test/test/test_power_kvm_vm.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2018 Intel Corporation
   3  */
   4
   5 #include <stdio.h>
   6 #include <stdint.h>
   7 #include <unistd.h>
   8 #include <limits.h>
   9 #include <string.h>
  10
  11 #include "test.h"
  12
  13 #ifndef RTE_LIBRTE_POWER
  14
  15 static int
  16 test_power_kvm_vm(void)
  17 {
  18         printf("Power management library not supported, skipping test\n");
  19         return TEST_SKIPPED;
  20 }
  21
  22 #else
  23 #include <rte_power.h>
  24
  25 #define TEST_POWER_VM_LCORE_ID            0U
  26 #define TEST_POWER_VM_LCORE_OUT_OF_BOUNDS (RTE_MAX_LCORE+1)
  27 #define TEST_POWER_VM_LCORE_INVALID       1U
  28
  29 static int
  30 test_power_kvm_vm(void)
  31 {
  32         int ret;
  33         enum power_management_env env;
  34
  35         ret = rte_power_set_env(PM_ENV_KVM_VM);
  36         if (ret != 0) {
  37                 printf("Failed on setting environment to PM_ENV_KVM_VM\n");
  38                 return -1;
  39         }
  40
  41         /* Test environment configuration */
  42         env = rte_power_get_env();
  43         if (env != PM_ENV_KVM_VM) {
  44                 printf("Unexpectedly got a Power Management environment other than "
  45                                 "KVM VM\n");
  46                 rte_power_unset_env();
  47                 return -1;
  48         }
  49
  50         /* verify that function pointers are not NULL */
  51         if (rte_power_freqs == NULL) {
  52                 printf("rte_power_freqs should not be NULL, environment has not been "
  53                                 "initialised\n");
  54                 return -1;
  55         }
  56         if (rte_power_get_freq == NULL) {
  57                 printf("rte_power_get_freq should not be NULL, environment has not "
  58                                 "been initialised\n");
  59                 return -1;
  60         }
  61         if (rte_power_set_freq == NULL) {
  62                 printf("rte_power_set_freq should not be NULL, environment has not "
  63                                 "been initialised\n");
  64                 return -1;
  65         }
  66         if (rte_power_freq_up == NULL) {
  67                 printf("rte_power_freq_up should not be NULL, environment has not "
  68                                 "been initialised\n");
  69                 return -1;
  70         }
  71         if (rte_power_freq_down == NULL) {
  72                 printf("rte_power_freq_down should not be NULL, environment has not "
  73                                 "been initialised\n");
  74                 return -1;
  75         }
  76         if (rte_power_freq_max == NULL) {
  77                 printf("rte_power_freq_max should not be NULL, environment has not "
  78                                 "been initialised\n");
  79                 return -1;
  80         }
  81         if (rte_power_freq_min == NULL) {
  82                 printf("rte_power_freq_min should not be NULL, environment has not "
  83                                 "been initialised\n");
  84                 return -1;
  85         }
  86         /* Test initialisation of an out of bounds lcore */
  87         ret = rte_power_init(TEST_POWER_VM_LCORE_OUT_OF_BOUNDS);
  88         if (ret != -1) {
  89                 printf("rte_power_init unexpectedly succeeded on an invalid lcore %u\n",
  90                                 TEST_POWER_VM_LCORE_OUT_OF_BOUNDS);
  91                 rte_power_unset_env();
  92                 return -1;
  93         }
  94
  95         /* Test initialisation of a valid lcore */
  96         ret = rte_power_init(TEST_POWER_VM_LCORE_ID);
  97         if (ret < 0) {
  98                 printf("Cannot initialise power management for lcore %u, this "
  99                                 "may occur if environment is not configured "
 100                                 "correctly(KVM VM) or operating in another valid "
 101                                 "Power management environment\n",
 102                                 TEST_POWER_VM_LCORE_ID);
 103                 rte_power_unset_env();
 104                 return -1;
 105         }
 106
 107         /* Test initialisation of previously initialised lcore */
 108         ret = rte_power_init(TEST_POWER_VM_LCORE_ID);
 109         if (ret == 0) {
 110                 printf("rte_power_init unexpectedly succeeded on calling init twice on"
