From 45fbc464b047b3fbd760c9cb460a50a1ef2cf933 Mon Sep 17 00:00:00 2001 From: Dmitry Osipenko Date: Thu, 21 Jan 2021 00:12:32 +0300 Subject: PM: domains: Add "performance" column to debug summary Add "performance" column to debug summary which shows performance state of all power domains and theirs devices. Tested-by: Peter Geis <pgwipeout@gmail.com> Tested-by: Nicolas Chauvet <kwizart@gmail.com> Tested-by: Matt Merhar <mattmerhar@protonmail.com> [tested on NVIDIA Tegra20/30/124 SoCs] Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> --- drivers/base/power/domain.c | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-) (limited to 'drivers/base') diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index c615abf56c52..50211a402fa5 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -2985,7 +2985,15 @@ 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, @@ -3013,7 +3021,7 @@ 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 @@ -3021,6 +3029,8 @@ static int genpd_summary_one(struct seq_file *s, * Also genpd->name is immutable. */ list_for_each_entry(link, &genpd->parent_links, parent_node) { + if (list_is_first(&link->parent_node, &genpd->parent_links)) + seq_printf(s, "\n%48s", " "); seq_printf(s, "%s", link->child->name); if (!list_is_last(&link->parent_node, &genpd->parent_links)) seq_puts(s, ", "); @@ -3035,6 +3045,7 @@ 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); } @@ -3050,9 +3061,9 @@ 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) -- cgit v1.2.3