From: Petr Vorel <pvorel@suse.cz>
To: ltp@lists.linux.it
Subject: [LTP] [PATCH] Add env variable as workaround for test issues in VMs
Date: Mon, 27 Apr 2020 07:31:25 +0200 [thread overview]
Message-ID: <20200427053125.GA21164@dell5510> (raw)
In-Reply-To: <20200424150422.17467-1-mdoucha@suse.cz>
Hi Martin,
> Timer tests often fail on sleep overrun when LTP is running inside a VM.
> The main cause is usually that the VM doesn't get enough CPU time to wake up
> the test process in time.
Cannot we detect presence of "hypervisor" in flags in /proc/cpuinfo?
I though it was quite reliable for detecting VM.
> Disable upper bound checks in the tst_timer_test library if LTP_VM_ENV is set
> to non-zero value.
Kind regards,
Petr
next prev parent reply other threads:[~2020-04-27 5:31 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-24 15:04 [LTP] [PATCH] Add env variable as workaround for test issues in VMs Martin Doucha
2020-04-27 5:31 ` Petr Vorel [this message]
2020-04-27 7:31 ` Jan Stancek
2020-04-27 7:41 ` Petr Vorel
2020-04-27 8:49 ` Li Wang
2020-04-27 9:06 ` Jan Stancek
2020-04-27 9:19 ` Petr Vorel
2020-04-27 9:23 ` Martin Doucha
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