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authorMaciej Gajdzica <maciejx.t.gajdzica@intel.com>2015-07-07 10:09:30 +0200
committerThomas Monjalon <thomas.monjalon@6wind.com>2015-07-09 17:25:46 +0200
commit2c2b14bfa0f6ff41bf23331b88acdf9f3dcd2fe0 (patch)
tree1f20915619d15a74fd2c04292cdf9dad5abea3fa
parentea0908c4ab89fad458deb3fae8d85725cbecafc9 (diff)
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examples/ip_pipeline: add application thread
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>
-rw-r--r--examples/ip_pipeline/Makefile1
-rw-r--r--examples/ip_pipeline/main.c6
-rw-r--r--examples/ip_pipeline/thread.c110
3 files changed, 117 insertions, 0 deletions
diff --git a/examples/ip_pipeline/Makefile b/examples/ip_pipeline/Makefile
index 9ce80a8..f255338 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 ef68c86..862e2f2 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 0000000..b2a8656
--- /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 <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;
+}