Re: [tip:perf/core] perf probe: Support DW_OP_call_frame_cfa indebuginfo

From: Robert Richter
Date: Fri May 07 2010 - 16:04:58 EST


On 07.05.10 15:47:57, Masami Hiramatsu wrote:
> > Agreed. I'll check that what version can support current perf probe.
>
> OK, I've found that the CFI support has been added at last June,
> and elfutils-0.142 is released in last July.

Yes, that's the problem, I am using elfutils-0.131-r2.

> So, I think we can check whether CFI is supported or not by checking
> the version of elfutils, which can be done by _ELFUTILS_PREREQ() macro
> defined in elfutils/version.h

Looking forward to your fix.

Thanks,

-Robert

--
Advanced Micro Devices, Inc.
Operating System Research Center
email: robert.richter@xxxxxxx

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