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RE: Reverse-debugging with Intel PT not working
- From: "Metzger, Markus T" <markus dot t dot metzger at intel dot com>
- To: Jack Henschel <jackdev at mailbox dot org>, "gdb at sourceware dot org" <gdb at sourceware dot org>
- Date: Fri, 15 Sep 2017 09:30:41 +0000
- Subject: RE: Reverse-debugging with Intel PT not working
- Authentication-results: sourceware.org; auth=none
- Dlp-product: dlpe-windows
- Dlp-reaction: no-action
- Dlp-version: 11.0.0.116
- References: <8b6b483f-ed58-b889-b03a-f2e00747e894@mailbox.org>
> -----Original Message-----
> From: gdb-owner@sourceware.org [mailto:gdb-owner@sourceware.org] On
> Behalf Of Jack Henschel
> Sent: Monday, August 21, 2017 4:49 PM
> To: gdb@sourceware.org
> Subject: Reverse-debugging with Intel PT not working
Hello Jack,
Sorry for the late response; I was enjoying a long summer vacation.
Please check your /proc/sys/kernel/perf_event_paranoid settings. Debian added a new
level that essentially disables perf for user-space. If you set it to 2 (or lower) it should
work.
Regards,
Markus.
Intel Deutschland GmbH
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Tel: +49 89 99 8853-0, www.intel.de
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