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From: Dharmik Thakkar <Dharmik.Thakkar@arm.com>
To: "Medvedkin, Vladimir" <vladimir.medvedkin@intel.com>
Cc: Bruce Richardson <bruce.richardson@intel.com>,
	"dev@dpdk.org" <dev@dpdk.org>, nd <nd@arm.com>
Subject: Re: [dpdk-dev] [PATCH 4/4] test/lpm: avoid code duplication in rcu qsbr perf
Date: Mon, 2 Nov 2020 22:11:57 +0000
Message-ID: <374AEEB6-ADF8-4960-BB64-CBD6046F5379@arm.com> (raw)
In-Reply-To: <60004746-5cdb-9f03-5392-ce43793280b6@intel.com>


> On Nov 2, 2020, at 11:17 AM, Medvedkin, Vladimir <vladimir.medvedkin@intel.com> wrote:
> 
> Hi Dharmik,
> 
> Thanks for the patches, see comments inlined
> 
> 
> On 29/10/2020 15:36, Dharmik Thakkar wrote:
>> Avoid code duplication by combining single and multi threaded tests
>> Signed-off-by: Dharmik Thakkar<dharmik.thakkar@arm.com>
>> Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
>> ---
>>  app/test/test_lpm_perf.c | 338 +++++++++------------------------------
>>  1 file changed, 73 insertions(+), 265 deletions(-)
>> diff --git a/app/test/test_lpm_perf.c b/app/test/test_lpm_perf.c
>> index 4f15db4f85ee..08312023b661 100644
>> --- a/app/test/test_lpm_perf.c
>> +++ b/app/test/test_lpm_perf.c
>> @@ -430,11 +430,16 @@ test_lpm_rcu_qsbr_writer(void *arg)
>>  {
>>  	unsigned int i, j, si, ei;
>>  	uint64_t begin, total_cycles;
>> -	uint8_t core_id = (uint8_t)((uintptr_t)arg);
>> +	uint8_t writer_id = (uint8_t)((uintptr_t)arg);
>>  	uint32_t next_hop_add = 0xAA;
>>  -	/* 2 writer threads are used */
>> -	if (core_id % 2 == 0) {
>> +	/* Single writer (writer_id = 1) */
>> +	if (writer_id == 1) {
> 
> Probably it would be better to use enum here instead of 1/2/3?
> 

Yes, I will update the patch.

>> +		si = 0;
>> +		ei = NUM_LDEPTH_ROUTE_ENTRIES;
>> +	}
>> +	/* 2 Writers (writer_id = 2/3)*/
>> +	else if (writer_id == 2) {
>>  		si = 0;
>>  		ei = NUM_LDEPTH_ROUTE_ENTRIES / 2;
>>  	} else {
>> @@ -482,16 +487,17 @@ test_lpm_rcu_qsbr_writer(void *arg)
>>    /*
>>   * Functional test:
>> - * 2 writers, rest are readers
>> + * 1/2 writers, rest are readers
>>   */
>>  static int
>> -test_lpm_rcu_perf_multi_writer(void)
>> +test_lpm_rcu_perf_multi_writer(uint8_t use_rcu)
>>  {
>>  	struct rte_lpm_config config;
>>  	size_t sz;
>> -	unsigned int i;
>> +	unsigned int i, j;
>>  	uint16_t core_id;
>>  	struct rte_lpm_rcu_config rcu_cfg = {0};
>> +	int (*reader_f)(void *arg) = NULL;
>>    	if (rte_lcore_count() < 3) {
>>  		printf("Not enough cores for lpm_rcu_perf_autotest, expecting at least 3\n");
>> @@ -504,273 +510,76 @@ test_lpm_rcu_perf_multi_writer(void)
>>  		num_cores++;
>>  	}
>>  -	printf("\nPerf test: 2 writers, %d readers, RCU integration enabled\n",
>> -		num_cores - 2);
