+++ /dev/null
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <stdio.h>
-#include <stdint.h>
-#include <unistd.h>
-#include <limits.h>
-#include <string.h>
-
-#include "test.h"
-
-#include <rte_power.h>
-
-#define TEST_POWER_LCORE_ID 2U
-#define TEST_POWER_LCORE_INVALID ((unsigned)RTE_MAX_LCORE)
-#define TEST_POWER_FREQS_NUM_MAX ((unsigned)RTE_MAX_LCORE_FREQS)
-
-#define TEST_POWER_SYSFILE_CUR_FREQ \
- "/sys/devices/system/cpu/cpu%u/cpufreq/scaling_cur_freq"
-
-static uint32_t total_freq_num;
-static uint32_t freqs[TEST_POWER_FREQS_NUM_MAX];
-
-static int
-check_cur_freq(unsigned lcore_id, uint32_t idx)
-{
-#define TEST_POWER_CONVERT_TO_DECIMAL 10
- FILE *f;
- char fullpath[PATH_MAX];
- char buf[BUFSIZ];
- uint32_t cur_freq;
- int ret = -1;
-
- if (snprintf(fullpath, sizeof(fullpath),
- TEST_POWER_SYSFILE_CUR_FREQ, lcore_id) < 0) {
- return 0;
- }
- f = fopen(fullpath, "r");
- if (f == NULL) {
- return 0;
- }
- if (fgets(buf, sizeof(buf), f) == NULL) {
- goto fail_get_cur_freq;
- }
- cur_freq = strtoul(buf, NULL, TEST_POWER_CONVERT_TO_DECIMAL);
- ret = (freqs[idx] == cur_freq ? 0 : -1);
-
-fail_get_cur_freq:
- fclose(f);
-
- return ret;
-}
-
-/* Check rte_power_freqs() */
-static int
-check_power_freqs(void)
-{
- uint32_t ret;
-
- total_freq_num = 0;
- memset(freqs, 0, sizeof(freqs));
-
- /* test with an invalid lcore id */
- ret = rte_power_freqs(TEST_POWER_LCORE_INVALID, freqs,
- TEST_POWER_FREQS_NUM_MAX);
- if (ret > 0) {
- printf("Unexpectedly get available freqs successfully on "
- "lcore %u\n", TEST_POWER_LCORE_INVALID);
- return -1;
- }
-
- /* test with NULL buffer to save available freqs */
- ret = rte_power_freqs(TEST_POWER_LCORE_ID, NULL,
- TEST_POWER_FREQS_NUM_MAX);
- if (ret > 0) {
- printf("Unexpectedly get available freqs successfully with "
- "NULL buffer on lcore %u\n", TEST_POWER_LCORE_ID);
- return -1;
- }
-
- /* test of getting zero number of freqs */
- ret = rte_power_freqs(TEST_POWER_LCORE_ID, freqs, 0);
- if (ret > 0) {
- printf("Unexpectedly get available freqs successfully with "
- "zero buffer size on lcore %u\n", TEST_POWER_LCORE_ID);
- return -1;
- }
-
- /* test with all valid input parameters */
- ret = rte_power_freqs(TEST_POWER_LCORE_ID, freqs,
- TEST_POWER_FREQS_NUM_MAX);
- if (ret == 0 || ret > TEST_POWER_FREQS_NUM_MAX) {
- printf("Fail to get available freqs on lcore %u\n",
- TEST_POWER_LCORE_ID);
- return -1;
- }
-
- /* Save the total number of available freqs */
- total_freq_num = ret;
-
- return 0;
-}
-
-/* Check rte_power_get_freq() */
-static int
-check_power_get_freq(void)
-{
- int ret;
- uint32_t count;
-
- /* test with an invalid lcore id */
- count = rte_power_get_freq(TEST_POWER_LCORE_INVALID);
- if (count < TEST_POWER_FREQS_NUM_MAX) {
- printf("Unexpectedly get freq index successfully on "
- "lcore %u\n", TEST_POWER_LCORE_INVALID);
- return -1;
- }
-
- count = rte_power_get_freq(TEST_POWER_LCORE_ID);
- if (count >= TEST_POWER_FREQS_NUM_MAX) {
- printf("Fail to get the freq index on lcore %u\n",
- TEST_POWER_LCORE_ID);
- return -1;
- }
-
- /* Check the current frequency */
- ret = check_cur_freq(TEST_POWER_LCORE_ID, count);
- if (ret < 0)
- return -1;
-
- return 0;
