Re: [PATCH v2 1/3] perf tsc: Add missing newlines to debug statements

From: Ian Rogers
Date: Wed Jan 31 2024 - 08:54:49 EST


On Wed, Jan 31, 2024 at 5:49 AM Ian Rogers <irogers@xxxxxxxxxx> wrote:
>
> It is assumed that debug statements always print a newline, fix two
> missing ones.
>
> Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>

Sorry forgot to add:
Reviewed-by: James Clark <james.clark@xxxxxxx>
To this one.

Thanks,
Ian

> ---
> This patch was inspired by bad debug output in:
> https://lore.kernel.org/linux-perf-users/CAGjhMsg_bVKJ_zfsLUR32+oZwGDr3OiBHV_BJ3QtFjyKAs7Sgg@xxxxxxxxxxxxxx/
> ---
> tools/perf/arch/x86/util/tsc.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/tools/perf/arch/x86/util/tsc.c b/tools/perf/arch/x86/util/tsc.c
> index 9b99f48b923c..e2d6cfe21057 100644
> --- a/tools/perf/arch/x86/util/tsc.c
> +++ b/tools/perf/arch/x86/util/tsc.c
> @@ -33,7 +33,7 @@ static double cpuinfo_tsc_freq(void)
>
> cpuinfo = fopen("/proc/cpuinfo", "r");
> if (!cpuinfo) {
> - pr_err("Failed to read /proc/cpuinfo for TSC frequency");
> + pr_err("Failed to read /proc/cpuinfo for TSC frequency\n");
> return NAN;
> }
> while (getline(&line, &len, cpuinfo) > 0) {
> @@ -48,7 +48,7 @@ static double cpuinfo_tsc_freq(void)
> }
> out:
> if (fpclassify(result) == FP_ZERO)
> - pr_err("Failed to find TSC frequency in /proc/cpuinfo");
> + pr_err("Failed to find TSC frequency in /proc/cpuinfo\n");
>
> free(line);
> fclose(cpuinfo);
> --
> 2.43.0.429.g432eaa2c6b-goog
>