static int __init msm_sleep_info_init(void)
{
int err = 0, cpu = 0;
struct sleep_data *sleep_info = NULL;
struct hrtimer *timer;
//printk(KERN_INFO "msm_sleep_stats: Initializing sleep stats ");
sleep_info = &core_sleep_info;
adaptive_wq = create_singlethread_workqueue("adaptive");
INIT_WORK(&sleep_info->work, notify_uspace_work_fn);
sleep_info->notifier.notifier_call = msm_idle_stats_notified;
for_each_possible_cpu(cpu) {
timer = &per_cpu(core_sleep_timer, cpu);
hrtimer_init(timer, CLOCK_MONOTONIC,
HRTIMER_MODE_REL);
timer->function = timer_func;
err = msm_cpuidle_register_notifier(cpu,
&sleep_info->notifier);
if (err) {
/*pr_err("%s: failed to register idle notification\n", __func__)*/;
}
}
err = add_sysfs_objects(sleep_info);
if (err) {
//printk(KERN_INFO "msm_sleep_stats: Failed to initialize sleep stats");
remove_sysfs_objects(sleep_info);
}
return 0;
}
static int __init msm_sleep_info_init(void)
{
int err = 0;
int cpu;
struct sleep_data *sleep_info = NULL;
msm_stats_wq = create_workqueue("msm_stats_wq");
if (!msm_stats_wq) {
printk(KERN_ERR "Creation of msm_stats_wq failed!!\n");
return -EINVAL;
}
/* Register callback from idle for all cpus */
msm_idle_register_cb(idle_enter, idle_exit);
INIT_DELAYED_WORK_DEFERRABLE(&rq_info.rq_work, rq_work_fn);
INIT_DELAYED_WORK_DEFERRABLE(&rq_info.def_timer_work, def_work_fn);
init_rq_attribs();
for_each_possible_cpu(cpu) {
printk(KERN_INFO "msm_sleep_stats: Initializing sleep stats "
"for CPU[%d]\n", cpu);
sleep_info = &per_cpu(core_sleep_info, cpu);
sleep_info->cpu = cpu;
INIT_WORK(&sleep_info->work, notify_uspace_work_fn);
/* Initialize high resolution timer */
hrtimer_init(&sleep_info->timer, CLOCK_MONOTONIC,
HRTIMER_MODE_REL);
sleep_info->timer.function = timer_func;
/* Register for cpufreq policy changes */
sleep_info->nb.notifier_call = policy_change_notifier;
err = cpufreq_register_notifier(&sleep_info->nb,
CPUFREQ_POLICY_NOTIFIER);
if (err)
goto cleanup;
/* Create sysfs object */
err = add_sysfs_objects(sleep_info);
if (err)
goto cleanup;
continue;
cleanup:
printk(KERN_INFO "msm_sleep_stats: Failed to initialize sleep "
"stats for CPU[%d]\n", cpu);
sleep_info->cpu = -1;
cpufreq_unregister_notifier(&sleep_info->nb,
CPUFREQ_POLICY_NOTIFIER);
remove_sysfs_objects(sleep_info);
}
return 0;
}
