Re: [PATCH 0/2] perf: Improve user regs sampling

From: Jiri Olsa
Date: Mon Jan 05 2015 - 05:47:22 EST


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@xxxxxxxxxx>

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
>
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