Use odp_timer_capability() to determine the max timer resolution Signed-off-by: Kevin Wang <kevin.w...@arm.com> --- example/generator/odp_generator.c | 8 +++++++- example/timer/odp_timer_simple.c | 9 ++++++++- example/timer/odp_timer_test.c | 8 ++++++-- test/common_plat/validation/api/timer/timer.c | 28 ++++++++++++++++++--------- 4 files changed, 40 insertions(+), 13 deletions(-)
diff --git a/example/generator/odp_generator.c b/example/generator/odp_generator.c index 9336cec..8f114e6 100644 --- a/example/generator/odp_generator.c +++ b/example/generator/odp_generator.c @@ -32,6 +32,7 @@ #define APPL_MODE_UDP 0 /**< UDP mode */ #define APPL_MODE_PING 1 /**< ping mode */ #define APPL_MODE_RCV 2 /**< receive mode */ +#define MAX(a, b) (((a) > (b)) ? (a) : (b)) /** print appl mode */ #define PRINT_APPL_MODE(x) printf("%s(%i)\n", #x, (x)) @@ -813,6 +814,7 @@ int main(int argc, char *argv[]) interface_t *ifs; odp_instance_t instance; odph_odpthread_params_t thr_params; + odp_timer_capability_t timer_capa; /* Init ODP before calling anything else */ if (odp_init_global(&instance, NULL, NULL)) { @@ -898,7 +900,11 @@ int main(int argc, char *argv[]) odp_pool_print(pool); /* Create timer pool */ - tparams.res_ns = 1 * ODP_TIME_MSEC_IN_NS; + if (odp_timer_capability(ODP_CLOCK_CPU, &timer_capa)) { + EXAMPLE_ERR("Error: get timer capacity failed.\n"); + exit(EXIT_FAILURE); + } + tparams.res_ns = MAX(1 * ODP_TIME_MSEC_IN_NS, timer_capa.max_res); tparams.min_tmo = 0; tparams.max_tmo = 10000 * ODP_TIME_SEC_IN_NS; tparams.num_timers = num_workers; /* One timer per worker */ diff --git a/example/timer/odp_timer_simple.c b/example/timer/odp_timer_simple.c index 70804bb..fa3ff8e 100644 --- a/example/timer/odp_timer_simple.c +++ b/example/timer/odp_timer_simple.c @@ -18,6 +18,8 @@ /* ODP main header */ #include <odp_api.h> +#define MAX(a, b) (((a) > (b)) ? (a) : (b)) + int main(int argc ODP_UNUSED, char *argv[] ODP_UNUSED) { odp_instance_t instance; @@ -35,6 +37,7 @@ int main(int argc ODP_UNUSED, char *argv[] ODP_UNUSED) uint64_t tick; odp_timeout_t tmo; int ret = 0; + odp_timer_capability_t timer_capa; /* * Init ODP app @@ -61,7 +64,11 @@ int main(int argc ODP_UNUSED, char *argv[] ODP_UNUSED) /* * Create pool of timeouts */ - tparams.res_ns = 10 * ODP_TIME_MSEC_IN_NS; + if (odp_timer_capability(ODP_CLOCK_CPU, &timer_capa)) { + ret += 1; + goto err_tp; + } + tparams.res_ns = MAX(10 * ODP_TIME_MSEC_IN_NS, timer_capa.max_res); tparams.min_tmo = 10 * ODP_TIME_MSEC_IN_NS; tparams.max_tmo = 1 * ODP_TIME_SEC_IN_NS; tparams.num_timers = 1; /* One timer per worker */ diff --git a/example/timer/odp_timer_test.c b/example/timer/odp_timer_test.c index 2196b8c..569fd66 100644 --- a/example/timer/odp_timer_test.c +++ b/example/timer/odp_timer_test.c @@ -23,7 +23,7 @@ #define MAX_WORKERS 32 /**< Max worker threads */ #define NUM_TMOS 10000 /**< Number of timers */ #define WAIT_NUM 10 /**< Max tries to rx last tmo per worker */ - +#define MAX(a, b) (((a) > (b)) ? (a) : (b)) /** Test arguments */ typedef struct { @@ -259,6 +259,7 @@ static void parse_args(int argc, char *argv[], test_args_t *args) { int opt; int long_index; + odp_timer_capability_t