Em Wed, Dec 16, 2020 at 07:14:02PM +0800, Jiaxun Yang escreveu: > > > 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@xxxxxxxxxx> and > > Archer Yan <ayan@xxxxxxxxxxxx> 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. Ralf, can you take a look at the kernel part? The user space part seems ok. - Arnaldo > > > [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
