Re: limits.h in tools/

From: Arnaldo Carvalho de Melo
Date: Tue Apr 23 2024 - 15:22:16 EST

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In reply to: Andy Shevchenko: "limits.h in tools/"
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On Tue, Apr 23, 2024 at 09:58:07PM +0300, Andy Shevchenko wrote:
> It seems tons of the code in tools include linux/limits.h. But I haven't found
> where do we copy it. Any pointers?
>
> Based on the discussion 20220603183231.15159C385A9@xxxxxxxxxxxxxxx.

⬢[acme@toolbox perf-tools-next]$ diff -u /usr/include/linux/limits.h include/uapi/linux/limits.h
--- /usr/include/linux/limits.h 2024-01-31 21:00:00.000000000 -0300
+++ include/uapi/linux/limits.h 2024-02-03 16:18:02.652000641 -0300
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#ifndef _LINUX_LIMITS_H
-#define _LINUX_LIMITS_H
+#ifndef _UAPI_LINUX_LIMITS_H
+#define _UAPI_LINUX_LIMITS_H

#define NR_OPEN 1024

⬢[acme@toolbox perf-tools-next]$

And in the places where I test build perf I saw no problem so far, the
build failures below are unrelated, but still outstanding, see below.

But then is for building tools/, not the kernel, right? The discussion
you said this question was based on is about changing
include/linux/xarray.h, a kernel file, so should really be including
just kernel headers, files in the kernel source tree, outside tools/, I
don't see where what tools/ uses to build is relevant here? Can you
please elaborate?