-}
-
-/* Check rte_power_set_freq() */
-static int
-check_power_set_freq(void)
-{
- int ret;
-
- /* test with an invalid lcore id */
- ret = rte_power_set_freq(TEST_POWER_LCORE_INVALID, 0);
- if (ret >= 0) {
- printf("Unexpectedly set freq index successfully on "
- "lcore %u\n", TEST_POWER_LCORE_INVALID);
- return -1;
- }
-
- /* test with an invalid freq index */
- ret = rte_power_set_freq(TEST_POWER_LCORE_ID,
- TEST_POWER_FREQS_NUM_MAX);
- if (ret >= 0) {
- printf("Unexpectedly set an invalid freq index (%u)"
- "successfully on lcore %u\n", TEST_POWER_FREQS_NUM_MAX,
- TEST_POWER_LCORE_ID);
- return -1;
- }
-
- /**
- * test with an invalid freq index which is right one bigger than
- * total number of freqs
- */
- ret = rte_power_set_freq(TEST_POWER_LCORE_ID, total_freq_num);
- if (ret >= 0) {
- printf("Unexpectedly set an invalid freq index (%u)"
- "successfully on lcore %u\n", total_freq_num,
- TEST_POWER_LCORE_ID);
- return -1;
- }
- ret = rte_power_set_freq(TEST_POWER_LCORE_ID, total_freq_num - 1);
- if (ret < 0) {
- printf("Fail to set freq index on lcore %u\n",
- TEST_POWER_LCORE_ID);
- return -1;
- }
-
- /* Check the current frequency */
- ret = check_cur_freq(TEST_POWER_LCORE_ID, total_freq_num - 1);
- if (ret < 0)
- return -1;
-
- return 0;
-}
-
-/* Check rte_power_freq_down() */
-static int
-check_power_freq_down(void)
-{
- int ret;
-
- /* test with an invalid lcore id */
- ret = rte_power_freq_down(TEST_POWER_LCORE_INVALID);
- if (ret >= 0) {
- printf("Unexpectedly scale down successfully the freq on "
- "lcore %u\n", TEST_POWER_LCORE_INVALID);
- return -1;
- }
-
- /* Scale down to min and then scale down one step */
- ret = rte_power_freq_min(TEST_POWER_LCORE_ID);
- if (ret < 0) {
- printf("Fail to scale down the freq to min on lcore %u\n",
- TEST_POWER_LCORE_ID);
- return -1;
- }
- ret = rte_power_freq_down(TEST_POWER_LCORE_ID);
- if (ret < 0) {
- printf("Fail to scale down the freq on lcore %u\n",
- TEST_POWER_LCORE_ID);
- return -1;
- }
-
- /* Check the current frequency */
- ret = check_cur_freq(TEST_POWER_LCORE_ID, total_freq_num - 1);
- if (ret < 0)
- return -1;
-
- /* Scale up to max and then scale down one step */
- ret = rte_power_freq_max(TEST_POWER_LCORE_ID);
- if (ret < 0) {
- printf("Fail to scale up the freq to max on lcore %u\n",
- TEST_POWER_LCORE_ID);
- return -1;
- }
- ret = rte_power_freq_down(TEST_POWER_LCORE_ID);
- if (ret < 0) {
- printf("Fail to scale down the freq on lcore %u\n",
- TEST_POWER_LCORE_ID);
- return -1;
- }
-
- /* Check the current frequency */
- ret = check_cur_freq(TEST_POWER_LCORE_ID, 1);
- if (ret < 0)
- return -1;
-
- return 0;
-}
-
-/* Check rte_power_freq_up() */
-static int
-check_power_freq_up(void)
-{
- int ret;
-
- /* test with an invalid lcore id */
- ret = rte_power_freq_up(TEST_POWER_LCORE_INVALID);
- if (ret >= 0) {
- printf("Unexpectedly scale up successfully the freq on %u\n",
- TEST_POWER_LCORE_INVALID);
- return -1;
- }
-
- /* Scale down to min and then scale up one step */
- ret = rte_power_freq_min(TEST_POWER_LCORE_ID);
- if (ret < 0) {
- printf("Fail to scale down the freq to min on lcore %u\n",
- TEST_POWER_LCORE_ID);
- return -1;
- }
