From: Arnd Bergmann <arnd@arndb.de>
To: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Avi Kivity <avi@redhat.com>,
Marcelo Tosatti <mtosatti@redhat.com>,
kvm@vger.kernel.org, Heiko Carstens <heiko.carstens@de.ibm.com>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
Carsten Otte <cotte@de.ibm.com>
Subject: Re: kvm-s390: Dont exit SIE on SIGP sense running
Date: Mon, 21 Jun 2010 12:26:21 +0200 [thread overview]
Message-ID: <201006211226.21365.arnd@arndb.de> (raw)
In-Reply-To: <201006211215.33599.borntraeger@de.ibm.com>
On Monday 21 June 2010, Christian Borntraeger wrote:
> Hmm, dont know. Currently this calls into a s390 debug tracing facility
> (arch/s390/kernel/debug.c) which is heavily used by our service folks.
> There are commands for crash and lcrash to show these s390 debug traces
> from a dump.
>
> Maybe its worth to investigate if we should change some of these events to
> have both ftrace-tracepoints and the debug traces.
I think that it would be worthwhile to convert the entire s390 debug
code to become tracepoints, either one by one or making it a subclass
with the existing interfaces.
Arnd
prev parent reply other threads:[~2010-06-21 10:26 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-17 21:16 kvm-s390: Dont exit SIE on SIGP sense running Christian Borntraeger
2010-06-21 8:27 ` Avi Kivity
2010-06-21 10:15 ` Christian Borntraeger
2010-06-21 10:26 ` Arnd Bergmann [this message]
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