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 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 = s->sockets * s->cores * s->threads; 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         QDECREF(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 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     QDECREF(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 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 = td->sockets; s < td->maxcpus / td->cores / td->threads; 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, "'socket-id':'%i', "
  92                                      "'core-id':'%i', 'thread-id':'%i'",
  93                                      s, c, t);
  94                 g_free(id);
  95             }
  96         }
  97     }
  98
  99     qtest_end();
 100     g_free(args);
 101 }
 102
 103 static void test_plug_with_device_add_coreid(gconstpointer data)
 104 {
 105     const PlugTestData *td = data;
 106     char *args;
 107     unsigned int c;
 108
 109     args = g_strdup_printf("-machine %s -cpu %s "
 110                            "-smp 1,sockets=%u,cores=%u,threads=%u,maxcpus=%u",
 111                            td->machine, td->cpu_model,
 112                            td->sockets, td->cores, td->threads, td->maxcpus);
 113     qtest_start(args);
 114
 115     for (c = td->cores; c < td->maxcpus / td->sockets / td->threads; c++) {
 116         char *id = g_strdup_printf("id-%i", c);
 117         qtest_qmp_device_add(td->device_model, id, "'core-id':'%i'", c);
 118         g_free(id);
 119     }
 120
 121     qtest_end();
 122     g_free(args);
 123 }
 124
 125 static void test_data_free(gpointer data)
 126 {
 127     PlugTestData *pc = data;
 128
 129     g_free(pc->machine);
 130     g_free(pc->device_model);
 131     g_free(pc);
 132 }
 133
 134 static void add_pc_test_case(const char *mname)
 135 {
 136     char *path;
 137     PlugTestData *data;
 138
 139     if (!g_str_has_prefix(mname, "pc-")) {
 140         return;
 141     }
 142     data = g_new(PlugTestData, 1);
 143     data->machine = g_strdup(mname);
 144     data->cpu_model = "Haswell"; /* 1.3+ theoretically */
 145     data->device_model = g_strdup_printf("%s-%s-cpu", data->cpu_model,
 146                                          qtest_get_arch());
 147     data->sockets = 1;
 148     data->cores = 3;
 149     data->threads = 2;
 150     data->maxcpus = data->sockets * data->cores * data->threads * 2;
 151     if (g_str_has_suffix(mname, "-1.4") ||
 152         (strcmp(mname, "pc-1.3") == 0) ||
 153         (strcmp(mname, "pc-1.2") == 0) ||
 154         (strcmp(mname, "pc-1.1") == 0) ||
 155         (strcmp(mname, "pc-1.0") == 0) ||
 156         (strcmp(mname, "pc-0.15") == 0) ||
 157         (strcmp(mname, "pc-0.14") == 0) ||
 158         (strcmp(mname, "pc-0.13") == 0) ||
 159         (strcmp(mname, "pc-0.12") == 0) ||
 160         (strcmp(mname, "pc-0.11") == 0) ||
 161         (strcmp(mname, "pc-0.10") == 0)) {
 162         path = g_strdup_printf("cpu-plug/%s/init/%ux%ux%u&maxcpus=%u",
 163                                mname, data->sockets, data->cores,
 164                                data->threads, data->maxcpus);
 165         qtest_add_data_func_full(path, data, test_plug_without_cpu_add,
 166                                  test_data_free);
 167         g_free(path);
 168     } else {
 169         PlugTestData *data2 = g_memdup(data, sizeof(PlugTestData));
 170
 171         data2->machine = g_strdup(data->machine);
 172         data2->device_model = g_strdup(data->device_model);
 173
 174         path = g_strdup_printf("cpu-plug/%s/cpu-add/%ux%ux%u&maxcpus=%u",
 175                                mname, data->sockets, data->cores,
 176                                data->threads, data->maxcpus);
 177         qtest_add_data_func_full(path, data, test_plug_with_cpu_add,
 178                                  test_data_free);
 179         g_free(path);
 180         path = g_strdup_printf("cpu-plug/%s/device-add/%ux%ux%u&maxcpus=%u",
 181                                mname, data2->sockets, data2->cores,
 182                                data2->threads, data2->maxcpus);
 183         qtest_add_data_func_full(path, data2, test_plug_with_device_add_x86,
 184                                  test_data_free);
 185         g_free(path);
 186     }
 187 }
 188
 189 static void add_pseries_test_case(const char *mname)
 190 {
 191     char *path;
 192     PlugTestData *data;
 193
 194     if (!g_str_has_prefix(mname, "pseries-") ||
 195         (g_str_has_prefix(mname, "pseries-2.") && atoi(&mname[10]) < 7)) {
 196         return;
 197     }
 198     data = g_new(PlugTestData, 1);
 199     data->machine = g_strdup(mname);
 200     data->cpu_model = "power8_v2.0";
 201     data->device_model = g_strdup("power8_v2.0-spapr-cpu-core");
 202     data->sockets = 2;
 203     data->cores = 3;
 204     data->threads = 1;
 205     data->maxcpus = data->sockets * data->cores * data->threads * 2;
 206
 207     path = g_strdup_printf("cpu-plug/%s/device-add/%ux%ux%u&maxcpus=%u",
 208                            mname, data->sockets, data->cores,
 209                            data->threads, data->maxcpus);
 210     qtest_add_data_func_full(path, data, test_plug_with_device_add_coreid,
 211                              test_data_free);
 212     g_free(path);
 213 }
 214
 215 static void add_s390x_test_case(const char *mname)
 216 {
 217     char *path;
 218     PlugTestData *data, *data2;
 219
 220     if (!g_str_has_prefix(mname, "s390-ccw-virtio-")) {
 221         return;
 222     }
 223
 224     data = g_new(PlugTestData, 1);
 225     data->machine = g_strdup(mname);
 226     data->cpu_model = "qemu";
 227     data->device_model = g_strdup("qemu-s390x-cpu");
 228     data->sockets = 1;
 229     data->cores = 3;
 230     data->threads = 1;
 231     data->maxcpus = data->sockets * data->cores * data->threads * 2;
 232
 233     data2 = g_memdup(data, sizeof(PlugTestData));
 234     data2->machine = g_strdup(data->machine);
 235     data2->device_model = g_strdup(data->device_model);
 236
 237     path = g_strdup_printf("cpu-plug/%s/cpu-add/%ux%ux%u&maxcpus=%u",
 238                            mname, data->sockets, data->cores,
 239                            data->threads, data->maxcpus);
 240     qtest_add_data_func_full(path, data, test_plug_with_cpu_add,
 241                              test_data_free);
 242     g_free(path);
 243
 244     path = g_strdup_printf("cpu-plug/%s/device-add/%ux%ux%u&maxcpus=%u",
 245                            mname, data2->sockets, data2->cores,
 246                            data2->threads, data2->maxcpus);
 247     qtest_add_data_func_full(path, data2, test_plug_with_device_add_coreid,
 248                              test_data_free);
 249     g_free(path);
 250 }
 251
 252 int main(int argc, char **argv)
 253 {
 254     const char *arch = qtest_get_arch();
 255
 256     g_test_init(&argc, &argv, NULL);
 257
 258     if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
 259         qtest_cb_for_every_machine(add_pc_test_case);
 260     } else if (g_str_equal(arch, "ppc64")) {
 261         qtest_cb_for_every_machine(add_pseries_test_case);
 262     } else if (g_str_equal(arch, "s390x")) {
 263         qtest_cb_for_every_machine(add_s390x_test_case);
 264     }
 265
 266     return g_test_run();
 267 }