drivers/samsung/debug/sec_bootstat.c - LeafOS-Devices/android_kernel_samsung_exynos9820 - Gitiles

 /* sec_bootstat.c
  *
  * Copyright (C) 2014 Samsung Electronics
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  *
  */

 #include <linux/seq_file.h>
 #include <linux/fs.h>
 #include <linux/proc_fs.h>
 #include <linux/device.h>
 #include <linux/module.h>
 #include <linux/smp.h>
 #include <linux/sched.h>
 #include <linux/sched/clock.h>
 #include <linux/sec_class.h>
 #include <linux/sec_ext.h>
 #include <clocksource/arm_arch_timer.h>

 static u32 mct_start;

 /* timestamps at /proc/boot_stat
  * freq[3] : cluster0 / cluster1 / cluster2
  * temp[5] : cluster0 / cluster1 / cluster2 / gpu / isp
  */
 struct boot_event {
 	const char *string;
 	unsigned int time;
 	int freq[3];
 	int online;
 	int temp[5];
 	int order;
 };

 static struct boot_event boot_initcall[] = {
 	{"early",},
 	{"core",},
 	{"postcore",},
 	{"arch",},
 	{"subsys",},
 	{"fs",},
 	{"device",},
 	{"late",},
 };

 static struct boot_event boot_events[] = {
 	{"!@Boot: start init process",},
 	{"!@Boot: Begin of preload()",},
 	{"!@Boot: End of preload()",},
 	{"!@Boot: Entered the Android system server!",},
 	{"!@Boot: Start PackageManagerService",},
 	{"!@Boot: End PackageManagerService",},
 	{"!@Boot: Loop forever",},
 	{"!@Boot: performEnableScreen",},
 	{"!@Boot: Enabling Screen!",},
 	{"!@Boot: bootcomplete",},
 	{"!@Boot: Voice SVC is acquired",},
 	{"!@Boot: Data SVC is acquired",},
 	{"!@Boot_SVC : PhoneApp OnCrate",},
 	{"!@Boot_DEBUG: start networkManagement",},
 	{"!@Boot_DEBUG: end networkManagement",},
 	{"!@Boot_SVC : RIL_UNSOL_RIL_CONNECTED",},
 	{"!@Boot_SVC : setRadioPower on",},
 	{"!@Boot_SVC : setUiccSubscription",},
 	{"!@Boot_SVC : SIM onAllRecordsLoaded",},
 	{"!@Boot_SVC : RUIM onAllRecordsLoaded",},
 	{"!@Boot_SVC : setupDataCall",},
 	{"!@Boot_SVC : Response setupDataCall",},
 	{"!@Boot_SVC : onDataConnectionAttached",},
 	{"!@Boot_SVC : IMSI Ready",},
 	{"!@Boot_SVC : completeConnection",},
 	{"!@Boot_DEBUG: finishUserUnlockedCompleted",},
     {"!@Boot: setIconVisibility: ims_volte: [SHOW]",},
     {"!@Boot_DEBUG: Launcher.onCreate()",},
     {"!@Boot_DEBUG: Launcher.onResume()",},
     {"!@Boot_DEBUG: Launcher.LoaderTask.run() start",},
     {"!@Boot_DEBUG: Launcher - FinishFirstBind",},
 };

 #define MAX_LENGTH_OF_BOOTING_LOG 90
 #define DELAY_TIME_EBS 10000
 #define MAX_EVENTS_EBS 100

 struct enhanced_boot_time {
 	struct list_head next;
 	char buf[MAX_LENGTH_OF_BOOTING_LOG];
 	unsigned int time;
 	int freq[3];
 	int online;
 };

 #define MAX_LENGTH_OF_SYSTEMSERVER_LOG 90
 struct systemserver_init_time_entry {
 	struct list_head next;
 	char buf[MAX_LENGTH_OF_SYSTEMSERVER_LOG];
 };

 static bool bootcompleted = false;
 static bool ebs_finished = false;
 unsigned long long boot_complete_time = 0;
 static int events_ebs = 0;

