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     QTestState *qts;
  81
  82     args = g_strdup_printf("-machine %s -cpu %s "
  83                            "-smp 1,sockets=%u,cores=%u,threads=%u,maxcpus=%u",
  84                            td->machine, td->cpu_model,
  85                            td->sockets, td->cores, td->threads, td->maxcpus);
  86     qts = qtest_init(args);
  87
  88     for (s = 1; s < td->sockets; s++) {
  89         for (c = 0; c < td->cores; c++) {
  90             for (t = 0; t < td->threads; t++) {
  91                 char *id = g_strdup_printf("id-%i-%i-%i", s, c, t);
  92                 qtest_qmp_device_add(qts, td->device_model, id,
  93                                      "{'socket-id':%u, 'core-id':%u,"
  94                                      " 'thread-id':%u}",
  95                                      s, c, t);
  96                 g_free(id);
  97             }
  98         }
  99     }
 100
 101     qtest_quit(qts);
 102     g_free(args);
 103 }
 104
 105 static void test_plug_with_device_add_coreid(gconstpointer data)
 106 {
 107     const PlugTestData *td = data;
 108     char *args;
 109     unsigned int c;
 110     QTestState *qts;
 111
 112     args = g_strdup_printf("-machine %s -cpu %s "
 113                            "-smp 1,sockets=%u,cores=%u,threads=%u,maxcpus=%u",
 114                            td->machine, td->cpu_model,
 115                            td->sockets, td->cores, td->threads, td->maxcpus);
 116     qts = qtest_init(args);
 117
 118     for (c = 1; c < td->cores; c++) {
 119         char *id = g_strdup_printf("id-%i", c);
 120         qtest_qmp_device_add(qts, td->device_model, id,
 121                              "{'core-id':%u}", c);
 122         g_free(id);
 123     }
 124
 125     qtest_quit(qts);
 126     g_free(args);
 127 }
 128
 129 static void test_data_free(gpointer data)
 130 {
 131     PlugTestData *pc = data;
 132
 133     g_free(pc->machine);
 134     g_free(pc->device_model);
 135     g_free(pc);
 136 }
 137
 138 static void add_pc_test_case(const char *mname)
 139 {
 140     char *path;
 141     PlugTestData *data;
 142
 143     if (!g_str_has_prefix(mname, "pc-")) {
 144         return;
 145     }
 146     data = g_new(PlugTestData, 1);
 147     data->machine = g_strdup(mname);
 148     data->cpu_model = "Haswell"; /* 1.3+ theoretically */
 149     data->device_model = g_strdup_printf("%s-%s-cpu", data->cpu_model,
 150                                          qtest_get_arch());
 151     data->sockets = 1;
 152     data->cores = 3;
 153     data->threads = 2;
 154     data->maxcpus = data->sockets * data->cores * data->threads;
 155     if (g_str_has_suffix(mname, "-1.4") ||
 156         (strcmp(mname, "pc-1.3") == 0) ||
 157         (strcmp(mname, "pc-1.2") == 0) ||
 158         (strcmp(mname, "pc-1.1") == 0) ||
 159         (strcmp(mname, "pc-1.0") == 0) ||
 160         (strcmp(mname, "pc-0.15") == 0) ||
 161         (strcmp(mname, "pc-0.14") == 0) ||
 162         (strcmp(mname, "pc-0.13") == 0) ||
 163         (strcmp(mname, "pc-0.12") == 0)) {
 164         path = g_strdup_printf("cpu-plug/%s/init/%ux%ux%u&maxcpus=%u",
 165                                mname, data->sockets, data->cores,
 166                                data->threads, data->maxcpus);
 167         qtest_add_data_func_full(path, data, test_plug_without_cpu_add,
 168                                  test_data_free);
 169         g_free(path);
 170     } else {
 171         PlugTestData *data2 = g_memdup(data, sizeof(PlugTestData));
 172
 173         data2->machine = g_strdup(data->machine);
 174         data2->device_model = g_strdup(data->device_model);
 175
 176         path = g_strdup_printf("cpu-plug/%s/cpu-add/%ux%ux%u&maxcpus=%u",