- Arnaldo

1 113.99 almalinux:8 : Ok gcc (GCC) 8.5.0 20210514 (Red Hat 8.5.0-20) , clang version 16.0.6 (Red Hat 16.0.6-2.module_el8.9.0+3621+df7f7146) flex 2.6.1
2 90.56 almalinux:9 : Ok gcc (GCC) 11.4.1 20230605 (Red Hat 11.4.1-2) , clang version 16.0.6 (Red Hat 16.0.6-1.el9) flex 2.6.4
3 96.32 alpine:3.15 : Ok gcc (Alpine 10.3.1_git20211027) 10.3.1 20211027 , Alpine clang version 12.0.1 flex 2.6.4
4 95.11 alpine:3.16 : Ok gcc (Alpine 11.2.1_git20220219) 11.2.1 20220219 , Alpine clang version 13.0.1 flex 2.6.4
5 80.81 alpine:3.17 : Ok gcc (Alpine 12.2.1_git20220924-r4) 12.2.1 20220924 , Alpine clang version 15.0.7 flex 2.6.4
6 75.39 alpine:3.18 : Ok gcc (Alpine 12.2.1_git20220924-r10) 12.2.1 20220924 , Alpine clang version 16.0.6 flex 2.6.4
7 85.18 alpine:3.19 : Ok gcc (Alpine 13.2.1_git20231014) 13.2.1 20231014 , Alpine clang version 17.0.5 flex 2.6.4
8 86.89 alpine:edge : Ok gcc (Alpine 13.2.1_git20240309) 13.2.1 20240309 , Alpine clang version 17.0.6 flex 2.6.4
9 60.25 amazonlinux:2 : Ok gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-17) , clang version 11.1.0 (Amazon Linux 2 11.1.0-1.amzn2.0.2) flex 2.5.37
10 78.11 amazonlinux:2023 : Ok gcc (GCC) 11.4.1 20230605 (Red Hat 11.4.1-2) , clang version 15.0.7 (Amazon Linux 15.0.7-3.amzn2023.0.1) flex 2.6.4
11 77.00 amazonlinux:devel : Ok gcc (GCC) 11.3.1 20221121 (Red Hat 11.3.1-4) , clang version 15.0.6 (Amazon Linux 15.0.6-3.amzn2023.0.2) flex 2.6.4
12 96.53 archlinux:base : Ok gcc (GCC) 13.2.1 20230801 , clang version 17.0.6 flex 2.6.4
13 80.73 centos:stream : Ok gcc (GCC) 8.5.0 20210514 (Red Hat 8.5.0-21) , clang version 17.0.6 (Red Hat 17.0.6-1.module_el8+767+9fa966b8) flex 2.6.1
14 76.60 clearlinux:latest : Ok gcc (Clear Linux OS for Intel Architecture) 13.2.1 20240402 releases/gcc-13.2.0-946-g11f37868bb , clang version 17.0.6 flex 2.6.4
15 52.34 debian:10 : Ok gcc (Debian 8.3.0-6) 8.3.0 , Debian clang version 11.0.1-2~deb10u1 flex 2.6.4
16 69.91 debian:11 : Ok gcc (Debian 10.2.1-6) 10.2.1 20210110 , Debian clang version 13.0.1-6~deb11u1 flex 2.6.4
17 69.93 debian:12 : Ok gcc (Debian 12.2.0-14) 12.2.0 , Debian clang version 14.0.6 flex 2.6.4
18 73.52 debian:experimental : Ok gcc (Debian 13.2.0-23) 13.2.0 , Debian clang version 16.0.6 (24) flex 2.6.4
19 4.22 debian:experimental-x-arm64 : FAIL gcc version 13.2.0 (Debian 13.2.0-12)
from libbpf.c:36:
/git/perf-6.9.0-rc5/tools/include/uapi/asm/bpf_perf_event.h:2:10: fatal error: ../../arch/arm64/include/uapi/asm/bpf_perf_event.h: No such file or directory
2 | #include "../../arch/arm64/include/uapi/asm/bpf_perf_event.h"
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
CC /tmp/build/perf/libbpf/staticobjs/zip.o
CC /tmp/build/perf/libbpf/staticobjs/elf.o
CC /tmp/build/perf/libbpf/staticobjs/features.o
LD /tmp/build/perf/libapi/fs/libapi-in.o
In file included from /git/perf-6.9.0-rc5/tools/include/uapi/linux/bpf_perf_event.h:11,
from libbpf.c:36:
/git/perf-6.9.0-rc5/tools/include/uapi/asm/bpf_perf_event.h:2:10: fatal error: ../../arch/arm64/include/uapi/asm/bpf_perf_event.h: No such file or directory
2 | #include "../../arch/arm64/include/uapi/asm/bpf_perf_event.h"
