Re: [BUG] jevents problem when cross building Re: [PATCH 2/3] perf tools: Allow to enable/disable events via control file

John Garry
2020-12-10T18:30:15Z

On 10/12/2020 18:17, Arnaldo Carvalho de Melo wrote:
>> So symbol 'pmu_sys_event_tables' is introduced inhttps://lore.kernel.org/linux-arm-kernel/1607080216-36968-3-git-send-email-john.garry@huawei.com/,
>> but I did not think that you picked any of this series up yet, right?
>>
>> I checked your perf/core branch, and no sign, so which git/branch is this?
> Its unpublished, I'll send it to the tmp.perf/core branch now.

I use cross-compile for arm64 to build, and it's ok.

I notice that the failures are for architectures which don't have an
entry under pmu-events/arch, so maybe we're missing some 'weak'
definition of pmu_sys_event_tables.

I'll check now.

John

>
> More results from testing:
>
> 59 13.57 ubuntu:16.04-x-arm : FAIL arm-linux-gnueabihf-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
>
> [perfbuilder@five ~]$ tail -20 dm.log/ubuntu\:16.04-x-arm
> CC /tmp/build/perf/util/expr.o
> LD /tmp/build/perf/util/intel-pt-decoder/perf-in.o
> LD /tmp/build/perf/util/perf-in.o
> LD /tmp/build/perf/perf-in.o
> LINK /tmp/build/perf/perf
> /tmp/build/perf/perf-in.o: In function `pmu_for_each_sys_event':
> /git/linux/tools/perf/util/pmu.c:816: undefined reference to `pmu_sys_event_tables'
> /git/linux/tools/perf/util/pmu.c:816: undefined reference to `pmu_sys_event_tables'
> /tmp/build/perf/perf-in.o: In function `pmu_add_sys_aliases':
> /git/linux/tools/perf/util/pmu.c:886: undefined reference to `pmu_sys_event_tables'
> /git/linux/tools/perf/util/pmu.c:886: undefined reference to `pmu_sys_event_tables'
> collect2: error: ld returned 1 exit status
> Makefile.perf:659: recipe for target '/tmp/build/perf/perf' failed
> make[2]: *** [/tmp/build/perf/perf] Error 1
> Makefile.perf:232: recipe for target 'sub-make' failed
> make[1]: *** [sub-make] Error 2
> Makefile:69: recipe for target 'all' failed
> make: *** [all] Error 2
> make: Leaving directory '/git/linux/tools/perf'
> + exit 1
> [perfbuilder@five ~]$
>
> 60 26.91 ubuntu:16.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
> 61 25.62 ubuntu:16.04-x-powerpc : Ok powerpc-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
> 62 26.39 ubuntu:16.04-x-powerpc64 : Ok powerpc64-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
> 63 25.92 ubuntu:16.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
> 64 25.96 ubuntu:16.04-x-s390 : Ok s390x-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
> 65 89.87 ubuntu:18.04 : Ok gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0, clang version 6.0.0-1ubuntu2 (tags/RELEASE_600/final)
> 66 14.45 ubuntu:18.04-x-arm : FAIL arm-linux-gnueabihf-gcc (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0
>
> [perfbuilder@five ~]$ tail -20 dm.log/ubuntu\:18.04-x-arm
> CC /tmp/build/perf/util/pmu-flex.o
> CC /tmp/build/perf/util/expr-flex.o
> CC /tmp/build/perf/util/expr.o
> LD /tmp/build/perf/util/intel-pt-decoder/perf-in.o
> LD /tmp/build/perf/util/perf-in.o
