be valid: yes\n" |
| "Expected topology: %s\n\n" |
| "Result is valid: yes\n" |
| "Output topology: %s\n", |
| config_str, expect_topo_str, output_topo_str); |
| goto end; |
| } |
| |
| /* when the configuration is supposed to be invalid */ |
| if (err != NULL) { |
| if (expect_err == NULL || |
| g_str_equal(expect_err, error_get_pretty(err))) { |
| error_free(err); |
| return; |
| } |
| |
| g_printerr("Test smp_parse failed!\n" |
| "Input configuration: %s\n" |
| "Should be valid: no\n" |
| "Expected error report: %s\n\n" |
| "Result is valid: no\n" |
| "Output error report: %s\n", |
| config_str, expect_err, error_get_pretty(err)); |
| goto end; |
| } |
| |
| g_printerr("Test smp_parse failed!\n" |
| "Input configuration: %s\n" |
| "Should be valid: no\n" |
| "Expected error report: %s\n\n" |
| "Result is valid: yes\n" |
| "Output topology: %s\n", |
| config_str, expect_err, output_topo_str); |
| |
| end: |
| if (err != NULL) { |
| error_free(err); |
| } |
| |
| abort(); |
| } |
| |
| static void smp_parse_test(MachineState *ms, SMPTestData *data, bool is_valid) |
| { |
| MachineClass *mc = MACHINE_GET_CLASS(ms); |
| |
| mc->smp_props.prefer_sockets = true; |
| check_parse(ms, &data->config, &data->expect_prefer_sockets, |
| data->expect_error, is_valid); |
| |
| mc->smp_props.prefer_sockets = false; |
| check_parse(ms, &data->config, &data->expect_prefer_cores, |
| data->expect_error, is_valid); |
| } |
| |
| /* The parsed results of the unsupported parameters should be 1 */ |
| static void unsupported_params_init(const MachineClass *mc, SMPTestData *data) |
| { |
| if (!mc->smp_props.dies_supported) { |
| data->expect_prefer_sockets.dies = 1; |
| data->expect_prefer_cores.dies = 1; |
| } |
| |
| if (!mc->smp_props.clusters_supported) { |
| data->expect_prefer_sockets.clusters = 1; |
| data->expect_prefer_cores.clusters = 1; |
| } |
| } |
| |
| static void machine_base_class_init(ObjectClass *oc, void *data) |
| { |
| MachineClass *mc = MACHINE_CLASS(oc); |
| |
| mc->min_cpus = MIN_CPUS; |
| mc->max_cpus = MAX_CPUS; |
| |
| mc->name = g_strdup(SMP_MACHINE_NAME); |
| } |
| |
| static void machine_generic_invalid_class_init(ObjectClass *oc, void *data) |
| { |
| MachineClass *mc = MACHINE_CLASS(oc); |
| |
| /* Force invalid min CPUs and max CPUs */ |
| mc->min_cpus = 2; |
| mc->max_cpus = 511; |
| } |
| |
| static void machine_with_dies_class_init(ObjectClass *oc, void *data) |
| { |
| MachineClass *mc = MACHINE_CLASS(oc); |
| |
| mc->smp_props.dies_supported = true; |
| } |
| |
| static void machine_with_clusters_class_init(ObjectClass *oc, void *data) |
| { |
| MachineClass *mc = MACHINE_CLASS(oc); |
| |
| mc->smp_props.clusters_supported = true; |
| } |
| |
| static void test_generic_valid(const void *opaque) |
| { |
| const char *machine_type = opaque; |
| Object *obj = object_new(machine_type); |
| MachineState *ms = MACHINE(obj); |
| MachineClass *mc = MACHINE_GET_CLASS(obj); |
| SMPTestData data = {}; |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(data_generic_valid); i++) { |
| data = data_generic_valid[i]; |
| unsupported_params_init(mc, &data); |
| |
| smp_parse_test(ms, &data, true); |
| |
| /* Unsupported parameters can be provided with their values as 1 */ |
| data.config.has_dies = true; |
| data.config.dies = 1; |
| smp_parse_test(ms, &data, true); |
| } |
| |
| object_unref(obj); |
| } |
| |
| static void test_generic_invalid(const void *opaque) |
| { |
| const char *machine_type = opaque; |
| Object *obj = object_new(machine_type); |
| MachineState *ms = MACHINE(obj); |
| MachineClass *mc = MACHINE_GET_CLASS(obj); |
| SMPTestData data = {}; |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(data_generic_invalid); i++) { |
| data = data_generic_invalid[i]; |
| unsupported_params_init(mc, &data); |
| |
| smp_parse_test(ms, &data, false); |
| } |
| |
| object_unref(obj); |
| } |
| |
| static void test_with_dies(const void *opaque) |
| { |
| const char *machine_type = opaque; |
| Object *obj = object_new(machine_type); |
| MachineState *ms = MACHINE(obj); |
| MachineClass *mc = MACHINE_GET_CLASS(obj); |
| SMPTestData data = {}; |
| unsigned int num_dies = 2; |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(data_generic_valid); i++) { |
