Re: [PATCH v4 00/48] Refactor perf cpumap

From: Arnaldo Carvalho de Melo
Date: Mon Jan 10 2022 - 15:42:43 EST


Em Mon, Jan 10, 2022 at 05:40:12PM -0300, Arnaldo Carvalho de Melo escreveu:
> > I'm now making it go thru the container builds.
>
> Not a good start, checking:
>
> [perfbuilder@five ~]$ time dm
> 1 50.25 almalinux:8 : FAIL clang version 12.0.1 (Red Hat 12.0.1-4.module_el8.5.0+1025+93159d6c)
> builtin-stat.c:1499:31: error: unused function 'perf_env__get_cpu' [-Werror,-Wunused-function]
> static inline struct perf_cpu perf_env__get_cpu(void *data, struct perf_cpu_map *map, int idx)

^
Interesting, it builds with gcc, not with clang:

+ make PYTHON=python3 ARCH= CROSS_COMPILE= EXTRA_CFLAGS= -C tools/perf O=/tmp/build/perf CC=clang

And it really isn't used anywhere in builtin-stat.c, will remove it
after figuring out when it stops being used.

- Arnaldo

> 1 error generated.
> 2 54.14 alpine:3.4 : FAIL clang version 3.8.0 (tags/RELEASE_380/final)
> builtin-stat.c:1499:31: error: unused function 'perf_env__get_cpu' [-Werror,-Wunused-function]
> static inline struct perf_cpu perf_env__get_cpu(void *data, struct perf_cpu_map *map, int idx)
> ^
> 1 error generated.
> 3 39.78 alpine:3.5 : FAIL clang version 3.8.1 (tags/RELEASE_381/final)
> builtin-stat.c:1499:31: error: unused function 'perf_env__get_cpu' [-Werror,-Wunused-function]
> static inline struct perf_cpu perf_env__get_cpu(void *data, struct perf_cpu_map *map, int idx)
> ^
> 1 error generated.
> 4 82.52 alpine:3.6 : FAIL clang version 4.0.0 (tags/RELEASE_400/final)
> builtin-stat.c:1499:31: error: unused function 'perf_env__get_cpu' [-Werror,-Wunused-function]
> static inline struct perf_cpu perf_env__get_cpu(void *data, struct perf_cpu_map *map, int idx)
> ^
> 1 error generated.
> 5 113.61 alpine:3.7 : FAIL gcc version 6.4.0 (Alpine 6.4.0)
> builtin-stat.c:1499:31: error: unused function 'perf_env__get_cpu' [-Werror,-Wunused-function]
> static inline struct perf_cpu perf_env__get_cpu(void *data, struct perf_cpu_map *map, int idx)
> ^
> 1 error generated.
> 6 119.02 alpine:3.8 : FAIL gcc version 6.4.0 (Alpine 6.4.0)
> builtin-stat.c:1499:31: error: unused function 'perf_env__get_cpu' [-Werror,-Wunused-function]
> static inline struct perf_cpu perf_env__get_cpu(void *data, struct perf_cpu_map *map, int idx)
> ^
> 1 error generated.
> 7 64.55 alpine:3.9 : FAIL gcc version 8.3.0 (Alpine 8.3.0)
> builtin-stat.c:1499:31: error: unused function 'perf_env__get_cpu' [-Werror,-Wunused-function]
> static inline struct perf_cpu perf_env__get_cpu(void *data, struct perf_cpu_map *map, int idx)
> ^
> 1 error generated.
> 8: alpine:3.10

--

- Arnaldo