> LD /tmp/build/perf/perf-in.o
> LINK /tmp/build/perf/perf
> /tmp/build/perf/perf-in.o: In function `pmu_for_each_sys_event':
> /git/linux/tools/perf/util/pmu.c:840: undefined reference to `pmu_sys_event_tables'
> /tmp/build/perf/perf-in.o: In function `perf_pmu__find':
> /git/linux/tools/perf/util/pmu.c:1031: undefined reference to `pmu_sys_event_tables'
> collect2: error: ld returned 1 exit status
> Makefile.perf:659: recipe for target '/tmp/build/perf/perf' failed
> make[2]: *** [/tmp/build/perf/perf] Error 1
> Makefile.perf:232: recipe for target 'sub-make' failed
> make[1]: *** [sub-make] Error 2
> Makefile:69: recipe for target 'all' failed
> make: *** [all] Error 2
> make: Leaving directory '/git/linux/tools/perf'
> + exit 1
> [perfbuilder@five ~]$
>
> 67 27.63 ubuntu:18.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0
> 68 12.06 ubuntu:18.04-x-m68k : FAIL m68k-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
>
> [perfbuilder@five ~]$ tail -20 dm.log/ubuntu\:18.04-x-m68k
> CC /tmp/build/perf/util/pmu-flex.o
> CC /tmp/build/perf/util/expr-flex.o
> CC /tmp/build/perf/util/expr.o
> LD /tmp/build/perf/util/intel-pt-decoder/perf-in.o
> LD /tmp/build/perf/util/perf-in.o
> LD /tmp/build/perf/perf-in.o
> LINK /tmp/build/perf/perf
> /tmp/build/perf/perf-in.o: In function `pmu_for_each_sys_event':
> /git/linux/tools/perf/util/pmu.c:816: undefined reference to `pmu_sys_event_tables'
> /tmp/build/perf/perf-in.o: In function `pmu_add_sys_aliases':
> /git/linux/tools/perf/util/pmu.c:886: undefined reference to `pmu_sys_event_tables'
> collect2: error: ld returned 1 exit status
> Makefile.perf:659: recipe for target '/tmp/build/perf/perf' failed
> make[2]: *** [/tmp/build/perf/perf] Error 1
> Makefile.perf:232: recipe for target 'sub-make' failed
> make[1]: *** [sub-make] Error 2
> Makefile:69: recipe for target 'all' failed
> make: *** [all] Error 2
> make: Leaving directory '/git/linux/tools/perf'
> + exit 1
> [perfbuilder@five ~]$
>
> 69 27.21 ubuntu:18.04-x-powerpc : Ok powerpc-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
> 70 29.40 ubuntu:18.04-x-powerpc64 : Ok powerpc64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
> 71 29.56 ubuntu:18.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
> 72 63.55 ubuntu:18.04-x-riscv64 : FAIL riscv64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
>
> [perfbuilder@five ~]$ tail -20 dm.log/ubuntu\:18.04-x-riscv64
> CC /tmp/build/perf/util/parse-events-flex.o
> LD /tmp/build/perf/util/intel-pt-decoder/perf-in.o
> LD /tmp/build/perf/util/perf-in.o
> LD /tmp/build/perf/perf-in.o
> LINK /tmp/build/perf/perf
> /tmp/build/perf/perf-in.o: In function `replace_android_lib':
> /git/linux/tools/perf/util/map.c:45: undefined reference to `pmu_sys_event_tables'
> /git/linux/tools/perf/util/map.c:47: undefined reference to `pmu_sys_event_tables'
> /tmp/build/perf/perf-in.o: In function `snprintf':
> /usr/riscv64-linux-gnu/include/bits/stdio2.h:64: undefined reference to `pmu_sys_event_tables'
> /usr/riscv64-linux-gnu/include/bits/stdio2.h:64: undefined reference to `pmu_sys_event_tables'
