Re: [PATCH libdrm] amdgpu: Use %ll to format 64-bit integers

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On Wed, Jul 5, 2023 at 5:17 PM Geert Uytterhoeven
<geert+renesas@xxxxxxxxx> wrote:
>
> On 32-bit:
>
>     ../tests/amdgpu/amdgpu_stress.c: In function ‘alloc_bo’:
>     ../tests/amdgpu/amdgpu_stress.c:178:49: warning: format ‘%lx’ expects argument of type ‘long unsigned int’, but argument 4 has type ‘uint64_t’ {aka ‘long long unsigned int’} [-Wformat=]
>       fprintf(stdout, "Allocated BO number %u at 0x%lx, domain 0x%x, size %lu\n",
>                                                    ~~^
>                                                    %llx
>        num_buffers++, addr, domain, size);
>                       ~~~~
>     ../tests/amdgpu/amdgpu_stress.c:178:72: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 6 has type ‘uint64_t’ {aka ‘long long unsigned int’} [-Wformat=]
>       fprintf(stdout, "Allocated BO number %u at 0x%lx, domain 0x%x, size %lu\n",
>                                                                           ~~^
>                                                                           %llu
>        num_buffers++, addr, domain, size);
>                                     ~~~~
>     ../tests/amdgpu/amdgpu_stress.c: In function ‘submit_ib’:
>     ../tests/amdgpu/amdgpu_stress.c:276:54: warning: format ‘%lx’ expects argument of type ‘long unsigned int’, but argument 5 has type ‘uint64_t’ {aka ‘long long unsigned int’} [-Wformat=]
>       fprintf(stdout, "Submitted %u IBs to copy from %u(%lx) to %u(%lx) %lu bytes took %lu usec\n",
>                                                         ~~^
>                                                         %llx
>        count, from, virtual[from], to, virtual[to], copied, delta / 1000);
>                     ~~~~~~~~~~~~~
>     ../tests/amdgpu/amdgpu_stress.c:276:65: warning: format ‘%lx’ expects argument of type ‘long unsigned int’, but argument 7 has type ‘uint64_t’ {aka ‘long long unsigned int’} [-Wformat=]
>       fprintf(stdout, "Submitted %u IBs to copy from %u(%lx) to %u(%lx) %lu bytes took %lu usec\n",
>                                                                    ~~^
>                                                                    %llx
>        count, from, virtual[from], to, virtual[to], copied, delta / 1000);
>                                        ~~~~~~~~~~~
>     ../tests/amdgpu/amdgpu_stress.c:276:70: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 8 has type ‘uint64_t’ {aka ‘long long unsigned int’} [-Wformat=]
>       fprintf(stdout, "Submitted %u IBs to copy from %u(%lx) to %u(%lx) %lu bytes took %lu usec\n",
>                                                                         ~~^
>                                                                         %llu
>        count, from, virtual[from], to, virtual[to], copied, delta / 1000);
>                                                     ~~~~~~
>     ../tests/amdgpu/amdgpu_stress.c:276:85: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 9 has type ‘uint64_t’ {aka ‘long long unsigned int’} [-Wformat=]
>       fprintf(stdout, "Submitted %u IBs to copy from %u(%lx) to %u(%lx) %lu bytes took %lu usec\n",
>                                                                                        ~~^
>                                                                                        %llu
>        count, from, virtual[from], to, virtual[to], copied, delta / 1000);
>                                                             ~~~~~~~~~~~~
>     ../tests/amdgpu/amdgpu_stress.c: In function ‘parse_size’:
>     ../tests/amdgpu/amdgpu_stress.c:296:24: warning: format ‘%li’ expects argument of type ‘long int *’, but argument 3 has type ‘uint64_t *’ {aka ‘long long unsigned int *’} [-Wformat=]
>       if (sscanf(optarg, "%li%1[kmgKMG]", &size, ext) < 1) {
>                           ~~^             ~~~~~
>                           %lli
>     ../tests/amdgpu/amdgpu_stress.c: In function ‘main’:
>     ../tests/amdgpu/amdgpu_stress.c:378:45: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 3 has type ‘uint64_t’ {aka ‘long long unsigned int’} [-Wformat=]
>          fprintf(stderr, "Buffer size to small %lu\n", size);
>                                                ~~^     ~~~~
>                                                %llu
>
> Fix this by using the proper "%ll" format specifier prefix.
>
> Fixes: d77ccdf3ba6f5a39 ("amdgpu: add amdgpu_stress utility v2")
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

Scrap it, now it fails on 64-bit :-(

> --- a/tests/amdgpu/amdgpu_stress.c
> +++ b/tests/amdgpu/amdgpu_stress.c
> @@ -175,7 +175,7 @@ int alloc_bo(uint32_t domain, uint64_t size)
>
>         resources[num_buffers] = bo;
>         virtual[num_buffers] = addr;
> -       fprintf(stdout, "Allocated BO number %u at 0x%lx, domain 0x%x, size %lu\n",
> +       fprintf(stdout, "Allocated BO number %u at 0x%llx, domain 0x%x, size %llu\n",
>                 num_buffers++, addr, domain, size);
>         return 0;
>  }
> @@ -273,7 +273,7 @@ int submit_ib(uint32_t from, uint32_t to, uint64_t size, uint32_t count)
>         delta = stop.tv_nsec + stop.tv_sec * 1000000000UL;
>         delta -= start.tv_nsec + start.tv_sec * 1000000000UL;
>
> -       fprintf(stdout, "Submitted %u IBs to copy from %u(%lx) to %u(%lx) %lu bytes took %lu usec\n",
> +       fprintf(stdout, "Submitted %u IBs to copy from %u(%llx) to %u(%llx) %llu bytes took %llu usec\n",
>                 count, from, virtual[from], to, virtual[to], copied, delta / 1000);
>         return 0;
>  }
> @@ -293,7 +293,7 @@ uint64_t parse_size(void)
>         char ext[2];
>
>         ext[0] = 0;
> -       if (sscanf(optarg, "%li%1[kmgKMG]", &size, ext) < 1) {
> +       if (sscanf(optarg, "%lli%1[kmgKMG]", &size, ext) < 1) {
>                 fprintf(stderr, "Can't parse size arg: %s\n", optarg);
>                 exit(EXIT_FAILURE);
>         }
> @@ -375,7 +375,7 @@ int main(int argc, char **argv)
>                         next_arg(argc, argv, "Missing buffer size");
>                         size = parse_size();
>                         if (size < getpagesize()) {
> -                               fprintf(stderr, "Buffer size to small %lu\n", size);
> +                               fprintf(stderr, "Buffer size to small %llu\n", size);
>                                 exit(EXIT_FAILURE);
>                         }
>                         r = alloc_bo(domain, size);

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds




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