cpufreq: Add debug print for current frequency in __cpufreq_driver_target()

[PATCH] cpufreq: Add debug print for current frequency in __cpufreq_driver_target()

Posted by Pengjie Zhang 1 week, 2 days ago

Include policy->cur in the debug message to explicitly show the frequency
transition (from current to target).

Signed-off-by: Pengjie Zhang <zhangpengjie2@huawei.com>
---
 drivers/cpufreq/cpufreq.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 4472bb1ec83c..b3d2d2e0c864 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -2361,8 +2361,8 @@ int __cpufreq_driver_target(struct cpufreq_policy *policy,
 	target_freq = __resolve_freq(policy, target_freq, policy->min,
 				     policy->max, relation);
 
-	pr_debug("target for CPU %u: %u kHz, relation %u, requested %u kHz\n",
-		 policy->cpu, target_freq, relation, old_target_freq);
+	pr_debug("CPU %u: cur %u kHz -> target %u kHz (req %u kHz, rel %u)\n",
+		policy->cpu, policy->cur, target_freq, old_target_freq, relation);
 
 	/*
 	 * This might look like a redundant call as we are checking it again
-- 
2.33.0

Re: [PATCH] cpufreq: Add debug print for current frequency in __cpufreq_driver_target()

Posted by Viresh Kumar 1 week, 2 days ago

On 29-01-26, 20:18, Pengjie Zhang wrote:
> Include policy->cur in the debug message to explicitly show the frequency
> transition (from current to target).
> 
> Signed-off-by: Pengjie Zhang <zhangpengjie2@huawei.com>
> ---
>  drivers/cpufreq/cpufreq.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
> index 4472bb1ec83c..b3d2d2e0c864 100644
> --- a/drivers/cpufreq/cpufreq.c
> +++ b/drivers/cpufreq/cpufreq.c
> @@ -2361,8 +2361,8 @@ int __cpufreq_driver_target(struct cpufreq_policy *policy,
>  	target_freq = __resolve_freq(policy, target_freq, policy->min,
>  				     policy->max, relation);
>  
> -	pr_debug("target for CPU %u: %u kHz, relation %u, requested %u kHz\n",
> -		 policy->cpu, target_freq, relation, old_target_freq);
> +	pr_debug("CPU %u: cur %u kHz -> target %u kHz (req %u kHz, rel %u)\n",
> +		policy->cpu, policy->cur, target_freq, old_target_freq, relation);
>  
>  	/*
>  	 * This might look like a redundant call as we are checking it again

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>

-- 
viresh