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Date: Mon, 5 Jan 2015 11:46:16 +0100
From: Jiri Olsa <jolsa@redhat.com>
To: Andy Lutomirski <luto@amacapital.net>
Cc: Ingo Molnar <mingo@redhat.com>, Peter Zijlstra <peterz@infradead.org>,
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        David Ahern <dsahern@gmail.com>, Paul Mackerras <paulus@samba.org>,
        Yanmin Zhang <yanmin.zhang@intel.com>
Subject: Re: [PATCH 0/2] perf: Improve user regs sampling
Message-ID: <20150105104616.GA21260@krava.brq.redhat.com>
References: <20150104174105.GA29388@krava.brq.redhat.com>
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On Sun, Jan 04, 2015 at 10:36:18AM -0800, Andy Lutomirski wrote:
> This seems to improve the situation on x86_64 from almost entirely
> broken to mostly working.  Tested with:
> 
> perf record -e cycles --call-graph=dwarf ls

looks good to me.. also:

Tested-by: Jiri Olsa <jolsa@kernel.org>

thanks,
jirka

> 
> Andy Lutomirski (2):
>   perf: Move task_pt_regs sampling into arch code
>   x86_64, perf: Improve user regs sampling
> 
>  arch/arm/kernel/perf_regs.c   |  8 ++++
>  arch/arm64/kernel/perf_regs.c |  8 ++++
>  arch/x86/kernel/perf_regs.c   | 90 +++++++++++++++++++++++++++++++++++++++++++
>  include/linux/perf_event.h    | 12 +++---
>  include/linux/perf_regs.h     | 16 ++++++++
>  kernel/events/core.c          | 19 ++++-----
>  6 files changed, 137 insertions(+), 16 deletions(-)
> 
> -- 
> 2.1.0
>