Re: [PATCH v2] cpupowerutils: bench - Fix cpu online check

From: Shuah Khan
Date: Wed Nov 15 2017 - 10:21:17 EST


On 11/07/2017 02:47 AM, Abhishek Goel wrote:
> cpupower_is_cpu_online was incorrectly checking for 0. This patch fixes
> this by checking for 1 when the cpu is online.
>
> Signed-off-by: Abhishek Goel <huntbag@xxxxxxxxxxxxxxxxxx>
> ---
> v2: Commit message rephrased.
> ---
> tools/power/cpupower/bench/system.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/power/cpupower/bench/system.c b/tools/power/cpupower/bench/system.c
> index c25a74a..2bb3eef 100644
> --- a/tools/power/cpupower/bench/system.c
> +++ b/tools/power/cpupower/bench/system.c
> @@ -61,7 +61,7 @@ int set_cpufreq_governor(char *governor, unsigned int cpu)
>
> dprintf("set %s as cpufreq governor\n", governor);
>
> - if (cpupower_is_cpu_online(cpu) != 0) {
> + if (cpupower_is_cpu_online(cpu) != 1) {
> perror("cpufreq_cpu_exists");
> fprintf(stderr, "error: cpu %u does not exist\n", cpu);
> return -1;
>

Thanks. I will queue this up for 4.15-rc2

-- Shuah