Re: [PATCH 02/27] perf tools: Fix jump label always changing during tracing

2014-07-28 Thread Ingo Molnar
* Jiri Olsa wrote: > On Mon, Jul 28, 2014 at 08:58:44AM +0200, Peter Zijlstra wrote: > > On Fri, Jul 25, 2014 at 12:36:44PM -0300, Arnaldo Carvalho de Melo wrote: > > > From: Adrian Hunter > > > > > > Intel PT decoding walks the object code to reconstruct the trace. A > > > jump label change

Re: [PATCH 02/27] perf tools: Fix jump label always changing during tracing

2014-07-28 Thread Jiri Olsa
On Mon, Jul 28, 2014 at 08:58:44AM +0200, Peter Zijlstra wrote: > On Fri, Jul 25, 2014 at 12:36:44PM -0300, Arnaldo Carvalho de Melo wrote: > > From: Adrian Hunter > > > > Intel PT decoding walks the object code to reconstruct the trace. A > > jump label change during tracing causes decoding err

Re: [PATCH 02/27] perf tools: Fix jump label always changing during tracing

2014-07-27 Thread Peter Zijlstra
On Fri, Jul 25, 2014 at 12:36:44PM -0300, Arnaldo Carvalho de Melo wrote: > From: Adrian Hunter > > Intel PT decoding walks the object code to reconstruct the trace. A > jump label change during tracing causes decoding errors. > > The "Enable close-on-exec flag on perf file descriptor" patch ca