From 2c2b14bfa0f6ff41bf23331b88acdf9f3dcd2fe0 Mon Sep 17 00:00:00 2001 From: Maciej Gajdzica Date: Tue, 7 Jul 2015 10:09:30 +0200 Subject: [PATCH] examples/ip_pipeline: add application thread Application thread runs pipelines on assigned cores. Signed-off-by: Maciej Gajdzica Acked-by: Cristian Dumitrescu --- examples/ip_pipeline/Makefile | 1 + examples/ip_pipeline/main.c | 6 ++ examples/ip_pipeline/thread.c | 110 ++++++++++++++++++++++++++++++++++ 3 files changed, 117 insertions(+) create mode 100644 examples/ip_pipeline/thread.c diff --git a/examples/ip_pipeline/Makefile b/examples/ip_pipeline/Makefile index 9ce80a832e..f255338703 100644 --- a/examples/ip_pipeline/Makefile +++ b/examples/ip_pipeline/Makefile @@ -53,6 +53,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += config_parse.c SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += config_parse_tm.c SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += config_check.c SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += init.c +SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += thread.c SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += cpu_core_map.c SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += pipeline_common_be.c diff --git a/examples/ip_pipeline/main.c b/examples/ip_pipeline/main.c index ef68c8627d..862e2f23a5 100644 --- a/examples/ip_pipeline/main.c +++ b/examples/ip_pipeline/main.c @@ -52,5 +52,11 @@ main(int argc, char **argv) /* Init */ app_init(&app); + /* Run-time */ + rte_eal_mp_remote_launch( + app_thread, + (void *) &app, + CALL_MASTER); + return 0; } diff --git a/examples/ip_pipeline/thread.c b/examples/ip_pipeline/thread.c new file mode 100644 index 0000000000..b2a865661b --- /dev/null +++ b/examples/ip_pipeline/thread.c @@ -0,0 +1,110 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2015 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 +#include +#include + +#include "pipeline_common_be.h" +#include "app.h" + +int app_thread(void *arg) +{ + struct app_params *app = (struct app_params *) arg; + uint32_t core_id = rte_lcore_id(), i, j; + struct app_thread_data *t = &app->thread_data[core_id]; + uint32_t n_regular = RTE_MIN(t->n_regular, RTE_DIM(t->regular)); + uint32_t n_custom = RTE_MIN(t->n_custom, RTE_DIM(t->custom)); + + for (i = 0; ; i++) { + /* Run regular pipelines */ + for (j = 0; j < n_regular; j++) { + struct app_thread_pipeline_data *data = &t->regular[j]; + struct pipeline *p = data->be; + + rte_pipeline_run(p->p); + } + + /* Run custom pipelines */ + for (j = 0; j < n_custom; j++) { + struct app_thread_pipeline_data *data = &t->custom[j]; + + data->f_run(data->be); + } + + /* Timer */ + if ((i & 0xF) == 0) { + uint64_t time = rte_get_tsc_cycles(); + uint64_t t_deadline = UINT64_MAX; + + if (time < t->deadline) + continue; + + /* Timer for regular pipelines */ + for (j = 0; j < n_regular; j++) { + struct app_thread_pipeline_data *data = + &t->regular[j]; + uint64_t p_deadline = data->deadline; + + if (p_deadline <= time) { + data->f_timer(data->be); + p_deadline = time + data->timer_period; + data->deadline = p_deadline; + } + + if (p_deadline < t_deadline) + t_deadline = p_deadline; + } + + /* Timer for custom pipelines */ + for (j = 0; j < n_custom; j++) { + struct app_thread_pipeline_data *data = + &t->custom[j]; + uint64_t p_deadline = data->deadline; + + if (p_deadline <= time) { + data->f_timer(data->be); + p_deadline = time + data->timer_period; + data->deadline = p_deadline; + } + + if (p_deadline < t_deadline) + t_deadline = p_deadline; + } + + t->deadline = t_deadline; + } + } + + return 0; +} -- 2.20.1