- ret = rte_power_freq_up(TEST_POWER_LCORE_ID);
- if (ret < 0) {
- printf("Fail to scale up the freq on lcore %u\n",
- TEST_POWER_LCORE_ID);
- return -1;
- }
-
- /* Check the current frequency */
- ret = check_cur_freq(TEST_POWER_LCORE_ID, total_freq_num - 2);
- if (ret < 0)
- return -1;
-
- /* Scale up to max and then scale up one step */
- ret = rte_power_freq_max(TEST_POWER_LCORE_ID);
- if (ret < 0) {
- printf("Fail to scale up the freq to max on lcore %u\n",
- TEST_POWER_LCORE_ID);
- return -1;
- }
- ret = rte_power_freq_up(TEST_POWER_LCORE_ID);
- if (ret < 0) {
- printf("Fail to scale up the freq on lcore %u\n",
- TEST_POWER_LCORE_ID);
- return -1;
- }
-
- /* Check the current frequency */
- ret = check_cur_freq(TEST_POWER_LCORE_ID, 0);
- if (ret < 0)
- return -1;
-
- return 0;
-}
-
-/* Check rte_power_freq_max() */
-static int
-check_power_freq_max(void)
-{
- int ret;
-
- /* test with an invalid lcore id */
- ret = rte_power_freq_max(TEST_POWER_LCORE_INVALID);
- if (ret >= 0) {
- printf("Unexpectedly scale up successfully the freq to max on "
- "lcore %u\n", TEST_POWER_LCORE_INVALID);
- return -1;
- }
- ret = rte_power_freq_max(TEST_POWER_LCORE_ID);
- if (ret < 0) {
- printf("Fail to scale up the freq to max on lcore %u\n",
- TEST_POWER_LCORE_ID);
- return -1;
- }
-
- /* Check the current frequency */
- ret = check_cur_freq(TEST_POWER_LCORE_ID, 0);
- if (ret < 0)
- return -1;
-
- return 0;
-}
-
-/* Check rte_power_freq_min() */
-static int
-check_power_freq_min(void)
-{
- int ret;
-
- /* test with an invalid lcore id */
- ret = rte_power_freq_min(TEST_POWER_LCORE_INVALID);
- if (ret >= 0) {
- printf("Unexpectedly scale down successfully the freq to min "
- "on lcore %u\n", TEST_POWER_LCORE_INVALID);
- return -1;
- }
- ret = rte_power_freq_min(TEST_POWER_LCORE_ID);
- if (ret < 0) {
- printf("Fail to scale down the freq to min on lcore %u\n",
- TEST_POWER_LCORE_ID);
- return -1;
- }
-
- /* Check the current frequency */
- ret = check_cur_freq(TEST_POWER_LCORE_ID, total_freq_num - 1);
- if (ret < 0)
- return -1;
-
- return 0;
-}
-
-static int
-test_power_acpi_cpufreq(void)
-{
- int ret = -1;
- enum power_management_env env;
-
- ret = rte_power_set_env(PM_ENV_ACPI_CPUFREQ);
- if (ret != 0) {
- printf("Failed on setting environment to PM_ENV_ACPI_CPUFREQ, this "
- "may occur if environment is not configured correctly or "
- " operating in another valid Power management environment\n");
- return -1;
- }
-
- /* Test environment configuration */
- env = rte_power_get_env();
- if (env != PM_ENV_ACPI_CPUFREQ) {
- printf("Unexpectedly got an environment other than ACPI cpufreq\n");
- goto fail_all;
- }
-
- /* verify that function pointers are not NULL */
- if (rte_power_freqs == NULL) {
- printf("rte_power_freqs should not be NULL, environment has not been "
- "initialised\n");
- goto fail_all;
- }
- if (rte_power_get_freq == NULL) {
- printf("rte_power_get_freq should not be NULL, environment has not "
- "been initialised\n");
- goto fail_all;
- }
- if (rte_power_set_freq == NULL) {
- printf("rte_power_set_freq should not be NULL, environment has not "
- "been initialised\n");
- goto fail_all;
- }
- if (rte_power_freq_up == NULL) {
