linux-kernel - Re: [PATCH] perf dlfilter: dlfilter-show-cycles: Fix types for print format

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Message-ID: <92890263-a876-0739-8ba2-e571a576c26c@intel.com>
Date:   Mon, 5 Sep 2022 10:44:35 +0300
From:   Adrian Hunter <adrian.hunter@...el.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Jiri Olsa <jolsa@...hat.com>, Namhyung Kim <namhyung@...nel.org>,
        Ian Rogers <irogers@...gle.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf dlfilter: dlfilter-show-cycles: Fix types for print
 format

On 5/09/22 10:42, Adrian Hunter wrote:
> Avoid compiler warning about format %llu that expects long long unsigned
> int but argument has type __u64.
> 

Fixes: c3afd6e50fce ("perf dlfilter: Add dlfilter-show-cycles")

> Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
> ---
>  tools/perf/dlfilters/dlfilter-show-cycles.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/tools/perf/dlfilters/dlfilter-show-cycles.c b/tools/perf/dlfilters/dlfilter-show-cycles.c
> index 9eccc97bff82..6d47298ebe9f 100644
> --- a/tools/perf/dlfilters/dlfilter-show-cycles.c
> +++ b/tools/perf/dlfilters/dlfilter-show-cycles.c
> @@ -98,9 +98,9 @@ int filter_event_early(void *data, const struct perf_dlfilter_sample *sample, vo
>  static void print_vals(__u64 cycles, __u64 delta)
>  {
>  	if (delta)
> -		printf("%10llu %10llu ", cycles, delta);
> +		printf("%10llu %10llu ", (unsigned long long)cycles, (unsigned long long)delta);
>  	else
> -		printf("%10llu %10s ", cycles, "");
> +		printf("%10llu %10s ", (unsigned long long)cycles, "");
>  }
>  
>  int filter_event(void *data, const struct perf_dlfilter_sample *sample, void *ctx)