From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 97564 invoked by alias); 17 Feb 2017 09:11:02 -0000 Mailing-List: contact elfutils-devel-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Post: List-Help: List-Subscribe: Sender: elfutils-devel-owner@sourceware.org Received: (qmail 97359 invoked by uid 48); 17 Feb 2017 09:10:49 -0000 From: "mark at klomp dot org" To: elfutils-devel@sourceware.org Subject: [Bug libdw/21174] libdw with perf: duplication of entries in callstack Date: Fri, 17 Feb 2017 09:11:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: elfutils X-Bugzilla-Component: libdw X-Bugzilla-Version: unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: mark at klomp dot org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at sourceware dot org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://sourceware.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2017-q1/txt/msg00047.txt.bz2 https://sourceware.org/bugzilla/show_bug.cgi?id=3D21174 Mark Wielaard changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mark at klomp dot org --- Comment #1 from Mark Wielaard --- There is no good way to tell. It could happen if the function calls itself (although you would expect the pc to be different). How does perf call the libdw getframe function? What does the CFI look like at that address? --=20 You are receiving this mail because: You are on the CC list for the bug.