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
make[4]: *** [/git/perf-6.9.0-rc5/tools/build/Makefile.build:105: /tmp/build/perf/libbpf/staticobjs/libbpf.o] Error 1
make[4]: *** Waiting for unfinished jobs....
LD /tmp/build/perf/libapi/libapi-in.o
AR /tmp/build/perf/libapi/libapi.a
LD /tmp/build/perf/libperf/libperf-in.o
20 13.87 debian:experimental-x-mips : Ok mips-linux-gnu-gcc (Debian 12.3.0-6) 12.3.0 flex 2.6.4
21 14.02 debian:experimental-x-mips64 : Ok mips64-linux-gnuabi64-gcc (Debian 12.3.0-6) 12.3.0 flex 2.6.4
22 14.20 debian:experimental-x-mipsel : Ok mipsel-linux-gnu-gcc (Debian 12.3.0-6) 12.3.0 flex 2.6.4
23 81.08 fedora:35 : Ok gcc (GCC) 11.3.1 20220421 (Red Hat 11.3.1-3) , clang version 13.0.1 (Fedora 13.0.1-1.fc35) flex 2.6.4
24 80.55 fedora:36 : Ok gcc (GCC) 12.2.1 20221121 (Red Hat 12.2.1-4) , clang version 14.0.5 (Fedora 14.0.5-2.fc36) flex 2.6.4
25 78.80 fedora:37 : Ok gcc (GCC) 12.3.1 20230508 (Red Hat 12.3.1-1) , clang version 15.0.7 (Fedora 15.0.7-2.fc37) flex 2.6.4
26 72.57 fedora:38 : Ok gcc (GCC) 13.2.1 20231011 (Red Hat 13.2.1-4) , clang version 16.0.6 (Fedora 16.0.6-4.fc38) flex 2.6.4
27 67.84 fedora:39 : Ok gcc (GCC) 13.2.1 20240316 (Red Hat 13.2.1-7) , clang version 17.0.6 (Fedora 17.0.6-2.fc39) flex 2.6.4
28 76.14 fedora:40 : Ok gcc (GCC) 14.0.1 20240411 (Red Hat 14.0.1-0) , clang version 18.1.1 (Fedora 18.1.1-1.fc40) flex 2.6.4
29 72.49 fedora:rawhide : Ok gcc (GCC) 14.0.1 20240411 (Red Hat 14.0.1-0) , clang version 18.1.3 (Fedora 18.1.3-2.fc41) flex 2.6.4
30 27.98 gentoo:stage3 : Ok gcc (Gentoo 13.2.1_p20240210 p14) 13.2.1 20240210 flex 2.6.4
31 83.73 manjaro:base : Ok gcc (GCC) 13.2.1 20230801 , clang version 16.0.6 flex 2.6.4
32 94.35 opensuse:15.4 : Ok gcc (SUSE Linux) 7.5.0 , clang version 15.0.7 flex 2.6.4
33 97.90 opensuse:15.5 : Ok gcc (SUSE Linux) 7.5.0 , clang version 15.0.7 flex 2.6.4
34 93.92 opensuse:tumbleweed : Ok gcc (SUSE Linux) 13.2.1 20240206 [revision 67ac78caf31f7cb3202177e6428a46d829b70f23] , clang version 17.0.6 flex 2.6.4
35 81.04 oraclelinux:8 : Ok gcc (GCC) 8.5.0 20210514 (Red Hat 8.5.0-20.0.3) , clang version 16.0.6 (Red Hat 16.0.6-2.0.1.module+el8.9.0+90129+d3ee8717) flex 2.6.1
36 78.68 oraclelinux:9 : Ok gcc (GCC) 11.4.1 20230605 (Red Hat 11.4.1-2.1.0.1) , clang version 16.0.6 (Red Hat 16.0.6-1.0.1.el9) flex 2.6.4
37 83.49 rockylinux:8 : Ok gcc (GCC) 8.5.0 20210514 (Red Hat 8.5.0-20) , clang version 16.0.6 (Red Hat 16.0.6-2.module+el8.9.0+1651+e10a8f6d) flex 2.6.1
38 80.23 rockylinux:9 : Ok gcc (GCC) 11.4.1 20230605 (Red Hat 11.4.1-2) , clang version 16.0.6 (Red Hat 16.0.6-1.el9) flex 2.6.4
39 23.87 ubuntu:18.04 : Ok gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0 flex 2.6.4
40 15.99 ubuntu:18.04-x-arm : Ok arm-linux-gnueabihf-gcc (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0 flex 2.6.4
41 3.33 ubuntu:18.04-x-arm64 : FAIL gcc version 7.5.0 (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04)
from libbpf.c:36:
/git/perf-6.9.0-rc5/tools/include/uapi/asm/bpf_perf_event.h:2:10: fatal error: ../../arch/arm64/include/uapi/asm/bpf_perf_event.h: No such file or directory
#include "../../arch/arm64/include/uapi/asm/bpf_perf_event.h"
