From mboxrd@z Thu Jan 1 00:00:00 1970 From: acme@ghostprotocols.net (Arnaldo Carvalho de Melo) Date: Tue, 8 Oct 2013 11:28:30 -0300 Subject: [PATCH 3/4] perf tools: Check libunwind for availability of dwarf parsing feature In-Reply-To: References: <1380195398-4402-1-git-send-email-jean.pihet@linaro.org> <1380195398-4402-4-git-send-email-jean.pihet@linaro.org> <20130926124829.GA3284@krava.brq.redhat.com> <20131008104740.GU3081@twins.programming.kicks-ass.net> Message-ID: <20131008142830.GI4018@ghostprotocols.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Em Tue, Oct 08, 2013 at 04:15:40PM +0200, Jean Pihet escreveu: > On 8 October 2013 12:47, Peter Zijlstra wrote: > > On Tue, Oct 08, 2013 at 12:44:32PM +0200, Jean Pihet wrote: > >> On 26 September 2013 14:48, Jiri Olsa wrote: > >> > On Thu, Sep 26, 2013 at 01:36:37PM +0200, Jean Pihet wrote: > >> >> The newly added dwarf unwinding feature [1] requires: > >> >> . a recent version (>= 1.1) of libunwind, > >> >> . libunwind to be configured with --enable-debug-frame. > >> >> [1] http://www.spinics.net/lists/kernel/msg1598951.html > >> >> Add the corresponding API tests in the feature check list. > >> > Acked-by: Jiri Olsa > >> Thanks for the ack! > >> Is it possible to get an ack from the perf core maintainers? > >> Also, is the patch going in Will's tree? > > This being a tools patch you'd have to ask acme; also I know next to > > nothing about all this unwind business except that its stupid expensive > > ;-) > You are right! It brings some more info on the trace though. > -- adding Arnaldo in the loop -- > Arnaldo, are you OK with the changes [1]? Jiri acked the patches > already; Will is willing (no pun intended) to take the ARM specific > patches [2] in his tree. As Jiri acked, go ahead and pick as much as you can via Will's tree, I'd say. :-) - Arnaldo > [1] http://www.spinics.net/lists/kernel/msg1608921.html and > http://www.spinics.net/lists/kernel/msg1608922.html > [2] http://www.spinics.net/lists/kernel/msg1608920.html and > http://www.spinics.net/lists/kernel/msg1608923.html > > Regards, > Jean