[lkml]   [2017]   [Jan]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: New attempt at adding an disassembler to perf
On Tue, Jan 03, 2017 at 01:00:25AM -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:// perf/xed-3
> v1: First post of XED version

I tested and it looks ok.. once the xed detection is sorted out
I'd ack it


 \ /
  Last update: 2017-01-08 15:22    [W:0.225 / U:1.860 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site