X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=app%2Ftest%2Ftest_power.c;h=64a230545a4eb4aa3bc0312dcd05e66fa9878d57;hb=922a5466c10024e8d1599deb0f4754fca1165ea7;hp=d9eb42054f5a2542d99ec6452864591fc455f1c4;hpb=7822c43aba8ce07208a94124a46579fe43c0b103;p=dpdk.git diff --git a/app/test/test_power.c b/app/test/test_power.c index d9eb42054f..64a230545a 100644 --- a/app/test/test_power.c +++ b/app/test/test_power.c @@ -41,437 +41,66 @@ #include -#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(void) { int ret = -1; + enum power_management_env env; - /* test of init power management for an invalid lcore */ - ret = rte_power_init(TEST_POWER_LCORE_INVALID); + /* Test setting an invalid environment */ + ret = rte_power_set_env(PM_ENV_NOT_SET); if (ret == 0) { - printf("Unexpectedly initialise power management successfully " - "for lcore %u\n", TEST_POWER_LCORE_INVALID); - return -1; - } - - ret = rte_power_init(TEST_POWER_LCORE_ID); - if (ret < 0) { - printf("Cannot initialise power management for lcore %u\n", - TEST_POWER_LCORE_ID); + printf("Unexpectedly succeeded on setting an invalid environment\n"); 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); + /* Test that the environment has not been set */ + env = rte_power_get_env(); + if (env != PM_ENV_NOT_SET) { + printf("Unexpectedly got a valid environment configuration\n"); return -1; } - ret = check_power_freqs(); - if (ret < 0) + /* verify that function pointers are NULL */ + if (rte_power_freqs != NULL) { + printf("rte_power_freqs should be NULL, environment has not been " + "initialised\n"); 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"); - return 0; } - - ret = check_power_get_freq(); - if (ret < 0) - goto fail_all; - - ret = check_power_set_freq(); - if (ret < 0) + if (rte_power_get_freq != NULL) { + printf("rte_power_get_freq should be NULL, environment has not been " + "initialised\n"); goto fail_all; - - ret = check_power_freq_down(); - if (ret < 0) - goto fail_all; - - ret = check_power_freq_up(); - if (ret < 0) + } + if (rte_power_set_freq != NULL) { + printf("rte_power_set_freq should be NULL, environment has not been " + "initialised\n"); goto fail_all; - - ret = check_power_freq_max(); - if (ret < 0) + } + if (rte_power_freq_up != NULL) { + printf("rte_power_freq_up should be NULL, environment has not been " + "initialised\n"); goto fail_all; - - ret = check_power_freq_min(); - if (ret < 0) + } + if (rte_power_freq_down != NULL) { + printf("rte_power_freq_down should be NULL, environment has not been " + "initialised\n"); 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); - 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); - return -1; + if (rte_power_freq_max != NULL) { + printf("rte_power_freq_max should be NULL, environment has not been " + "initialised\n"); + goto fail_all; } - - /* 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); - return -1; + if (rte_power_freq_min != NULL) { + printf("rte_power_freq_min should be NULL, environment has not been " + "initialised\n"); + goto fail_all; } - + rte_power_unset_env(); return 0; - fail_all: - rte_power_exit(TEST_POWER_LCORE_ID); - + rte_power_unset_env(); return -1; }