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From: Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>
To: Feifei Wang <Feifei.Wang2@arm.com>,
	Konstantin Ananyev <konstantin.ananyev@intel.com>,
	Olivier Matz <olivier.matz@6wind.com>,
	Gavin Hu <Gavin.Hu@arm.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>, nd <nd@arm.com>,
	Feifei Wang <Feifei.Wang2@arm.com>,
	"stable@dpdk.org" <stable@dpdk.org>,
	"david.marchand@redhat.com" <david.marchand@redhat.com>,
	Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>,
	nd <nd@arm.com>
Subject: Re: [dpdk-dev] [PATCH v3 5/6] test/ring: fix wrong size used in memcmp
Date: Mon, 14 Sep 2020 04:37:46 +0000
Message-ID: <DBAPR08MB58142C7327A23E8E98EB8CFB98230@DBAPR08MB5814.eurprd08.prod.outlook.com> (raw)
In-Reply-To: <20200911161002.19816-6-feifei.wang2@arm.com>

<snip>

> 
> When using memcmp function to check data, the third param should be the
> size of all elements, rather than the number of the elements.
> 
> Furthermore, do code clean up by moving repeated code inside
> 'test_ring_mem_cmp' function to validate data and print information of
> enqueue/dequeue elements if validation fails.
This patch is fixing 2 things. But only the memcmp issue need to be backported to stable. I would prefer to split this into 2 and mark only the memcmp commit to be backported.

Hi David,
	Do you have a different opinion here?