 177                                mname, data->sockets, data->cores,
 178                                data->threads, data->maxcpus);
 179         qtest_add_data_func_full(path, data, test_plug_with_cpu_add,
 180                                  test_data_free);
 181         g_free(path);
 182         path = g_strdup_printf("cpu-plug/%s/device-add/%ux%ux%u&maxcpus=%u",
 183                                mname, data2->sockets, data2->cores,
 184                                data2->threads, data2->maxcpus);
 185         qtest_add_data_func_full(path, data2, test_plug_with_device_add_x86,
 186                                  test_data_free);
 187         g_free(path);
 188     }
 189 }
 190
 191 static void add_pseries_test_case(const char *mname)
 192 {
 193     char *path;
 194     PlugTestData *data;
 195
 196     if (!g_str_has_prefix(mname, "pseries-") ||
 197         (g_str_has_prefix(mname, "pseries-2.") && atoi(&mname[10]) < 7)) {
 198         return;
 199     }
 200     data = g_new(PlugTestData, 1);
 201     data->machine = g_strdup(mname);
 202     data->cpu_model = "power8_v2.0";
 203     data->device_model = g_strdup("power8_v2.0-spapr-cpu-core");
 204     data->sockets = 2;
 205     data->cores = 3;
 206     data->threads = 1;
 207     data->maxcpus = data->sockets * data->cores * data->threads;
 208
 209     path = g_strdup_printf("cpu-plug/%s/device-add/%ux%ux%u&maxcpus=%u",
 210                            mname, data->sockets, data->cores,
 211                            data->threads, data->maxcpus);
 212     qtest_add_data_func_full(path, data, test_plug_with_device_add_coreid,
 213                              test_data_free);
 214     g_free(path);
 215 }
 216
 217 static void add_s390x_test_case(const char *mname)
 218 {
 219     char *path;
 220     PlugTestData *data, *data2;
 221
 222     if (!g_str_has_prefix(mname, "s390-ccw-virtio-")) {
 223         return;
 224     }
 225
 226     data = g_new(PlugTestData, 1);
 227     data->machine = g_strdup(mname);
 228     data->cpu_model = "qemu";
 229     data->device_model = g_strdup("qemu-s390x-cpu");
 230     data->sockets = 1;
 231     data->cores = 3;
 232     data->threads = 1;
 233     data->maxcpus = data->sockets * data->cores * data->threads;
 234
 235     data2 = g_memdup(data, sizeof(PlugTestData));
 236     data2->machine = g_strdup(data->machine);
 237     data2->device_model = g_strdup(data->device_model);
 238
 239     path = g_strdup_printf("cpu-plug/%s/cpu-add/%ux%ux%u&maxcpus=%u",
 240                            mname, data->sockets, data->cores,
 241                            data->threads, data->maxcpus);
 242     qtest_add_data_func_full(path, data, test_plug_with_cpu_add,
 243                              test_data_free);
 244     g_free(path);
 245
 246     path = g_strdup_printf("cpu-plug/%s/device-add/%ux%ux%u&maxcpus=%u",
 247                            mname, data2->sockets, data2->cores,
 248                            data2->threads, data2->maxcpus);
 249     qtest_add_data_func_full(path, data2, test_plug_with_device_add_coreid,
 250                              test_data_free);
 251     g_free(path);
 252 }
 253
 254 int main(int argc, char **argv)
 255 {
 256     const char *arch = qtest_get_arch();
 257
 258     g_test_init(&argc, &argv, NULL);
 259
 260     if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
 261         qtest_cb_for_every_machine(add_pc_test_case, g_test_quick());
 262     } else if (g_str_equal(arch, "ppc64")) {
 263         qtest_cb_for_every_machine(add_pseries_test_case, g_test_quick());
 264     } else if (g_str_equal(arch, "s390x")) {
 265         qtest_cb_for_every_machine(add_s390x_test_case, g_test_quick());
 266     }
 267
 268     return g_test_run();
 269 }