| data = data_generic_valid[i]; |
| unsupported_params_init(mc, &data); |
| |
| /* when dies parameter is omitted, it will be set as 1 */ |
| data.expect_prefer_sockets.dies = 1; |
| data.expect_prefer_cores.dies = 1; |
| |
| smp_parse_test(ms, &data, true); |
| |
| /* when dies parameter is specified */ |
| data.config.has_dies = true; |
| data.config.dies = num_dies; |
| if (data.config.has_cpus) { |
| data.config.cpus *= num_dies; |
| } |
| if (data.config.has_maxcpus) { |
| data.config.maxcpus *= num_dies; |
| } |
| |
| data.expect_prefer_sockets.dies = num_dies; |
| data.expect_prefer_sockets.cpus *= num_dies; |
| data.expect_prefer_sockets.max_cpus *= num_dies; |
| data.expect_prefer_cores.dies = num_dies; |
| data.expect_prefer_cores.cpus *= num_dies; |
| data.expect_prefer_cores.max_cpus *= num_dies; |
| |
| smp_parse_test(ms, &data, true); |
| } |
| |
| for (i = 0; i < ARRAY_SIZE(data_with_dies_invalid); i++) { |
| data = data_with_dies_invalid[i]; |
| unsupported_params_init(mc, &data); |
| |
| smp_parse_test(ms, &data, false); |
| } |
| |
| object_unref(obj); |
| } |
| |
| static void test_with_clusters(const void *opaque) |
| { |
| const char *machine_type = opaque; |
| Object *obj = object_new(machine_type); |
| MachineState *ms = MACHINE(obj); |
| MachineClass *mc = MACHINE_GET_CLASS(obj); |
| SMPTestData data = {}; |
| unsigned int num_clusters = 2; |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(data_generic_valid); i++) { |
| data = data_generic_valid[i]; |
| unsupported_params_init(mc, &data); |
| |
| /* when clusters parameter is omitted, it will be set as 1 */ |
| data.expect_prefer_sockets.clusters = 1; |
| data.expect_prefer_cores.clusters = 1; |
| |
| smp_parse_test(ms, &data, true); |
| |
| /* when clusters parameter is specified */ |
| data.config.has_clusters = true; |
| data.config.clusters = num_clusters; |
| if (data.config.has_cpus) { |
| data.config.cpus *= num_clusters; |
| } |
| if (data.config.has_maxcpus) { |
| data.config.maxcpus *= num_clusters; |
| } |
| |
| data.expect_prefer_sockets.clusters = num_clusters; |
| data.expect_prefer_sockets.cpus *= num_clusters; |
| data.expect_prefer_sockets.max_cpus *= num_clusters; |
| data.expect_prefer_cores.clusters = num_clusters; |
| data.expect_prefer_cores.cpus *= num_clusters; |
| data.expect_prefer_cores.max_cpus *= num_clusters; |
| |
| smp_parse_test(ms, &data, true); |
| } |
| |
| for (i = 0; i < ARRAY_SIZE(data_with_clusters_invalid); i++) { |
| data = data_with_clusters_invalid[i]; |
| unsupported_params_init(mc, &data); |
| |
| smp_parse_test(ms, &data, false); |
| } |
| |
| object_unref(obj); |
| } |
| |
| /* Type info of the tested machine */ |
| static const TypeInfo smp_machine_types[] = { |
| { |
| .name = TYPE_MACHINE, |
| .parent = TYPE_OBJECT, |
| .abstract = true, |
| .class_init = machine_base_class_init, |
| .class_size = sizeof(MachineClass), |
| .instance_size = sizeof(MachineState), |
| }, { |
| .name = MACHINE_TYPE_NAME("smp-generic-valid"), |
| .parent = TYPE_MACHINE, |
| }, { |
| .name = MACHINE_TYPE_NAME("smp-generic-invalid"), |
| .parent = TYPE_MACHINE, |
| .class_init = machine_generic_invalid_class_init, |
| }, { |
| .name = MACHINE_TYPE_NAME("smp-with-dies"), |
| .parent = TYPE_MACHINE, |
| .class_init = machine_with_dies_class_init, |
| }, { |
| .name = MACHINE_TYPE_NAME("smp-with-clusters"), |
| .parent = TYPE_MACHINE, |
| .class_init = machine_with_clusters_class_init, |
| } |
| }; |
| |
| DEFINE_TYPES(smp_machine_types) |
| |
| int main(int argc, char *argv[]) |
| { |
| module_call_init(MODULE_INIT_QOM); |
| |
| g_test_init(&argc, &argv, NULL); |
| |
| g_test_add_data_func("/test-smp-parse/generic/valid", |
| MACHINE_TYPE_NAME("smp-generic-valid"), |
| test_generic_valid); |
| g_test_add_data_func("/test-smp-parse/generic/invalid", |
| MACHINE_TYPE_NAME("smp-generic-invalid"), |
| test_generic_invalid); |
| g_test_add_data_func("/test-smp-parse/with_dies", |
| MACHINE_TYPE_NAME("smp-with-dies"), |
| test_with_dies); |
| g_test_add_data_func("/test-smp-parse/with_clusters", |
| MACHINE_TYPE_NAME("smp-with-clusters"), |
| test_with_clusters); |
| |
| g_test_run(); |
| |
| return 0; |
| } |
