qemu/tests/unit/test-smp-parse.c
Daniel P. Berrangé e68dcbb079 tests: add testing of parameter=1 for SMP topology
Validate that it is possible to pass 'parameter=1' for any SMP topology
parameter, since unsupported parameters are implicitly considered to
always have a value of 1.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Message-ID: <20240513123358.612355-3-berrange@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-05-17 16:49:04 +02:00

1359 lines
54 KiB
C

/*
* 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 4096 /* set the max CPUs supported by the machine as 4096 */
#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, \
}
/*
* Currently a 5-level topology hierarchy is supported on s390 ccw machines
* -drawers/books/sockets/cores/threads
*/
#define SMP_CONFIG_WITH_BOOKS_DRAWERS(ha, a, hb, b, hc, c, hd, \
d, he, e, hf, f, hg, g) \
{ \
.has_cpus = ha, .cpus = a, \
.has_drawers = hb, .drawers = b, \
.has_books = hc, .books = c, \
.has_sockets = hd, .sockets = d, \
.has_cores = he, .cores = e, \
.has_threads = hf, .threads = f, \
.has_maxcpus = hg, .maxcpus = g, \
}
/*
* Currently QEMU supports up to a 7-level topology hierarchy, which is the
* QEMU's unified abstract representation of CPU topology.
* -drawers/books/sockets/dies/clusters/cores/threads
*/
#define SMP_CONFIG_WITH_FULL_TOPO(a, b, c, d, e, f, g, h, i) \
{ \
.has_cpus = true, .cpus = a, \
.has_drawers = true, .drawers = b, \
.has_books = true, .books = c, \
.has_sockets = true, .sockets = d, \
.has_dies = true, .dies = e, \
.has_clusters = true, .clusters = f, \
.has_cores = true, .cores = g, \
.has_threads = true, .threads = h, \
.has_maxcpus = true, .maxcpus = i, \
}
/**
* @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),
}, {
/*
* Unsupported parameters are always allowed to be set to '1'
* config: -smp 8,books=1,drawers=1,sockets=2,modules=1,dies=1,cores=2,threads=2,maxcpus=8
* expect: cpus=8,sockets=2,cores=2,threads=2,maxcpus=8 */
.config = SMP_CONFIG_WITH_FULL_TOPO(8, 1, 1, 2, 1, 1, 2, 2, 8),
.expect_prefer_sockets = CPU_TOPOLOGY_GENERIC(8, 2, 2, 2, 8),
.expect_prefer_cores = CPU_TOPOLOGY_GENERIC(8, 2, 2, 2, 8),
},
};
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 > 1 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 > 1 not supported by this machine's CPU topology",
}, {
/* config: -smp 2,books=2 */
.config = SMP_CONFIG_WITH_BOOKS_DRAWERS(T, 2, F, 0, T, 2, F,
0, F, 0, F, 0, F, 0),
.expect_error = "books > 1 not supported by this machine's CPU topology",
}, {
/* config: -smp 2,drawers=2 */
.config = SMP_CONFIG_WITH_BOOKS_DRAWERS(T, 2, T, 2, F, 0, F,
0, F, 0, F, 0, F, 0),
.expect_error = "drawers > 1 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
* The test machine should tweak the supported min CPUs to
* 2 (MIN_CPUS + 1) for testing.
*/
.config = SMP_CONFIG_GENERIC(T, MIN_CPUS, 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 4096
* The test machine should tweak the supported max CPUs to
* 4095 (MAX_CPUS - 1) for testing.
