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cpu-plug-test.c
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/*
* QTest testcase for CPU plugging
*
* Copyright (c) 2015 SUSE Linux GmbH
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "libqtest.h"
#include "qapi/qmp/qdict.h"
struct PlugTestData {
char *machine;
const char *cpu_model;
char *device_model;
unsigned sockets;
unsigned cores;
unsigned threads;
unsigned maxcpus;
};
typedef struct PlugTestData PlugTestData;
static void test_plug_with_cpu_add(gconstpointer data)
{
const PlugTestData *s = data;
char *args;
QDict *response;
unsigned int i;
args = g_strdup_printf("-machine %s -cpu %s "
"-smp 1,sockets=%u,cores=%u,threads=%u,maxcpus=%u",
s->machine, s->cpu_model,
s->sockets, s->cores, s->threads, s->maxcpus);
qtest_start(args);
for (i = 1; i < s->maxcpus; i++) {
response = qmp("{ 'execute': 'cpu-add',"
" 'arguments': { 'id': %d } }", i);
g_assert(response);
g_assert(!qdict_haskey(response, "error"));
qobject_unref(response);
}
qtest_end();
g_free(args);
}
static void test_plug_without_cpu_add(gconstpointer data)
{
const PlugTestData *s = data;
char *args;
QDict *response;
args = g_strdup_printf("-machine %s -cpu %s "
"-smp 1,sockets=%u,cores=%u,threads=%u,maxcpus=%u",
s->machine, s->cpu_model,
s->sockets, s->cores, s->threads, s->maxcpus);
qtest_start(args);
response = qmp("{ 'execute': 'cpu-add',"
" 'arguments': { 'id': %d } }",
s->sockets * s->cores * s->threads);
g_assert(response);
g_assert(qdict_haskey(response, "error"));
qobject_unref(response);
qtest_end();
g_free(args);
}
static void test_plug_with_device_add_x86(gconstpointer data)
{
const PlugTestData *td = data;
char *args;
unsigned int s, c, t;
QTestState *qts;
args = g_strdup_printf("-machine %s -cpu %s "
"-smp 1,sockets=%u,cores=%u,threads=%u,maxcpus=%u",
td->machine, td->cpu_model,
td->sockets, td->cores, td->threads, td->maxcpus);
qts = qtest_init(args);
for (s = 1; s < td->sockets; s++) {
for (c = 0; c < td->cores; c++) {
for (t = 0; t < td->threads; t++) {
char *id = g_strdup_printf("id-%i-%i-%i", s, c, t);
qtest_qmp_device_add(qts, td->device_model, id,
"{'socket-id':%u, 'core-id':%u,"
" 'thread-id':%u}",
s, c, t);
g_free(id);
}
}
}
qtest_quit(qts);
g_free(args);
}
static void test_plug_with_device_add_coreid(gconstpointer data)
{
const PlugTestData *td = data;
char *args;
unsigned int c;
QTestState *qts;
args = g_strdup_printf("-machine %s -cpu %s "
"-smp 1,sockets=%u,cores=%u,threads=%u,maxcpus=%u",
td->machine, td->cpu_model,
td->sockets, td->cores, td->threads, td->maxcpus);
qts = qtest_init(args);
for (c = 1; c < td->cores; c++) {
char *id = g_strdup_printf("id-%i", c);
qtest_qmp_device_add(qts, td->device_model, id,
"{'core-id':%u}", c);
g_free(id);
}
qtest_quit(qts);
g_free(args);
}
static void test_data_free(gpointer data)
{
PlugTestData *pc = data;
g_free(pc->machine);
g_free(pc->device_model);
g_free(pc);
}
static void add_pc_test_case(const char *mname)
{
char *path;
PlugTestData *data;
if (!g_str_has_prefix(mname, "pc-")) {
return;
}
data = g_new(PlugTestData, 1);
data->machine = g_strdup(mname);
data->cpu_model = "Haswell"; /* 1.3+ theoretically */
data->device_model = g_strdup_printf("%s-%s-cpu", data->cpu_model,
qtest_get_arch());
data->sockets = 1;
data->cores = 3;
data->threads = 2;
data->maxcpus = data->sockets * data->cores * data->threads;