 111                                 " lcore %u\n", TEST_POWER_VM_LCORE_ID);
 112                 goto fail_all;
 113         }
 114
 115         /* Test frequency up of invalid lcore */
 116         ret = rte_power_freq_up(TEST_POWER_VM_LCORE_OUT_OF_BOUNDS);
 117         if (ret == 1) {
 118                 printf("rte_power_freq_up unexpectedly succeeded on invalid lcore %u\n",
 119                                 TEST_POWER_VM_LCORE_OUT_OF_BOUNDS);
 120                 goto fail_all;
 121         }
 122
 123         /* Test frequency down of invalid lcore */
 124         ret = rte_power_freq_down(TEST_POWER_VM_LCORE_OUT_OF_BOUNDS);
 125         if (ret == 1) {
 126                 printf("rte_power_freq_down unexpectedly succeeded on invalid lcore "
 127                                 "%u\n", TEST_POWER_VM_LCORE_OUT_OF_BOUNDS);
 128                 goto fail_all;
 129         }
 130
 131         /* Test frequency min of invalid lcore */
 132         ret = rte_power_freq_min(TEST_POWER_VM_LCORE_OUT_OF_BOUNDS);
 133         if (ret == 1) {
 134                 printf("rte_power_freq_min unexpectedly succeeded on invalid lcore "
 135                                 "%u\n", TEST_POWER_VM_LCORE_OUT_OF_BOUNDS);
 136                 goto fail_all;
 137         }
 138
 139         /* Test frequency max of invalid lcore */
 140         ret = rte_power_freq_max(TEST_POWER_VM_LCORE_OUT_OF_BOUNDS);
 141         if (ret == 1) {
 142                 printf("rte_power_freq_max unexpectedly succeeded on invalid lcore "
 143                                 "%u\n", TEST_POWER_VM_LCORE_OUT_OF_BOUNDS);
 144                 goto fail_all;
 145         }
 146
 147         /* Test frequency up of valid but uninitialised lcore */
 148         ret = rte_power_freq_up(TEST_POWER_VM_LCORE_INVALID);
 149         if (ret == 1) {
 150                 printf("rte_power_freq_up unexpectedly succeeded on invalid lcore %u\n",
 151                                 TEST_POWER_VM_LCORE_INVALID);
 152                 goto fail_all;
 153         }
 154
 155         /* Test frequency down of valid but uninitialised lcore */
 156         ret = rte_power_freq_down(TEST_POWER_VM_LCORE_INVALID);
 157         if (ret == 1) {
 158                 printf("rte_power_freq_down unexpectedly succeeded on invalid lcore "
 159                                 "%u\n", TEST_POWER_VM_LCORE_INVALID);
 160                 goto fail_all;
 161         }
 162
 163         /* Test frequency min of valid but uninitialised lcore */
 164         ret = rte_power_freq_min(TEST_POWER_VM_LCORE_INVALID);
 165         if (ret == 1) {
 166                 printf("rte_power_freq_min unexpectedly succeeded on invalid lcore "
 167                                 "%u\n", TEST_POWER_VM_LCORE_INVALID);
 168                 goto fail_all;
 169         }
 170
 171         /* Test frequency max of valid but uninitialised lcore */
 172         ret = rte_power_freq_max(TEST_POWER_VM_LCORE_INVALID);
 173         if (ret == 1) {
 174                 printf("rte_power_freq_max unexpectedly succeeded on invalid lcore "
 175                                 "%u\n", TEST_POWER_VM_LCORE_INVALID);
 176                 goto fail_all;
 177         }
 178
 179         /* Test KVM_VM Enable Turbo of valid core */
 180         ret = rte_power_freq_enable_turbo(TEST_POWER_VM_LCORE_ID);
 181         if (ret == -1) {
 182                 printf("rte_power_freq_enable_turbo failed on valid lcore"
 183                         "%u\n", TEST_POWER_VM_LCORE_ID);
 184                 goto fail_all;
 185         }
 186
 187         /* Test KVM_VM Disable Turbo of valid core */
 188         ret = rte_power_freq_disable_turbo(TEST_POWER_VM_LCORE_ID);
 189         if (ret == -1) {
 190                 printf("rte_power_freq_disable_turbo failed on valid lcore"
 191                 "%u\n", TEST_POWER_VM_LCORE_ID);
 192                 goto fail_all;
 193         }
 194
 195         /* Test frequency up of valid lcore */
 196         ret = rte_power_freq_up(TEST_POWER_VM_LCORE_ID);
 197         if (ret != 1) {
 198                 printf("rte_power_freq_up unexpectedly failed on valid lcore %u\n",
 199                                 TEST_POWER_VM_LCORE_ID);
 200                 goto fail_all;
 201         }
 202
 203         /* Test frequency down of valid lcore */
 204         ret = rte_power_freq_down(TEST_POWER_VM_LCORE_ID);
