Re: ANNOUNCE: pahole v1.24 (Faster BTF encoding, 64-bit BTF enum entries)
From: Arnaldo Carvalho de Melo
Date: Wed Aug 24 2022 - 13:55:23 EST
Em Wed, Aug 24, 2022 at 02:15:36PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Wed, Aug 24, 2022 at 09:24:49AM -0700, Nathan Chancellor escreveu:
> > Hi Arnaldo,
> >
> > On Mon, Aug 22, 2022 at 08:28:42PM -0300, Arnaldo Carvalho de Melo wrote:
> > > Hi,
> > >
> > > The v1.24 release of pahole and its friends is out, with faster
> > > BTF generation by parallelizing the encoding part in addition to the
> > > previoulsy parallelized DWARF loading, support for 64-bit BTF enumeration
> > > entries, signed BTF encoding of 'char', exclude/select DWARF loading
> > > based on the language that generated the objects, etc.
> >
> > <snip>
> >
> > > - Introduce --lang and --lang_exclude to specify the language the
> > > DWARF compile units were originated from to use or filter.
> >
> > This appears to break building pahole with older versions of libdw (?).
> > I build container images with older versions of compilers for easy
> > matrix testing and my gcc-5 and gcc-6 images (based off Ubuntu Xenial
> > and Debian Stretch respectively) fail to build.
>
> I do it for perf, should have done it for pahole :-\
>
> So I'll have to come up with a patch that checks if those are defined
> and if not, define it :-\ Ooops, its an enumeration :-\ I'll have to
> check how to fix this, thanks for the report!
>
> Will rebuild it with the containers I have to see if there are other
> cases.
Yeah, recent enough distros are all building ok, I'll try and add some
fallback for old distros.
[perfbuilder@five ~]$ export BUILD_TARBALL=http://192.168.86.14/pahole/dwarves-1.24.tar.xz
[perfbuilder@five ~]$ export BUILD_CMD=buildcmd.sh
[perfbuilder@five ~]$ time dm
1 3.86 almalinux:8 : Ok gcc (GCC) 8.5.0 20210514 (Red Hat 8.5.0-4) , clang version 12.0.1 (Red Hat 12.0.1-4.module_el8.5.0+1025+93159d6c)
2 3.97 almalinux:9 : Ok gcc (GCC) 11.2.1 20220127 (Red Hat 11.2.1-9) , clang version 13.0.1 (Red Hat 13.0.1-1.el9)
3 1.06 alpine:3.9 : FAIL gcc version 8.3.0 (Alpine 8.3.0)
4 0.96 alpine:3.10 : FAIL gcc version 8.3.0 (Alpine 8.3.0)
5 0.86 alpine:3.11 : FAIL gcc version 9.3.0 (Alpine 9.3.0)
6 4.77 alpine:3.12 : Ok gcc (Alpine 9.3.0) 9.3.0 , Alpine clang version 10.0.0 (https://gitlab.alpinelinux.org/alpine/aports.git 7445adce501f8473efdb93b17b5eaf2f1445ed4c)
7 5.47 alpine:3.13 : Ok gcc (Alpine 10.2.1_pre1) 10.2.1 20201203 , Alpine clang version 10.0.1
8 5.57 alpine:3.14 : Ok gcc (Alpine 10.3.1_git20210424) 10.3.1 20210424 , Alpine clang version 11.1.0
9 5.37 alpine:3.15 : Ok gcc (Alpine 10.3.1_git20211027) 10.3.1 20211027 , Alpine clang version 12.0.1
10 5.67 alpine:3.16 : Ok gcc (Alpine 11.2.1_git20220219) 11.2.1 20220219 , Alpine clang version 13.0.1