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
LD /tmp/build/perf/libapi/libapi-in.o
AR /tmp/build/perf/libapi/libapi.a
LD /tmp/build/perf/libperf/libperf-in.o
AR /tmp/build/perf/libperf/libperf.a
In file included from /git/perf-6.9.0-rc5/tools/include/uapi/linux/bpf_perf_event.h:11:0,
from libbpf.c:36:
/git/perf-6.9.0-rc5/tools/include/uapi/asm/bpf_perf_event.h:2:10: fatal error: ../../arch/arm64/include/uapi/asm/bpf_perf_event.h: No such file or directory
#include "../../arch/arm64/include/uapi/asm/bpf_perf_event.h"
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
/git/perf-6.9.0-rc5/tools/build/Makefile.build:105: recipe for target '/tmp/build/perf/libbpf/staticobjs/libbpf.o' failed
make[4]: *** [/tmp/build/perf/libbpf/staticobjs/libbpf.o] Error 1
make[4]: *** Waiting for unfinished jobs....
LD /tmp/build/perf/libsubcmd/libsubcmd-in.o
AR /tmp/build/perf/libsubcmd/libsubcmd.a
42 15.36 ubuntu:18.04-x-powerpc : Ok powerpc-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0 flex 2.6.4
43 15.91 ubuntu:18.04-x-powerpc64 : Ok powerpc64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0 flex 2.6.4
44 15.80 ubuntu:18.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0 flex 2.6.4
45 3.36 ubuntu:18.04-x-riscv64 : FAIL gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04)
from libbpf.c:36:
/git/perf-6.9.0-rc5/tools/include/uapi/asm/bpf_perf_event.h:8:10: fatal error: ../../arch/riscv/include/uapi/asm/bpf_perf_event.h: No such file or directory
#include "../../arch/riscv/include/uapi/asm/bpf_perf_event.h"
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
CC /tmp/build/perf/libbpf/staticobjs/zip.o
CC /tmp/build/perf/libbpf/staticobjs/elf.o
AR /tmp/build/perf/libperf/libperf.a
CC /tmp/build/perf/libbpf/staticobjs/features.o
In file included from /git/perf-6.9.0-rc5/tools/include/uapi/linux/bpf_perf_event.h:11:0,
from libbpf.c:36:
/git/perf-6.9.0-rc5/tools/include/uapi/asm/bpf_perf_event.h:8:10: fatal error: ../../arch/riscv/include/uapi/asm/bpf_perf_event.h: No such file or directory
#include "../../arch/riscv/include/uapi/asm/bpf_perf_event.h"
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
/git/perf-6.9.0-rc5/tools/build/Makefile.build:105: recipe for target '/tmp/build/perf/libbpf/staticobjs/libbpf.o' failed
make[4]: *** [/tmp/build/perf/libbpf/staticobjs/libbpf.o] Error 1
make[4]: *** Waiting for unfinished jobs....
LD /tmp/build/perf/libsubcmd/libsubcmd-in.o
AR /tmp/build/perf/libsubcmd/libsubcmd.a
46 3.53 ubuntu:18.04-x-s390 : FAIL gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04)
from libbpf.c:36:
/git/perf-6.9.0-rc5/tools/include/uapi/asm/bpf_perf_event.h:6:10: fatal error: ../../arch/s390/include/uapi/asm/bpf_perf_event.h: No such file or directory
#include "../../arch/s390/include/uapi/asm/bpf_perf_event.h"
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
LD /tmp/build/perf/libapi/libapi-in.o
AR /tmp/build/perf/libapi/libapi.a
LD /tmp/build/perf/libperf/libperf-in.o
AR /tmp/build/perf/libperf/libperf.a
In file included from /git/perf-6.9.0-rc5/tools/include/uapi/linux/bpf_perf_event.h:11:0,
from libbpf.c:36:
