bybrooklyn/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-04-18 06:44:00 -04:00
Code Issues Packages Projects Releases Wiki Activity

pmdomain: core: Restructure domain idle states data for genpd in debugfs

Browse Source 
To prepare for additional information to be added for the domain idle
states in genpd's debugfs, let's make the existing information denser. To
allow that, let's move the static information of the domain idle states
into a separate debugfs file.

Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Ulf Hansson
2026-01-19 15:31:13 +01:00
parent a8a1c77a50
commit 32d731611a
1 changed files with 34 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
drivers/pmdomain/core.c
View File

@@ -3772,11 +3772,11 @@ static int idle_states_show(struct seq_file *s, void *data)
if (ret)
return -ERESTARTSYS;
seq_puts(s, "State Time Spent(ms) Usage Rejected Above Below\n");
seq_puts(s, "State Time(ms) Usage Rejected Above Below\n");
for (i = 0; i < genpd->state_count; i++) {
struct genpd_power_state *state = &genpd->states[i];
char state_name[15];
char state_name[7];
idle_time += state->idle_time;
@@ -3788,14 +3788,36 @@ static int idle_states_show(struct seq_file *s, void *data)
}
}
if (!state->name)
snprintf(state_name, ARRAY_SIZE(state_name), "S%-13d", i);
snprintf(state_name, ARRAY_SIZE(state_name), "S%-5d", i);
do_div(idle_time, NSEC_PER_MSEC);
seq_printf(s, "%-14s %-14llu %-10llu %-10llu %-10llu %llu\n",
state->name ?: state_name, idle_time,
state->usage, state->rejected, state->above,
state->below);
seq_printf(s, "%-6s %-14llu %-10llu %-10llu %-10llu %llu\n",
state_name, idle_time, state->usage, state->rejected,
state->above, state->below);
}
genpd_unlock(genpd);
return ret;
}
static int idle_states_desc_show(struct seq_file *s, void *data)
{
struct generic_pm_domain *genpd = s->private;
unsigned int i;
int ret = 0;
ret = genpd_lock_interruptible(genpd);
if (ret)
return -ERESTARTSYS;
seq_puts(s, "State Name\n");
for (i = 0; i < genpd->state_count; i++) {
struct genpd_power_state *state = &genpd->states[i];
char state_name[7];
snprintf(state_name, ARRAY_SIZE(state_name), "S%-5d", i);
seq_printf(s, "%-6s %s\n",
state_name, state->name ?: "N/A");
}
genpd_unlock(genpd);
@@ -3891,6 +3913,7 @@ DEFINE_SHOW_ATTRIBUTE(summary);
DEFINE_SHOW_ATTRIBUTE(status);
DEFINE_SHOW_ATTRIBUTE(sub_domains);
DEFINE_SHOW_ATTRIBUTE(idle_states);
DEFINE_SHOW_ATTRIBUTE(idle_states_desc);
DEFINE_SHOW_ATTRIBUTE(active_time);
DEFINE_SHOW_ATTRIBUTE(total_idle_time);
DEFINE_SHOW_ATTRIBUTE(devices);
@@ -3911,6 +3934,8 @@ static void genpd_debug_add(struct generic_pm_domain *genpd)
d, genpd, &sub_domains_fops);
debugfs_create_file("idle_states", 0444,
d, genpd, &idle_states_fops);
debugfs_create_file("idle_states_desc", 0444,
d, genpd, &idle_states_desc_fops);
debugfs_create_file("active_time", 0444,
d, genpd, &active_time_fops);
debugfs_create_file("total_idle_time", 0444,