11 5.67 alpine:edge : Ok gcc (Alpine 11.2.1_git20220219) 11.2.1 20220219 , Alpine clang version 14.0.6
12 2.96 alt:p8 : FAIL gcc version 5.3.1 20151207 (ALT p8 5.3.1-alt3.M80P.1) (GCC)
/git/dwarves-1.24/dwarves.c: In function 'lang__str2int':
/git/dwarves-1.24/dwarves.c:2093:3: error: 'DW_LANG_BLISS' undeclared (first use in this function)
[DW_LANG_BLISS] = "bliss",
^
/git/dwarves-1.24/dwarves.c:2093:3: note: each undeclared identifier is reported only once for each function it appears in
/git/dwarves-1.24/dwarves.c:2093:3: error: array index in initializer not of integer type
/git/dwarves-1.24/dwarves.c:2093:3: note: (near initialization for 'languages')
/git/dwarves-1.24/dwarves.c:2100:3: error: 'DW_LANG_C_plus_plus_03' undeclared (first use in this function)
[DW_LANG_C_plus_plus_03] = "c++03",
^
/git/dwarves-1.24/dwarves.c:2100:3: error: array index in initializer not of integer type
/git/dwarves-1.24/dwarves.c:2100:3: note: (near initialization for 'languages')
/git/dwarves-1.24/dwarves.c:2105:3: error: 'DW_LANG_Dylan' undeclared (first use in this function)
[DW_LANG_Dylan] = "dylan",
^
/git/dwarves-1.24/dwarves.c:2105:3: error: array index in initializer not of integer type
/git/dwarves-1.24/dwarves.c:2105:3: note: (near initialization for 'languages')
/git/dwarves-1.24/dwarves.c:2114:3: error: 'DW_LANG_Julia' undeclared (first use in this function)
[DW_LANG_Julia] = "julia",
^
/git/dwarves-1.24/dwarves.c:2114:3: error: array index in initializer not of integer type
/git/dwarves-1.24/dwarves.c:2114:3: note: (near initialization for 'languages')
/git/dwarves-1.24/dwarves.c:2116:3: error: 'DW_LANG_Modula3' undeclared (first use in this function)
[DW_LANG_Modula3] = "modula3",
^
/git/dwarves-1.24/dwarves.c:2116:3: error: array index in initializer not of integer type
/git/dwarves-1.24/dwarves.c:2116:3: note: (near initialization for 'languages')
/git/dwarves-1.24/dwarves.c:2119:3: error: 'DW_LANG_OCaml' undeclared (first use in this function)
[DW_LANG_OCaml] = "ocaml",
^
/git/dwarves-1.24/dwarves.c:2119:3: error: array index in initializer not of integer type
/git/dwarves-1.24/dwarves.c:2119:3: note: (near initialization for 'languages')
/git/dwarves-1.24/dwarves.c:2120:3: error: 'DW_LANG_OpenCL' undeclared (first use in this function)
[DW_LANG_OpenCL] = "opencl",
^
/git/dwarves-1.24/dwarves.c:2120:3: error: array index in initializer not of integer type
/git/dwarves-1.24/dwarves.c:2120:3: note: (near initialization for 'languages')
/git/dwarves-1.24/dwarves.c:2124:3: error: 'DW_LANG_RenderScript' undeclared (first use in this function)
[DW_LANG_RenderScript] = "renderscript",
^
/git/dwarves-1.24/dwarves.c:2124:3: error: array index in initializer not of integer type
/git/dwarves-1.24/dwarves.c:2124:3: note: (near initialization for 'languages')
/git/dwarves-1.24/dwarves.c:2125:3: error: 'DW_LANG_Rust' undeclared (first use in this function)
