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app/flow-perf: report first flow latency

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Starting from this commit the app will always
report the first flow latency.

This is useful in debugging to check the first
flow insertion before any caching effect.

Signed-off-by: Wisam Jaddo <wisamm@nvidia.com>
Acked-by: Alexander Kozyrev <akozyrev@nvidia.com>
This commit is contained in:
Wisam Jaddo 2021-03-14 11:54:26 +02:00 committed by Thomas Monjalon
parent f2cb939365
commit 96923debef
1 changed files with 11 additions and 0 deletions
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11
app/test-flow-perf/main.c
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@ -1140,6 +1140,7 @@ insert_flows(int port_id, uint8_t core_id)
struct rte_flow **flows_list;
struct rte_flow_error error;
clock_t start_batch, end_batch;
double first_flow_latency;
double cpu_time_used;
double insertion_rate;
double cpu_time_per_batch[MAX_BATCHES_COUNT] = { 0 };
@ -1198,6 +1199,16 @@ insert_flows(int port_id, uint8_t core_id)
encap_data, decap_data,
core_id, unique_data, &error);
if (!counter) {
first_flow_latency = (double) (rte_get_timer_cycles() - start_batch);
first_flow_latency /= rte_get_timer_hz();
/* In millisecond */
first_flow_latency *= 1000;
printf(":: First Flow Latency :: Port %d :: First flow "
"installed in %f milliseconds\n",
port_id, first_flow_latency);
}
if (force_quit)
counter = end_counter;