timer_capa; static const struct option longopts[] = { {"count", required_argument, NULL, 'c'}, @@ -277,8 +278,11 @@ static void parse_args(int argc, char *argv[], test_args_t *args) odph_parse_options(argc, argv, shortopts, longopts); /* defaults */ + odp_timer_capability(ODP_CLOCK_CPU, &timer_capa); + args->cpu_count = 0; /* all CPU's */ - args->resolution_us = 10000; + args->resolution_us = MAX(10000, + timer_capa.max_res / ODP_TIME_USEC_IN_NS); args->min_us = 0; args->max_us = 10000000; args->period_us = 1000000; diff --git a/test/common_plat/validation/api/timer/timer.c b/test/common_plat/validation/api/timer/timer.c index 8813516..fe523d2 100644 --- a/test/common_plat/validation/api/timer/timer.c +++ b/test/common_plat/validation/api/timer/timer.c @@ -20,6 +20,8 @@ #include "test_debug.h" #include "timer.h" +#define MAX(a, b) (((a) > (b)) ? (a) : (b)) + /** @private Timeout range in milliseconds (ms) */ #define RANGE_MS 2000 @@ -149,6 +151,7 @@ void timer_test_odp_timer_cancel(void) odp_timeout_t tmo; odp_timer_set_t rc; uint64_t tick; + odp_timer_capability_t timer_capa; odp_pool_param_init(¶ms); params.type = ODP_POOL_TIMEOUT; @@ -159,7 +162,10 @@ void timer_test_odp_timer_cancel(void) if (pool == ODP_POOL_INVALID) CU_FAIL_FATAL("Timeout pool create failed"); - tparam.res_ns = 100 * ODP_TIME_MSEC_IN_NS; + if (odp_timer_capability(ODP_CLOCK_CPU, &timer_capa)) + CU_FAIL_FATAL("Get timer capability failed") + + tparam.res_ns = MAX(100 * ODP_TIME_MSEC_IN_NS, timer_capa.max_res); tparam.min_tmo = 1 * ODP_TIME_SEC_IN_NS; tparam.max_tmo = 10 * ODP_TIME_SEC_IN_NS; tparam.num_timers = 1; @@ -506,6 +512,7 @@ void timer_test_odp_timer_all(void) uint64_t ns; uint64_t t2; pthrd_arg thrdarg; + odp_timer_capability_t timer_capa; /* Reserve at least one core for running other processes so the timer * test hopefully can run undisturbed and thus get better timing @@ -531,12 +538,15 @@ void timer_test_odp_timer_all(void) #define NAME "timer_pool" #define RES (10 * ODP_TIME_MSEC_IN_NS / 3) -#define MIN (10 * ODP_TIME_MSEC_IN_NS / 3) -#define MAX (1000000 * ODP_TIME_MSEC_IN_NS) +#define MIN_TMO (10 * ODP_TIME_MSEC_IN_NS / 3) +#define MAX_TMO (1000000 * ODP_TIME_MSEC_IN_NS) /* Create a timer pool */ - tparam.res_ns = RES; - tparam.min_tmo = MIN; - tparam.max_tmo = MAX; + if (odp_timer_capability(ODP_CLOCK_CPU, &timer_capa)) + CU_FAIL("Error: get timer capacity failed.\n"); + + tparam.res_ns = MAX(RES, timer_capa.max_res); + tparam.min_tmo = MIN_TMO; + tparam.max_tmo = MAX_TMO; tparam.num_timers = num_workers * NTIMERS; tparam.priv = 0; tparam.clk_src = ODP_CLOCK_CPU; @@ -550,9 +560,9 @@ void timer_test_odp_timer_all(void) if (odp_timer_pool_info(tp, &tpinfo) != 0) CU_FAIL("odp_timer_pool_info"); CU_ASSERT(strcmp(tpinfo.name, NAME) == 0); - CU_ASSERT(tpinfo.param.res_ns == RES); - CU_ASSERT(tpinfo.param.min_tmo == MIN); - CU_ASSERT(tpinfo.param.max_tmo == MAX); + CU_ASSERT(tpinfo.param.res_ns == MAX(RES, timer_capa.max_res)); + CU_ASSERT(tpinfo.param.min_tmo == MIN_TMO); + CU_ASSERT(tpinfo.param.max_tmo == MAX_TMO); CU_ASSERT(strcmp(tpinfo.name, NAME) == 0); LOG_DBG("Timer pool handle: %" PRIu64 "\n", odp_timer_pool_to_u64(tp)); -- 2.7.4