Messages in this thread | | | Date | Thu, 19 Jan 2017 16:36:41 +0100 | From | Jiri Olsa <> | Subject | Re: New attempt at adding an disassembler to perf |
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On Wed, Jan 18, 2017 at 05:41:45PM -0800, Andi Kleen wrote: > A native disassembler in perf is very useful, in particular with perf script to trace > instruction streams, but also for other analysis. Previously I attempted > to do this using the udis86 library, but that was rejected because: > - udis86 was not maintained anymore and lacking recent instructions > - udis86 is dynamically linked and gives a runtime dependency. > Doing this needs a full disassembler, not just a decoder, so the existing > instruction decoder cannot be used without major changes. > > This patchkit addresses these issues. Intel recently released an open source version > of the XED disassembler library, which is used in many other Intel software. > It is very well maintained, uptodate, and supports static linking, so there is no > runtime dependency. This version adds XED support to perf, and uses it to implement > assembler output in perf script. It also fixes a range of issues in the previous > version, see the individual change logs. > > Available in > git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-misc.git perf/xed-6
i dont see that...
[jolsa@krava perf]$ git branch -r | grep xed- ak/perf/xed-3 ak/perf/xed-4
jirka
> > v1: First post of XED version > v2: Change probing to not be default and support XED_DIR. Other cleanups > based on review. > v3: Use FEATURE_FLAGS_BASIC for probing > > -Andi
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