[DW_LANG_Rust] = "rust",
^
/git/dwarves-1.24/dwarves.c:2125:3: error: array index in initializer not of integer type
/git/dwarves-1.24/dwarves.c:2125:3: note: (near initialization for 'languages')
/git/dwarves-1.24/dwarves.c:2126:3: error: 'DW_LANG_Swift' undeclared (first use in this function)
[DW_LANG_Swift] = "swift",
^
/git/dwarves-1.24/dwarves.c:2126:3: error: array index in initializer not of integer type
/git/dwarves-1.24/dwarves.c:2126:3: note: (near initialization for 'languages')
make[2]: *** [CMakeFiles/dwarves.dir/dwarves.c.o] Error 1
13 4.07 alt:p9 : Ok x86_64-alt-linux-gcc (GCC) 8.4.1 20200305 (ALT p9 8.4.1-alt0.p9.1) , clang version 10.0.0
14 4.17 alt:p10 : Ok x86_64-alt-linux-gcc (GCC) 10.3.1 20210703 (ALT Sisyphus 10.3.1-alt2) , clang version 11.0.1
15 4.17 alt:sisyphus : Ok x86_64-alt-linux-gcc (GCC) 12.1.1 20220518 (ALT Sisyphus 12.1.1-alt1) , ALT Linux Team clang version 13.0.1
16 3.57 amazonlinux:2 : Ok gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-15) , clang version 11.1.0 (Amazon Linux 2 11.1.0-1.amzn2.0.2)
17 4.27 amazonlinux:devel : Ok gcc (GCC) 11.3.1 20220421 (Red Hat 11.3.1-2) , clang version 12.0.1 (Fedora 12.0.1-1.amzn2022)
18 4.87 archlinux:base : Ok gcc (GCC) 12.1.1 20220730 , clang version 14.0.6
19 3.77 centos:8 : Ok gcc (GCC) 8.4.1 20200928 (Red Hat 8.4.1-1) , clang version 11.0.1 (Red Hat 11.0.1-1.module_el8.4.0+966+2995ef20)
20 4.07 centos:stream : Ok gcc (GCC) 8.5.0 20210514 (Red Hat 8.5.0-15) , clang version 14.0.0 (Red Hat 14.0.0-1.module_el8.7.0+1142+5343df54)
21 4.87 clearlinux:latest : Ok gcc (Clear Linux OS for Intel Architecture) 12.1.1 20220811 releases/gcc-12.1.0-341-g28a7b5df3b
22 3.36 debian:9 : FAIL gcc version 6.3.0 20170516 (Debian 6.3.0-18+deb9u1)
/git/dwarves-1.24/dwarves.c: In function 'lang__str2int':
/git/dwarves-1.24/dwarves.c:2093:3: error: 'DW_LANG_BLISS' undeclared (first use in this function)
[DW_LANG_BLISS] = "bliss",
^~~~~~~~~~~~~
/git/dwarves-1.24/dwarves.c:2093:3: note: each undeclared identifier is reported only once for each function it appears in
/git/dwarves-1.24/dwarves.c:2093:3: error: array index in initializer not of integer type
/git/dwarves-1.24/dwarves.c:2093:3: note: (near initialization for 'languages')
/git/dwarves-1.24/dwarves.c:2100:3: error: 'DW_LANG_C_plus_plus_03' undeclared (first use in this function)
[DW_LANG_C_plus_plus_03] = "c++03",
^~~~~~~~~~~~~~~~~~~~~~
/git/dwarves-1.24/dwarves.c:2100:3: error: array index in initializer not of integer type
/git/dwarves-1.24/dwarves.c:2100:3: note: (near initialization for 'languages')
/git/dwarves-1.24/dwarves.c:2105:3: error: 'DW_LANG_Dylan' undeclared (first use in this function)
[DW_LANG_Dylan] = "dylan",
^~~~~~~~~~~~~
/git/dwarves-1.24/dwarves.c:2105:3: error: array index in initializer not of integer type