*/
.config = SMP_CONFIG_GENERIC(T, 4096, F, 0, F, 0, F, 0, F, 0),
.expect_error = "Invalid SMP CPUs 4096. The max CPUs supported "
"by machine '" SMP_MACHINE_NAME "' is 4095",
},
};
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 const struct SMPTestData data_with_books_invalid[] = {
{
/* config: -smp 16,books=2,sockets=2,cores=4,threads=2,maxcpus=16 */
.config = SMP_CONFIG_WITH_BOOKS_DRAWERS(T, 16, F, 1, T, 2, T,
2, T, 4, T, 2, T, 16),
.expect_error = "Invalid CPU topology: "
"product of the hierarchy must match maxcpus: "
"books (2) * sockets (2) * cores (4) * threads (2) "
"!= maxcpus (16)",
}, {
/* config: -smp 34,books=2,sockets=2,cores=4,threads=2,maxcpus=32 */
.config = SMP_CONFIG_WITH_BOOKS_DRAWERS(T, 34, F, 1, T, 2, T,
2, T, 4, T, 2, T, 32),
.expect_error = "Invalid CPU topology: "
"maxcpus must be equal to or greater than smp: "
"books (2) * sockets (2) * cores (4) * threads (2) "
"== maxcpus (32) < smp_cpus (34)",
},
};
static const struct SMPTestData data_with_drawers_invalid[] = {
{
/* config: -smp 16,drawers=2,sockets=2,cores=4,threads=2,maxcpus=16 */
.config = SMP_CONFIG_WITH_BOOKS_DRAWERS(T, 16, T, 2, F, 1, T,
2, T, 4, T, 2, T, 16),
.expect_error = "Invalid CPU topology: "
"product of the hierarchy must match maxcpus: "
"drawers (2) * sockets (2) * cores (4) * threads (2) "
"!= maxcpus (16)",
}, {
/* config: -smp 34,drawers=2,sockets=2,cores=4,threads=2,maxcpus=32 */
.config = SMP_CONFIG_WITH_BOOKS_DRAWERS(T, 34, T, 2, F, 1, T,
2, T, 4, T, 2, T, 32),
.expect_error = "Invalid CPU topology: "
"maxcpus must be equal to or greater than smp: "
"drawers (2) * sockets (2) * cores (4) * threads (2) "
"== maxcpus (32) < smp_cpus (34)",
},
};
static const struct SMPTestData data_with_drawers_books_invalid[] = {
{
/*
* config: -smp 200,drawers=2,books=2,sockets=2,cores=4,\
* threads=2,maxcpus=200
*/
.config = SMP_CONFIG_WITH_BOOKS_DRAWERS(T, 200, T, 3, T, 5, T,
2, T, 4, T, 2, T, 200),
.expect_error = "Invalid CPU topology: "
"product of the hierarchy must match maxcpus: "
"drawers (3) * books (5) * sockets (2) * "
"cores (4) * threads (2) != maxcpus (200)",
}, {
/*
* config: -smp 242,drawers=2,books=2,sockets=2,cores=4,\
* threads=2,maxcpus=240
*/
.config = SMP_CONFIG_WITH_BOOKS_DRAWERS(T, 242, T, 3, T, 5, T,
2, T, 4, T, 2, T, 240),
.expect_error = "Invalid CPU topology: "
"maxcpus must be equal to or greater than smp: "
"drawers (3) * books (5) * sockets (2) * "
"cores (4) * threads (2) "
"== maxcpus (240) < smp_cpus (242)",
},
};
static const struct SMPTestData data_full_topo_invalid[] = {
{
/*
* config: -smp 200,drawers=3,books=5,sockets=2,dies=4,\
* clusters=2,cores=7,threads=2,maxcpus=200
*/
.config = SMP_CONFIG_WITH_FULL_TOPO(200, 3, 5, 2, 4, 2, 7, 2, 200),
.expect_error = "Invalid CPU topology: "
"product of the hierarchy must match maxcpus: "
"drawers (3) * books (5) * sockets (2) * dies (4) * "
"clusters (2) * cores (7) * threads (2) "
"!= maxcpus (200)",
}, {
/*
* config: -smp 3361,drawers=3,books=5,sockets=2,dies=4,\
* clusters=2,cores=7,threads=2,maxcpus=3360
*/
.config = SMP_CONFIG_WITH_FULL_TOPO(3361, 3, 5, 2, 4, 2, 7, 2, 3360),
.expect_error = "Invalid CPU topology: "
"maxcpus must be equal to or greater than smp: "
"drawers (3) * books (5) * sockets (2) * dies (4) * "
"clusters (2) * cores (7) * threads (2) "
"== maxcpus (3360) < smp_cpus (3361)",
}, {
/*
* config: -smp 1,drawers=3,books=5,sockets=2,dies=4,\
* clusters=2,cores=7,threads=3,maxcpus=5040
*/
.config = SMP_CONFIG_WITH_FULL_TOPO(3361, 3, 5, 2, 4, 2, 7, 3, 5040),
.expect_error = "Invalid SMP CPUs 5040. The max CPUs supported "
"by machine '" SMP_MACHINE_NAME "' is 4096",
},
};
static const struct SMPTestData data_zero_topo_invalid[] = {
{
/*
* Test "cpus=0".
