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examples/ip_pipeline: add application thread

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Application thread runs pipelines on assigned cores.

Signed-off-by: Maciej Gajdzica <maciejx.t.gajdzica@intel.com>
Acked-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
This commit is contained in:
Maciej Gajdzica 2015-07-07 10:09:30 +02:00 committed by Thomas Monjalon
parent ea0908c4ab
commit 2c2b14bfa0
3 changed files with 117 additions and 0 deletions
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1
examples/ip_pipeline/Makefile
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@ -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

6
examples/ip_pipeline/main.c
View File

@ -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;
}

110
examples/ip_pipeline/thread.c Normal file
View File

@ -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 <rte_common.h>
#include <rte_cycles.h>
#include <rte_pipeline.h>
#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;
}