From d4c003f5049e459f59b4c669a7b2b880b91b62b4 Mon Sep 17 00:00:00 2001
From: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
Date: Tue, 16 Jan 2018 23:16:00 +0530
Subject: [PATCH] app/eventdev: launch pipeline lcores

The event master lcore's test termination and the logic to print the mpps
are common for the queue and all types queue test.

Move them as the common function.

Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
Acked-by: Harry van Haaren <harry.van.haaren@intel.com>
---
 app/test-eventdev/test_pipeline_common.c | 67 ++++++++++++++++++++++++
 app/test-eventdev/test_pipeline_common.h |  2 +
 2 files changed, 69 insertions(+)

diff --git a/app/test-eventdev/test_pipeline_common.c b/app/test-eventdev/test_pipeline_common.c
index 98df423ae9..6cad9357b8 100644
--- a/app/test-eventdev/test_pipeline_common.c
+++ b/app/test-eventdev/test_pipeline_common.c
@@ -90,6 +90,73 @@ pipeline_opt_dump(struct evt_options *opt, uint8_t nb_queues)
 	evt_dump_producer_type(opt);
 }
 
+static inline uint64_t
+processed_pkts(struct test_pipeline *t)
+{
+	uint8_t i;
+	uint64_t total = 0;
+
+	rte_smp_rmb();
+	if (t->mt_unsafe)
+		total = t->tx_service.processed_pkts;
+	else
+		for (i = 0; i < t->nb_workers; i++)
+			total += t->worker[i].processed_pkts;
+
+	return total;
+}
+
+int
+pipeline_launch_lcores(struct evt_test *test, struct evt_options *opt,
+		int (*worker)(void *))
+{
+	int ret, lcore_id;
+	struct test_pipeline *t = evt_test_priv(test);
+
+	int port_idx = 0;
+	/* launch workers */
+	RTE_LCORE_FOREACH_SLAVE(lcore_id) {
+		if (!(opt->wlcores[lcore_id]))
+			continue;
+
+		ret = rte_eal_remote_launch(worker,
+				 &t->worker[port_idx], lcore_id);
+		if (ret) {
+			evt_err("failed to launch worker %d", lcore_id);
+			return ret;
+		}
+		port_idx++;
+	}
+
+	uint64_t perf_cycles = rte_get_timer_cycles();
+	const uint64_t perf_sample = rte_get_timer_hz();
+
+	static float total_mpps;
+	static uint64_t samples;
+
+	uint64_t prev_pkts = 0;
+
+	while (t->done == false) {
+		const uint64_t new_cycles = rte_get_timer_cycles();
+
+		if ((new_cycles - perf_cycles) > perf_sample) {
+			const uint64_t curr_pkts = processed_pkts(t);
+
+			float mpps = (float)(curr_pkts - prev_pkts)/1000000;
+
+			prev_pkts = curr_pkts;
+			perf_cycles = new_cycles;
+			total_mpps += mpps;
+			++samples;
+			printf(CLGRN"\r%.3f mpps avg %.3f mpps"CLNRM,
+					mpps, total_mpps/samples);
+			fflush(stdout);
+		}
+	}
+	printf("\n");
+	return 0;
+}
+
 int
 pipeline_opt_check(struct evt_options *opt, uint64_t nb_queues)
 {
diff --git a/app/test-eventdev/test_pipeline_common.h b/app/test-eventdev/test_pipeline_common.h
index b8124864be..b6923f3bef 100644
--- a/app/test-eventdev/test_pipeline_common.h
+++ b/app/test-eventdev/test_pipeline_common.h
@@ -84,6 +84,8 @@ int pipeline_mempool_setup(struct evt_test *test, struct evt_options *opt);
 int pipeline_event_port_setup(struct evt_test *test, struct evt_options *opt,
 		uint8_t *queue_arr, uint8_t nb_queues,
 		const struct rte_event_port_conf p_conf);
+int pipeline_launch_lcores(struct evt_test *test, struct evt_options *opt,
+		int (*worker)(void *));
 void pipeline_opt_dump(struct evt_options *opt, uint8_t nb_queues);
 void pipeline_test_destroy(struct evt_test *test, struct evt_options *opt);
 void pipeline_eventdev_destroy(struct evt_test *test, struct evt_options *opt);