> 
> Fixes: a9fe152363e2 ("test/ring: add custom element size functional tests")
> Cc: honnappa.nagarahalli@arm.com
> Cc: stable@dpdk.org
> 
> Signed-off-by: Feifei Wang <feifei.wang2@arm.com>
> Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
> Reviewed-by: Phil Yang <phil.yang@arm.com>
> Reviewed-by: Dharmik Thakkar <dharmik.thakkar@arm.com>
> ---
>  app/test/test_ring.c | 59 ++++++++++++++++++++------------------------
>  1 file changed, 27 insertions(+), 32 deletions(-)
> 
> diff --git a/app/test/test_ring.c b/app/test/test_ring.c index
> 811adc523..4a2bd39fc 100644
> --- a/app/test/test_ring.c
> +++ b/app/test/test_ring.c
> @@ -258,6 +258,21 @@ test_ring_mem_init(void *obj, unsigned int count, int
> esize)
>  			((uint32_t *)obj)[i] = i;
>  }
> 
> +static int
> +test_ring_mem_cmp(void *src, void *dst, unsigned int size) {
> +	int ret;
> +
> +	ret = memcmp(src, dst, size);
> +	if (ret) {
> +		rte_hexdump(stdout, "src", src, size);
> +		rte_hexdump(stdout, "dst", dst, size);
> +		printf("data after dequeue is not the same\n");
> +	}
> +
> +	return ret;
> +}
> +
>  static void
>  test_ring_print_test_string(const char *istr, unsigned int api_type, int esize)
> { @@ -383,7 +398,7 @@ test_ring_burst_bulk_tests1(unsigned int test_idx)
>  	struct rte_ring *r;
>  	void **src = NULL, **cur_src = NULL, **dst = NULL, **cur_dst = NULL;
>  	int ret;
> -	unsigned int i, j;
> +	unsigned int i, j, temp_sz;
>  	int rand;
>  	const unsigned int rsz = RING_SIZE - 1;
> 
> @@ -444,7 +459,11 @@ test_ring_burst_bulk_tests1(unsigned int test_idx)
>  			TEST_RING_VERIFY(rte_ring_empty(r));
> 
>  			/* check data */
> -			TEST_RING_VERIFY(memcmp(src, dst, rsz) == 0);
> +			temp_sz = rsz * sizeof(void *);
> +			if (esize[i] != -1)
> +				temp_sz = rsz * esize[i];
> +			TEST_RING_VERIFY(test_ring_mem_cmp(src, dst,
> +						temp_sz) == 0);
>  		}
> 
>  		/* Free memory before test completed */ @@ -538,12 +557,8
> @@ test_ring_burst_bulk_tests2(unsigned int test_idx)
>  		cur_dst = test_ring_inc_ptr(cur_dst, esize[i], MAX_BULK);
> 
>  		/* check data */
> -		if (memcmp(src, dst, cur_dst - dst)) {
> -			rte_hexdump(stdout, "src", src, cur_src - src);
> -			rte_hexdump(stdout, "dst", dst, cur_dst - dst);
> -			printf("data after dequeue is not the same\n");
> +		if (test_ring_mem_cmp(src, dst, RTE_PTR_DIFF(cur_dst, dst)))
>  			goto fail;
> -		}
> 
>  		/* Free memory before test completed */
>  		rte_ring_free(r);
> @@ -614,12 +629,8 @@ test_ring_burst_bulk_tests3(unsigned int test_idx)
>  		}
> 
>  		/* check data */
> -		if (memcmp(src, dst, cur_dst - dst)) {
> -			rte_hexdump(stdout, "src", src, cur_src - src);
> -			rte_hexdump(stdout, "dst", dst, cur_dst - dst);
> -			printf("data after dequeue is not the same\n");
> +		if (test_ring_mem_cmp(src, dst, RTE_PTR_DIFF(cur_dst, dst)))
>  			goto fail;
> -		}
> 
>  		/* Free memory before test completed */
>  		rte_ring_free(r);
> @@ -747,12 +758,8 @@ test_ring_burst_bulk_tests4(unsigned int test_idx)
>  			goto fail;
> 
>  		/* check data */
> -		if (memcmp(src, dst, cur_dst - dst)) {
> -			rte_hexdump(stdout, "src", src, cur_src - src);
> -			rte_hexdump(stdout, "dst", dst, cur_dst - dst);
> -			printf("data after dequeue is not the same\n");
> +		if (test_ring_mem_cmp(src, dst, RTE_PTR_DIFF(cur_dst, dst)))
>  			goto fail;
> -		}
> 
>  		/* Free memory before test completed */
>  		rte_ring_free(r);
> @@ -857,12 +864,8 @@ test_ring_basic_ex(void)
>  		}
> 
>  		/* check data */
> -		if (memcmp(src, dst, cur_src - src)) {
> -			rte_hexdump(stdout, "src", src, cur_src - src);
> -			rte_hexdump(stdout, "dst", dst, cur_dst - dst);
> -			printf("data after dequeue is not the same\n");
> +		if (test_ring_mem_cmp(src, dst, RTE_PTR_DIFF(cur_src, src)))
>  			goto fail_test;
> -		}
> 
>  		/* Following tests use the configured flags to decide
>  		 * SP/SC or MP/MC.
> @@ -909,12 +912,8 @@ test_ring_basic_ex(void)
>  		cur_dst = test_ring_inc_ptr(cur_dst, esize[i], 2);
> 
>  		/* check data */
> -		if (memcmp(src, dst, cur_dst - dst)) {
> -			rte_hexdump(stdout, "src", src, cur_src - src);
> -			rte_hexdump(stdout, "dst", dst, cur_dst - dst);
> -			printf("data after dequeue is not the same\n");
> +		if (test_ring_mem_cmp(src, dst, RTE_PTR_DIFF(cur_dst, dst)))
>  			goto fail_test;
> -		}
> 
>  		rte_ring_free(rp);
>  		rte_free(src);
> @@ -1047,12 +1046,8 @@ test_ring_with_exact_size(void)
>  		}
> 
>  		/* check data */
> -		if (memcmp(src, dst, cur_dst - dst)) {
> -			rte_hexdump(stdout, "src", src, cur_src - src);
> -			rte_hexdump(stdout, "dst", dst, cur_dst - dst);
> -			printf("data after dequeue is not the same\n");
> +		if (test_ring_mem_cmp(src, dst, RTE_PTR_DIFF(cur_dst, dst)))
>  			goto test_fail;
> -		}
> 
>  		rte_free(src_orig);
>  		rte_free(dst_orig);
> --
> 2.17.1


  reply	other threads:[~2020-09-14  4:37 UTC|newest]