if (g_str_has_suffix(mname, "-1.4") ||
(strcmp(mname, "pc-1.3") == 0) ||
(strcmp(mname, "pc-1.2") == 0) ||
(strcmp(mname, "pc-1.1") == 0) ||
(strcmp(mname, "pc-1.0") == 0) ||
(strcmp(mname, "pc-0.15") == 0) ||
(strcmp(mname, "pc-0.14") == 0) ||
(strcmp(mname, "pc-0.13") == 0) ||
(strcmp(mname, "pc-0.12") == 0)) {
path = g_strdup_printf("cpu-plug/%s/init/%ux%ux%u&maxcpus=%u",
mname, data->sockets, data->cores,
data->threads, data->maxcpus);
qtest_add_data_func_full(path, data, test_plug_without_cpu_add,
test_data_free);
g_free(path);
} else {
PlugTestData *data2 = g_memdup(data, sizeof(PlugTestData));
data2->machine = g_strdup(data->machine);
data2->device_model = g_strdup(data->device_model);
path = g_strdup_printf("cpu-plug/%s/cpu-add/%ux%ux%u&maxcpus=%u",
mname, data->sockets, data->cores,
data->threads, data->maxcpus);
qtest_add_data_func_full(path, data, test_plug_with_cpu_add,
test_data_free);
g_free(path);
path = g_strdup_printf("cpu-plug/%s/device-add/%ux%ux%u&maxcpus=%u",
mname, data2->sockets, data2->cores,
data2->threads, data2->maxcpus);
qtest_add_data_func_full(path, data2, test_plug_with_device_add_x86,
test_data_free);
g_free(path);
}
}
static void add_pseries_test_case(const char *mname)
{
char *path;
PlugTestData *data;
if (!g_str_has_prefix(mname, "pseries-") ||
(g_str_has_prefix(mname, "pseries-2.") && atoi(&mname[10]) < 7)) {
return;
}
data = g_new(PlugTestData, 1);
data->machine = g_strdup(mname);
data->cpu_model = "power8_v2.0";
data->device_model = g_strdup("power8_v2.0-spapr-cpu-core");
data->sockets = 2;
data->cores = 3;
data->threads = 1;
data->maxcpus = data->sockets * data->cores * data->threads;
path = g_strdup_printf("cpu-plug/%s/device-add/%ux%ux%u&maxcpus=%u",
mname, data->sockets, data->cores,
data->threads, data->maxcpus);
qtest_add_data_func_full(path, data, test_plug_with_device_add_coreid,
test_data_free);
g_free(path);
}
static void add_s390x_test_case(const char *mname)
{
char *path;
PlugTestData *data, *data2;
if (!g_str_has_prefix(mname, "s390-ccw-virtio-")) {
return;
}
data = g_new(PlugTestData, 1);
data->machine = g_strdup(mname);
data->cpu_model = "qemu";
data->device_model = g_strdup("qemu-s390x-cpu");
data->sockets = 1;
data->cores = 3;
data->threads = 1;
data->maxcpus = data->sockets * data->cores * data->threads;
data2 = g_memdup(data, sizeof(PlugTestData));
data2->machine = g_strdup(data->machine);
data2->device_model = g_strdup(data->device_model);
path = g_strdup_printf("cpu-plug/%s/cpu-add/%ux%ux%u&maxcpus=%u",
mname, data->sockets, data->cores,
data->threads, data->maxcpus);
qtest_add_data_func_full(path, data, test_plug_with_cpu_add,
test_data_free);
g_free(path);
path = g_strdup_printf("cpu-plug/%s/device-add/%ux%ux%u&maxcpus=%u",
mname, data2->sockets, data2->cores,
data2->threads, data2->maxcpus);
qtest_add_data_func_full(path, data2, test_plug_with_device_add_coreid,
test_data_free);
g_free(path);
}
int main(int argc, char **argv)
{
const char *arch = qtest_get_arch();
g_test_init(&argc, &argv, NULL);
if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
qtest_cb_for_every_machine(add_pc_test_case, g_test_quick());
} else if (g_str_equal(arch, "ppc64")) {
qtest_cb_for_every_machine(add_pseries_test_case, g_test_quick());
} else if (g_str_equal(arch, "s390x")) {
qtest_cb_for_every_machine(add_s390x_test_case, g_test_quick());
}
return g_test_run();
}