tests/cpu-plug-test.c

   1 /*
   2  * QTest testcase for CPU plugging
   3  *
   4  * Copyright (c) 2015 SUSE Linux GmbH
   5  *
   6  * This work is licensed under the terms of the GNU GPL, version 2 or later.
   7  * See the COPYING file in the top-level directory.
   8  */
   9
  10 #include "qemu/osdep.h"
  11
  12 #include "qemu-common.h"
  13 #include "libqtest.h"
  14 #include "qapi/qmp/qdict.h"
  15
  16 struct PlugTestData {
  17     char *machine;
  18     const char *cpu_model;
  19     char *device_model;
  20     unsigned sockets;
  21     unsigned cores;
  22     unsigned threads;
  23     unsigned maxcpus;
  24 };
  25 typedef struct PlugTestData PlugTestData;
  26
  27 static void test_plug_with_cpu_add(gconstpointer data)
  28 {
  29     const PlugTestData *s = data;
  30     char *args;
  31     QDict *response;
  32     unsigned int i;
  33
  34     args = g_strdup_printf("-machine %s -cpu %s "
  35                            "-smp 1,sockets=%u,cores=%u,threads=%u,maxcpus=%u",
  36                            s->machine, s->cpu_model,
  37                            s->sockets, s->cores, s->threads, s->maxcpus);
  38     qtest_start(args);
  39
  40     for (i = 1; i < s->maxcpus; i++) {
  41         response = qmp("{ 'execute': 'cpu-add',"
  42                        "  'arguments': { 'id': %d } }", i);
  43         g_assert(response);
  44         g_assert(!qdict_haskey(response, "error"));
  45         qobject_unref(response);
  46     }
  47
  48     qtest_end();
  49     g_free(args);
  50 }
  51
  52 static void test_plug_without_cpu_add(gconstpointer data)
  53 {
  54     const PlugTestData *s = data;
  55     char *args;
  56     QDict *response;
  57
  58     args = g_strdup_printf("-machine %s -cpu %s "
  59                            "-smp 1,sockets=%u,cores=%u,threads=%u,maxcpus=%u",
  60                            s->machine, s->cpu_model,
  61                            s->sockets, s->cores, s->threads, s->maxcpus);
  62     qtest_start(args);
  63
  64     response = qmp("{ 'execute': 'cpu-add',"
  65                    "  'arguments': { 'id': %d } }",
  66                    s->sockets * s->cores * s->threads);
  67     g_assert(response);
  68     g_assert(qdict_haskey(response, "error"));
  69     qobject_unref(response);
  70
  71     qtest_end();
  72     g_free(args);
  73 }
  74
  75 static void test_plug_with_device_add_x86(gconstpointer data)
  76 {
  77     const PlugTestData *td = data;
  78     char *args;
  79     unsigned int s, c, t;
  80
  81     args = g_strdup_printf("-machine %s -cpu %s "
  82                            "-smp 1,sockets=%u,cores=%u,threads=%u,maxcpus=%u",
  83                            td->machine, td->cpu_model,
  84                            td->sockets, td->cores, td->threads, td->maxcpus);
  85     qtest_start(args);
  86
  87     for (s = 1; s < td->sockets; s++) {
  88         for (c = 0; c < td->cores; c++) {
  89             for (t = 0; t < td->threads; t++) {
  90                 char *id = g_strdup_printf("id-%i-%i-%i", s, c, t);
  91                 qtest_qmp_device_add(td->device_model, id,
  92                                      "{'socket-id':%u, 'core-id':%u,"
  93                                      " 'thread-id':%u}",
  94                                      s, c, t);
  95                 g_free(id);
  96             }
  97         }
  98     }
  99
 100     qtest_end();
 101     g_free(args);
 102 }
 103
 104 static void test_plug_with_device_add_coreid(gconstpointer data)
 105 {
 106     const PlugTestData *td = data;
 107     char *args;
 108     unsigned int c;
 109
 110     args = g_strdup_printf("-machine %s -cpu %s "
 111                            "-smp 1,sockets=%u,cores=%u,threads=%u,maxcpus=%u",
 112                            td->machine, td->cpu_model,
 113                            td->sockets, td->cores, td->threads, td->maxcpus);
 114     qtest_start(args);
 115
 116     for (c = 1; c < td->cores; c++) {
 117         char *id = g_strdup_printf("id-%i", c);
 118         qtest_qmp_device_add(td->device_model, id, "{'core-id':%u}", c);
 119         g_free(id);
 120     }
 121
 122     qtest_end();
 123     g_free(args);
 124 }
 125
 126 static void test_data_free(gpointer data)
 127 {
 128     PlugTestData *pc = data;
 129
 130     g_free(pc->machine);
 131     g_free(pc->device_model);
 132     g_free(pc);
 133 }
 134
 135 static void add_pc_test_case(const char *mname)
 136 {
 137     char *path;
 138     PlugTestData *data;
 139
 140     if (!g_str_has_prefix(mname, "pc-")) {
 141         return;
 142     }
 143     data = g_new(PlugTestData, 1);
 144     data->machine = g_strdup(mname);
 145     data->cpu_model = "Haswell"; /* 1.3+ theoretically */
 146     data->device_model = g_strdup_printf("%s-%s-cpu", data->cpu_model,
 147                                          qtest_get_arch());
 148     data->sockets = 1;
 149     data->cores = 3;
 150     data->threads = 2;