Thread overview: 67+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-29  6:31 [dpdk-dev] [PATCH v1 0/2] wrong pointer passed of ring Feifei Wang
2020-07-29  6:31 ` [dpdk-dev] [PATCH v1 1/2] ring: fix the misdescription of the param Feifei Wang
2020-07-29 15:59   ` David Marchand
2020-07-29 16:24     ` Ananyev, Konstantin
2020-07-29 19:34       ` Honnappa Nagarahalli
2020-07-30 10:16     ` [dpdk-dev] 回复: " Feifei Wang
2020-07-31  5:26       ` [dpdk-dev] " Honnappa Nagarahalli
2020-07-29  6:31 ` [dpdk-dev] [PATCH v1 2/2] test/ring: fix wrong param passed to the enqueue APIs Feifei Wang
2020-07-29 13:48   ` David Marchand
2020-07-29 14:16     ` [dpdk-dev] 回复: " Feifei Wang
2020-07-29 14:21       ` [dpdk-dev] " David Marchand
2020-07-29 15:03         ` [dpdk-dev] 回复: " Feifei Wang
2020-07-29 21:24           ` [dpdk-dev] " Honnappa Nagarahalli
2020-07-30 10:28             ` [dpdk-dev] 回复: " Feifei Wang
2020-07-31  6:25               ` Feifei Wang
2020-08-05  6:14 ` [dpdk-dev] [PATCH v2 0/4] wrong pointer passed and add check Feifei Wang
2020-08-05  6:14   ` [dpdk-dev] [PATCH v2 1/4] test/ring: fix wrong parameter passed to the enqueue APIs Feifei Wang
2020-08-05  6:14   ` [dpdk-dev] [PATCH v2 2/4] test/ring: fix wrong size used in memcmp Feifei Wang
2020-08-26 20:51     ` Honnappa Nagarahalli
2020-08-27  9:05       ` [dpdk-dev] 回复: " Feifei Wang
2020-08-05  6:14   ` [dpdk-dev] [PATCH v2 3/4] test/ring: fix the wrong number of enq/deq elements Feifei Wang
2020-08-26 20:51     ` Honnappa Nagarahalli
2020-08-27  8:54       ` [dpdk-dev] 回复: " Feifei Wang
2020-08-05  6:14   ` [dpdk-dev] [PATCH v2 4/4] test/ring: add check to validate the dequeued objects Feifei Wang
2020-08-26 20:50     ` Honnappa Nagarahalli
2020-08-27  8:47       ` [dpdk-dev] 回复: " Feifei Wang
2020-09-11 16:09 ` [dpdk-dev] [PATCH v3 0/6] fix wrong passed pointer and add check Feifei Wang
2020-09-11 16:09   ` [dpdk-dev] [PATCH v3 1/6] test/ring: add check to validate dequeued objects Feifei Wang
2020-09-14  4:26     ` Honnappa Nagarahalli
2020-09-11 16:09   ` [dpdk-dev] [PATCH v3 2/6] test/ring: fix wrong parameter passed to the enqueue APIs Feifei Wang
2020-09-14  4:28     ` Honnappa Nagarahalli
2020-09-11 16:09   ` [dpdk-dev] [PATCH v3 3/6] test/ring: validate the return value of enq/deq elements Feifei Wang
2020-09-14  4:29     ` Honnappa Nagarahalli
2020-09-11 16:10   ` [dpdk-dev] [PATCH v3 4/6] test/ring: fix wrong number " Feifei Wang
2020-09-14  4:31     ` Honnappa Nagarahalli
2020-09-11 16:10   ` [dpdk-dev] [PATCH v3 5/6] test/ring: fix wrong size used in memcmp Feifei Wang
2020-09-14  4:37     ` Honnappa Nagarahalli [this message]
2020-09-14  9:20       ` David Marchand
2020-09-11 16:10   ` [dpdk-dev] [PATCH v3 6/6] test/ring: improve the application of macro Feifei Wang