* config: -smp 0,drawers=1,books=1,sockets=1,dies=1,\
* clusters=1,cores=1,threads=1,maxcpus=1
*/
.config = SMP_CONFIG_WITH_FULL_TOPO(0, 1, 1, 1, 1, 1, 1, 1, 1),
.expect_error = "Invalid CPU topology: CPU topology parameters must "
"be greater than zero",
}, {
/*
* Test "drawers=0".
* config: -smp 1,drawers=0,books=1,sockets=1,dies=1,\
* clusters=1,cores=1,threads=1,maxcpus=1
*/
.config = SMP_CONFIG_WITH_FULL_TOPO(1, 0, 1, 1, 1, 1, 1, 1, 1),
.expect_error = "Invalid CPU topology: CPU topology parameters must "
"be greater than zero",
}, {
/*
* Test "books=0".
* config: -smp 1,drawers=1,books=0,sockets=1,dies=1,\
* clusters=1,cores=1,threads=1,maxcpus=1
*/
.config = SMP_CONFIG_WITH_FULL_TOPO(1, 1, 0, 1, 1, 1, 1, 1, 1),
.expect_error = "Invalid CPU topology: CPU topology parameters must "
"be greater than zero",
}, {
/*
* Test "sockets=0".
* config: -smp 1,drawers=1,books=1,sockets=0,dies=1,\
* clusters=1,cores=1,threads=1,maxcpus=1
*/
.config = SMP_CONFIG_WITH_FULL_TOPO(1, 1, 1, 0, 1, 1, 1, 1, 1),
.expect_error = "Invalid CPU topology: CPU topology parameters must "
"be greater than zero",
}, {
/*
* Test "dies=0".
* config: -smp 1,drawers=1,books=1,sockets=1,dies=0,\
* clusters=1,cores=1,threads=1,maxcpus=1
*/
.config = SMP_CONFIG_WITH_FULL_TOPO(1, 1, 1, 1, 0, 1, 1, 1, 1),
.expect_error = "Invalid CPU topology: CPU topology parameters must "
"be greater than zero",
}, {
/*
* Test "clusters=0".
* config: -smp 1,drawers=1,books=1,sockets=1,dies=1,\
* clusters=0,cores=1,threads=1,maxcpus=1
*/
.config = SMP_CONFIG_WITH_FULL_TOPO(1, 1, 1, 1, 1, 0, 1, 1, 1),
.expect_error = "Invalid CPU topology: CPU topology parameters must "
"be greater than zero",
}, {
/*
* Test "cores=0".
* config: -smp 1,drawers=1,books=1,sockets=1,dies=1,\
* clusters=1,cores=0,threads=1,maxcpus=1
*/
.config = SMP_CONFIG_WITH_FULL_TOPO(1, 1, 1, 1, 1, 1, 0, 1, 1),
.expect_error = "Invalid CPU topology: CPU topology parameters must "
"be greater than zero",
}, {
/*
* Test "threads=0".
* config: -smp 1,drawers=1,books=1,sockets=1,dies=1,\
* clusters=1,cores=1,threads=0,maxcpus=1
*/
.config = SMP_CONFIG_WITH_FULL_TOPO(1, 1, 1, 1, 1, 1, 1, 0, 1),
.expect_error = "Invalid CPU topology: CPU topology parameters must "
"be greater than zero",
}, {
/*
* Test "maxcpus=0".