 205         if (ret != 1) {
 206                 printf("rte_power_freq_down unexpectedly failed on valid lcore "
 207                                 "%u\n", TEST_POWER_VM_LCORE_ID);
 208                 goto fail_all;
 209         }
 210
 211         /* Test frequency min of valid lcore */
 212         ret = rte_power_freq_min(TEST_POWER_VM_LCORE_ID);
 213         if (ret != 1) {
 214                 printf("rte_power_freq_min unexpectedly failed on valid lcore "
 215                                 "%u\n", TEST_POWER_VM_LCORE_ID);
 216                 goto fail_all;
 217         }
 218
 219         /* Test frequency max of valid lcore */
 220         ret = rte_power_freq_max(TEST_POWER_VM_LCORE_ID);
 221         if (ret != 1) {
 222                 printf("rte_power_freq_max unexpectedly failed on valid lcore "
 223                                 "%u\n", TEST_POWER_VM_LCORE_ID);
 224                 goto fail_all;
 225         }
 226
 227         /* Test unsupported rte_power_freqs */
 228         ret = rte_power_freqs(TEST_POWER_VM_LCORE_ID, NULL, 0);
 229         if (ret != -ENOTSUP) {
 230                 printf("rte_power_freqs did not return the expected -ENOTSUP(%d) but "
 231                                 "returned %d\n", -ENOTSUP, ret);
 232                 goto fail_all;
 233         }
 234
 235         /* Test unsupported rte_power_get_freq */
 236         ret = rte_power_get_freq(TEST_POWER_VM_LCORE_ID);
 237         if (ret != -ENOTSUP) {
 238                 printf("rte_power_get_freq did not return the expected -ENOTSUP(%d) but"
 239                                 " returned %d for lcore %u\n",
 240                                 -ENOTSUP, ret, TEST_POWER_VM_LCORE_ID);
 241                 goto fail_all;
 242         }
 243
 244         /* Test unsupported rte_power_set_freq */
 245         ret = rte_power_set_freq(TEST_POWER_VM_LCORE_ID, 0);
 246         if (ret != -ENOTSUP) {
 247                 printf("rte_power_set_freq did not return the expected -ENOTSUP(%d) but"
 248                                 " returned %d for lcore %u\n",
 249                                 -ENOTSUP, ret, TEST_POWER_VM_LCORE_ID);
 250                 goto fail_all;
 251         }
 252
 253         /* Test removing of an lcore */
 254         ret = rte_power_exit(TEST_POWER_VM_LCORE_ID);
 255         if (ret != 0) {
 256                 printf("rte_power_exit unexpectedly failed on valid lcore %u,"
 257                                 "please ensure that the environment has been configured "
 258                                 "correctly\n", TEST_POWER_VM_LCORE_ID);
 259                 goto fail_all;
 260         }
 261
 262         /* Test frequency up of previously removed lcore */
 263         ret = rte_power_freq_up(TEST_POWER_VM_LCORE_ID);
 264         if (ret == 0) {
 265                 printf("rte_power_freq_up unexpectedly succeeded on a removed "
 266                                 "lcore %u\n", TEST_POWER_VM_LCORE_ID);
 267                 return -1;
 268         }
 269
 270         /* Test frequency down of previously removed lcore */
 271         ret = rte_power_freq_down(TEST_POWER_VM_LCORE_ID);
 272         if (ret == 0) {
 273                 printf("rte_power_freq_down unexpectedly succeeded on a removed "
 274                                 "lcore %u\n", TEST_POWER_VM_LCORE_ID);
 275                 return -1;
 276         }
 277
 278         /* Test frequency min of previously removed lcore */
 279         ret = rte_power_freq_min(TEST_POWER_VM_LCORE_ID);
 280         if (ret == 0) {
 281                 printf("rte_power_freq_min unexpectedly succeeded on a removed "
 282                                 "lcore %u\n", TEST_POWER_VM_LCORE_ID);
 283                 return -1;
 284         }
 285
 286         /* Test frequency max of previously removed lcore */
 287         ret = rte_power_freq_max(TEST_POWER_VM_LCORE_ID);
 288         if (ret == 0) {
 289                 printf("rte_power_freq_max unexpectedly succeeded on a removed "
 290                                 "lcore %u\n", TEST_POWER_VM_LCORE_ID);
 291                 return -1;
 292         }
 293         rte_power_unset_env();
 294         return 0;
 295 fail_all:
 296         rte_power_exit(TEST_POWER_VM_LCORE_ID);
 297         rte_power_unset_env();
 298         return -1;
 299 }
 300 #endif
 301
 302 REGISTER_TEST_COMMAND(power_kvm_vm_autotest, test_power_kvm_vm);