[PATCH v2 21/48] PM: domains: Add "performance" column to debug summary

[Dmitry Osipenko]

Add "performance" column to debug summary which shows performance state
of all power domains and theirs devices.

Signed-off-by: Dmitry Osipenko <dig...@gmail.com>
---
 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

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