* config: -smp 1,drawers=1,books=1,sockets=1,dies=1,\
* clusters=1,cores=1,threads=1,maxcpus=0
*/
.config = SMP_CONFIG_WITH_FULL_TOPO(1, 1, 1, 1, 1, 1, 1, 1, 0),
.expect_error = "Invalid CPU topology: CPU topology parameters must "
"be greater than zero",
},
};
static char *smp_config_to_string(const SMPConfiguration *config)
{
return g_strdup_printf(
"(SMPConfiguration) {\n"
" .has_cpus = %5s, cpus = %" PRId64 ",\n"
" .has_drawers = %5s, drawers = %" PRId64 ",\n"
" .has_books = %5s, books = %" 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_drawers ? "true" : "false", config->drawers,
config->has_books ? "true" : "false", config->books,
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);
}
/* Use the different calculation than machine_topo_get_threads_per_socket(). */
static unsigned int cpu_topology_get_threads_per_socket(const CpuTopology *topo)
{
/* Check the divisor to avoid invalid topology examples causing SIGFPE. */
if (!topo->drawers || !topo->books || !topo->sockets) {
return 0;
} else {
return topo->max_cpus / topo->drawers / topo->books / topo->sockets;
}
}
/* Use the different calculation than machine_topo_get_cores_per_socket(). */
static unsigned int cpu_topology_get_cores_per_socket(const CpuTopology *topo)
{
/* Check the divisor to avoid invalid topology examples causing SIGFPE. */
if (!topo->threads) {
return 0;
} else {
return cpu_topology_get_threads_per_socket(topo) / topo->threads;
}
}
static char *cpu_topology_to_string(const CpuTopology *topo,
unsigned int threads_per_socket,
unsigned int cores_per_socket,
bool has_clusters)
{
return g_strdup_printf(
"(CpuTopology) {\n"
" .cpus = %u,\n"
" .drawers = %u,\n"
" .books = %u,\n"
" .sockets = %u,\n"
" .dies = %u,\n"
" .clusters = %u,\n"
" .cores = %u,\n"
" .threads = %u,\n"
" .max_cpus = %u,\n"
" .threads_per_socket = %u,\n"
" .cores_per_socket = %u,\n"
" .has_clusters = %s,\n"
"}",
topo->cpus, topo->drawers, topo->books,
topo->sockets, topo->dies, topo->clusters,
topo->cores, topo->threads, topo->max_cpus,
threads_per_socket, cores_per_socket,
has_clusters ? "true" : "false");
}
static void check_parse(MachineState *ms, const SMPConfiguration *config,
const CpuTopology *expect_topo, const char *expect_err,
bool is_valid)
{
MachineClass *mc = MACHINE_GET_CLASS(ms);
g_autofree char *config_str = smp_config_to_string(config);
g_autofree char *expect_topo_str = NULL, *output_topo_str = NULL;
unsigned int expect_threads_per_socket, expect_cores_per_socket;
unsigned int ms_threads_per_socket, ms_cores_per_socket;
Error *err = NULL;
expect_threads_per_socket =
cpu_topology_get_threads_per_socket(expect_topo);
expect_cores_per_socket =
cpu_topology_get_cores_per_socket(expect_topo);
expect_topo_str = cpu_topology_to_string(expect_topo,
expect_threads_per_socket,
expect_cores_per_socket,
config->has_clusters);
/* call the generic parser */
machine_parse_smp_config(ms, config, &err);
ms_threads_per_socket = machine_topo_get_threads_per_socket(ms);
ms_cores_per_socket = machine_topo_get_cores_per_socket(ms);
output_topo_str = cpu_topology_to_string(&ms->smp,
ms_threads_per_socket,
ms_cores_per_socket,
mc->smp_props.has_clusters);
/* when the configuration is supposed to be valid */
if (is_valid) {
if ((err == NULL) &&
(ms->smp.cpus == expect_topo->cpus) &&
(ms->smp.drawers == expect_topo->drawers) &&
(ms->smp.books == expect_topo->books) &&
(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) &&
(ms_threads_per_socket == expect_threads_per_socket) &&
(ms_cores_per_socket == expect_cores_per_socket) &&
(mc->smp_props.has_clusters == config->has_clusters)) {
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;
}
if (!mc->smp_props.books_supported) {