>> -
>> -	/* Create LPM table */
>> -	config.max_rules = NUM_LDEPTH_ROUTE_ENTRIES;
>> -	config.number_tbl8s = NUM_LDEPTH_ROUTE_ENTRIES;
>> -	config.flags = 0;
>> -	lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
>> -	TEST_LPM_ASSERT(lpm != NULL);
>> -
>> -	/* Init RCU variable */
>> -	sz = rte_rcu_qsbr_get_memsize(num_cores);
>> -	rv = (struct rte_rcu_qsbr *)rte_zmalloc("rcu0", sz,
>> -						RTE_CACHE_LINE_SIZE);
>> -	rte_rcu_qsbr_init(rv, num_cores);
>> -
>> -	rcu_cfg.v = rv;
>> -	/* Assign the RCU variable to LPM */
>> -	if (rte_lpm_rcu_qsbr_add(lpm, &rcu_cfg) != 0) {
>> -		printf("RCU variable assignment failed\n");
>> -		goto error;
>> -	}
>> -
>> -	writer_done = 0;
>> -	__atomic_store_n(&gwrite_cycles, 0, __ATOMIC_RELAXED);
>> -
>> -	__atomic_store_n(&thr_id, 0, __ATOMIC_SEQ_CST);
>> -
>> -	/* Launch reader threads */
>> -	for (i = 2; i < num_cores; i++)
>> -		rte_eal_remote_launch(test_lpm_rcu_qsbr_reader, NULL,
>> -					enabled_core_ids[i]);
>> -
>> -	/* Launch writer threads */
>> -	for (i = 0; i < 2; i++)
>> -		rte_eal_remote_launch(test_lpm_rcu_qsbr_writer,
>> -					(void *)(uintptr_t)i,
>> -					enabled_core_ids[i]);
>> -
>> -	/* Wait for writer threads */
>> -	for (i = 0; i < 2; i++)
>> -		if (rte_eal_wait_lcore(enabled_core_ids[i]) < 0)
>> -			goto error;
>> -
>> -	printf("Total LPM Adds: %d\n", TOTAL_WRITES);
>> -	printf("Total LPM Deletes: %d\n", TOTAL_WRITES);
>> -	printf("Average LPM Add/Del: %"PRIu64" cycles\n",
>> -		__atomic_load_n(&gwrite_cycles, __ATOMIC_RELAXED) / TOTAL_WRITES
>> -		);
>> -
>> -	writer_done = 1;
>> -	/* Wait until all readers have exited */
>> -	for (i = 2; i < num_cores; i++)
>> -		rte_eal_wait_lcore(enabled_core_ids[i]);
>> -
>> -	rte_lpm_free(lpm);
>> -	rte_free(rv);
>> -	lpm = NULL;
>> -	rv = NULL;
>> -
>> -	/* Test without RCU integration */
>> -	printf("\nPerf test: 2 writers, %d readers, RCU integration disabled\n",
>> -		num_cores - 2);
>> -
>> -	/* Create LPM table */
>> -	config.max_rules = NUM_LDEPTH_ROUTE_ENTRIES;
>> -	config.number_tbl8s = NUM_LDEPTH_ROUTE_ENTRIES;
>> -	config.flags = 0;
>> -	lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
>> -	TEST_LPM_ASSERT(lpm != NULL);
>> -
>> -	writer_done = 0;
>> -	__atomic_store_n(&gwrite_cycles, 0, __ATOMIC_RELAXED);
>> -	__atomic_store_n(&thr_id, 0, __ATOMIC_SEQ_CST);
>> -
>> -	/* Launch reader threads */
>> -	for (i = 2; i < num_cores; i++)
>> -		rte_eal_remote_launch(test_lpm_reader, NULL,
>> -					enabled_core_ids[i]);
>> -
>> -	/* Launch writer threads */
>> -	for (i = 0; i < 2; i++)
>> -		rte_eal_remote_launch(test_lpm_rcu_qsbr_writer,
>> -					(void *)(uintptr_t)i,
>> -					enabled_core_ids[i]);
>> -
>> -	/* Wait for writer threads */
>> -	for (i = 0; i < 2; i++)