 LIST_HEAD(device_init_time_list);
 LIST_HEAD(systemserver_init_time_list);
 LIST_HEAD(enhanced_boot_time_list);

 void sec_bootstat_mct_start(u64 rate)
 {
 	mct_start = (u32)(rate & 0xFFFFFFFF);
 }

 void sec_bootstat_add_initcall(const char *s)
 {
 	size_t i = 0;
 	unsigned long long t = 0;

 	for (i = 0; i < ARRAY_SIZE(boot_initcall); i++) {
 		if (!strcmp(s, boot_initcall[i].string)) {
 			t = local_clock();
 			do_div(t, 1000000);
 			boot_initcall[i].time = (unsigned int)t;
 			break;
 		}
 	}
 }

 static DEFINE_RAW_SPINLOCK(ebs_list_lock);
 void sec_enhanced_boot_stat_record(const char *buf)
 {
 	unsigned long long t = 0;
 	struct enhanced_boot_time *entry;
 	unsigned long flags;

 	entry = kmalloc(sizeof(*entry), GFP_KERNEL);
 	if (!entry)
 		return;
 	strncpy(entry->buf, buf, MAX_LENGTH_OF_BOOTING_LOG);
 	entry->buf[MAX_LENGTH_OF_BOOTING_LOG-1] = '\0';
 	t = local_clock();
 	do_div(t, 1000000);
 	entry->time = (unsigned int)t;
 	sec_bootstat_get_cpuinfo(entry->freq, &entry->online);

 	raw_spin_lock_irqsave(&ebs_list_lock, flags);
 	list_add(&entry->next, &enhanced_boot_time_list);
 	events_ebs++;

 	raw_spin_unlock_irqrestore(&ebs_list_lock, flags);
 }

 static int prev;
 void sec_bootstat_add(const char *c)
 {
 	size_t i = 0;
 	unsigned long long t = 0;

 	if (bootcompleted && !ebs_finished) {
 		t = local_clock();
 		do_div(t, 1000000);
 		if ((t - boot_complete_time) >= DELAY_TIME_EBS)
 			ebs_finished = true;
 	}

 	// Collect Boot_EBS from java side
 	if (!ebs_finished && events_ebs < MAX_EVENTS_EBS){
 		if (!strncmp(c, "!@Boot_EBS: ", 12)) {
 			sec_enhanced_boot_stat_record(c + 12);
 			return;
 		}
 		else if (!strncmp(c, "!@Boot_EBS_", 11)) {
 			sec_enhanced_boot_stat_record(c);
 			return;
 		}
 	}

 	if(!bootcompleted && !strncmp(c, "!@Boot_SystemServer: ", 21)){
 		struct systemserver_init_time_entry *entry;
 		entry = kmalloc(sizeof(*entry), GFP_KERNEL);
 		if (!entry)
 			return;
 		strncpy(entry->buf,c+ 21, MAX_LENGTH_OF_SYSTEMSERVER_LOG);
 		entry->buf[MAX_LENGTH_OF_SYSTEMSERVER_LOG-1] = '\0';
 		list_add(&entry->next, &systemserver_init_time_list);
 		return;
 	}

 	for (i = 0; i < ARRAY_SIZE(boot_events); i++) {
 		if (!strcmp(c, boot_events[i].string)) {
 			if (boot_events[i].time == 0) {
 				boot_events[prev].order = i;
 				prev = i;

 				t = local_clock();
 				do_div(t, 1000000);
 				boot_events[i].time = (unsigned int)t;
 				sec_bootstat_get_cpuinfo(boot_events[i].freq, &boot_events[i].online);
 				sec_bootstat_get_thermal(boot_events[i].temp);
 			}
 			// careful check bootcomplete message index 9
 			if(i == 9) {
 				bootcompleted = true;
 				boot_complete_time = local_clock();
 				do_div(boot_complete_time, 1000000);
 			}
 			break;
 		}
 	}
 }

 void print_format(struct boot_event *data, struct seq_file *m, int index, int delta)
 {
 	seq_printf(m, "%-50s %6u %6u %6d %4d %4d %4d L%d%d%d%d M%d%d B%d%d %2d %2d %2d %2d %2d\n",
 		data[index].string, data[index].time + mct_start,
 		data[index].time, delta,
 		data[index].freq[0] / 1000,
 		data[index].freq[1] / 1000,
 		data[index].freq[2] / 1000,
 		data[index].online & 1,
 		(data[index].online >> 1) & 1,
 		(data[index].online >> 2) & 1,
 		(data[index].online >> 3) & 1,
 		(data[index].online >> 4) & 1,
 		(data[index].online >> 5) & 1,
 		(data[index].online >> 6) & 1,
 		(data[index].online >> 7) & 1,
 		data[index].temp[0],
 		data[index].temp[1],
 		data[index].temp[2],
 		data[index].temp[3],
 		data[index].temp[4]
 		);
 }