data->expect_prefer_sockets.books = 1;
data->expect_prefer_cores.books = 1;
}
if (!mc->smp_props.drawers_supported) {
data->expect_prefer_sockets.drawers = 1;
data->expect_prefer_cores.drawers = 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 = MIN_CPUS + 1;
mc->max_cpus = MAX_CPUS - 1;
}
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 machine_with_books_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
mc->smp_props.books_supported = true;
}
static void machine_with_drawers_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
mc->smp_props.drawers_supported = true;
}
static void machine_with_drawers_books_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
mc->smp_props.drawers_supported = true;
mc->smp_props.books_supported = true;
}
static void machine_full_topo_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
mc->smp_props.drawers_supported = true;
mc->smp_props.books_supported = true;
mc->smp_props.dies_supported = true;
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);
}
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);
}
static void test_with_books(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_books = 2;
int i;
for (i = 0; i < ARRAY_SIZE(data_generic_valid); i++) {
data = data_generic_valid[i];
unsupported_params_init(mc, &data);
/* when books parameter is omitted, it will be set as 1 */
data.expect_prefer_sockets.books = 1;
data.expect_prefer_cores.books = 1;
smp_parse_test(ms, &data, true);
/* when books parameter is specified */
data.config.has_books = true;
data.config.books = num_books;
if (data.config.has_cpus) {
data.config.cpus *= num_books;
}
if (data.config.has_maxcpus) {
data.config.maxcpus *= num_books;
}
data.expect_prefer_sockets.books = num_books;
data.expect_prefer_sockets.cpus *= num_books;
data.expect_prefer_sockets.max_cpus *= num_books;
data.expect_prefer_cores.books = num_books;
data.expect_prefer_cores.cpus *= num_books;
data.expect_prefer_cores.max_cpus *= num_books;
smp_parse_test(ms, &data, true);
}
for (i = 0; i < ARRAY_SIZE(data_with_books_invalid); i++) {
data = data_with_books_invalid[i];
unsupported_params_init(mc, &data);
smp_parse_test(ms, &data, false);
}
object_unref(obj);
}
static void test_with_drawers(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_drawers = 2;
int i;
for (i = 0; i < ARRAY_SIZE(data_generic_valid); i++) {
data = data_generic_valid[i];
unsupported_params_init(mc, &data);
/* when drawers parameter is omitted, it will be set as 1 */
data.expect_prefer_sockets.drawers = 1;
data.expect_prefer_cores.drawers = 1;
smp_parse_test(ms, &data, true);
/* when drawers parameter is specified */
data.config.has_drawers = true;
data.config.drawers = num_drawers;
if (data.config.has_cpus) {
data.config.cpus *= num_drawers;
}
if (data.config.has_maxcpus) {
data.config.maxcpus *= num_drawers;
}
data.expect_prefer_sockets.drawers = num_drawers;
data.expect_prefer_sockets.cpus *= num_drawers;
data.expect_prefer_sockets.max_cpus *= num_drawers;
data.expect_prefer_cores.drawers = num_drawers;
data.expect_prefer_cores.cpus *= num_drawers;
data.expect_prefer_cores.max_cpus *= num_drawers;
smp_parse_test(ms, &data, true);
}
for (i = 0; i < ARRAY_SIZE(data_with_drawers_invalid); i++) {
data = data_with_drawers_invalid[i];
unsupported_params_init(mc, &data);
smp_parse_test(ms, &data, false);
}
object_unref(obj);
}
static void test_with_drawers_books(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_drawers = 5, num_books = 3;
int i;
for (i = 0; i < ARRAY_SIZE(data_generic_valid); i++) {
data = data_generic_valid[i];
unsupported_params_init(mc, &data);
/*
* when drawers and books parameters are omitted, they will
* be both set as 1.
