On Thu, 17 Dec 2020 at 19:07, Dmitry Osipenko <digetx@xxxxxxxxx> wrote:
>
> Add "performance" column to debug summary which shows performance state
> of all power domains and theirs devices.
>
> Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
Reviewed-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
As I stated for patch 20, I suggest you resend this to the linux-pm
mailing list so it can be picked up by Rafael.
Kind regards
Uffe
> ---
> drivers/base/power/domain.c | 22 +++++++++++++++++-----
> 1 file changed, 17 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
> index a3e1bfc233d4..1c60dae8540c 100644
> --- a/drivers/base/power/domain.c
> +++ b/drivers/base/power/domain.c
> @@ -2951,7 +2951,15 @@ static void rtpm_status_str(struct seq_file *s, struct device *dev)
> else
> WARN_ON(1);
>
> - seq_puts(s, p);
> + seq_printf(s, "%-25s ", p);
> +}
> +
> +static void perf_status_str(struct seq_file *s, struct device *dev)
> +{
> + struct generic_pm_domain_data *gpd_data;
> +
> + gpd_data = to_gpd_data(dev->power.subsys_data->domain_data);
> + seq_put_decimal_ull(s, "", gpd_data->performance_state);
> }
>
> static int genpd_summary_one(struct seq_file *s,
> @@ -2979,7 +2987,7 @@ static int genpd_summary_one(struct seq_file *s,
> else
> snprintf(state, sizeof(state), "%s",
> status_lookup[genpd->status]);
> - seq_printf(s, "%-30s %-15s ", genpd->name, state);
> + seq_printf(s, "%-30s %-50s %u", genpd->name, state, genpd->performance_state);
>
> /*
> * Modifications on the list require holding locks on both
> @@ -2987,7 +2995,10 @@ static int genpd_summary_one(struct seq_file *s,
> * Also genpd->name is immutable.
> */
> list_for_each_entry(link, &genpd->parent_links, parent_node) {
> - seq_printf(s, "%s", link->child->name);
> + if (list_is_first(&link->parent_node, &genpd->parent_links))
> + seq_printf(s, "\n%50s ", link->child->name);
> + else
> + seq_printf(s, "%s", link->child->name);
> if (!list_is_last(&link->parent_node, &genpd->parent_links))
> seq_puts(s, ", ");
> }
> @@ -3001,6 +3012,7 @@ static int genpd_summary_one(struct seq_file *s,
>
> seq_printf(s, "\n %-50s ", kobj_path);
> rtpm_status_str(s, pm_data->dev);
> + perf_status_str(s, pm_data->dev);
> kfree(kobj_path);
> }
>
> @@ -3016,9 +3028,9 @@ static int summary_show(struct seq_file *s, void *data)
> struct generic_pm_domain *genpd;
> int ret = 0;
>
> - seq_puts(s, "domain status children\n");
> + seq_puts(s, "domain status children performance\n");
> seq_puts(s, " /device runtime status\n");
> - seq_puts(s, "----------------------------------------------------------------------\n");
> + seq_puts(s, "----------------------------------------------------------------------------------------------\n");
>
> ret = mutex_lock_interruptible(&gpd_list_lock);
> if (ret)
> --
> 2.29.2
>