 static int sec_boot_stat_proc_show(struct seq_file *m, void *v)
 {
 	size_t i = 0;
 	unsigned int last_time = 0;
 	struct device_init_time_entry *entry;
 	struct systemserver_init_time_entry *systemserver_entry;

 	seq_puts(m, "boot event                                           time  ktime  delta f_c0 f_c1 f_c2  online_mask   B  M  L  G  I\n");
 	seq_puts(m, "-------------------------------------------------------------------------------------------------------------------\n");
 	seq_puts(m, "BOOTLOADER - KERNEL\n");
 	seq_puts(m, "-------------------------------------------------------------------------------------------------------------------\n");
 	seq_printf(m, "MCT is initialized in bl2                          %6u %6u %6u\n", 0, 0, 0);
 	seq_printf(m, "start kernel timer                                 %6u %6u %6u\n", mct_start, 0, mct_start);

 	for (i = 0; i < ARRAY_SIZE(boot_initcall); i++) {
 		print_format(boot_initcall, m, i, boot_initcall[i].time - last_time);
 		last_time = boot_initcall[i].time;
 	}

 	seq_puts(m, "-------------------------------------------------------------------------------------------------------------------\n");
 	seq_puts(m, "FRAMEWORK\n");
 	seq_puts(m, "-------------------------------------------------------------------------------------------------------------------\n");
 	i = 0;
 	do {
 		if (boot_events[i].time != 0) {
 			print_format(boot_events, m, i, boot_events[i].time - last_time);
 			last_time = boot_events[i].time;
 		}

 		if (i != boot_events[i].order)
 			i = boot_events[i].order;
 		else
 			break;
 	} while (i > 0 && i < ARRAY_SIZE(boot_events));

 	seq_puts(m, "-------------------------------------------------------------------------------------------------------------------\n");
 	seq_printf(m, "device init time over %d ms\n\n",
 			DEVICE_INIT_TIME_100MS / 1000);

 	list_for_each_entry (entry, &device_init_time_list, next)
 		seq_printf(m, "%-20s : %lld usces\n",
 				entry->buf, entry->duration);

 	seq_puts(m, "-------------------------------------------------------------------------------------------------------------------\n");
 	seq_puts(m, "SystemServer services that took long time\n\n");
 	list_for_each_entry (systemserver_entry, &systemserver_init_time_list, next)
 		seq_printf(m, "%s\n",systemserver_entry->buf);

 	return 0;
 }

 static int sec_enhanced_boot_stat_proc_show(struct seq_file *m, void *v)
 {
 	size_t i = 0;
 	unsigned int last_time = 0;
 	struct enhanced_boot_time *entry;

 	seq_printf(m, "%-90s %6s %6s %6s %4s %4s %4s\n", "Boot Events", "time", "ktime", "delta", "f_c0", "f_c1", "f_c2");
 	seq_puts(m, "-----------------------------------------------------------------------------------------------------------------------\n");
 	seq_puts(m, "BOOTLOADER - KERNEL\n");
 	seq_puts(m, "-----------------------------------------------------------------------------------------------------------------------\n");
 	seq_printf(m, "%-90s %6u %6u %6u\n", "MCT is initialized in bl2", 0, 0, 0);
 	seq_printf(m, "%-90s %6u %6u %6u\n", "start kernel timer", mct_start, 0, mct_start);

 	for (i = 0; i < ARRAY_SIZE(boot_initcall); i++) {
 		seq_printf(m, "%-90s %6u %6u %6u %4d %4d %4d\n", boot_initcall[i].string, boot_initcall[i].time + mct_start, boot_initcall[i].time,
 				boot_initcall[i].time - last_time, boot_initcall[i].freq[0] / 1000, boot_initcall[i].freq[1] / 1000, boot_initcall[i].freq[2] / 1000);
 		last_time = boot_initcall[i].time;
 	}

