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Date:   Wed, 16 Dec 2020 18:05:40 +0800
From:   Tiezhu Yang <>
Cc:, Xuefeng Li <>,
        Juxin Gao <>,
        Archer Yan <>,
        David Daney <>,
        Arnaldo Carvalho de Melo <>
Subject: [QUESTION] support perf record --call-graph dwarf for mips


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 <> and
Archer Yan <> in Sep 2019.

[1/2] Support mips unwinding and dwarf-regs

[2/2] Support extracting off-line stack traces from user-space with perf

Is this a work in progress?
Could you please give me some feedback?
Thank you for your help.


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