On 10/26/20 9:04 AM, Chautru, Nicolas wrote:
>> From: Tom Rix <t...@redhat.com>
>> Sent: Monday, October 26, 2020 6:33 AM
>> To: Chautru, Nicolas <nicolas.chau...@intel.com>; dev@dpdk.org;
>> akhil.go...@nxp.com
>> Cc: david.march...@redhat.com
>> Subject: Re: [PATCH v5 4/7] app/bbdev: define wait for offload
>>
>>
>> On 10/23/20 4:42 PM, Nicolas Chautru wrote:
>>> Replacing magic number for default wait time for hw offload.
>>>
>>> Signed-off-by: Nicolas Chautru <nicolas.chau...@intel.com>
>>> Acked-by: Liu Tianjiao <tianjiao....@intel.com>
>>> ---
>>>  app/test-bbdev/test_bbdev_perf.c | 9 +++++----
>>>  1 file changed, 5 insertions(+), 4 deletions(-)
>>>
>>> diff --git a/app/test-bbdev/test_bbdev_perf.c
>>> b/app/test-bbdev/test_bbdev_perf.c
>>> index f30cbdb..39f06db 100644
>>> --- a/app/test-bbdev/test_bbdev_perf.c
>>> +++ b/app/test-bbdev/test_bbdev_perf.c
>>> @@ -25,6 +25,7 @@
>>>
>>>  #define MAX_QUEUES RTE_MAX_LCORE
>>>  #define TEST_REPETITIONS 1000
>>> +#define WAIT_OFFLOAD_US 1000
>> Why wasn't 200 used ?
>>
>> Tom
> 1ms is a more typical expectation for workload (TTI in numerology 0 for 5GNR 
> and LTE). 

That's fine, i was only commenting because it changed.

Tom

>
>
>>>  #ifdef RTE_LIBRTE_PMD_BBDEV_FPGA_LTE_FEC  #include
>> <fpga_lte_fec.h>
>>> @@ -4451,7 +4452,7 @@ typedef int (test_case_function)(struct
>> active_device *ad,
>>>             time_st->enq_acc_total_time += stats.acc_offload_cycles;
>>>
>>>             /* give time for device to process ops */
>>> -           rte_delay_us(200);
>>> +           rte_delay_us(WAIT_OFFLOAD_US);
>>>
>>>             /* Start time meas for dequeue function offload latency */
>>>             deq_start_time = rte_rdtsc_precise(); @@ -4542,7 +4543,7
>> @@ typedef
>>> int (test_case_function)(struct active_device *ad,
>>>             time_st->enq_acc_total_time += stats.acc_offload_cycles;
>>>
>>>             /* give time for device to process ops */
>>> -           rte_delay_us(200);
>>> +           rte_delay_us(WAIT_OFFLOAD_US);
>>>
>>>             /* Start time meas for dequeue function offload latency */
>>>             deq_start_time = rte_rdtsc_precise(); @@ -4630,7 +4631,7
>> @@ typedef
>>> int (test_case_function)(struct active_device *ad,
>>>             time_st->enq_acc_total_time += stats.acc_offload_cycles;
>>>
>>>             /* give time for device to process ops */
>>> -           rte_delay_us(200);
>>> +           rte_delay_us(WAIT_OFFLOAD_US);
>>>
>>>             /* Start time meas for dequeue function offload latency */
>>>             deq_start_time = rte_rdtsc_precise(); @@ -4713,7 +4714,7
>> @@ typedef
>>> int (test_case_function)(struct active_device *ad,
>>>             time_st->enq_acc_total_time += stats.acc_offload_cycles;
>>>
>>>             /* give time for device to process ops */
>>> -           rte_delay_us(200);
>>> +           rte_delay_us(WAIT_OFFLOAD_US);
>>>
>>>             /* Start time meas for dequeue function offload latency */
>>>             deq_start_time = rte_rdtsc_precise();

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