[dpdk-dev] [PATCH v1 5/6] app/regex: support performance measurements per QP

[Ophir Munk]

Up to this commit measuring the parsing elapsed time and Giga bits per
second performance was done on the aggregation of all QPs (per core).
This commit seperates the time measurements per individual QP.

Signed-off-by: Ophir Munk <ophirmu at nvidia.com>
---
 app/test-regex/main.c | 33 ++++++++++++++++++++++-----------
 1 file changed, 22 insertions(+), 11 deletions(-)

diff --git a/app/test-regex/main.c b/app/test-regex/main.c
index 720eb1c..f305186 100644
--- a/app/test-regex/main.c
+++ b/app/test-regex/main.c
@@ -48,6 +48,8 @@ struct qp_params {
 	struct rte_regex_ops **ops;
 	struct job_ctx *jobs_ctx;
 	char *buf;
+	time_t start;
+	time_t end;
 };
 
 struct qps_per_lcore {
@@ -324,8 +326,6 @@ run_regex(void *args)
 	unsigned long d_ind = 0;
 	struct rte_mbuf_ext_shared_info shinfo;
 	int res = 0;
-	time_t start;
-	time_t end;
 	double time;
 	struct rte_mempool *mbuf_mp;
 	struct qp_params *qp;
@@ -418,9 +418,10 @@ run_regex(void *args)
 
 		qp->buf = buf;
 		qp->total_matches = 0;
+		qp->start = 0;
+		qp->end = 0;
 	}
 
-	start = clock();
 	for (i = 0; i < nb_iterations; i++) {
 		for (qp_id = 0; qp_id < nb_qps; qp_id++) {
 			qp = &qps[qp_id];
@@ -431,6 +432,8 @@ run_regex(void *args)
 			update = false;
 			for (qp_id = 0; qp_id < nb_qps; qp_id++) {
 				qp = &qps[qp_id];
+				if (!qp->start)
+					qp->start = clock();
 				if (qp->total_dequeue < actual_jobs) {
 					struct rte_regex_ops **
 						cur_ops_to_enqueue = qp->ops +
@@ -461,22 +464,30 @@ run_regex(void *args)
 							qp->total_enqueue -
 							qp->total_dequeue);
 					update = true;
+				} else {
+					if (!qp->end)
+						qp->end = clock();
 				}
+
 			}
 		} while (update);
 	}
-	end = clock();
-	time = ((double)end - start) / CLOCKS_PER_SEC;
-	printf("Job len = %ld Bytes\n",  job_len);
-	printf("Time = %lf sec\n",  time);
-	printf("Perf = %lf Gbps\n",
-	       (((double)actual_jobs * job_len * nb_iterations * 8) / time) /
-		1000000000.0);
+	for (qp_id = 0; qp_id < nb_qps; qp_id++) {
+		time = ((double)qp->end - qp->start) / CLOCKS_PER_SEC;
+		printf("Core=%u QP=%u\n", rte_lcore_id(), qp_id + qp_id_base);
+		printf("Job len = %ld Bytes\n",  job_len);
+		printf("Time = %lf sec\n",  time);
+		printf("Perf = %lf Gbps\n\n",
+				(((double)actual_jobs * job_len *
+				nb_iterations * 8) / time) /
+				1000000000.0);
+	}
 
 	if (rgxc->perf_mode)
 		goto end;
 	for (qp_id = 0; qp_id < nb_qps; qp_id++) {
-		printf("\n############ QP id=%u ############\n", qp_id);
+		printf("\n############ Core=%u QP=%u ############\n",
+		       rte_lcore_id(), qp_id + qp_id_base);
 		qp = &qps[qp_id];
 		/* Log results per job. */
 		for (d_ind = 0; d_ind < qp->total_dequeue; d_ind++) {
-- 
2.8.4