> collect2: error: ld returned 1 exit status
> Makefile.perf:659: recipe for target '/tmp/build/perf/perf' failed
> make[2]: *** [/tmp/build/perf/perf] Error 1
> Makefile.perf:232: recipe for target 'sub-make' failed
> make[1]: *** [sub-make] Error 2
> Makefile:69: recipe for target 'all' failed
> make: *** [all] Error 2
> make: Leaving directory '/git/linux/tools/perf'
> + exit 1
> [perfbuilder@five ~]$
>
> 73 24.68 ubuntu:18.04-x-s390 : Ok s390x-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
> 74 13.29 ubuntu:18.04-x-sh4 : FAIL sh4-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
>
> [perfbuilder@five ~]$ tail -20 dm.log/ubuntu\:18.04-x-sh4
> CC /tmp/build/perf/util/pmu-flex.o
> CC /tmp/build/perf/util/expr-flex.o
> CC /tmp/build/perf/util/expr.o
> LD /tmp/build/perf/util/intel-pt-decoder/perf-in.o
> LD /tmp/build/perf/util/perf-in.o
> LD /tmp/build/perf/perf-in.o
> LINK /tmp/build/perf/perf
> /tmp/build/perf/perf-in.o: In function `pmu_for_each_sys_event':
> /git/linux/tools/perf/util/pmu.c:840: undefined reference to `pmu_sys_event_tables'
> /tmp/build/perf/perf-in.o: In function `perf_pmu__find':
> /git/linux/tools/perf/util/pmu.c:1031: undefined reference to `pmu_sys_event_tables'
> collect2: error: ld returned 1 exit status
> Makefile.perf:659: recipe for target '/tmp/build/perf/perf' failed
> make[2]: *** [/tmp/build/perf/perf] Error 1
> Makefile.perf:232: recipe for target 'sub-make' failed
> make[1]: *** [sub-make] Error 2
> Makefile:69: recipe for target 'all' failed
> make: *** [all] Error 2
> make: Leaving directory '/git/linux/tools/perf'
> + exit 1
> [perfbuilder@five ~]$
>
> 75 12.49 ubuntu:18.04-x-sparc64 : FAIL sparc64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
>
> [perfbuilder@five ~]$ tail -20 dm.log/ubuntu\:18.04-x-sparc64
> LD /tmp/build/perf/util/intel-pt-decoder/perf-in.o
> LD /tmp/build/perf/util/perf-in.o
> LD /tmp/build/perf/perf-in.o
> LINK /tmp/build/perf/perf
> /tmp/build/perf/perf-in.o: In function `pmu_for_each_sys_event':
> /git/linux/tools/perf/util/pmu.c:816: undefined reference to `pmu_sys_event_tables'
> /git/linux/tools/perf/util/pmu.c:816: undefined reference to `pmu_sys_event_tables'
> /tmp/build/perf/perf-in.o: In function `pmu_add_sys_aliases':
> /git/linux/tools/perf/util/pmu.c:886: undefined reference to `pmu_sys_event_tables'
> /tmp/build/perf/perf-in.o: In function `pmu_uncore_alias_match':
> /git/linux/tools/perf/util/pmu.c:732: undefined reference to `pmu_sys_event_tables'
> collect2: error: ld returned 1 exit status
> Makefile.perf:659: recipe for target '/tmp/build/perf/perf' failed
> make[2]: *** [/tmp/build/perf/perf] Error 1
> Makefile.perf:232: recipe for target 'sub-make' failed
> make[1]: *** [sub-make] Error 2
> Makefile:69: recipe for target 'all' failed
> make: *** [all] Error 2
> make: Leaving directory '/git/linux/tools/perf'
> + exit 1
> [perfbuilder@five ~]$
>
> 76 69.65 ubuntu:19.10 : Ok gcc (Ubuntu 9.2.1-9ubuntu2) 9.2.1 20191008, clang version 8.0.1-3build1 (tags/RELEASE_801/final)
