Em Thu, Sep 20, 2018 at 11:05:36AM -0700, Andi Kleen escreveu: > From: Andi Kleen <a...@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 <a...@linux.intel.com>
Fixed up whitespace damage in the Documentation for building xed, applied. - Arnaldo
