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

Message ID 20240131134940.593788-1-irogers@google.com
State New
Headers
Series [v2,1/3] perf tsc: Add missing newlines to debug statements |

Commit Message

Ian Rogers Jan. 31, 2024, 1:49 p.m. UTC
  It is assumed that debug statements always print a newline, fix two
missing ones.

Signed-off-by: Ian Rogers <irogers@google.com>
---
This patch was inspired by bad debug output in:
https://lore.kernel.org/linux-perf-users/CAGjhMsg_bVKJ_zfsLUR32+oZwGDr3OiBHV_BJ3QtFjyKAs7Sgg@mail.gmail.com/
---
 tools/perf/arch/x86/util/tsc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
  

Comments

Ian Rogers Jan. 31, 2024, 1:51 p.m. UTC | #1
On Wed, Jan 31, 2024 at 5:49 AM Ian Rogers <irogers@google.com> wrote:
>
> It is assumed that debug statements always print a newline, fix two
> missing ones.
>
> Signed-off-by: Ian Rogers <irogers@google.com>

Sorry forgot to add:
Reviewed-by: James Clark <james.clark@arm.com>
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@mail.gmail.com/
> ---
>  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
>
  
Namhyung Kim Feb. 6, 2024, 12:18 a.m. UTC | #2
On Wed, 31 Jan 2024 05:49:38 -0800, Ian Rogers wrote:
> It is assumed that debug statements always print a newline, fix two
> missing ones.
> 
> 

Applied to perf-tools-next, thanks!

[1/3] perf tsc: Add missing newlines to debug statements
      commit: 2882358b8b83b417a9d82205ae6aae5be00bd989
[2/3] perf parse-events: Improve error location of terms cloned from an event
      commit: f5144ecad74101f87843aa08070df26a3937102a
[3/3] perf parse-events: Print all errors
      commit: fd7b8e8fb20f51d60dfee7792806548f3c6a4c2c

Best regards,
  

Patch

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);