Re: [Qemu-devel] [PATCH v2 0/2] Integrating qemu to Linux Perf

[Stefan Hajnoczi]

On Fri, Aug 30, 2019 at 09:19:01AM -0300, vandersonmr wrote:
> This patch is part of Google Summer of Code (GSoC) 2019.
> More about the project can be found in:
> https://wiki.qemu.org/Internships/ProjectIdeas/TCGCodeQuality
> 
> This adds --perf command-line option to dump Linux Perf
> jitdump files. These files are used to enhant Perf report
> and to be able to analyze and dump JITed code with perf.
> 
> Example of use:
>  perf record -k 1 qemu-x86_64 -perf ./a.out
>  perf inject -j -i perf.data -o perf.data.jitted
>  perf report -i perf.data.jitted

Please include a changelog in the future so reviewers know what to look
out for in this new revision.  For example:

v2:
 * Fix foo in bar() [Bob]

(where Bob is the reviewer who requested the change)

> vandersonmr (2):
>   accel/tcg: adding integration with linux perf
>   tb-stats: adding TBStatistics info into perf dump
> 
>  accel/tcg/Makefile.objs      |   1 +
>  accel/tcg/perf/Makefile.objs |   1 +
>  accel/tcg/perf/jitdump.c     | 206 +++++++++++++++++++++++++++++++++++
>  accel/tcg/perf/jitdump.h     |  36 ++++++
>  accel/tcg/translate-all.c    |  14 +++
>  include/qemu-common.h        |   3 +
>  linux-user/main.c            |   7 ++
>  os-posix.c                   |   3 +
>  qemu-options.hx              |  11 ++
>  9 files changed, 282 insertions(+)
>  create mode 100644 accel/tcg/perf/Makefile.objs
>  create mode 100644 accel/tcg/perf/jitdump.c
>  create mode 100644 accel/tcg/perf/jitdump.h
> 
> -- 
> 2.22.0
> 
>

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