>> -		if (rte_eal_wait_lcore(enabled_core_ids[i]) < 0)
>> -			goto error;
>> -
>> -	printf("Total LPM Adds: %d\n", TOTAL_WRITES);
>> -	printf("Total LPM Deletes: %d\n", TOTAL_WRITES);
>> -	printf("Average LPM Add/Del: %"PRIu64" cycles\n",
>> -		__atomic_load_n(&gwrite_cycles, __ATOMIC_RELAXED)
>> -		/ TOTAL_WRITES);
>> -
>> -	writer_done = 1;
>> -	/* Wait until all readers have exited */
>> -	for (i = 2; i < num_cores; i++)
>> -		rte_eal_wait_lcore(enabled_core_ids[i]);
>> -
>> -	rte_lpm_free(lpm);
>> -
>> -	return 0;
>> -
>> -error:
>> -	writer_done = 1;
>> -	/* Wait until all readers have exited */
>> -	rte_eal_mp_wait_lcore();
>> -
>> -	rte_lpm_free(lpm);
>> -	rte_free(rv);
>> -
>> -	return -1;
>> -}
>> -
>> -/*
>> - * Functional test:
>> - * Single writer, rest are readers
>> - */
>> -static int
>> -test_lpm_rcu_perf(void)
>> -{
>> -	struct rte_lpm_config config;
>> -	uint64_t begin, total_cycles;
>> -	size_t sz;
>> -	unsigned int i, j;
>> -	uint16_t core_id;
>> -	uint32_t next_hop_add = 0xAA;
>> -	struct rte_lpm_rcu_config rcu_cfg = {0};
>> -
>> -	if (rte_lcore_count() < 2) {
>> -		printf("Not enough cores for lpm_rcu_perf_autotest, expecting at least 2\n");
>> -		return TEST_SKIPPED;
>> -	}
>> -
>> -	num_cores = 0;
>> -	RTE_LCORE_FOREACH_WORKER(core_id) {
>> -		enabled_core_ids[num_cores] = core_id;
>> -		num_cores++;
>> -	}
>> -
>> -	printf("\nPerf test: 1 writer, %d readers, RCU integration enabled\n",
>> -		num_cores);
>> -
>> -	/* Create LPM table */
>> -	config.max_rules = NUM_LDEPTH_ROUTE_ENTRIES;
>> -	config.number_tbl8s = NUM_LDEPTH_ROUTE_ENTRIES;
>> -	config.flags = 0;
>> -	lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
>> -	TEST_LPM_ASSERT(lpm != NULL);
>> -
>> -	/* Init RCU variable */
>> -	sz = rte_rcu_qsbr_get_memsize(num_cores);
>> -	rv = (struct rte_rcu_qsbr *)rte_zmalloc("rcu0", sz,
>> -						RTE_CACHE_LINE_SIZE);
>> -	rte_rcu_qsbr_init(rv, num_cores);
>> -
>> -	rcu_cfg.v = rv;
>> -	/* Assign the RCU variable to LPM */
>> -	if (rte_lpm_rcu_qsbr_add(lpm, &rcu_cfg) != 0) {
>> -		printf("RCU variable assignment failed\n");
>> -		goto error;
>> -	}
>> -
>> -	writer_done = 0;
>> -	__atomic_store_n(&thr_id, 0, __ATOMIC_SEQ_CST);
>> -
>> -	/* Launch reader threads */
>> -	for (i = 0; i < num_cores; i++)
>> -		rte_eal_remote_launch(test_lpm_rcu_qsbr_reader, NULL,
>> -					enabled_core_ids[i]);
>> -
>> -	/* Measure add/delete. */
>> -	begin = rte_rdtsc_precise();
>> -	for (i = 0; i < RCU_ITERATIONS; i++) {
>> -		/* Add all the entries */
>> -		for (j = 0; j < NUM_LDEPTH_ROUTE_ENTRIES; j++)
>> -			if (rte_lpm_add(lpm, large_ldepth_route_table[j].ip,
>> -					large_ldepth_route_table[j].depth,
>> -					next_hop_add) != 0) {
