Stuart, please find my run bellow. On my machine warm up did not help:
5773 pps, 5773 max pps, 0 rx drops, 0 tx drops
1746 pps, 5773 max pps, 0 rx drops, 0 tx drops
1127 pps, 5773 max pps, 0 rx drops, 0 tx drops
832 pps, 5773 max pps, 0 rx drops, 0 tx drops
2579 pps, 5773 max pps, 0 rx drops, 0 tx drops
424 pps, 5773 max pps, 0 rx drops, 0 tx drops
1001 pps, 5773 max pps, 0 rx drops, 0 tx drops
1652 pps, 5773 max pps, 0 rx drops, 0 tx drops
1367 pps, 5773 max pps, 0 rx drops, 0 tx drops
1744 pps, 5773 max pps, 0 rx drops, 0 tx drops
810 pps, 5773 max pps, 0 rx drops, 0 tx drops
2113 pps, 5773 max pps, 0 rx drops, 0 tx drops
2910 pps, 5773 max pps, 0 rx drops, 0 tx drops
2648 pps, 5773 max pps, 0 rx drops, 0 tx drops
1421 pps, 5773 max pps, 0 rx drops, 0 tx drops
2548 pps, 5773 max pps, 0 rx drops, 0 tx drops
4021 pps, 5773 max pps, 0 rx drops, 0 tx drops
2112 pps, 5773 max pps, 0 rx drops, 0 tx drops
2085 pps, 5773 max pps, 0 rx drops, 0 tx drops
1103 pps, 5773 max pps, 0 rx drops, 0 tx drops
474 pps, 5773 max pps, 0 rx drops, 0 tx drops
1724 pps, 5773 max pps, 0 rx drops, 0 tx drops
1560 pps, 5773 max pps, 0 rx drops, 0 tx drops
2552 pps, 5773 max pps, 0 rx drops, 0 tx drops
5233 pps, 5773 max pps, 0 rx drops, 0 tx drops
741 pps, 5773 max pps, 0 rx drops, 0 tx drops
829 pps, 5773 max pps, 0 rx drops, 0 tx drops
685 pps, 5773 max pps, 0 rx drops, 0 tx drops
1809 pps, 5773 max pps, 0 rx drops, 0 tx drops
698 pps, 5773 max pps, 0 rx drops, 0 tx drops
TEST RESULT: 5773 maximum packets per second.
On 01/15/2016 18:21, Stuart Haslam wrote:
ping^2
On 11 December 2015 at 16:54, Stuart Haslam <[email protected]> wrote:
ping - needs review.
On 28 October 2015 at 18:45, Stuart Haslam <[email protected]> wrote:
The results from the initial test run are often worse than would
normally be expected due to there being no warm up phase. As a
simple way to warm up run first test stage twice, ignoring the
results of the first run.
Signed-off-by: Stuart Haslam <[email protected]>
---
test/performance/odp_pktio_perf.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/test/performance/odp_pktio_perf.c
b/test/performance/odp_pktio_perf.c
index efd26dc..38d684a 100644
--- a/test/performance/odp_pktio_perf.c
+++ b/test/performance/odp_pktio_perf.c
@@ -134,6 +134,7 @@ typedef struct {
uint64_t pps_curr; /* Current attempted PPS */
uint64_t pps_pass; /* Highest passing PPS */
uint64_t pps_fail; /* Lowest failing PPS */
+ int warmup; /* Warmup stage - ignore results */
} test_status_t;
/* Thread specific arguments */
@@ -647,7 +648,10 @@ static int run_test_single(odp_cpumask_t *thd_mask_tx,
/* wait for receivers */
odph_linux_pthread_join(&thd_tbl[0], num_rx_workers);
- return process_results(expected_tx_cnt, status);
+ if (!status->warmup)
+ return process_results(expected_tx_cnt, status);
+
+ return 1;
}
static int run_test(void)
@@ -659,6 +663,7 @@ static int run_test(void)
.pps_curr = gbl_args->args.pps,
.pps_pass = 0,
.pps_fail = 0,
+ .warmup = 1,
};
if (setup_txrx_masks(&txmask, &rxmask) != 0)
@@ -679,6 +684,10 @@ static int run_test(void)
printf("%s ", gbl_args->args.ifaces[i]);
printf("\n");
+ /* first time just run the test but throw away the results */
+ run_test_single(&txmask, &rxmask, &status);
+ status.warmup = 0;
+
while (ret > 0)
ret = run_test_single(&txmask, &rxmask, &status);
@@ -957,7 +966,6 @@ static void parse_args(int argc, char *argv[], test_args_t
*args)
LOG_ABORT("Failed to alloc iface storage\n");
strcpy(args->if_str, optarg);
-
for (token = strtok(args->if_str, ",");
token != NULL && args->num_ifaces <
MAX_NUM_IFACES;
token = strtok(NULL, ","))
--
2.1.1
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