 	seq_puts(m, "-----------------------------------------------------------------------------------------------------------------------\n");
 	seq_puts(m, "FRAMEWORK\n");
 	seq_puts(m, "-----------------------------------------------------------------------------------------------------------------------\n");
 	list_for_each_entry_reverse (entry, &enhanced_boot_time_list, next){
 		if (entry->buf[0] == '!') {
 			seq_printf(m, "%-90s %6u %6u %6u %4d %4d %4d\n", entry->buf, entry->time + mct_start, entry->time, entry->time - last_time,
 			entry->freq[0] / 1000, entry->freq[1] / 1000, entry->freq[2] / 1000);
 			last_time = entry->time;
 		}
 		else {
 			seq_printf(m, "%-90s %6u %6u %11d %4d %4d\n", entry->buf, entry->time + mct_start, entry->time, entry->freq[0] / 1000, entry->freq[1] / 1000, entry->freq[2] / 1000);
 		}
 	}
 	return 0;
 }

 static int sec_boot_stat_proc_open(struct inode *inode, struct file *file)
 {
 	return single_open(file, sec_boot_stat_proc_show, NULL);
 }

 static int sec_enhanced_boot_stat_proc_open(struct inode *inode, struct file *file)
 {
 	return single_open(file, sec_enhanced_boot_stat_proc_show, NULL);
 }

 static const struct file_operations sec_boot_stat_proc_fops = {
 	.open    = sec_boot_stat_proc_open,
 	.read    = seq_read,
 	.llseek  = seq_lseek,
 	.release = single_release,
 };

 static const struct file_operations sec_enhanced_boot_stat_proc_fops = {
 	.open    = sec_enhanced_boot_stat_proc_open,
 	.read    = seq_read,
 	.llseek  = seq_lseek,
 	.release = single_release,
 };

 static ssize_t store_boot_stat(struct device *dev, struct device_attribute *attr,
 			const char *buf, size_t count)
 {
 	unsigned long long t = 0;

 	// Collect Boot_EBS from native side
 	if (!ebs_finished && events_ebs < MAX_EVENTS_EBS) {
 		if (!strncmp(buf, "!@Boot_EBS: ", 12)) {
 			sec_enhanced_boot_stat_record(buf + 12);
 			return count;
 		}
 		else if (!strncmp(buf, "!@Boot_EBS_", 11)) {
 			sec_enhanced_boot_stat_record(buf);
 			return count;
 		}
 	}

 	if (!strncmp(buf, "!@Boot: start init process", 26)) {
 		t = local_clock();
 		do_div(t, 1000000);
 		boot_events[0].time = (unsigned int)t;
 		sec_bootstat_get_cpuinfo(boot_events[0].freq, &boot_events[0].online);
 		sec_bootstat_get_thermal(boot_events[0].temp);
 	}

 	return count;
 }

 static DEVICE_ATTR(boot_stat, 0220, NULL, store_boot_stat);

 static int __init sec_bootstat_init(void)
 {
 	struct proc_dir_entry *entry;
 	struct proc_dir_entry *enhanced_entry;
 	struct device *dev;

 	u32 arch_timer_rate;

 	// mct
 	arch_timer_rate = arch_timer_get_rate();
 	arch_timer_rate /= 1000;
 	if (arch_timer_rate)
 		mct_start /= arch_timer_rate;

 	// proc
 	entry = proc_create("boot_stat", S_IRUGO, NULL, &sec_boot_stat_proc_fops);
 	if (!entry)
 		return -ENOMEM;
 	enhanced_entry = proc_create("enhanced_boot_stat", S_IRUGO, NULL, &sec_enhanced_boot_stat_proc_fops);
 	if (!enhanced_entry)
 		return -ENOMEM;

 	// sysfs
 	dev = sec_device_create(NULL, "bsp");
 	BUG_ON(!dev);
 	if (IS_ERR(dev))
 		pr_err("%s:Failed to create devce\n", __func__);

 	if (device_create_file(dev, &dev_attr_boot_stat) < 0)
 		pr_err("%s: Failed to create device file\n", __func__);

 	return 0;
 }

 module_init(sec_bootstat_init);
	/* sec_bootstat.c
	*
	* Copyright (C) 2014 Samsung Electronics
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation; either version 2 of the License, or
	* (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	*
	*/

	#include <linux/seq_file.h>
	#include <linux/fs.h>
	#include <linux/proc_fs.h>
	#include <linux/device.h>
	#include <linux/module.h>
	#include <linux/smp.h>
	#include <linux/sched.h>
	#include <linux/sched/clock.h>
	#include <linux/sec_class.h>
	#include <linux/sec_ext.h>
	#include <clocksource/arm_arch_timer.h>

	static u32 mct_start;

