linux-kernel - Re: [PATCH v1 03/10] tools, perf, script: Add --insn-trace for instruction decoding

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Message-ID: <20180830085658.GE16691@krava>
Date:   Thu, 30 Aug 2018 10:56:58 +0200
From:   Jiri Olsa <jolsa@...hat.com>
To:     Andi Kleen <andi@...stfloor.org>
Cc:     acme@...nel.org, jolsa@...nel.org, adrian.hunter@...el.com,
        linux-kernel@...r.kernel.org, Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH v1 03/10] tools, perf, script: Add --insn-trace for
 instruction decoding

On Wed, Aug 29, 2018 at 10:18:27AM -0700, Andi Kleen wrote:
> From: Andi Kleen <ak@...ux.intel.com>
> 
> Add a --insn-trace short hand option for decoding and disassembling
> instruction streams for intel_pt. This automatically pipes the
> output into the xed disassembler to generate disassembled instructions.
> This just makes this use model much nicer to use
> 
> Before
> 
> % perf record -e intel_pt// ...
> % perf script --itrace=i0ns --ns -F +insn,-event,-period | xed -F insn: -A -64
>    swapper     0 [000] 117276.429606186:  ffffffff81010486 pt_config ([kernel.kallsyms])          nopl  %eax, (%rax,%rax,1)
>    swapper     0 [000] 117276.429606186:  ffffffff8101048b pt_config ([kernel.kallsyms])          add $0x10, %rsp
>    swapper     0 [000] 117276.429606186:  ffffffff8101048f pt_config ([kernel.kallsyms])          popq  %rbx
>    swapper     0 [000] 117276.429606186:  ffffffff81010490 pt_config ([kernel.kallsyms])          popq  %rbp
>    swapper     0 [000] 117276.429606186:  ffffffff81010491 pt_config ([kernel.kallsyms])          popq  %r12
>    swapper     0 [000] 117276.429606186:  ffffffff81010493 pt_config ([kernel.kallsyms])          popq  %r13
>    swapper     0 [000] 117276.429606186:  ffffffff81010495 pt_config ([kernel.kallsyms])          popq  %r14
>    swapper     0 [000] 117276.429606186:  ffffffff81010497 pt_config ([kernel.kallsyms])          popq  %r15
>    swapper     0 [000] 117276.429606186:  ffffffff81010499 pt_config ([kernel.kallsyms])          retq
>    swapper     0 [000] 117276.429606186:  ffffffff8101063e pt_event_add ([kernel.kallsyms])               cmpl  $0x1, 0x1b0(%rbx)
>    swapper     0 [000] 117276.429606186:  ffffffff81010645 pt_event_add ([kernel.kallsyms])               mov $0xffffffea, %eax
>    swapper     0 [000] 117276.429606186:  ffffffff8101064a pt_event_add ([kernel.kallsyms])               mov $0x0, %edx
>    swapper     0 [000] 117276.429606186:  ffffffff8101064f pt_event_add ([kernel.kallsyms])               popq  %rbx
>    swapper     0 [000] 117276.429606186:  ffffffff81010650 pt_event_add ([kernel.kallsyms])               cmovnz %edx, %eax
>    swapper     0 [000] 117276.429606186:  ffffffff81010653 pt_event_add ([kernel.kallsyms])               jmp 0xffffffff81010635
>    swapper     0 [000] 117276.429606186:  ffffffff81010635 pt_event_add ([kernel.kallsyms])               retq
>    swapper     0 [000] 117276.429606186:  ffffffff8115e687 event_sched_in.isra.107 ([kernel.kallsyms])            test %eax, %eax
> 
> Now
> 
> % perf record -e intel_pt// ...
> % perf script --insn-trace
> ... same output ...

which version of xed?

[jolsa@...va perf]$ ./perf script --insn-trace
Unknown option -F
[jolsa@...va perf]$ xed --version
xed - Version 1.8.3

could you please check on this, and warn if the xed output
is not available for this option

thanks,
jirka