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Date:   Wed, 16 Dec 2020 19:14:02 +0800
From:   Jiaxun Yang <jiaxun.yang@...goat.com>
To:     Tiezhu Yang <yangtiezhu@...ngson.cn>, linux-mips@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Xuefeng Li <lixuefeng@...ngson.cn>,
        Juxin Gao <gaojuxin@...ngson.cn>,
        Archer Yan <ayan@...ecomp.com>,
        David Daney <david.daney@...ium.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>
Subject: Re: [QUESTION] support perf record --call-graph dwarf for mips



在 2020/12/16 下午6:05, Tiezhu Yang 写道:
> Hi,
>
> In the current upstream mainline kernel, perf record --call-graph dwarf
> is not supported for architecture mips64. I find the following related
> patches about this feature by David Daney <david.daney@...ium.com> and
> Archer Yan <ayan@...ecomp.com> in Sep 2019.

AFAIK ddaney left Cavium at 2018 and Wave Computing Shanghai is defuncted...

Feel free to take over if you like, there is no licenses issue, just 
remember to credit
others properly.

- Jiaxun


>
> [1/2] Support mips unwinding and dwarf-regs
> https://lore.kernel.org/patchwork/patch/1126521/
>
> [2/2] Support extracting off-line stack traces from user-space with perf
> https://lore.kernel.org/patchwork/patch/1126520/
>
> Is this a work in progress?
> Could you please give me some feedback?
> Thank you for your help.
>
> Thanks,
> Tiezhu

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