/git/dwarves-1.24/dwarves.c:2105:3: note: (near initialization for 'languages')
/git/dwarves-1.24/dwarves.c:2114:3: error: 'DW_LANG_Julia' undeclared (first use in this function)
[DW_LANG_Julia] = "julia",
^~~~~~~~~~~~~
/git/dwarves-1.24/dwarves.c:2114:3: error: array index in initializer not of integer type
/git/dwarves-1.24/dwarves.c:2114:3: note: (near initialization for 'languages')
/git/dwarves-1.24/dwarves.c:2116:3: error: 'DW_LANG_Modula3' undeclared (first use in this function)
[DW_LANG_Modula3] = "modula3",
^~~~~~~~~~~~~~~
/git/dwarves-1.24/dwarves.c:2116:3: error: array index in initializer not of integer type
/git/dwarves-1.24/dwarves.c:2116:3: note: (near initialization for 'languages')
/git/dwarves-1.24/dwarves.c:2119:3: error: 'DW_LANG_OCaml' undeclared (first use in this function)
[DW_LANG_OCaml] = "ocaml",
^~~~~~~~~~~~~
/git/dwarves-1.24/dwarves.c:2119:3: error: array index in initializer not of integer type
/git/dwarves-1.24/dwarves.c:2119:3: note: (near initialization for 'languages')
/git/dwarves-1.24/dwarves.c:2120:3: error: 'DW_LANG_OpenCL' undeclared (first use in this function)
[DW_LANG_OpenCL] = "opencl",
^~~~~~~~~~~~~~
/git/dwarves-1.24/dwarves.c:2120:3: error: array index in initializer not of integer type
/git/dwarves-1.24/dwarves.c:2120:3: note: (near initialization for 'languages')
/git/dwarves-1.24/dwarves.c:2124:3: error: 'DW_LANG_RenderScript' undeclared (first use in this function)
[DW_LANG_RenderScript] = "renderscript",
^~~~~~~~~~~~~~~~~~~~
/git/dwarves-1.24/dwarves.c:2124:3: error: array index in initializer not of integer type
/git/dwarves-1.24/dwarves.c:2124:3: note: (near initialization for 'languages')
/git/dwarves-1.24/dwarves.c:2125:3: error: 'DW_LANG_Rust' undeclared (first use in this function)
[DW_LANG_Rust] = "rust",
^~~~~~~~~~~~
/git/dwarves-1.24/dwarves.c:2125:3: error: array index in initializer not of integer type
/git/dwarves-1.24/dwarves.c:2125:3: note: (near initialization for 'languages')
/git/dwarves-1.24/dwarves.c:2126:3: error: 'DW_LANG_Swift' undeclared (first use in this function)
[DW_LANG_Swift] = "swift",
^~~~~~~~~~~~~
/git/dwarves-1.24/dwarves.c:2126:3: error: array index in initializer not of integer type
/git/dwarves-1.24/dwarves.c:2126:3: note: (near initialization for 'languages')
CMakeFiles/dwarves.dir/build.make:62: recipe for target 'CMakeFiles/dwarves.dir/dwarves.c.o' failed
make[2]: *** [CMakeFiles/dwarves.dir/dwarves.c.o] Error 1
23 4.08 debian:10 : Ok gcc (Debian 8.3.0-6) 8.3.0 , Debian clang version 11.0.1-2~deb10u1
24 3.97 debian:11 : Ok gcc (Debian 10.2.1-6) 10.2.1 20210110 , Debian clang version 11.0.1-2
25 4.77 debian:experimental : Ok gcc (Debian 12.1.0-7) 12.1.0 , Debian clang version 14.0.6-2
26 3.06 fedora:22 : FAIL gcc version 5.3.1 20160406 (Red Hat 5.3.1-6) (GCC)
