* [LTP] Running only kernel syscall tests
[not found] <1609707634.578233.1312258810042.JavaMail.root@zmail07.collab.prod.int.phx2.redhat.com>
@ 2011-08-02 4:28 ` Shakthi Kannan
2011-08-02 4:57 ` Garrett Cooper
2011-08-10 13:57 ` Cyril Hrubis
0 siblings, 2 replies; 5+ messages in thread
From: Shakthi Kannan @ 2011-08-02 4:28 UTC (permalink / raw)
To: ltp-list
Hi,
Are there any options to runltp or any other means to just run the kernel syscall tests? How long does it take to run the runalltests.sh on an i386/x86_64 machine?
Appreciate any inputs in this regard,
SK
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Shakthi Kannan
skannan at redhat dot com
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* Re: [LTP] Running only kernel syscall tests
2011-08-02 4:28 ` [LTP] Running only kernel syscall tests Shakthi Kannan
@ 2011-08-02 4:57 ` Garrett Cooper
2011-08-02 13:15 ` Serge E. Hallyn
2011-08-10 13:57 ` Cyril Hrubis
1 sibling, 1 reply; 5+ messages in thread
From: Garrett Cooper @ 2011-08-02 4:57 UTC (permalink / raw)
To: Shakthi Kannan; +Cc: ltp-list
On Mon, Aug 1, 2011 at 9:28 PM, Shakthi Kannan <skannan@redhat.com> wrote:
> Hi,
>
> Are there any options to runltp or any other means to just run the kernel syscall tests?
runltp -f syscalls
> How long does it take to run the runalltests.sh on an i386/x86_64 machine?
Varies depending on the speed of the machine and other factors.
HTH,
-Garrett
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* Re: [LTP] Running only kernel syscall tests
2011-08-02 4:57 ` Garrett Cooper
@ 2011-08-02 13:15 ` Serge E. Hallyn
2011-08-10 13:55 ` Cyril Hrubis
0 siblings, 1 reply; 5+ messages in thread
From: Serge E. Hallyn @ 2011-08-02 13:15 UTC (permalink / raw)
To: Garrett Cooper; +Cc: ltp-list
Quoting Garrett Cooper (yanegomi@gmail.com):
> On Mon, Aug 1, 2011 at 9:28 PM, Shakthi Kannan <skannan@redhat.com> wrote:
> > Hi,
> >
> > Are there any options to runltp or any other means to just run the kernel syscall tests?
>
> runltp -f syscalls
>
> > How long does it take to run the runalltests.sh on an i386/x86_64 machine?
>
> Varies depending on the speed of the machine and other factors.
I'm curious - what exactly do people find they can run reliably with no
hangs on a known good system? On ec2 instances I find even runltp -f
syscalls to hang. I know, I know :) I do intend to look into it. But
is there anything people find they can use as a gross "this works on good
kernel, let's see if it breaks on test kernel" metric?
-serge
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* Re: [LTP] Running only kernel syscall tests
2011-08-02 13:15 ` Serge E. Hallyn
@ 2011-08-10 13:55 ` Cyril Hrubis
0 siblings, 0 replies; 5+ messages in thread
From: Cyril Hrubis @ 2011-08-10 13:55 UTC (permalink / raw)
To: Serge E. Hallyn; +Cc: ltp-list
Hi!
> I'm curious - what exactly do people find they can run reliably with no
> hangs on a known good system? On ec2 instances I find even runltp -f
> syscalls to hang. I know, I know :) I do intend to look into it. But
> is there anything people find they can use as a gross "this works on good
> kernel, let's see if it breaks on test kernel" metric?
That is probably sched_yield() testcase, the culprit is writing to
stderr while plaing the ping pong with sched_yield() which would make
the disk writing thread lock (not really kernel bug as the test blocked
all cpus but one which on which it plays ping pong with sched_yield()).
At least it locks with some older kernels. I will commit a patch that
just removes useless printf().
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Cyril Hrubis
chrubis@suse.cz
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* Re: [LTP] Running only kernel syscall tests
2011-08-02 4:28 ` [LTP] Running only kernel syscall tests Shakthi Kannan
2011-08-02 4:57 ` Garrett Cooper
@ 2011-08-10 13:57 ` Cyril Hrubis
1 sibling, 0 replies; 5+ messages in thread
From: Cyril Hrubis @ 2011-08-10 13:57 UTC (permalink / raw)
To: Shakthi Kannan; +Cc: ltp-list
Hi!
> Are there any options to runltp or any other means to just run the
> kernel syscall tests? How long does it take to run the runalltests.sh
> on an i386/x86_64 machine?
You can save a lot of time (hours) if you omit the aio testcases, these
are submitting a lot of aio requests moving gigabytes of data back and
forth.
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Cyril Hrubis
chrubis@suse.cz
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[not found] <1609707634.578233.1312258810042.JavaMail.root@zmail07.collab.prod.int.phx2.redhat.com>
2011-08-02 4:28 ` [LTP] Running only kernel syscall tests Shakthi Kannan
2011-08-02 4:57 ` Garrett Cooper
2011-08-02 13:15 ` Serge E. Hallyn
2011-08-10 13:55 ` Cyril Hrubis
2011-08-10 13:57 ` Cyril Hrubis
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