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From: Thomas Monjalon <thomas@monjalon.net>
To: Aaron Conole <aconole@redhat.com>
Cc: dev@dpdk.org, David Marchand <david.marchand@redhat.com>,
	Michael Santana <msantana@redhat.com>,
	Ilya Maximets <i.maximets@ovn.org>,
	Erik Gabriel Carrillo <erik.g.carrillo@intel.com>,
	bruce.richardson@intel.com
Subject: Re: [dpdk-dev] [dpdk-ci] [PATCH] test: drop 'alarm_autotest' and 'cycles_autotest' from test suite
Date: Tue, 25 May 2021 10:05:40 +0200	[thread overview]
Message-ID: <23172713.yfyB1BgmTZ@thomas> (raw)
In-Reply-To: <f7teedv8y6p.fsf@redhat.com>

25/05/2021 02:16, Aaron Conole:
> The tests 'alarm_autotest' and 'cycles_autotest' rely on the underlying
> system having very accurate and precise timing.  On systems where the timing
> isn't as rigid, or the load is particularly high, these tests are unreliable
> since the wake latency from the scheduler can be high enough to miss the
> timing window.
> 
> Remove these tests from the test suites.  Maybe it's useful for these
> tests to be present as a diagnostics tool, but for normal unit testing,
> they don't provide much value.  They have falsely flagged patches as
> FAIL on various infrastructures.

Are sure of the value keeping the source code?




  reply	other threads:[~2021-05-25  8:05 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-25  0:16 [dpdk-dev] " Aaron Conole
2021-05-25  8:05 ` Thomas Monjalon [this message]
2021-05-25 13:21   ` [dpdk-dev] [dpdk-ci] " Aaron Conole
2021-05-26 11:58 ` [dpdk-dev] [PATCH v2] test: remove strict timing requirements from alarm and cycles tests Aaron Conole
2021-05-26 13:06   ` Aaron Conole
2021-06-03 13:46 ` [dpdk-dev] [PATCH v3] " Aaron Conole
2021-06-03 15:22   ` [dpdk-dev] [PATCH v4] " Aaron Conole
2021-06-03 16:13     ` David Marchand

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