X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=app%2Ftest%2Ftest_power_cpufreq.c;h=4d013cd7bb449efeba7f74532f903e744258b010;hb=ecdc927b99f2bdf3e5951998c7fda9726071bc38;hp=f753d24ac568abb13e613f3fba25c5805ba8a419;hpb=606a234c6d3607c93a0426bdccdbf9aaa2b8e5f6;p=dpdk.git diff --git a/app/test/test_power_cpufreq.c b/app/test/test_power_cpufreq.c index f753d24ac5..4d013cd7bb 100644 --- a/app/test/test_power_cpufreq.c +++ b/app/test/test_power_cpufreq.c @@ -39,31 +39,42 @@ test_power_caps(void) #define TEST_FREQ_ROUNDING_DELTA 50000 #define TEST_ROUND_FREQ_TO_N_100000 100000 -#define TEST_POWER_SYSFILE_CUR_FREQ \ +#define TEST_POWER_SYSFILE_CPUINFO_FREQ \ "/sys/devices/system/cpu/cpu%u/cpufreq/cpuinfo_cur_freq" +#define TEST_POWER_SYSFILE_SCALING_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) +check_cur_freq(unsigned int lcore_id, uint32_t idx, bool turbo) { #define TEST_POWER_CONVERT_TO_DECIMAL 10 #define MAX_LOOP 100 FILE *f; char fullpath[PATH_MAX]; char buf[BUFSIZ]; + enum power_management_env env; uint32_t cur_freq; + uint32_t freq_conv; int ret = -1; int i; if (snprintf(fullpath, sizeof(fullpath), - TEST_POWER_SYSFILE_CUR_FREQ, lcore_id) < 0) { + TEST_POWER_SYSFILE_CPUINFO_FREQ, lcore_id) < 0) { return 0; } f = fopen(fullpath, "r"); if (f == NULL) { - return 0; + if (snprintf(fullpath, sizeof(fullpath), + TEST_POWER_SYSFILE_SCALING_FREQ, lcore_id) < 0) { + return 0; + } + f = fopen(fullpath, "r"); + if (f == NULL) { + return 0; + } } for (i = 0; i < MAX_LOOP; i++) { fflush(f); @@ -71,17 +82,23 @@ check_cur_freq(unsigned lcore_id, uint32_t idx) goto fail_all; cur_freq = strtoul(buf, NULL, TEST_POWER_CONVERT_TO_DECIMAL); + freq_conv = cur_freq; + + env = rte_power_get_env(); + if (env == PM_ENV_CPPC_CPUFREQ || env == PM_ENV_PSTATE_CPUFREQ) { + /* convert the frequency to nearest 100000 value + * Ex: if cur_freq=1396789 then freq_conv=1400000 + * Ex: if cur_freq=800030 then freq_conv=800000 + */ + freq_conv = (cur_freq + TEST_FREQ_ROUNDING_DELTA) + / TEST_ROUND_FREQ_TO_N_100000; + freq_conv = freq_conv * TEST_ROUND_FREQ_TO_N_100000; + } - /* convert the frequency to nearest 100000 value - * Ex: if cur_freq=1396789 then freq_conv=1400000 - * Ex: if cur_freq=800030 then freq_conv=800000 - */ - unsigned int freq_conv = 0; - freq_conv = (cur_freq + TEST_FREQ_ROUNDING_DELTA) - / TEST_ROUND_FREQ_TO_N_100000; - freq_conv = freq_conv * TEST_ROUND_FREQ_TO_N_100000; - - ret = (freqs[idx] == freq_conv ? 0 : -1); + if (turbo) + ret = (freqs[idx] <= freq_conv ? 0 : -1); + else + ret = (freqs[idx] == freq_conv ? 