>> -				printf("Failed to add iteration %d, route# %d\n",
>> -					i, j);
>> +	for (j = 1; j < 3; j++) {
>> +		if (use_rcu)
>> +			printf("\nPerf test: %d writer(s), %d reader(s),"
>> +			       " RCU integration enabled\n", j, num_cores - j);
>> +		else
>> +			printf("\nPerf test: %d writer(s), %d reader(s),"
>> +			       " RCU integration disabled\n", j, num_cores - j);
>> +
>> +		/* Create LPM table */
>> +		config.max_rules = NUM_LDEPTH_ROUTE_ENTRIES;
>> +		config.number_tbl8s = NUM_LDEPTH_ROUTE_ENTRIES;
>> +		config.flags = 0;
>> +		lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
>> +		TEST_LPM_ASSERT(lpm != NULL);
>> +
>> +		/* Init RCU variable */
>> +		if (use_rcu) {
>> +			sz = rte_rcu_qsbr_get_memsize(num_cores);
>> +			rv = (struct rte_rcu_qsbr *)rte_zmalloc("rcu0", sz,
>> +							RTE_CACHE_LINE_SIZE);
>> +			rte_rcu_qsbr_init(rv, num_cores);
>> +
>> +			rcu_cfg.v = rv;
>> +			/* Assign the RCU variable to LPM */
>> +			if (rte_lpm_rcu_qsbr_add(lpm, &rcu_cfg) != 0) {
>> +				printf("RCU variable assignment failed\n");
>>  				goto error;
>>  			}
>>  -		/* Delete all the entries */
>> -		for (j = 0; j < NUM_LDEPTH_ROUTE_ENTRIES; j++)
>> -			if (rte_lpm_delete(lpm, large_ldepth_route_table[j].ip,
>> -				large_ldepth_route_table[j].depth) != 0) {
>> -				printf("Failed to delete iteration %d, route# %d\n",
>> -					i, j);
>> -				goto error;
>> -			}
>> -	}
>> -	total_cycles = rte_rdtsc_precise() - begin;
>> +			reader_f = test_lpm_rcu_qsbr_reader;
>> +		} else
>> +			reader_f = test_lpm_reader;
>>  -	printf("Total LPM Adds: %d\n", TOTAL_WRITES);
>> -	printf("Total LPM Deletes: %d\n", TOTAL_WRITES);
>> -	printf("Average LPM Add/Del: %g cycles\n",
>> -		(double)total_cycles / TOTAL_WRITES);
>> +		writer_done = 0;
>> +		__atomic_store_n(&gwrite_cycles, 0, __ATOMIC_RELAXED);
>>  -	writer_done = 1;
>> -	/* Wait until all readers have exited */
>> -	for (i = 0; i < num_cores; i++)
>> -		if (rte_eal_wait_lcore(enabled_core_ids[i]);
>> +		__atomic_store_n(&thr_id, 0, __ATOMIC_SEQ_CST);
>>  -	rte_lpm_free(lpm);
>> -	rte_free(rv);
>> -	lpm = NULL;
>> -	rv = NULL;
>> +		/* Launch reader threads */
>> +		for (i = j; i < num_cores; i++)
>> +			rte_eal_remote_launch(reader_f, NULL,
>> +						enabled_core_ids[i]);
>>  -	/* Test without RCU integration */
>> -	printf("\nPerf test: 1 writer, %d readers, RCU integration disabled\n",
>> -		num_cores);
>> +		/* Launch writer threads */
>> +		for (i = 0; i < j; i++)
>> +			rte_eal_remote_launch(test_lpm_rcu_qsbr_writer,
> 
> So now even single writer will acquire a lock for every _add/_delete operation. I don't think it is necessary.

Yes, agreed it is not necessary. I wanted to avoid additional if () statement, but I can add it in the new version.