*/
data.expect_prefer_sockets.drawers = 1;
data.expect_prefer_sockets.books = 1;
data.expect_prefer_cores.drawers = 1;
data.expect_prefer_cores.books = 1;
smp_parse_test(ms, &data, true);
/* when drawers and books parameters are both specified */
data.config.has_drawers = true;
data.config.drawers = num_drawers;
data.config.has_books = true;
data.config.books = num_books;
if (data.config.has_cpus) {
data.config.cpus *= num_drawers * num_books;
}
if (data.config.has_maxcpus) {
data.config.maxcpus *= num_drawers * num_books;
}
data.expect_prefer_sockets.drawers = num_drawers;
data.expect_prefer_sockets.books = num_books;
data.expect_prefer_sockets.cpus *= num_drawers * num_books;
data.expect_prefer_sockets.max_cpus *= num_drawers * num_books;
data.expect_prefer_cores.drawers = num_drawers;
data.expect_prefer_cores.books = num_books;
data.expect_prefer_cores.cpus *= num_drawers * num_books;
data.expect_prefer_cores.max_cpus *= num_drawers * num_books;
smp_parse_test(ms, &data, true);
}
for (i = 0; i < ARRAY_SIZE(data_with_drawers_books_invalid); i++) {
data = data_with_drawers_books_invalid[i];
unsupported_params_init(mc, &data);
smp_parse_test(ms, &data, false);
}
object_unref(obj);
}
static void test_full_topo(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 drawers = 5, books = 3, dies = 2, clusters = 7, multiplier;
int i;
multiplier = drawers * books * dies * clusters;
for (i = 0; i < ARRAY_SIZE(data_generic_valid); i++) {
data = data_generic_valid[i];
unsupported_params_init(mc, &data);
/*
* when drawers, books, dies and clusters parameters are omitted,
* they will be set as 1.
*/
data.expect_prefer_sockets.drawers = 1;
data.expect_prefer_sockets.books = 1;
data.expect_prefer_sockets.dies = 1;
data.expect_prefer_sockets.clusters = 1;
data.expect_prefer_cores.drawers = 1;
data.expect_prefer_cores.books = 1;
data.expect_prefer_cores.dies = 1;
data.expect_prefer_cores.clusters = 1;
smp_parse_test(ms, &data, true);
/* when drawers, books, dies and clusters parameters are specified. */
data.config.has_drawers = true;
data.config.drawers = drawers;
data.config.has_books = true;
data.config.books = books;
data.config.has_dies = true;
data.config.dies = dies;
data.config.has_clusters = true;
data.config.clusters = clusters;
if (data.config.has_cpus) {
data.config.cpus *= multiplier;
}
if (data.config.has_maxcpus) {
data.config.maxcpus *= multiplier;
}
data.expect_prefer_sockets.drawers = drawers;
data.expect_prefer_sockets.books = books;
data.expect_prefer_sockets.dies = dies;
data.expect_prefer_sockets.clusters = clusters;
data.expect_prefer_sockets.cpus *= multiplier;
data.expect_prefer_sockets.max_cpus *= multiplier;
data.expect_prefer_cores.drawers = drawers;
data.expect_prefer_cores.books = books;
data.expect_prefer_cores.dies = dies;
data.expect_prefer_cores.clusters = clusters;
data.expect_prefer_cores.cpus *= multiplier;
data.expect_prefer_cores.max_cpus *= multiplier;
smp_parse_test(ms, &data, true);
}
for (i = 0; i < ARRAY_SIZE(data_full_topo_invalid); i++) {
data = data_full_topo_invalid[i];
unsupported_params_init(mc, &data);
smp_parse_test(ms, &data, false);
}
for (i = 0; i < ARRAY_SIZE(data_zero_topo_invalid); i++) {
data = data_zero_topo_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,
}, {
.name = MACHINE_TYPE_NAME("smp-with-books"),
.parent = TYPE_MACHINE,
.class_init = machine_with_books_class_init,
}, {
.name = MACHINE_TYPE_NAME("smp-with-drawers"),
.parent = TYPE_MACHINE,
.class_init = machine_with_drawers_class_init,
}, {
.name = MACHINE_TYPE_NAME("smp-with-drawers-books"),
.parent = TYPE_MACHINE,
.class_init = machine_with_drawers_books_class_init,
}, {
.name = MACHINE_TYPE_NAME("smp-full-topo"),
.parent = TYPE_MACHINE,
.class_init = machine_full_topo_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_add_data_func("/test-smp-parse/with_books",
MACHINE_TYPE_NAME("smp-with-books"),
test_with_books);
g_test_add_data_func("/test-smp-parse/with_drawers",
MACHINE_TYPE_NAME("smp-with-drawers"),
test_with_drawers);
g_test_add_data_func("/test-smp-parse/with_drawers_books",
MACHINE_TYPE_NAME("smp-with-drawers-books"),
test_with_drawers_books);
g_test_add_data_func("/test-smp-parse/full",
MACHINE_TYPE_NAME("smp-full-topo"),
test_full_topo);
g_test_run();
return 0;
}