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uid_cputime: skip power reporting per uid for now

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AOSP's cpufreq_stats patch to report power/current
per cpufreq is broken at the moment so skip power
reporting for now.

Change-Id: I07779511f51ff3a9303dc98a3b71ac0a5882a4e9
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
This commit is contained in:
Amit Pundir 2015-12-14 11:56:35 +05:30 committed by John Stultz
parent d19dc26df6
commit 21b0489251
1 changed files with 2 additions and 16 deletions
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18
drivers/misc/uid_cputime.c
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@ -38,8 +38,6 @@ struct uid_entry {
cputime_t stime;
cputime_t active_utime;
cputime_t active_stime;
unsigned long long active_power;
unsigned long long power;
struct hlist_node hash;
};
@ -85,7 +83,6 @@ static int uid_stat_show(struct seq_file *m, void *v)
hash_for_each(hash_table, bkt, uid_entry, hash) {
uid_entry->active_stime = 0;
uid_entry->active_utime = 0;
uid_entry->active_power = 0;
}
read_lock(&tasklist_lock);
@ -100,15 +97,9 @@ static int uid_stat_show(struct seq_file *m, void *v)
task_uid(task)));
return -ENOMEM;
}
/* if this task is exiting, we have already accounted for the
* time and power.
*/
if (task->cpu_power == ULLONG_MAX)
continue;
task_cputime_adjusted(task, &utime, &stime);
uid_entry->active_utime += utime;
uid_entry->active_stime += stime;
uid_entry->active_power += task->cpu_power;
} while_each_thread(temp, task);
read_unlock(&tasklist_lock);
@ -117,14 +108,11 @@ static int uid_stat_show(struct seq_file *m, void *v)
uid_entry->active_utime;
cputime_t total_stime = uid_entry->stime +
uid_entry->active_stime;
unsigned long long total_power = uid_entry->power +
uid_entry->active_power;
seq_printf(m, "%d: %llu %llu %llu\n", uid_entry->uid,
seq_printf(m, "%d: %llu %llu\n", uid_entry->uid,
(unsigned long long)jiffies_to_msecs(
cputime_to_jiffies(total_utime)) * USEC_PER_MSEC,
(unsigned long long)jiffies_to_msecs(
cputime_to_jiffies(total_stime)) * USEC_PER_MSEC,
total_power);
cputime_to_jiffies(total_stime)) * USEC_PER_MSEC);
}
mutex_unlock(&uid_lock);
@ -218,8 +206,6 @@ static int process_notifier(struct notifier_block *self,
task_cputime_adjusted(task, &utime, &stime);
uid_entry->utime += utime;
uid_entry->stime += stime;
uid_entry->power += task->cpu_power;
task->cpu_power = ULLONG_MAX;
exit:
mutex_unlock(&uid_lock);