- printf("rte_power_freq_up should not be NULL, environment has not "
- "been initialised\n");
- goto fail_all;
- }
- if (rte_power_freq_down == NULL) {
- printf("rte_power_freq_down should not be NULL, environment has not "
- "been initialised\n");
- goto fail_all;
- }
- if (rte_power_freq_max == NULL) {
- printf("rte_power_freq_max should not be NULL, environment has not "
- "been initialised\n");
- goto fail_all;
- }
- if (rte_power_freq_min == NULL) {
- printf("rte_power_freq_min should not be NULL, environment has not "
- "been initialised\n");
- goto fail_all;
- }
-
- /* test of init power management for an invalid lcore */
- ret = rte_power_init(TEST_POWER_LCORE_INVALID);
- if (ret == 0) {
- printf("Unexpectedly initialise power management successfully "
- "for lcore %u\n", TEST_POWER_LCORE_INVALID);
- rte_power_unset_env();
- return -1;
- }
-
- /* Test initialisation of a valid lcore */
- ret = rte_power_init(TEST_POWER_LCORE_ID);
- if (ret < 0) {
- printf("Cannot initialise power management for lcore %u, this "
- "may occur if environment is not configured "
- "correctly(APCI cpufreq) or operating in another valid "
- "Power management environment\n", TEST_POWER_LCORE_ID);
- rte_power_unset_env();
- return -1;
- }
-
- /**
- * test of initialising power management for the lcore which has
- * been initialised
- */
- ret = rte_power_init(TEST_POWER_LCORE_ID);
- if (ret == 0) {
- printf("Unexpectedly init successfully power twice on "
- "lcore %u\n", TEST_POWER_LCORE_ID);
- goto fail_all;
- }
-
- ret = check_power_freqs();
- if (ret < 0)
- goto fail_all;
-
- if (total_freq_num < 2) {
- rte_power_exit(TEST_POWER_LCORE_ID);
- printf("Frequency can not be changed due to CPU itself\n");
- rte_power_unset_env();
- return 0;
- }
-
- ret = check_power_get_freq();
- if (ret < 0)
- goto fail_all;
-
- ret = check_power_set_freq();
- if (ret < 0)
- goto fail_all;
-
- ret = check_power_freq_down();
- if (ret < 0)
- goto fail_all;
-
- ret = check_power_freq_up();
- if (ret < 0)
- goto fail_all;
-
- ret = check_power_freq_max();
- if (ret < 0)
- goto fail_all;
-
- ret = check_power_freq_min();
- if (ret < 0)
- goto fail_all;
-
- ret = rte_power_exit(TEST_POWER_LCORE_ID);
- if (ret < 0) {
- printf("Cannot exit power management for lcore %u\n",
- TEST_POWER_LCORE_ID);
- rte_power_unset_env();
- return -1;
- }
-
- /**
- * test of exiting power management for the lcore which has been exited
- */
- ret = rte_power_exit(TEST_POWER_LCORE_ID);
- if (ret == 0) {
- printf("Unexpectedly exit successfully power management twice "
- "on lcore %u\n", TEST_POWER_LCORE_ID);
- rte_power_unset_env();
- return -1;
- }
-
- /* test of exit power management for an invalid lcore */
- ret = rte_power_exit(TEST_POWER_LCORE_INVALID);
- if (ret == 0) {
- printf("Unpectedly exit power management successfully for "
- "lcore %u\n", TEST_POWER_LCORE_INVALID);
- rte_power_unset_env();
- return -1;
- }
- rte_power_unset_env();
- return 0;
-
-fail_all:
- rte_power_exit(TEST_POWER_LCORE_ID);
- rte_power_unset_env();
- return -1;
-}
-
-REGISTER_TEST_COMMAND(power_acpi_cpufreq_autotest, test_power_acpi_cpufreq);
git.droids-corp.org / dpdk.git / blobdiff