Hi, Petri This patch contains validation tests for API you've recently added. Could you please review it.
On 15.01.16 11:16, Ivan Khoronzhuk wrote:
https://bugs.linaro.org/show_bug.cgi?id=1906 Signed-off-by: Ivan Khoronzhuk <ivan.khoronz...@linaro.org> --- test/validation/system/system.c | 118 ++++++++++++++++++++++++++++++++++++++++ test/validation/system/system.h | 4 ++ 2 files changed, 122 insertions(+) diff --git a/test/validation/system/system.c b/test/validation/system/system.c index 7dc2cc0..4a382ac 100644 --- a/test/validation/system/system.c +++ b/test/validation/system/system.c @@ -10,6 +10,8 @@ #include "test_debug.h" #include "system.h" +#define TRY_NUM 80 + void system_test_odp_version_numbers(void) { int char_ok = 0; @@ -40,6 +42,118 @@ void system_test_odp_cpu_count(void) CU_ASSERT(0 < cpus); } +void system_test_odp_cpu_cycles(void) +{ + uint64_t c2, c1; + + c1 = odp_cpu_cycles(); + odp_time_wait_ns(100); + c2 = odp_cpu_cycles(); + + CU_ASSERT(c2 != c1); +} + +void system_test_odp_cpu_cycles_max(void) +{ + uint64_t c2, c1; + uint64_t max1, max2; + + max1 = odp_cpu_cycles_max(); + odp_time_wait_ns(100); + max2 = odp_cpu_cycles_max(); + + CU_ASSERT(max1 >= UINT32_MAX / 2); + CU_ASSERT(max1 == max2); + + c1 = odp_cpu_cycles(); + odp_time_wait_ns(1000); + c2 = odp_cpu_cycles(); + + CU_ASSERT(c1 < max1 && c2 < max1); +} + +void system_test_odp_cpu_cycles_diff(void) +{ + int i; + uint64_t c2, c1; + uint64_t etalon, diff; + + c2 = 100; + c1 = 39; + + diff = odp_cpu_cycles_diff(c2, c2); + CU_ASSERT(diff == 0); + + etalon = c2 - c1; + diff = odp_cpu_cycles_diff(c2, c1); + CU_ASSERT(diff == etalon); + + etalon = c1 + (odp_cpu_cycles_max() - c2) + 1; + diff = odp_cpu_cycles_diff(c1, c2); + CU_ASSERT(diff == etalon); + + c1 = odp_cpu_cycles(); + if (!(odp_cpu_cycles_max() <= UINT32_MAX || + (odp_cpu_cycles_max() - c1) <= UINT32_MAX)) + return; + + /* must handle one wrap */ + for (i = 0; i < TRY_NUM; i++) { + c1 = odp_cpu_cycles(); + odp_time_wait_ns(100 * ODP_TIME_MSEC_IN_NS + i); + c2 = odp_cpu_cycles(); + + CU_ASSERT(c2 != c1); + + if (c2 > c1) + etalon = c2 - c1; + else + etalon = c2 + (odp_cpu_cycles_max() - c1) + 1; + + diff = odp_cpu_cycles_diff(c2, c1); + CU_ASSERT(diff == etalon); + + /* wrap is detected and verified */ + if (c2 < c1) + break; + } + + /* wrap has to be detected */ + CU_ASSERT(i < TRY_NUM); +} + +void system_test_odp_cpu_cycles_resolution(void) +{ + int i; + uint64_t rest; + uint64_t c2, c1; + uint64_t res, diff; + + res = odp_cpu_cycles_resolution(); + CU_ASSERT(res != 0); + + /* + * must be a multiple of resolution in + * whole interval till wrap, in another + * case resolution is set incorrectly + */ + for (i = 0; i < 10; i++) { + c1 = odp_cpu_cycles(); + odp_time_wait_ns(100 * ODP_TIME_MSEC_IN_NS + i); + c2 = odp_cpu_cycles(); + + diff = odp_cpu_cycles_diff(c2, c1); + rest = diff % res; + CU_ASSERT(rest == 0); + + rest = c1 % res; + CU_ASSERT(rest == 0); + + rest = c2 % res; + CU_ASSERT(rest == 0); + } +} + void system_test_odp_sys_cache_line_size(void) { uint64_t cache_size; @@ -91,6 +205,10 @@ odp_testinfo_t system_suite[] = { ODP_TEST_INFO(system_test_odp_sys_page_size), ODP_TEST_INFO(system_test_odp_sys_huge_page_size), ODP_TEST_INFO(system_test_odp_sys_cpu_hz), + ODP_TEST_INFO(system_test_odp_cpu_cycles), + ODP_TEST_INFO(system_test_odp_cpu_cycles_max), + ODP_TEST_INFO(system_test_odp_cpu_cycles_diff), + ODP_TEST_INFO(system_test_odp_cpu_cycles_resolution), ODP_TEST_INFO_NULL, }; diff --git a/test/validation/system/system.h b/test/validation/system/system.h index 869aaff..0c263f2 100644 --- a/test/validation/system/system.h +++ b/test/validation/system/system.h @@ -17,6 +17,10 @@ void system_test_odp_sys_cpu_model_str(void); void system_test_odp_sys_page_size(void); void system_test_odp_sys_huge_page_size(void); void system_test_odp_sys_cpu_hz(void); +void system_test_odp_cpu_cycles_max(void); +void system_test_odp_cpu_cycles(void); +void system_test_odp_cpu_cycles_diff(void); +void system_test_odp_cpu_cycles_resolution(void); /* test arrays: */ extern odp_testinfo_t system_suite[];
-- Regards, Ivan Khoronzhuk _______________________________________________ lng-odp mailing list lng-odp@lists.linaro.org https://lists.linaro.org/mailman/listinfo/lng-odp