> 
>> +						(void *)(uintptr_t)(i + j),
>> +						enabled_core_ids[i]);
>>  -	/* Create LPM table */
>> -	config.max_rules = NUM_LDEPTH_ROUTE_ENTRIES;
>> -	config.number_tbl8s = NUM_LDEPTH_ROUTE_ENTRIES;
>> -	config.flags = 0;
>> -	lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
>> -	TEST_LPM_ASSERT(lpm != NULL);
>> -
>> -	writer_done = 0;
>> -	__atomic_store_n(&thr_id, 0, __ATOMIC_SEQ_CST);
>> -
>> -	/* Launch reader threads */
>> -	for (i = 0; i < num_cores; i++)
>> -		rte_eal_remote_launch(test_lpm_reader, NULL,
>> -					enabled_core_ids[i]);
>> -
>> -	/* Measure add/delete. */
>> -	begin = rte_rdtsc_precise();
>> -	for (i = 0; i < RCU_ITERATIONS; i++) {
>> -		/* Add all the entries */
>> -		for (j = 0; j < NUM_LDEPTH_ROUTE_ENTRIES; j++)
>> -			if (rte_lpm_add(lpm, large_ldepth_route_table[j].ip,
>> -					large_ldepth_route_table[j].depth,
>> -					next_hop_add) != 0) {
>> -				printf("Failed to add iteration %d, route# %d\n",
>> -					i, j);
>> +		/* Wait for writer threads */
>> +		for (i = 0; i < j; i++)
>> +			if (rte_eal_wait_lcore(enabled_core_ids[i]) < 0)
>>  				goto error;
>> -			}
>>  -		/* Delete all the entries */
>> -		for (j = 0; j < NUM_LDEPTH_ROUTE_ENTRIES; j++)
>> -			if (rte_lpm_delete(lpm, large_ldepth_route_table[j].ip,
>> -				large_ldepth_route_table[j].depth) != 0) {
>> -				printf("Failed to delete iteration %d, route# %d\n",
>> -					i, j);
>> -				goto error;
>> -			}
>> +		printf("Total LPM Adds: %d\n", TOTAL_WRITES);
>> +		printf("Total LPM Deletes: %d\n", TOTAL_WRITES);
>> +		printf("Average LPM Add/Del: %"PRIu64" cycles\n",
>> +			__atomic_load_n(&gwrite_cycles, __ATOMIC_RELAXED)
>> +			/ TOTAL_WRITES);
>> +
>> +		writer_done = 1;
>> +		/* Wait until all readers have exited */
>> +		for (i = j; i < num_cores; i++)
>> +			rte_eal_wait_lcore(enabled_core_ids[i]);
>> +
>> +		rte_lpm_free(lpm);
>> +		rte_free(rv);
>> +		lpm = NULL;
>> +		rv = NULL;
>>  	}
>> -	total_cycles = rte_rdtsc_precise() - begin;
>> -
>> -	printf("Total LPM Adds: %d\n", TOTAL_WRITES);
>> -	printf("Total LPM Deletes: %d\n", TOTAL_WRITES);
>> -	printf("Average LPM Add/Del: %g cycles\n",
>> -		(double)total_cycles / TOTAL_WRITES);
>> -
>> -	writer_done = 1;
>> -	/* Wait until all readers have exited */
>> -	for (i = 0; i < num_cores; i++)
>> -		rte_eal_wait_lcore(enabled_core_ids[i]);
>> -
>> -	rte_lpm_free(lpm);
>>    	return 0;
>>  @@ -946,9 +755,8 @@ test_lpm_perf(void)
>>  	rte_lpm_delete_all(lpm);
>>  	rte_lpm_free(lpm);
>>  -	test_lpm_rcu_perf();
>> -
>> -	test_lpm_rcu_perf_multi_writer();
>> +	test_lpm_rcu_perf_multi_writer(0);
>> +	test_lpm_rcu_perf_multi_writer(1);
>>    	return 0;
>>  }
> 
> -- 
> Regards,
> Vladimir


  reply	other threads:[~2020-11-02 22:12 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-29 15:36 [dpdk-dev] [PATCH 1/4] test/lpm: fix cycle calculation " Dharmik Thakkar
2020-10-29 15:36 ` [dpdk-dev] [PATCH 2/4] test/lpm: return error on failure " Dharmik Thakkar
2020-10-29 15:36 ` [dpdk-dev] [PATCH 3/4] test/lpm: remove error checking " Dharmik Thakkar
2020-10-29 15:36 ` [dpdk-dev] [PATCH 4/4] test/lpm: avoid code duplication " Dharmik Thakkar
2020-11-02 17:17   ` Medvedkin, Vladimir
2020-11-02 22:11     ` Dharmik Thakkar [this message]
2020-11-02 10:08 ` [dpdk-dev] [PATCH 1/4] test/lpm: fix cycle calculation " David Marchand
