linux-kernel - Re: [PATCH 2/2] perf report: Add gcc option '-rdynamic' to define symbol callchain

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Date:	Sun, 1 May 2016 17:44:52 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	Kyeongmin Cho <korea.drzix@...il.com>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	linux-kernel@...r.kernel.org, Wang Nan <wangnan0@...wei.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Namhyung Kim <namhyung@...nel.org>
Subject: Re: [PATCH 2/2] perf report: Add gcc option '-rdynamic' to define
 symbol callchain_param

On Thu, Apr 28, 2016 at 11:49:06PM +0900, Kyeongmin Cho wrote:
> Hi,
> 
> Althogh applying my previous patch, it still prints
> 
> $ ./perf report --gtk
> GTK browser requested but could not find libperf-gtk.so
> 
> When printing dlerror() in setup_gtk_browser(),
> 
> $ ./perf report --gtk
> /home/drzix/lib64/libperf-gtk.so: undefined symbol: callchain_param
> GTK browser requested but could not find libperf-gtk.so
> 
> After applying this patch, compiling rdynamically to make
> libperf-gtk.so find out the symbol, it works.

hum, I'm running that with:
  LD_LIBRARY_PATH=$PWD ./perf report --gtk

jirka