diff options
Diffstat (limited to 'app/test/test_power_acpi_cpufreq.c')
| -rw-r--r-- | app/test/test_power_acpi_cpufreq.c | 540 |
1 files changed, 0 insertions, 540 deletions
diff --git a/app/test/test_power_acpi_cpufreq.c b/app/test/test_power_acpi_cpufreq.c deleted file mode 100644 index 64f5dd56..00000000 --- a/app/test/test_power_acpi_cpufreq.c +++ /dev/null @@ -1,540 +0,0 @@ -/*- - * 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); |