linux-kernel - Re: [PATCH v2] cpupowerutils: bench

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Message-Id: <3a6fd547-b367-6e35-7fb5-5ab8d1139b5b@linux.vnet.ibm.com>
Date:   Tue, 7 Nov 2017 15:20:29 +0530
From:   Abhishek <huntbag@...ux.vnet.ibm.com>
To:     Shuah Khan <shuahkh@....samsung.com>,
        Shuah Khan <shuah@...nel.org>,
        Thomas Renninger <trenn@...e.com>, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] cpupowerutils: bench - Fix cpu online check

Hi,

Can you please have a look at this also?

Thanks and Regards,
Abhishek Goel
System Engineer
IBM India Pvt. Ltd.

On 11/07/2017 03:17 PM, 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@...ux.vnet.ibm.com>
> ---
> 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;