2020-09-14 14:33 ` [dpdk-dev] [PATCH v4 0/7] fix wrong passed pointer and add check Feifei Wang
2020-09-14 14:33   ` [dpdk-dev] [PATCH v4 1/7] test/ring: add check to validate dequeued objects Feifei Wang
2020-09-14 14:33   ` [dpdk-dev] [PATCH v4 2/7] test/ring: fix wrong parameter passed to the enqueue APIs Feifei Wang
2020-09-14 14:33   ` [dpdk-dev] [PATCH v4 3/7] test/ring: validate the return value of enq/deq elements Feifei Wang
2020-09-14 14:33   ` [dpdk-dev] [PATCH v4 4/7] test/ring: fix wrong number " Feifei Wang
2020-09-14 14:33   ` [dpdk-dev] [PATCH v4 5/7] test/ring: fix wrong size used in memcmp Feifei Wang
2020-09-14 14:33   ` [dpdk-dev] [PATCH v4 6/7] test/ring: add new function to validate dequeue data Feifei Wang
2020-09-14 14:33   ` [dpdk-dev] [PATCH v4 7/7] test/ring: improve the application of macro Feifei Wang
2020-09-15  6:27 ` [dpdk-dev] [PATCH v5 0/7] fix wrong passed pointer and add check Feifei Wang
2020-09-15  6:27   ` [dpdk-dev] [PATCH v5 1/7] test/ring: fix wrong parameter passed to the enqueue APIs Feifei Wang
2020-09-15  6:27   ` [dpdk-dev] [PATCH v5 2/7] test/ring: fix wrong number of enq/deq elements Feifei Wang
2020-09-15  6:27   ` [dpdk-dev] [PATCH v5 3/7] test/ring: fix wrong size used in memcmp Feifei Wang
2020-09-15  6:27   ` [dpdk-dev] [PATCH v5 4/7] test/ring: add check to validate dequeued objects Feifei Wang
2020-09-15  6:27   ` [dpdk-dev] [PATCH v5 5/7] test/ring: validate the return value of enq/deq elements Feifei Wang
2020-09-15  6:27   ` [dpdk-dev] [PATCH v5 6/7] test/ring: add new function to validate dequeue data Feifei Wang
2020-09-15  6:27   ` [dpdk-dev] [PATCH v5 7/7] test/ring: improve the application of macro Feifei Wang
2020-09-17 16:26     ` Ananyev, Konstantin
2020-09-20 11:54       ` [dpdk-dev] 回复: " Feifei Wang
2020-09-20 11:48 ` [dpdk-dev] [PATCH v6 0/7] Feifei Wang
2020-09-20 11:48   ` [dpdk-dev] [PATCH v6 1/7] test/ring: fix wrong parameter passed to the enqueue APIs Feifei Wang
2020-09-20 11:48   ` [dpdk-dev] [PATCH v6 2/7] test/ring: fix wrong number of enq/deq elements Feifei Wang
2020-09-20 11:48   ` [dpdk-dev] [PATCH v6 3/7] test/ring: fix wrong size used in memcmp Feifei Wang
2020-09-20 11:48   ` [dpdk-dev] [PATCH v6 4/7] test/ring: add check to validate dequeued objects Feifei Wang
2020-09-20 11:48   ` [dpdk-dev] [PATCH v6 5/7] test/ring: validate the return value of enq/deq elements Feifei Wang
2020-09-20 11:48   ` [dpdk-dev] [PATCH v6 6/7] test/ring: add new function to validate dequeue data Feifei Wang
2020-09-20 11:48   ` [dpdk-dev] [PATCH v6 7/7] test/ring: improve the application of macro Feifei Wang
2020-09-20 15:18   ` [dpdk-dev] [PATCH v6 0/7] Ananyev, Konstantin
2020-09-23  9:24   ` David Marchand

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