Re: [PATCH/RFC 0/4] perf kvm: add stat support for s390

From: Christian Borntraeger
Date: Thu Jul 03 2014 - 11:07:31 EST


On 03/07/14 16:29, Alexander Yarygin wrote:
> Currently, a lot of code in buildin-kvm.c are x86 specific.
> In accordance with the proposal of David Ahern, we moved the code under
> #ifdefs from buildin-kvm.c into tools/perf/arch/*/kvm-stat.c. Architecture
> specific constants were added in arch/*/include/uapi/perf-kvm.h. Also,
> generic perf kvm stat structures were moved into the new file util/kvm-stat.h.
>
> So, patches 1-3 reduce architecture dependency of buildin-kvm.c.
> Patch 4 implements s390 specific functions. Since some events on s390
> can have tree-like structure, the patch also adds functions to handle
> these events in generic code.
>
> The patch set based on linux-3.16-rc1 including patches in
> "perf kvm: refactoring and small changes".
>
> Link to the "perf kvm: refactoring and small changes" patch series:
> https://lkml.org/lkml/2014/7/3/461
> Link to the previous thread: https://lkml.org/lkml/2014/4/25/331
>
> Alexander Yarygin (4):
> perf kvm: Use defines of kvm events
> perf kvm: Move arch specific code into arch/
> perf kvm: Add skip_event() for --duration option
> perf kvm: Add stat support on s390
>
> arch/s390/include/uapi/asm/Kbuild | 1 +
> arch/s390/include/uapi/asm/kvm_perf.h | 25 +++
> arch/x86/include/uapi/asm/Kbuild | 1 +
> arch/x86/include/uapi/asm/kvm_perf.h | 16 ++
> tools/perf/Documentation/perf-kvm.txt | 10 +-
> tools/perf/MANIFEST | 3 +
> tools/perf/Makefile.perf | 1 +
> tools/perf/arch/s390/Makefile | 2 +
> tools/perf/arch/s390/util/kvm-stat.c | 105 +++++++++
> tools/perf/arch/x86/Makefile | 1 +
> tools/perf/arch/x86/util/kvm-stat.c | 156 ++++++++++++++
> tools/perf/builtin-kvm.c | 384 +++++++++------------------------
> tools/perf/util/kvm-stat.h | 140 ++++++++++++
> 13 files changed, 561 insertions(+), 284 deletions(-)
> create mode 100644 arch/s390/include/uapi/asm/kvm_perf.h
> create mode 100644 arch/x86/include/uapi/asm/kvm_perf.h
> create mode 100644 tools/perf/arch/s390/util/kvm-stat.c
> create mode 100644 tools/perf/arch/x86/util/kvm-stat.c
> create mode 100644 tools/perf/util/kvm-stat.h
>
> --
> 1.7.9.5


CC Paolo,

All patches, look sane and
Acked-by; Christian Borntraeger <borntraeger@xxxxxxxxxx>

Christian


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