/git/dwarves-1.24/dwarves.c: In function 'lang__str2int':
/git/dwarves-1.24/dwarves.c:2093:3: error: 'DW_LANG_BLISS' undeclared (first use in this function)
[DW_LANG_BLISS] = "bliss",
^
/git/dwarves-1.24/dwarves.c:2093:3: note: each undeclared identifier is reported only once for each function it appears in
27 3.06 fedora:24 : FAIL gcc version 6.3.1 20161221 (Red Hat 6.3.1-1) (GCC)
/git/dwarves-1.24/dwarves.c: In function 'lang__str2int':
/git/dwarves-1.24/dwarves.c:2093:3: error: 'DW_LANG_BLISS' undeclared (first use in this function)
[DW_LANG_BLISS] = "bliss",
^~~~~~~~~~~~~
/git/dwarves-1.24/dwarves.c:2093:3: note: each undeclared identifier is reported only once for each function it appears in
28 3.17 fedora:25 : FAIL gcc version 6.4.1 20170727 (Red Hat 6.4.1-1) (GCC)
/git/dwarves-1.24/dwarves.c: In function 'lang__str2int':
/git/dwarves-1.24/dwarves.c:2093:3: error: 'DW_LANG_BLISS' undeclared (first use in this function)
[DW_LANG_BLISS] = "bliss",
^~~~~~~~~~~~~
29 3.87 fedora:26 : Ok gcc (GCC) 7.3.1 20180130 (Red Hat 7.3.1-2)
30 3.57 fedora:27 : Ok gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-6)
31 3.87 fedora:28 : Ok gcc (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2)
32 3.97 fedora:29 : Ok gcc (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2)
33 3.77 fedora:30 : Ok gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2)
34 3.97 fedora:31 : Ok gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2) , clang version 9.0.1 (Fedora 9.0.1-4.fc31)
35 4.07 fedora:32 : Ok gcc (GCC) 10.3.1 20210422 (Red Hat 10.3.1-1) , clang version 10.0.1 (Fedora 10.0.1-3.fc32)
36 3.97 fedora:33 : Ok gcc (GCC) 10.3.1 20210422 (Red Hat 10.3.1-1) , clang version 11.0.0 (Fedora 11.0.0-3.fc33)
37 4.17 fedora:34 : Ok gcc (GCC) 11.3.1 20220421 (Red Hat 11.3.1-2) , clang version 12.0.1 (Fedora 12.0.1-1.fc34)
38 3.97 fedora:35 : Ok gcc (GCC) 11.3.1 20220421 (Red Hat 11.3.1-2) , clang version 13.0.0 (Fedora 13.0.0-3.fc35)
39 4.27 fedora:36 : Ok gcc (GCC) 12.1.1 20220507 (Red Hat 12.1.1-1) , clang version 14.0.0 (Fedora 14.0.0-1.fc36)
40 4.57 fedora:37 : Ok gcc (GCC) 12.1.1 20220628 (Red Hat 12.1.1-3) , clang version 14.0.5 (Fedora 14.0.5-6.fc37)
41 4.67 fedora:38 : Ok gcc (GCC) 12.1.1 20220810 (Red Hat 12.1.1-4) , clang version 14.0.5 (Fedora 14.0.5-6.fc38)
42 4.56 fedora:rawhide : Ok gcc (GCC) 12.1.1 20220810 (Red Hat 12.1.1-4) , clang version 14.0.5 (Fedora 14.0.5-6.fc38)
43 4.17 gentoo-stage3:latest : Ok gcc (Gentoo 11.2.0 p1) 11.2.0 , clang version 13.0.0
44 4.47 manjaro:base : Ok gcc (GCC) 11.1.0 , clang version 13.0.0
45 3.26 opensuse:15.0 : FAIL gcc version 7.4.1 20190905 [gcc-7-branch revision 275407] (SUSE Linux)
/git/dwarves-1.24/dwarves.c: In function 'lang__str2int':
/git/dwarves-1.24/dwarves.c:2093:3: error: 'DW_LANG_BLISS' undeclared (first use in this function); did you mean 'DW_LANG_PLI'?