/git/perf-6.9.0-rc5/tools/include/uapi/asm/bpf_perf_event.h:6:10: fatal error: ../../arch/s390/include/uapi/asm/bpf_perf_event.h: No such file or directory
#include "../../arch/s390/include/uapi/asm/bpf_perf_event.h"
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
/git/perf-6.9.0-rc5/tools/build/Makefile.build:105: recipe for target '/tmp/build/perf/libbpf/staticobjs/libbpf.o' failed
make[4]: *** [/tmp/build/perf/libbpf/staticobjs/libbpf.o] Error 1
make[4]: *** Waiting for unfinished jobs....
LD /tmp/build/perf/libsubcmd/libsubcmd-in.o
AR /tmp/build/perf/libsubcmd/libsubcmd.a
47 15.73 ubuntu:18.04-x-sh4 : Ok sh4-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0 flex 2.6.4
48 14.17 ubuntu:18.04-x-sparc64 : Ok sparc64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0 flex 2.6.4
49 23.06 ubuntu:20.04 : Ok gcc (Ubuntu 9.4.0-1ubuntu1~20.04.2) 9.4.0 flex 2.6.4
50 16.36 ubuntu:20.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu 10.5.0-1ubuntu1~20.04) 10.5.0 flex 2.6.4
51 127.69 ubuntu:22.04 : Ok gcc (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0 , Ubuntu clang version 14.0.0-1ubuntu1.1 flex 2.6.4
52 2.87 ubuntu:22.04-x-riscv64 : FAIL gcc version 11.4.0 (Ubuntu 11.4.0-1ubuntu1~22.04)
from libbpf.c:36:
/git/perf-6.9.0-rc5/tools/include/uapi/asm/bpf_perf_event.h:8:10: fatal error: ../../arch/riscv/include/uapi/asm/bpf_perf_event.h: No such file or directory
8 | #include "../../arch/riscv/include/uapi/asm/bpf_perf_event.h"
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
CC /tmp/build/perf/libbpf/staticobjs/features.o
LD /tmp/build/perf/libapi/fs/libapi-in.o
LD /tmp/build/perf/libapi/libapi-in.o
AR /tmp/build/perf/libapi/libapi.a
In file included from /git/perf-6.9.0-rc5/tools/include/uapi/linux/bpf_perf_event.h:11,
from libbpf.c:36:
/git/perf-6.9.0-rc5/tools/include/uapi/asm/bpf_perf_event.h:8:10: fatal error: ../../arch/riscv/include/uapi/asm/bpf_perf_event.h: No such file or directory
8 | #include "../../arch/riscv/include/uapi/asm/bpf_perf_event.h"
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
make[4]: *** [/git/perf-6.9.0-rc5/tools/build/Makefile.build:105: /tmp/build/perf/libbpf/staticobjs/libbpf.o] Error 1
make[4]: *** Waiting for unfinished jobs....
LD /tmp/build/perf/libsubcmd/libsubcmd-in.o
AR /tmp/build/perf/libsubcmd/libsubcmd.a
make[3]: *** [Makefile:157: /tmp/build/perf/libbpf/staticobjs/libbpf-in.o] Error 2
53 88.66 ubuntu:23.04 : Ok gcc (Ubuntu 12.3.0-1ubuntu1~23.04) 12.3.0 , Ubuntu clang version 15.0.7 flex 2.6.4
54 75.72 ubuntu:23.10 : Ok gcc (Ubuntu 13.2.0-4ubuntu3) 13.2.0 , Ubuntu clang version 16.0.6 (15) flex 2.6.4
55 78.64 ubuntu:24.04 : Ok gcc (Ubuntu 13.2.0-23ubuntu4) 13.2.0 , Ubuntu clang version 18.1.2 (1ubuntu3) flex 2.6.4
BUILD_TARBALL_HEAD=3b8a6dcedaec6def48b3d597f3a8437938c3eaa4
56 3296.82

Next message: Luis Chamberlain: "[PATCH v2 1/2] tools: fix userspace compilation with new test_xarray changes"
Previous message: Klara Modin: "Re: [PATCH -next] cgroup/cpuset: Statically initialize more members of top_cpuset"
In reply to: Andy Shevchenko: "limits.h in tools/"
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