Re: [PATCH v2 0/3] Add some perf support for mips
From: Arnaldo Carvalho de Melo
Date: Thu Feb 25 2021 - 08:11:16 EST
Em Thu, Feb 25, 2021 at 09:49:56AM -0300, Arnaldo Carvalho de Melo escreveu:
>
Em Wed, Feb 24, 2021 at 10:16:55AM -0300, Arnaldo Carvalho de Melo escreveu:
>
> Em Mon, Feb 22, 2021 at 02:43:39PM +0800, Tiezhu Yang escreveu:
>
> > On 02/04/2021 11:35 AM, Tiezhu Yang wrote:
>
> > > v2: add R26 and R27 to the enum perf_event_mips_regs in patch #1
>
> > >
>
> > > Tiezhu Yang (3):
>
> > > MIPS: kernel: Support extracting off-line stack traces from user-space
>
> > > with perf
>
> > > perf tools: Support mips unwinding and dwarf-regs
>
> > > perf tools: Generate mips syscalls_n64.c syscall table
>
> >
>
> > Hi Arnaldo,
>
> >
>
> > The kernel part patch #1 has been merged.
>
> > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1ddc96bd42da
>
> >
>
> > Could the perf tool patches #2 and #3 have a chance to be merged before
>
> > 5.12-rc1?
>
> > If yes, we can use this feature in 5.12-rc1.
>
>
>
> Thanks, applied, should make it into 5.12-rc1.
>
>
First we'll have to fix this problem:
>
>
28 12.45 debian:experimental-x-mips64 : FAIL gcc version 10.2.1 20201224 (Debian 10.2.1-3)
>
from builtin-diff.c:12:
>
/git/linux/tools/perf/arch/mips/include/perf_regs.h:7:10: fatal error: asm/perf_regs.h: No such file or directory
>
7 | #include <asm/perf_regs.h>
>
| ^~~~~~~~~~~~~~~~~
>
compilation terminated.
>
In file included from util/perf_regs.h:30,
>
from util/event.h:15,
>
from util/branch.h:15,
>
from util/callchain.h:8,
>
from builtin-record.c:16:
>
/git/linux/tools/perf/arch/mips/include/perf_regs.h:7:10: fatal error: asm/perf_regs.h: No such file or directory
I'm not finding it in the debian cross build packages:
root@d77a78c0aa1c:/# apt-file find perf_regs.h | grep cross
linux-libc-dev-amd64-cross: /usr/x86_64-linux-gnu/include/asm/perf_regs.h
linux-libc-dev-arm64-cross: /usr/aarch64-linux-gnu/include/asm/perf_regs.h
linux-libc-dev-armel-cross: /usr/arm-linux-gnueabi/include/asm/perf_regs.h
linux-libc-dev-armhf-cross: /usr/arm-linux-gnueabihf/include/asm/perf_regs.h
linux-libc-dev-i386-cross: /usr/i686-linux-gnu/include/asm/perf_regs.h
linux-libc-dev-powerpc-cross: /usr/powerpc-linux-gnu/include/asm/perf_regs.h
linux-libc-dev-ppc64-cross: /usr/powerpc64-linux-gnu/include/asm/perf_regs.h
linux-libc-dev-ppc64el-cross: /usr/powerpc64le-linux-gnu/include/asm/perf_regs.h
linux-libc-dev-riscv64-cross: /usr/riscv64-linux-gnu/include/asm/perf_regs.h
linux-libc-dev-s390x-cross: /usr/s390x-linux-gnu/include/asm/perf_regs.h
linux-libc-dev-x32-cross: /usr/x86_64-linux-gnux32/include/asm/perf_regs.h
root@d77a78c0aa1c:/#
Ideas?
- Arnaldo