[DW_LANG_BLISS] = "bliss",
^~~~~~~~~~~~~
DW_LANG_PLI
/git/dwarves-1.24/dwarves.c:2093:3: note: each undeclared identifier is reported only once for each function it appears in
46 3.17 opensuse:15.1 : FAIL gcc version 7.5.0 (SUSE Linux)
/git/dwarves-1.24/dwarves.c: In function 'lang__str2int':
/git/dwarves-1.24/dwarves.c:2093:3: error: 'DW_LANG_BLISS' undeclared (first use in this function); did you mean 'DW_LANG_PLI'?
[DW_LANG_BLISS] = "bliss",
^~~~~~~~~~~~~
DW_LANG_PLI
/git/dwarves-1.24/dwarves.c:2093:3: note: each undeclared identifier is reported only once for each function it appears in
47 3.16 opensuse:15.2 : FAIL gcc version 7.5.0 (SUSE Linux)
/git/dwarves-1.24/dwarves.c: In function 'lang__str2int':
/git/dwarves-1.24/dwarves.c:2093:3: error: 'DW_LANG_BLISS' undeclared (first use in this function); did you mean 'DW_LANG_PLI'?
[DW_LANG_BLISS] = "bliss",
^~~~~~~~~~~~~
DW_LANG_PLI
/git/dwarves-1.24/dwarves.c:2093:3: note: each undeclared identifier is reported only once for each function it appears in
48 3.77 opensuse:15.3 : Ok gcc (SUSE Linux) 7.5.0 , clang version 11.0.1
49 3.96 opensuse:15.4 : Ok gcc (SUSE Linux) 7.5.0 , clang version 13.0.1
50 4.57 opensuse:tumbleweed : Ok gcc (SUSE Linux) 12.1.1 20220629 [revision 7811663964aa7e31c3939b859bbfa2e16919639f] , clang version 14.0.6
51 3.87 oraclelinux:8 : Ok gcc (GCC) 8.5.0 20210514 (Red Hat 8.5.0-4.0.1) , clang version 12.0.1 (Red Hat 12.0.1-4.0.1.module+el8.5.0+20428+2b4ecd47)
52 3.97 oraclelinux:9 : Ok gcc (GCC) 11.2.1 20220127 (Red Hat 11.2.1-9.4.0.2) , clang version 13.0.1 (Red Hat 13.0.1-1.0.1.el9)
53 3.97 rockylinux:8 : Ok gcc (GCC) 8.5.0 20210514 (Red Hat 8.5.0-10) , clang version 13.0.1 (Red Hat 13.0.1-2.module+el8.6.0+987+d36ea6a1)
54 4.17 rockylinux:9 : Ok gcc (GCC) 11.2.1 20220127 (Red Hat 11.2.1-9) , clang version 13.0.1 (Red Hat 13.0.1-1.el9)
55 3.06 ubuntu:16.04 : FAIL gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.12)
/git/dwarves-1.24/dwarves.c: In function 'lang__str2int':
/git/dwarves-1.24/dwarves.c:2093:3: error: 'DW_LANG_BLISS' undeclared (first use in this function)
[DW_LANG_BLISS] = "bliss",
^
/git/dwarves-1.24/dwarves.c:2093:3: note: each undeclared identifier is reported only once for each function it appears in
56 3.77 ubuntu:18.04 : Ok gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
57 4.27 ubuntu:20.04 : Ok gcc (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0
58 4.17 ubuntu:21.04 : Ok gcc (Ubuntu 10.3.0-1ubuntu1) 10.3.0 , Ubuntu clang version 12.0.0-3ubuntu1~21.04.2
59 4.07 ubuntu:21.10 : Ok gcc (Ubuntu 11.2.0-7ubuntu2) 11.2.0 , Ubuntu clang version 13.0.0-2
60 4.17 ubuntu:22.04 : Ok gcc (Ubuntu 11.2.0-19ubuntu1) 11.2.0 , Ubuntu clang version 14.0.0-1ubuntu1
61 4.37 ubuntu:22.10 : Ok gcc (Ubuntu 11.3.0-5ubuntu1) 11.3.0 , Ubuntu clang version 14.0.6-2