Re: [PATCH v2] tools/perf/util/*.c: Use "%zu" output format for size_t type

[Xiao Yang]

Hi,

Ping!

Thanks,
Xiao Yang
On 2020/2/26 9:08, Xiao Yang wrote:
> Avoid the following errors when building perf on i386:
> -----------------------------------------------
> util/session.c: In function 'perf_session__process_compressed_event':
> util/session.c:91:11: error: format '%ld' expects argument of type 'long int', but argument 4 has type 'size_t {aka unsigned int}' [-Werror=format=]
>    pr_debug("decomp (B): %ld to %ld\n", src_size, decomp_size);
> ...
> til/zstd.c: In function 'zstd_decompress_stream':
> util/zstd.c:102:11: error: format '%ld' expects argument of type 'long int', but argument 4 has type 'size_t {aka unsigned int}' [-Werror=format=]
>      pr_err("failed to decompress (B): %ld ->  %ld, dst_size %ld : %s\n",
> ...
> -----------------------------------------------
> 
> Reported-by: kernel test robot<lkp@xxxxxxxxx>
> Signed-off-by: Xiao Yang<yangx.jy@xxxxxxxxxxxxxx>
> ---
>   tools/perf/util/session.c | 2 +-
>   tools/perf/util/zstd.c    | 2 +-
>   2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
> index d0d7d25b23e3..55c3d2fefd41 100644
> --- a/tools/perf/util/session.c
> +++ b/tools/perf/util/session.c
> @@ -88,7 +88,7 @@ static int perf_session__process_compressed_event(struct perf_session *session,
>   		session->decomp_last = decomp;
>   	}
> 
> -	pr_debug("decomp (B): %ld to %ld\n", src_size, decomp_size);
> +	pr_debug("decomp (B): %zu to %zu\n", src_size, decomp_size);
> 
>   	return 0;
>   }
> diff --git a/tools/perf/util/zstd.c b/tools/perf/util/zstd.c
> index d2202392ffdb..a051237cacf2 100644
> --- a/tools/perf/util/zstd.c
> +++ b/tools/perf/util/zstd.c
> @@ -99,7 +99,7 @@ size_t zstd_decompress_stream(struct zstd_data *data, void *src, size_t src_size
>   	while (input.pos<  input.size) {
>   		ret = ZSTD_decompressStream(data->dstream,&output,&input);
>   		if (ZSTD_isError(ret)) {
> -			pr_err("failed to decompress (B): %ld ->  %ld, dst_size %ld : %s\n",
> +			pr_err("failed to decompress (B): %zu ->  %zu, dst_size %zu : %s\n",
>   			       src_size, output.size, dst_size, ZSTD_getErrorName(ret));
>   			break;
>   		}