> 77 13.58 ubuntu:19.10-x-alpha : FAIL alpha-linux-gnu-gcc (Ubuntu 9.2.1-9ubuntu1) 9.2.1 20191008
>
> [perfbuilder@five ~]$ tail -20 dm.log/ubuntu\:19.10-x-alpha
> CC /tmp/build/perf/util/expr-bison.o
> CC /tmp/build/perf/util/parse-events.o
> CC /tmp/build/perf/util/parse-events-flex.o
> CC /tmp/build/perf/util/expr-flex.o
> CC /tmp/build/perf/util/expr.o
> CC /tmp/build/perf/util/pmu.o
> CC /tmp/build/perf/util/pmu-flex.o
> LD /tmp/build/perf/util/intel-pt-decoder/perf-in.o
> LD /tmp/build/perf/util/perf-in.o
> LD /tmp/build/perf/perf-in.o
> LINK /tmp/build/perf/perf
> /usr/lib/gcc-cross/alpha-linux-gnu/9/../../../../alpha-linux-gnu/bin/ld: /tmp/build/perf/perf-in.o: in function `pmu_for_each_sys_event':
> /git/linux/tools/perf/util/pmu.c:825: undefined reference to `pmu_sys_event_tables'
> /usr/lib/gcc-cross/alpha-linux-gnu/9/../../../../alpha-linux-gnu/bin/ld: /git/linux/tools/perf/util/pmu.c:825: undefined reference to `pmu_sys_event_tables'
> collect2: error: ld returned 1 exit status
> make[2]: *** [Makefile.perf:659: /tmp/build/perf/perf] Error 1
> make[1]: *** [Makefile.perf:233: sub-make] Error 2
> make: *** [Makefile:70: all] Error 2
> make: Leaving directory '/git/linux/tools/perf'
> + exit 1
> [perfbuilder@five ~]$
>
> 78 12.64 ubuntu:19.10-x-hppa : FAIL hppa-linux-gnu-gcc (Ubuntu 9.2.1-9ubuntu1) 9.2.1 20191008
>
> [perfbuilder@five ~]$ tail -20 dm.log/ubuntu\:19.10-x-hppa
> CC /tmp/build/perf/util/pmu.o
> CC /tmp/build/perf/util/pmu-flex.o
> CC /tmp/build/perf/util/expr-flex.o
> LD /tmp/build/perf/util/intel-pt-decoder/perf-in.o
> LD /tmp/build/perf/util/perf-in.o
> LD /tmp/build/perf/perf-in.o
> LINK /tmp/build/perf/perf
> /usr/lib/gcc-cross/hppa-linux-gnu/9/../../../../hppa-linux-gnu/bin/ld: /tmp/build/perf/perf-in.o: in function `pmu_for_each_sys_event':
> /git/linux/tools/perf/util/pmu.c:825: undefined reference to `pmu_sys_event_tables'
> /usr/lib/gcc-cross/hppa-linux-gnu/9/../../../../hppa-linux-gnu/bin/ld: /git/linux/tools/perf/util/pmu.c:825: undefined reference to `pmu_sys_event_tables'
> /usr/lib/gcc-cross/hppa-linux-gnu/9/../../../../hppa-linux-gnu/bin/ld: /tmp/build/perf/perf-in.o: in function `pmu_add_sys_aliases':
> /git/linux/tools/perf/util/pmu.c:886: undefined reference to `pmu_sys_event_tables'
> /usr/lib/gcc-cross/hppa-linux-gnu/9/../../../../hppa-linux-gnu/bin/ld: /tmp/build/perf/perf-in.o: in function `pmu_for_each_sys_event':
> /git/linux/tools/perf/util/pmu.c:825: undefined reference to `pmu_sys_event_tables'
> collect2: error: ld returned 1 exit status
> make[2]: *** [Makefile.perf:659: /tmp/build/perf/perf] Error 1
> make[1]: *** [Makefile.perf:233: sub-make] Error 2
> make: *** [Makefile:70: all] Error 2
> make: Leaving directory '/git/linux/tools/perf'
> + exit 1
> [perfbuilder@five ~]$
>
> 79 75.25 ubuntu:20.04 : Ok gcc (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0, clang version 10.0.0-4ubuntu1
> 80 31.39 ubuntu:20.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu 10.2.0-5ubuntu1~20.04) 10.2.0
> 81 75.09 ubuntu:20.10 : Ok gcc (Ubuntu 10.2.0-13ubuntu1) 10.2.0, Ubuntu clang version 11.0.0-2
> .