Em Fri, Feb 26, 2021 at 09:11:17AM +0800, Tiezhu Yang escreveu: > On 02/25/2021 09:12 PM, Arnaldo Carvalho de Melo wrote: > > Em Thu, Feb 25, 2021 at 10:10:12AM -0300, Arnaldo Carvalho de Melo escreveu: > > > 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 > > Sorry for the late reply. I asked for a leave yesterday. > > asm/perf_regs.h is a new added file in the patch #1, > the patch link is: > https://lore.kernel.org/patchwork/patch/1375477/ > the commit is: > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/mips/include/uapi/asm/perf_regs.h?id=1ddc96bd42da > > So we should build patch #2 based on patch #1. yeah, my bad, since perf wasn't supported on MIPS, how could cross build environments have the needed files? Stooooopid me, sorry. :-) I'll retest after adding the needed files to my test containers. - Arnaldo > Thanks, > Tiezhu > > > > 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? > > Trying with: > > > > [perfbuilder@five x-mips]$ db > > acmel/linux-perf-tools-build-ubuntu:19.10-x-mips > > STEP 1: FROM ubuntu:21.04 > > STEP 2: MAINTAINER Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> > > STEP 3: ENV ARCH mips > > STEP 4: ENV TARGET mips-linux-gnu > > STEP 5: ENV CROSS_COMPILE=${TARGET}- > > STEP 6: RUN apt-get -y update && apt-get -y install make gcc-${TARGET} g++-${TARGET} flex bison git python3 && apt-get -y install curl wget bzip2 xz-utils file && export ELFUTILS_VER=0.173 && export ZLIB_VER=1.2.11 && export INSTALLDIR=/usr/${TARGET} && export PATH=$INSTALLDIR/bin:$PATH && export TARGETMACH=${TARGET} && export CROSS=${TARGET}- && export CC=${CROSS}gcc && export LD=${CROSS}ld && export AS=${CROSS}as && wget -q http://zlib.net/zlib-${ZLIB_VER}.tar.gz && wget -q https://fedorahosted.org/releases/e/l/elfutils/${ELFUTILS_VER}/elfutils-${ELFUTILS_VER}.tar.bz2 && tar xf zlib-${ZLIB_VER}.tar.gz && cd zlib-${ZLIB_VER} && ./configure --prefix=${INSTALLDIR} && make && make install && cd .. && rm -rf zlib-${ZLIB_VER} && rm -f zlib-${ZLIB_VER}.tar.gz && tar xf elfutils-${ELFUTILS_VER}.tar.bz2 && cd elfutils-${ELFUTILS_VER} && ./configure --host=${TARGET} --prefix=${INSTALLDIR} && make && make install && cd .. && rm -rf elfutils-${ELFUTILS_VER}* && git clone https://github.com/Linaro/OpenCSD.git && make -C OpenCSD/decoder/build/linux/ CROSS_COMPILE=${CROSS} install && rm -rf OpenCSD && apt-get -y remove wget bzip2 && apt-get -y clean && unset TARGET INSTALLDIR TARGETMACH CROSS CC LD AS && mkdir -m 777 -p /git /tmp/build/perf /tmp/build/objtool /tmp/build/linux && groupadd -r perfbuilder && useradd -m -r -g perfbuilder perfbuilder && chown -R perfbuilder.perfbuilder /tmp/build/ /git/ > -- - Arnaldo