 151     data->maxcpus = data->sockets * data->cores * data->threads;
 152     if (g_str_has_suffix(mname, "-1.4") ||
 153         (strcmp(mname, "pc-1.3") == 0) ||
 154         (strcmp(mname, "pc-1.2") == 0) ||
 155         (strcmp(mname, "pc-1.1") == 0) ||
 156         (strcmp(mname, "pc-1.0") == 0) ||
 157         (strcmp(mname, "pc-0.15") == 0) ||
 158         (strcmp(mname, "pc-0.14") == 0) ||
 159         (strcmp(mname, "pc-0.13") == 0) ||
 160         (strcmp(mname, "pc-0.12") == 0) ||
 161         (strcmp(mname, "pc-0.11") == 0) ||
 162         (strcmp(mname, "pc-0.10") == 0)) {
 163         path = g_strdup_printf("cpu-plug/%s/init/%ux%ux%u&maxcpus=%u",
 164                                mname, data->sockets, data->cores,
 165                                data->threads, data->maxcpus);
 166         qtest_add_data_func_full(path, data, test_plug_without_cpu_add,
 167                                  test_data_free);
 168         g_free(path);
 169     } else {
 170         PlugTestData *data2 = g_memdup(data, sizeof(PlugTestData));
 171
 172         data2->machine = g_strdup(data->machine);
 173         data2->device_model = g_strdup(data->device_model);
 174
 175         path = g_strdup_printf("cpu-plug/%s/cpu-add/%ux%ux%u&maxcpus=%u",
 176                                mname, data->sockets, data->cores,
 177                                data->threads, data->maxcpus);
 178         qtest_add_data_func_full(path, data, test_plug_with_cpu_add,
 179                                  test_data_free);
 180         g_free(path);
 181         path = g_strdup_printf("cpu-plug/%s/device-add/%ux%ux%u&maxcpus=%u",
 182                                mname, data2->sockets, data2->cores,
 183                                data2->threads, data2->maxcpus);
 184         qtest_add_data_func_full(path, data2, test_plug_with_device_add_x86,
 185                                  test_data_free);
 186         g_free(path);
 187     }
 188 }
 189
 190 static void add_pseries_test_case(const char *mname)
 191 {
 192     char *path;
 193     PlugTestData *data;
 194
 195     if (!g_str_has_prefix(mname, "pseries-") ||
 196         (g_str_has_prefix(mname, "pseries-2.") && atoi(&mname[10]) < 7)) {
 197         return;
 198     }
 199     data = g_new(PlugTestData, 1);
 200     data->machine = g_strdup(mname);
 201     data->cpu_model = "power8_v2.0";
 202     data->device_model = g_strdup("power8_v2.0-spapr-cpu-core");
 203     data->sockets = 2;
 204     data->cores = 3;
 205     data->threads = 1;
 206     data->maxcpus = data->sockets * data->cores * data->threads;
 207
 208     path = g_strdup_printf("cpu-plug/%s/device-add/%ux%ux%u&maxcpus=%u",
 209                            mname, data->sockets, data->cores,
 210                            data->threads, data->maxcpus);
 211     qtest_add_data_func_full(path, data, test_plug_with_device_add_coreid,
 212                              test_data_free);
 213     g_free(path);
 214 }
 215
 216 static void add_s390x_test_case(const char *mname)
 217 {
 218     char *path;
 219     PlugTestData *data, *data2;
 220
 221     if (!g_str_has_prefix(mname, "s390-ccw-virtio-")) {
 222         return;
 223     }
 224
 225     data = g_new(PlugTestData, 1);
 226     data->machine = g_strdup(mname);
 227     data->cpu_model = "qemu";
 228     data->device_model = g_strdup("qemu-s390x-cpu");
 229     data->sockets = 1;
 230     data->cores = 3;
 231     data->threads = 1;
 232     data->maxcpus = data->sockets * data->cores * data->threads;
 233
 234     data2 = g_memdup(data, sizeof(PlugTestData));
 235     data2->machine = g_strdup(data->machine);
 236     data2->device_model = g_strdup(data->device_model);
 237
 238     path = g_strdup_printf("cpu-plug/%s/cpu-add/%ux%ux%u&maxcpus=%u",
 239                            mname, data->sockets, data->cores,
 240                            data->threads, data->maxcpus);
 241     qtest_add_data_func_full(path, data, test_plug_with_cpu_add,
 242                              test_data_free);
 243     g_free(path);
 244
 245     path = g_strdup_printf("cpu-plug/%s/device-add/%ux%ux%u&maxcpus=%u",
 246                            mname, data2->sockets, data2->cores,
 247                            data2->threads, data2->maxcpus);
 248     qtest_add_data_func_full(path, data2, test_plug_with_device_add_coreid,
 249                              test_data_free);
 250     g_free(path);
 251 }
 252
 253 int main(int argc, char **argv)
 254 {
 255     const char *arch = qtest_get_arch();
 256
 257     g_test_init(&argc, &argv, NULL);
 258
 259     if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
 260         qtest_cb_for_every_machine(add_pc_test_case, g_test_quick());
 261     } else if (g_str_equal(arch, "ppc64")) {
 262         qtest_cb_for_every_machine(add_pseries_test_case, g_test_quick());
 263     } else if (g_str_equal(arch, "s390x")) {
 264         qtest_cb_for_every_machine(add_s390x_test_case, g_test_quick());
 265     }
 266
 267     return g_test_run();
 268 }