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Re: [RFC] Probes don't hit in an already running process
- From: David Smith <dsmith at redhat dot com>
- To: Torsten Polle <Torsten dot Polle at gmx dot de>
- Cc: systemtap at sourceware dot org
- Date: Mon, 18 Aug 2014 09:48:36 -0500
- Subject: Re: [RFC] Probes don't hit in an already running process
- Authentication-results: sourceware.org; auth=none
- References: <m2zjl1y78q dot fsf at gmx dot de>, <5321B6A7 dot 2050908 at redhat dot com> <trinity-ace1755b-5a27-463a-81a0-9ec45f0a4c9c-1394864987187 at 3capp-gmx-bs43> <CD0C83A0-2195-4019-993E-1178CE72142C at gmx dot de>
On 08/16/2014 03:51 PM, Torsten Polle wrote:
> it took me some time to check this issue in July and again some more time
> to write this mail.
>
> Finally, I found out that UTRACE_INTERUPT was not handled properly in
> utrace_resume. Before I wanted to get back to you, I double checked
> with the newest version only to find out that you had already fixed
> the problem with "Fixed PR17181 by making utrace handle interrupting
> processes better."
Thanks for checking. Yeah, PR17181 and PR17127 were quite difficult to
debug (which led to the fix that we reverted for PR17127). Having a good
testcase was *so* helpful it getting a good fix here.
I'm glad that fixed your issue too. Thanks again for retesting.
--
David Smith
dsmith@redhat.com
Red Hat
http://www.redhat.com
256.217.0141 (direct)
256.837.0057 (fax)