linux-kernel - Re: [PATCH 18/22] perf tools: Add udis86 disassembler feature check

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Date:	Mon, 25 Nov 2013 16:02:11 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...e.hu>, Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	David Ahern <dsahern@...il.com>
Subject: Re: [PATCH 18/22] perf tools: Add udis86 disassembler feature check

On Sat, Nov 23, 2013 at 12:38:02AM +0900, Namhyung Kim wrote:
> 2013-11-21 (목), 12:01 +0100, Jiri Olsa:
> > Adding udis86 disassembler feature check which support
> > is needed for kvm:kvm_emulate_insn tracepoint.
> > 
> > The diff of 'perf script' output generated by old and new code:
> > (data was generated by 'perf record -e kvm:kvm_emulate_insn -a')
> > 
> > --- script.kvm.old
> > +++ script.kvm.new
> > - qemu-system-x86 15519 [003]  5332.470049: kvm:kvm_emulate_insn: 0:ffffffff8103c596:89 b7 00 80 5f ff (prot64)
> > + qemu-system-x86 15519 [003]  5332.470049: kvm:kvm_emulate_insn: 0:ffffffff8103c596: mov %esi, -0xa08000(%rdi)
> 
> [SNIP]
> > --- a/tools/perf/Makefile.perf
> > +++ b/tools/perf/Makefile.perf
> > @@ -710,7 +710,7 @@ $(LIB_FILE): $(LIB_OBJS)
> >  # libtraceevent.a
> >  TE_SOURCES = $(wildcard $(TRACE_EVENT_DIR)*.[ch])
> >  
> > -LIBTRACEEVENT_FLAGS=$(QUIET_SUBDIR1) O=$(OUTPUT) CFLAGS="-g -Wall $(EXTRA_CFLAGS)" plugin_dir=$(plugindir_SQ)
> > +LIBTRACEEVENT_FLAGS=$(QUIET_SUBDIR1) O=$(OUTPUT) CFLAGS="-g -Wall $(EXTRA_CFLAGS) $(LIBTRACEEVENT_CFLAGS)" plugin_dir=$(plugindir_SQ)
> 
> What about breaking the line with "+="?

ok

thanks,
jirka
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