linux-kernel - Re: [PATCH 2/5] perf tools: Move callchain_param to util object in to fix python test

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Date:	Thu, 2 Oct 2014 12:13:07 -0300
From:	Arnaldo Carvalho de Melo <acme@...hat.com>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	Jiri Olsa <jolsa@...nel.org>, linux-kernel@...r.kernel.org,
	Adrian Hunter <adrian.hunter@...el.com>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...nel.org>, Milian Wolff <mail@...ianw.de>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [PATCH 2/5] perf tools: Move callchain_param to util object in
 to fix python test

Em Thu, Oct 02, 2014 at 05:08:27PM +0200, Jiri Olsa escreveu:
> On Thu, Oct 02, 2014 at 11:59:49AM -0300, Arnaldo Carvalho de Melo wrote:
> > Em Wed, Oct 01, 2014 at 06:00:26PM +0200, Jiri Olsa escreveu:
> > > In following commit we changed the location of callchains data:
> > >   b016b5ba554b perf tools: Move callchain config from record_opts to callchain_param
> > > 
> > > Now all callchains stuff stays in callchain_param struct,
> > > which adds its dependency for evsel.c object and breaks
> > > python perf.so usage (unresolved callchain_param).
> > > 
> > > Moving callchain_param into callchain.c and adding it into
> > > python-ext-sources unleash just another dependency hell,
> > > so I ended up adding callchain_param into util.c for now.
> > 
> > Against what branch is the patch? I am not finding b016b5ba554b in none
> 
> [jolsa@...va perf]$ git describe --contains b016b5ba554b
> fatal: cannot describe 'b016b5ba554ba38c74241ef8739f8fde8878d3eb'
> [jolsa@...va perf]$ git show --oneline b016b5ba554b | head -1
> b016b5ba554b perf tools: Move callchain config from record_opts to callchain_param
> [jolsa@...va perf]$ git show 72a128aa083a > /tmp/p
> [jolsa@...va perf]$ git show b016b5ba554b > /tmp/p1
> [jolsa@...va perf]$ diff -puw /tmp/p /tmp/p1 
> --- /tmp/p      2014-10-02 17:06:20.072958720 +0200
> +++ /tmp/p1     2014-10-02 17:06:26.035946113 +0200
> @@ -1,4 +1,4 @@
> -commit 72a128aa083a7f4cc4f800718aaae05d9c698e26
> +commit b016b5ba554ba38c74241ef8739f8fde8878d3eb
>  Author: Namhyung Kim <namhyung@...nel.org>
>  Date:   Tue Sep 23 10:01:41 2014 +0900
> 
> 
> I guess I took some version before your rebase
> 
> > of the branches in my linux git repo and the python 'perf test' entry
> > works as expected:
> > 
> > [root@zoo ~]# perf test python
> > 17: Try 'use perf' in python, checking link problems       : Ok
> > [root@zoo ~]# 
> 
> hum.. yours acme/perf/core is failing for me:
> 
> [jolsa@...va perf]$ ./perf test python
> 17: Try 'use perf' in python, checking link problems       : FAILED!
> [jolsa@...va perf]$ git show --oneline HEAD | head -1
> 281f92f233a5 perf record: Fix error message for --filter option not coming after tracepoint
> 
> maybe you need 'make clean && make' ?

Yeap, I somehow thought that I had that covered :-\

Reproduced, yeah, 72a128aa083a7f4cc4f800718aaae05d9c698e26 is in, and
I'll take your patch, thanks.

Will update the comment to refer to the right cset.

- Arnaldo
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