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From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Andi Kleen <andi@firstfloor.org>
Cc: jolsa@kernel.org, linux-kernel@vger.kernel.org,
	Andi Kleen <ak@linux.intel.com>
Subject: Re: [PATCH v6 1/5] tools, perf, script: Add --insn-trace for instruction decoding
Date: Mon, 8 Oct 2018 14:50:14 -0300	[thread overview]
Message-ID: <20181008175014.GS3541@kernel.org> (raw)
In-Reply-To: <20180920180540.14039-2-andi@firstfloor.org>

Em Thu, Sep 20, 2018 at 11:05:36AM -0700, Andi Kleen escreveu:
> From: Andi Kleen <ak@linux.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 --xed
> ... same output ...
> 
> XED needs to be installed with:
> 
> > git clone https://github.com/intelxed/mbuild.git mbuild
> > git clone https://github.com/intelxed/xed
> > cd xed
> > mkdir obj
> > cd obj
> > ../mfile.py
> > sudo ../mfile.py --prefix=/usr/local install
> 
> Signed-off-by: Andi Kleen <ak@linux.intel.com>

Fixed up whitespace damage in the Documentation for building xed,
applied.

- Arnaldo

  reply	other threads:[~2018-10-08 17:50 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-20 18:05 Make perf script easier to use for itrace Andi Kleen
2018-09-20 18:05 ` [PATCH v6 1/5] tools, perf, script: Add --insn-trace for instruction decoding Andi Kleen
2018-10-08 17:50   ` Arnaldo Carvalho de Melo [this message]
2018-10-08 18:03   ` Arnaldo Carvalho de Melo
2018-10-08 18:41     ` Andi Kleen
2018-10-08 19:40       ` Arnaldo Carvalho de Melo
2018-10-26  7:45   ` [tip:perf/urgent] perf " tip-bot for Andi Kleen
2018-09-20 18:05 ` [PATCH v6 2/5] perf, tools, script: Make itrace script default to all calls Andi Kleen
2018-10-26  7:46   ` [tip:perf/urgent] perf " tip-bot for Andi Kleen
2018-09-20 18:05 ` [PATCH v6 3/5] tools, perf, script: Add --call-trace and --call-ret-trace Andi Kleen
2018-09-28 10:23   ` leo.yan
2018-09-28 17:19     ` Andi Kleen
2018-09-29  7:39       ` leo.yan
2018-10-02 14:24         ` Arnaldo Carvalho de Melo
2018-10-02 23:09           ` leo.yan
2018-10-26  7:46   ` [tip:perf/urgent] tools " tip-bot for Andi Kleen
2018-09-20 18:05 ` [PATCH v6 4/5] tools, perf, script: Implement --graph-function Andi Kleen
2018-10-26  7:47   ` [tip:perf/urgent] perf " tip-bot for Andi Kleen
2018-09-20 18:05 ` [PATCH v6 5/5] perf, tools, script: Support total cycles count Andi Kleen
2018-09-24 17:07   ` Andi Kleen
2018-10-26  7:47     ` [tip:perf/urgent] perf " tip-bot for Andi Kleen

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