2020-11-02 15:11 ` Bruce Richardson
2020-11-02 16:58   ` Dharmik Thakkar
2020-11-02 17:21     ` Medvedkin, Vladimir
2020-11-02 17:33     ` Bruce Richardson
2020-11-02 23:51 ` [dpdk-dev] [PATCH v2 0/4] test/lpm: fix rcu qsbr perf test Dharmik Thakkar
2020-11-02 23:52   ` [dpdk-dev] [PATCH v2 1/4] test/lpm: fix cycle calculation in rcu qsbr perf Dharmik Thakkar
2020-11-03  1:30     ` Honnappa Nagarahalli
2020-11-02 23:52   ` [dpdk-dev] [PATCH v2 2/4] test/lpm: return error on failure " Dharmik Thakkar
2020-11-03  1:28     ` Honnappa Nagarahalli
2020-11-03  4:42       ` Dharmik Thakkar
2020-11-02 23:52   ` [dpdk-dev] [PATCH v2 3/4] test/lpm: remove error checking " Dharmik Thakkar
2020-11-03  1:21     ` Honnappa Nagarahalli
2020-11-03  4:56       ` Dharmik Thakkar
2020-11-02 23:52   ` [dpdk-dev] [PATCH v2 4/4] test/lpm: avoid code duplication " Dharmik Thakkar
2020-11-03  4:21     ` Honnappa Nagarahalli
2020-11-03  4:33       ` Dharmik Thakkar
2020-11-03  5:32         ` Honnappa Nagarahalli
2020-11-03 14:03           ` Dharmik Thakkar
2020-11-03 14:51             ` Honnappa Nagarahalli
2020-11-03 18:01             ` Medvedkin, Vladimir
2020-11-03  5:12   ` [dpdk-dev] [PATCH v3 0/4] test/lpm: fix rcu qsbr perf test Dharmik Thakkar
2020-11-03  5:12     ` [dpdk-dev] [PATCH v3 1/4] test/lpm: fix cycle calculation in rcu qsbr perf Dharmik Thakkar
2020-11-03  5:12     ` [dpdk-dev] [PATCH v3 2/4] test/lpm: return error on failure " Dharmik Thakkar
2020-11-03  5:21       ` Honnappa Nagarahalli
2020-11-03  5:12     ` [dpdk-dev] [PATCH v3 3/4] test/lpm: remove error checking " Dharmik Thakkar
2020-11-03  5:22       ` Honnappa Nagarahalli
2020-11-03  5:12     ` [dpdk-dev] [PATCH v3 4/4] test/lpm: avoid code duplication " Dharmik Thakkar
2020-11-03 22:23     ` [dpdk-dev] [PATCH v4 0/4] test/lpm: fix rcu qsbr perf test Dharmik Thakkar
2020-11-03 22:23       ` [dpdk-dev] [PATCH v4 1/4] test/lpm: fix cycle calculation in rcu qsbr perf Dharmik Thakkar
2020-11-03 22:23       ` [dpdk-dev] [PATCH v4 2/4] test/lpm: return error on failure " Dharmik Thakkar
2020-11-03 22:23       ` [dpdk-dev] [PATCH v4 3/4] test/lpm: remove error checking " Dharmik Thakkar
2020-11-03 22:23       ` [dpdk-dev] [PATCH v4 4/4] test/lpm: avoid code duplication " Dharmik Thakkar
2020-11-03 22:35         ` Honnappa Nagarahalli
2020-11-04 15:46         ` Medvedkin, Vladimir
2020-11-04 16:49           ` Dharmik Thakkar
2020-11-04 18:58       ` [dpdk-dev] [PATCH v5 0/4] test/lpm: fix rcu qsbr perf test Dharmik Thakkar
2020-11-04 18:58         ` [dpdk-dev] [PATCH v5 1/4] test/lpm: fix cycle calculation in rcu qsbr perf Dharmik Thakkar
2020-11-04 19:34           ` Medvedkin, Vladimir
2020-11-04 18:58         ` [dpdk-dev] [PATCH v5 2/4] test/lpm: return error on failure " Dharmik Thakkar
2020-11-04 19:35           ` Medvedkin, Vladimir
2020-11-04 18:58         ` [dpdk-dev] [PATCH v5 3/4] test/lpm: remove error checking " Dharmik Thakkar
2020-11-04 19:35           ` Medvedkin, Vladimir
2020-11-04 18:58         ` [dpdk-dev] [PATCH v5 4/4] test/lpm: avoid code duplication " Dharmik Thakkar
2020-11-04 19:35           ` Medvedkin, Vladimir
2020-11-05 15:58         ` [dpdk-dev] [PATCH v5 0/4] test/lpm: fix rcu qsbr perf test David Marchand

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