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Date:   Wed, 16 Dec 2020 18:05:40 +0800
From:   Tiezhu Yang <yangtiezhu@...ngson.cn>
To:     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: [QUESTION] support perf record --call-graph dwarf for mips

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.

[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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