From: Andi Kleen <andi@firstfloor.org>
To: Milian Wolff <milian.wolff@kdab.com>, 5A@linux.intel.com
Cc: linux-perf-users@vger.kernel.org
Subject: Re: LBR unwinding for user defined dynamic trace point
Date: Tue, 15 Sep 2015 07:02:37 -0700 [thread overview]
Message-ID: <874mivkcg2.fsf@tassilo.jf.intel.com> (raw)
In-Reply-To: <2495974.rH49Pff4SO@milian-kdab2> (Milian Wolff's message of "Tue, 15 Sep 2015 15:12:02 +0200")
Milian Wolff <milian.wolff@kdab.com> writes:
>
> When I do the same with the Dwarf unwinder, it works just fine. Using the LBR
> unwinder with a performance counter like instructions also works fine. Does
> anyone know what the issue is here?
LBR is only supported for PMU sampling at this point.
-Andi
--
ak@linux.intel.com -- Speaking for myself only
next prev parent reply other threads:[~2015-09-15 14:02 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-15 13:12 LBR unwinding for user defined dynamic trace point Milian Wolff
2015-09-15 14:02 ` Andi Kleen [this message]
2015-09-16 9:55 ` Milian Wolff
2015-09-16 18:56 ` Andi Kleen
2016-04-07 15:05 ` Milian Wolff
2016-04-07 15:55 ` Andi Kleen
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