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From: John Fastabend <john.fastabend@gmail.com>
To: Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp>,
	Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>
Cc: "David S . Miller" <davem@davemloft.net>,
	Shuah Khan <shuah@kernel.org>,
	netdev@vger.kernel.org, linux-kselftest@vger.kernel.org
Subject: Re: [PATCH bpf-next v4 3/5] selftests/bpf: test_sockmap, timing improvements
Date: Fri, 1 Jun 2018 07:11:56 -0700	[thread overview]
Message-ID: <1f1895d0-0620-f6df-c3c3-033360bd310e@gmail.com> (raw)
In-Reply-To: <20180531044240.796-4-bhole_prashant_q7@lab.ntt.co.jp>

On 05/30/2018 09:42 PM, Prashant Bhole wrote:
> Currently 10us delay is too low for many tests to succeed. It needs to
> be increased. Also, many corked tests are expected to hit rx timeout
> irrespective of timeout value.
> 
> - This patch sets 1000usec timeout value for corked tests because less
> than that causes broken-pipe error in tx thread. Also sets 1 second
> timeout for all other tests because less than that results in RX
> timeout
> - tests with apply=1 and higher number of iterations were taking lot
> of time. This patch reduces test run time by reducing iterations.
> 
> real    0m12.968s
> user    0m0.219s
> sys     0m14.337s
> 
> Fixes: a18fda1a62c3 ("bpf: reduce runtime of test_sockmap tests")
> Signed-off-by: Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp>
> ---

OK seems more reasonable to me. We could probably even go lower
on some of the 'rate' values here if needed (512->128).

Acked-by: John Fastabend <john.fastabend@gmail.com>

WARNING: multiple messages have this Message-ID (diff)
From: john.fastabend at gmail.com (John Fastabend)
Subject: [PATCH bpf-next v4 3/5] selftests/bpf: test_sockmap, timing improvements
Date: Fri, 1 Jun 2018 07:11:56 -0700	[thread overview]
Message-ID: <1f1895d0-0620-f6df-c3c3-033360bd310e@gmail.com> (raw)
In-Reply-To: <20180531044240.796-4-bhole_prashant_q7@lab.ntt.co.jp>

On 05/30/2018 09:42 PM, Prashant Bhole wrote:
> Currently 10us delay is too low for many tests to succeed. It needs to
> be increased. Also, many corked tests are expected to hit rx timeout
> irrespective of timeout value.
> 
> - This patch sets 1000usec timeout value for corked tests because less
> than that causes broken-pipe error in tx thread. Also sets 1 second
> timeout for all other tests because less than that results in RX
> timeout
> - tests with apply=1 and higher number of iterations were taking lot
> of time. This patch reduces test run time by reducing iterations.
> 
> real    0m12.968s
> user    0m0.219s
> sys     0m14.337s
> 
> Fixes: a18fda1a62c3 ("bpf: reduce runtime of test_sockmap tests")
> Signed-off-by: Prashant Bhole <bhole_prashant_q7 at lab.ntt.co.jp>
> ---

OK seems more reasonable to me. We could probably even go lower
on some of the 'rate' values here if needed (512->128).

Acked-by: John Fastabend <john.fastabend at gmail.com>

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WARNING: multiple messages have this Message-ID (diff)
From: john.fastabend@gmail.com (John Fastabend)
Subject: [PATCH bpf-next v4 3/5] selftests/bpf: test_sockmap, timing improvements
Date: Fri, 1 Jun 2018 07:11:56 -0700	[thread overview]
Message-ID: <1f1895d0-0620-f6df-c3c3-033360bd310e@gmail.com> (raw)
Message-ID: <20180601141156.2Xna_XioQz6-hU4YTdXVmqq_vbWfcidvNR_ssyr8v2I@z> (raw)
In-Reply-To: <20180531044240.796-4-bhole_prashant_q7@lab.ntt.co.jp>

On 05/30/2018 09:42 PM, Prashant Bhole wrote:
> Currently 10us delay is too low for many tests to succeed. It needs to
> be increased. Also, many corked tests are expected to hit rx timeout
> irrespective of timeout value.
> 
> - This patch sets 1000usec timeout value for corked tests because less
> than that causes broken-pipe error in tx thread. Also sets 1 second
> timeout for all other tests because less than that results in RX
> timeout
> - tests with apply=1 and higher number of iterations were taking lot
> of time. This patch reduces test run time by reducing iterations.
> 
> real    0m12.968s
> user    0m0.219s
> sys     0m14.337s
> 
> Fixes: a18fda1a62c3 ("bpf: reduce runtime of test_sockmap tests")
> Signed-off-by: Prashant Bhole <bhole_prashant_q7 at lab.ntt.co.jp>
> ---

OK seems more reasonable to me. We could probably even go lower
on some of the 'rate' values here if needed (512->128).

Acked-by: John Fastabend <john.fastabend at gmail.com>

--
To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in
the body of a message to majordomo at vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

  reply	other threads:[~2018-06-01 14:12 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-31  4:42 [PATCH bpf-next v4 0/5] fix test_sockmap Prashant Bhole
2018-05-31  4:42 ` Prashant Bhole
2018-05-31  4:42 ` bhole_prashant_q7
2018-05-31  4:42 ` [PATCH bpf-next v4 1/5] selftests/bpf: test_sockmap, check test failure Prashant Bhole
2018-05-31  4:42   ` Prashant Bhole
2018-05-31  4:42   ` bhole_prashant_q7
2018-06-01 14:04   ` John Fastabend
2018-06-01 14:04     ` John Fastabend
2018-06-01 14:04     ` john.fastabend
2018-05-31  4:42 ` [PATCH bpf-next v4 2/5] selftests/bpf: test_sockmap, join cgroup in selftest mode Prashant Bhole
2018-05-31  4:42   ` Prashant Bhole
2018-05-31  4:42   ` bhole_prashant_q7
2018-05-31  4:42 ` [PATCH bpf-next v4 3/5] selftests/bpf: test_sockmap, timing improvements Prashant Bhole
2018-05-31  4:42   ` Prashant Bhole
2018-05-31  4:42   ` bhole_prashant_q7
2018-06-01 14:11   ` John Fastabend [this message]
2018-06-01 14:11     ` John Fastabend
2018-06-01 14:11     ` john.fastabend
2018-05-31  4:42 ` [PATCH bpf-next v4 4/5] selftests/bpf: test_sockmap, fix data verification Prashant Bhole
2018-05-31  4:42   ` Prashant Bhole
2018-05-31  4:42   ` bhole_prashant_q7
2018-05-31  4:42 ` [PATCH bpf-next v4 5/5] selftests/bpf: test_sockmap, print additional test options Prashant Bhole
2018-05-31  4:42   ` Prashant Bhole
2018-05-31  4:42   ` bhole_prashant_q7
2018-06-02  4:16 ` [PATCH bpf-next v4 0/5] fix test_sockmap Daniel Borkmann
2018-06-02  4:16   ` Daniel Borkmann
2018-06-02  4:16   ` daniel

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