0 : -1); if (ret == 0) break; @@ -174,7 +191,7 @@ check_power_get_freq(void) } /* Check the current frequency */ - ret = check_cur_freq(TEST_POWER_LCORE_ID, count); + ret = check_cur_freq(TEST_POWER_LCORE_ID, count, false); if (ret < 0) return -1; @@ -224,7 +241,7 @@ check_power_set_freq(void) } /* Check the current frequency */ - ret = check_cur_freq(TEST_POWER_LCORE_ID, total_freq_num - 1); + ret = check_cur_freq(TEST_POWER_LCORE_ID, total_freq_num - 1, false); if (ret < 0) return -1; @@ -237,6 +254,8 @@ check_power_freq_down(void) { int ret; + rte_power_freq_enable_turbo(TEST_POWER_LCORE_ID); + /* test with an invalid lcore id */ ret = rte_power_freq_down(TEST_POWER_LCORE_INVALID); if (ret >= 0) { @@ -260,7 +279,7 @@ check_power_freq_down(void) } /* Check the current frequency */ - ret = check_cur_freq(TEST_POWER_LCORE_ID, total_freq_num - 1); + ret = check_cur_freq(TEST_POWER_LCORE_ID, total_freq_num - 1, false); if (ret < 0) return -1; @@ -279,7 +298,7 @@ check_power_freq_down(void) } /* Check the current frequency */ - ret = check_cur_freq(TEST_POWER_LCORE_ID, 1); + ret = check_cur_freq(TEST_POWER_LCORE_ID, 1, false); if (ret < 0) return -1; @@ -315,7 +334,7 @@ check_power_freq_up(void) } /* Check the current frequency */ - ret = check_cur_freq(TEST_POWER_LCORE_ID, total_freq_num - 2); + ret = check_cur_freq(TEST_POWER_LCORE_ID, total_freq_num - 2, false); if (ret < 0) return -1; @@ -334,7 +353,7 @@ check_power_freq_up(void) } /* Check the current frequency */ - ret = check_cur_freq(TEST_POWER_LCORE_ID, 0); + ret = check_cur_freq(TEST_POWER_LCORE_ID, 0, true); if (ret < 0) return -1; @@ -362,7 +381,7 @@ check_power_freq_max(void) } /* Check the current frequency */ - ret = check_cur_freq(TEST_POWER_LCORE_ID, 0); + ret = check_cur_freq(TEST_POWER_LCORE_ID, 0, true); if (ret < 0) return -1; @@ -390,7 +409,7 @@ check_power_freq_min(void) } /* Check the current frequency */ - ret = check_cur_freq(TEST_POWER_LCORE_ID, total_freq_num - 1); + ret = check_cur_freq(TEST_POWER_LCORE_ID, total_freq_num - 1, false); if (ret < 0) return -1; @@ -422,9 +441,15 @@ check_power_turbo(void) TEST_POWER_LCORE_ID); 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); + ret = check_cur_freq(TEST_POWER_LCORE_ID, 0, true); if (ret < 0) return -1; @@ -441,9 +466,15 @@ check_power_turbo(void) TEST_POWER_LCORE_ID); 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, 1); + ret = check_cur_freq(TEST_POWER_LCORE_ID, 1, false); if (ret < 0) return -1; @@ -470,7 +501,8 @@ test_power_cpufreq(void) /* Test environment configuration */ env = rte_power_get_env(); - if ((env != PM_ENV_ACPI_CPUFREQ) && (env != PM_ENV_PSTATE_CPUFREQ)) { + if ((env != PM_ENV_ACPI_CPUFREQ) && (env != PM_ENV_PSTATE_CPUFREQ) && + (env != PM_ENV_CPPC_CPUFREQ)) { printf("Unexpectedly got an environment other than ACPI/PSTATE\n"); goto fail_all; } @@ -627,7 +659,7 @@ test_power_cpufreq(void) /* 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 " + printf("Unexpectedly exit power management successfully for " "lcore %u\n", TEST_POWER_LCORE_INVALID); rte_power_unset_env(); return -1;