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SubjectRe: [PATCH v5 1/6] perf bench futex: Add support for 32-bit systems with 64-bit time_t
Em Fri, Dec 10, 2021 at 09:58:52AM +1000, Alistair Francis escreveu:
> From: Alistair Francis <alistair.francis@wdc.com>
>
> Some 32-bit architectures (such are 32-bit RISC-V) only have a 64-bit
> time_t and as such don't have the SYS_futex syscall. This patch will
> allow us to use the SYS_futex_time64 syscall on those platforms.
>
> This also converts the futex calls to be y2038 safe (when built for a
> 5.1+ kernel).
>
> This is a revert of commit ba4026b09d83acf56c040b6933eac7916c27e728
> "Revert "perf bench futex: Add support for 32-bit systems with 64-bit time_t"".
>
> The original commit was reverted as including linux/time_types.h would
> fail to compile on older kernels. This commit doesn't include
> linux/time_types.h to avoid this issue.

10 9.99 alpine:3.12 : FAIL gcc version 9.3.0 (Alpine 9.3.0)
In file included from bench/futex-hash.c:29:
bench/futex.h:37:2: error: unknown type name '__kernel_old_time_t'
37 | __kernel_old_time_t tv_sec; /* seconds */
| ^~~~~~~~~~~~~~~~~~~
In file included from bench/futex-wake.c:25:
bench/futex.h:37:2: error: unknown type name '__kernel_old_time_t'
37 | __kernel_old_time_t tv_sec; /* seconds */
| ^~~~~~~~~~~~~~~~~~~
make[3]: *** [/git/perf-5.16.0-rc4/tools/build/Makefile.build:139: bench] Error 2
11 114.27 alpine:3.13 : Ok gcc (Alpine 10.2.1_pre1) 10.2.1 20201203 , Alpine clang version 10.0.1
12 100.12 alpine:3.14 : Ok gcc (Alpine 10.3.1_git20210424) 10.3.1 20210424 , Alpine clang version 11.1.0
13 101.06 alpine:3.15 : Ok gcc (Alpine 10.3.1_git20211027) 10.3.1 20211027 , Alpine clang version 12.0.1
14 101.96 alpine:edge : Ok gcc (Alpine 11.2.1_git20211128) 11.2.1 20211128 , Alpine clang version 12.0.1
15 6.98 alt:p8 : FAIL gcc version 5.3.1 20151207 (ALT p8 5.3.1-alt3.M80P.1) (GCC)
In file included from bench/futex-hash.c:29:0:
bench/futex.h:37:2: error: unknown type name '__kernel_old_time_t'
__kernel_old_time_t tv_sec; /* seconds */
^
In file included from bench/futex-wake.c:25:0:
bench/futex.h:37:2: error: unknown type name '__kernel_old_time_t'
__kernel_old_time_t tv_sec; /* seconds */
^
In file included from bench/futex-wake-parallel.c:31:0:
bench/futex.h:37:2: error: unknown type name '__kernel_old_time_t'
__kernel_old_time_t tv_sec; /* seconds */
^
make[3]: *** [bench] Error 2
16 73.65 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
17 72.34 alt:sisyphus : Ok x86_64-alt-linux-gcc (GCC) 11.2.1 20210911 (ALT Sisyphus 11.2.1-alt1) , ALT Linux Team clang version 12.0.1
18 7.58 amazonlinux:1 : FAIL gcc version 7.2.1 20170915 (Red Hat 7.2.1-2) (GCC)
In file included from bench/futex-hash.c:29:0:
bench/futex.h:37:2: error: unknown type name '__kernel_old_time_t'
__kernel_old_time_t tv_sec; /* seconds */
^~~~~~~~~~~~~~~~~~~
In file included from bench/futex-wake.c:25:0:
bench/futex.h:37:2: error: unknown type name '__kernel_old_time_t'
__kernel_old_time_t tv_sec; /* seconds */
^~~~~~~~~~~~~~~~~~~
make[3]: *** [bench] Error 2
19 8.28 amazonlinux:2 : FAIL gcc version 7.3.1 20180712 (Red Hat 7.3.1-13) (GCC)
In file included from bench/futex-hash.c:29:0:
bench/futex.h:37:2: error: unknown type name '__kernel_old_time_t'
__kernel_old_time_t tv_sec; /* seconds */
^~~~~~~~~~~~~~~~~~~
make[3]: *** [bench] Error 2
20 79.16 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)


Still building on the other containers.

- Arnaldo

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