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SubjectRe: perf tools build broken after v5.1-rc1
Em Mon, Apr 22, 2019 at 12:20:27PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Fri, Apr 19, 2019 at 04:32:58PM -0700, Vineet Gupta escreveu:
> > When building perf for ARC (v5.1-rc2) I get the following
>
> > | In file included from bench/futex-hash.c:26:
> > | bench/futex.h: In function 'futex_wait':
> > | bench/futex.h:37:10: error: 'SYS_futex' undeclared (first use in this function);
>
> > git bisect led to 1a787fc5ba18ac767e635c58d06a0b46876184e3 ("tools headers uapi:
> > Sync copy of asm-generic/unistd.h with the kernel sources")
>
> Humm, I have to check why this:
>
> [perfbuilder@quaco ~]$ podman images | grep ARC
> docker.io/acmel/linux-perf-tools-build-fedora 24-x-ARC-uClibc 4c259582a8e6 5 weeks ago 846 MB
> [perfbuilder@quaco ~]$
>
> isn't catching this... :-\
>
> FROM docker.io/fedora:24
> MAINTAINER Arnaldo Carvalho de Melo <acme@kernel.org>
> ENV TOOLCHAIN=arc_gnu_2017.09-rc2_prebuilt_uclibc_le_arc700_linux_install
> ENV CROSS=arc-linux-
> ENV SOURCEFILE=${TOOLCHAIN}.tar.gz
> RUN dnf -y install make flex bison binutils gcc wget tar bzip2 bc findutils xz
> RUN wget https://github.com/foss-for-synopsys-dwc-arc-processors/toolchain/releases/download/arc-2017.09-rc2/${SOURCEFILE}
> <SNIP>
> COPY rx_and_build.sh /
> ENV EXTRA_MAKE_ARGS=NO_LIBBPF=1
> ENV ARCH=arc
> ENV CROSS_COMPILE=/${TOOLCHAIN}/bin/${CROSS}
> ENV EXTRA_CFLAGS=-matomic

So, now I have a libnuma crossbuilt in this container that allows me to
build a ARC perf binary linked with zlib and numactl-devel, but only
after I applied the fix below.

Can you please provide the feature detection header in the build? I.e.
what I have with my ARC cross build container right now, after applying
the patch below is:

[perfbuilder@60d5802468f6 perf]$ make $EXTRA_MAKE_ARGS ARCH=$ARCH CROSS_COMPILE=$CROSS_COMPILE EXTRA_CFLAGS="$EXTRA_CFLAGS" -C /git/perf/tools/perf O=/tmp/build/perf
make: Entering directory '/git/perf/tools/perf'
BUILD: Doing 'make -j8' parallel build
sh: line 0: command: -c: invalid option
command: usage: command [-pVv] command [arg ...]

Auto-detecting system features:
... dwarf: [ OFF ]
... dwarf_getlocations: [ OFF ]
... glibc: [ on ]
... gtk2: [ OFF ]
... libaudit: [ OFF ]
... libbfd: [ OFF ]
... libelf: [ OFF ]
... libnuma: [ on ]
... numa_num_possible_cpus: [ on ]
... libperl: [ OFF ]
... libpython: [ OFF ]
... libslang: [ OFF ]
... libcrypto: [ OFF ]
... libunwind: [ OFF ]
... libdw-dwarf-unwind: [ OFF ]
... zlib: [ OFF ]
... lzma: [ OFF ]
... get_cpuid: [ OFF ]
... bpf: [ on ]
... libaio: [ OFF ]
... disassembler-four-args: [ OFF ]

Makefile.config:339: No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel
Makefile.config:473: No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev
Makefile.config:548: Disabling post unwind, no support found.
Makefile.config:601: No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev
Makefile.config:613: No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev
Makefile.config:628: slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev
Makefile.config:642: GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev
Makefile.config:669: Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev
Makefile.config:696: No python interpreter was found: disables Python support - please install python-devel/python-dev
Makefile.config:785: No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev
Makefile.config:853: No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev
make: Leaving directory '/git/perf/tools/perf'
[perfbuilder@60d5802468f6 perf]$ export
declare -x ARCH="arc"
declare -x CROSS="arc-linux-"
declare -x CROSS_COMPILE="/arc_gnu_2019.03-rc1_prebuilt_uclibc_le_archs_linux_install/bin/arc-linux-"
declare -x DISTTAG="f30container"
declare -x EXTRA_CFLAGS="-matomic"
declare -x EXTRA_MAKE_ARGS="NO_LIBBPF=1"
declare -x FBR="f30"
declare -x FGC="f30"
declare -x NUMACTL_SOURCEFILE="github.com-numactl-numactl-archive-master-2019-04-25.zip"
declare -x PATH="/home/perfbuilder/.local/bin:/home/perfbuilder/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
declare -x SOURCEFILE="arc_gnu_2019.03-rc1_prebuilt_uclibc_le_archs_linux_install.tar.gz"
declare -x TOOLCHAIN="arc_gnu_2019.03-rc1_prebuilt_uclibc_le_archs_linux_install"
declare -x container="podman"
[perfbuilder@60d5802468f6 perf]$

commit dd617baf28925cf72fce309232ad9178452e75ab
Author: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Thu Apr 25 18:36:51 2019 -0300

perf bench numa: Add define for RUSAGE_THREAD if not present

While cross building perf to the ARC architecture on a fedora 30 host,
we were failing with:

CC /tmp/build/perf/bench/numa.o
bench/numa.c: In function ‘worker_thread’:
bench/numa.c:1261:12: error: ‘RUSAGE_THREAD’ undeclared (first use in this function); did you mean ‘SIGEV_THREAD’?
getrusage(RUSAGE_THREAD, &rusage);
^~~~~~~~~~~~~
SIGEV_THREAD
bench/numa.c:1261:12: note: each undeclared identifier is reported only once for each function it appears in

[perfbuilder@60d5802468f6 perf]$ /arc_gnu_2019.03-rc1_prebuilt_uclibc_le_archs_linux_install/bin/arc-linux-gcc --version | head -1
arc-linux-gcc (ARCv2 ISA Linux uClibc toolchain 2019.03-rc1) 8.3.1 20190225
[perfbuilder@60d5802468f6 perf]$

Trying to reproduce a report by Vineet, I noticed that, with just
cross-built zlib and numactl libraries, I ended up with the above
failure.

So, since RUSAGE_THREAD is available as a define, check for that and
numactl libraries, I ended up with the above failure.

So, since RUSAGE_THREAD is available as a define in the system headers,
check if it is defined in the 'perf bench numa' sources and define it if
not.

Now it builds and I have to figure out if the problem reported by Vineet
only takes place if we have libelf or some other library available.

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: linux-snps-arc@lists.infradead.org
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Link: https://lkml.kernel.org/n/tip-2wb4r1gir9xrevbpq7qp0amk@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c
index 98ad783efc69..a7784554a80d 100644
--- a/tools/perf/bench/numa.c
+++ b/tools/perf/bench/numa.c
@@ -39,6 +39,10 @@
#include <numa.h>
#include <numaif.h>

+#ifndef RUSAGE_THREAD
+# define RUSAGE_THREAD 1
+#endif
+
/*
* Regular printout to the terminal, supressed if -q is specified:
*/
\
 
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