	/* timestamps at /proc/boot_stat
	* freq[3] : cluster0 / cluster1 / cluster2
	* temp[5] : cluster0 / cluster1 / cluster2 / gpu / isp
	*/
	struct boot_event {
	const char *string;
	unsigned int time;
	int freq[3];
	int online;
	int temp[5];
	int order;
	};

	static struct boot_event boot_initcall[] = {
	{"early",},
	{"core",},
	{"postcore",},
	{"arch",},
	{"subsys",},
	{"fs",},
	{"device",},
	{"late",},
	};

	static struct boot_event boot_events[] = {
	{"!@Boot: start init process",},
	{"!@Boot: Begin of preload()",},
	{"!@Boot: End of preload()",},
	{"!@Boot: Entered the Android system server!",},
	{"!@Boot: Start PackageManagerService",},
	{"!@Boot: End PackageManagerService",},
	{"!@Boot: Loop forever",},
	{"!@Boot: performEnableScreen",},
	{"!@Boot: Enabling Screen!",},
	{"!@Boot: bootcomplete",},
	{"!@Boot: Voice SVC is acquired",},
	{"!@Boot: Data SVC is acquired",},
	{"!@Boot_SVC : PhoneApp OnCrate",},
	{"!@Boot_DEBUG: start networkManagement",},
	{"!@Boot_DEBUG: end networkManagement",},
	{"!@Boot_SVC : RIL_UNSOL_RIL_CONNECTED",},
	{"!@Boot_SVC : setRadioPower on",},
	{"!@Boot_SVC : setUiccSubscription",},
	{"!@Boot_SVC : SIM onAllRecordsLoaded",},
	{"!@Boot_SVC : RUIM onAllRecordsLoaded",},
	{"!@Boot_SVC : setupDataCall",},
	{"!@Boot_SVC : Response setupDataCall",},
	{"!@Boot_SVC : onDataConnectionAttached",},
	{"!@Boot_SVC : IMSI Ready",},
	{"!@Boot_SVC : completeConnection",},
	{"!@Boot_DEBUG: finishUserUnlockedCompleted",},
	{"!@Boot: setIconVisibility: ims_volte: [SHOW]",},
	{"!@Boot_DEBUG: Launcher.onCreate()",},
	{"!@Boot_DEBUG: Launcher.onResume()",},
	{"!@Boot_DEBUG: Launcher.LoaderTask.run() start",},
	{"!@Boot_DEBUG: Launcher - FinishFirstBind",},
	};

	#define MAX_LENGTH_OF_BOOTING_LOG 90
	#define DELAY_TIME_EBS 10000
	#define MAX_EVENTS_EBS 100

	struct enhanced_boot_time {
	struct list_head next;
	char buf[MAX_LENGTH_OF_BOOTING_LOG];
	unsigned int time;
	int freq[3];
	int online;
	};

	#define MAX_LENGTH_OF_SYSTEMSERVER_LOG 90
	struct systemserver_init_time_entry {
	struct list_head next;
	char buf[MAX_LENGTH_OF_SYSTEMSERVER_LOG];
	};

	static bool bootcompleted = false;
	static bool ebs_finished = false;
	unsigned long long boot_complete_time = 0;
	static int events_ebs = 0;

	LIST_HEAD(device_init_time_list);
	LIST_HEAD(systemserver_init_time_list);
	LIST_HEAD(enhanced_boot_time_list);

	void sec_bootstat_mct_start(u64 rate)
	{
	mct_start = (u32)(rate & 0xFFFFFFFF);
	}

	void sec_bootstat_add_initcall(const char *s)
	{
	size_t i = 0;
	unsigned long long t = 0;

	for (i = 0; i < ARRAY_SIZE(boot_initcall); i++) {
	if (!strcmp(s, boot_initcall[i].string)) {
	t = local_clock();
	do_div(t, 1000000);
	boot_initcall[i].time = (unsigned int)t;
	break;
	}
	}
	}

	static DEFINE_RAW_SPINLOCK(ebs_list_lock);
	void sec_enhanced_boot_stat_record(const char *buf)
	{
	unsigned long long t = 0;
	struct enhanced_boot_time *entry;
	unsigned long flags;

	entry = kmalloc(sizeof(*entry), GFP_KERNEL);
	if (!entry)
	return;
	strncpy(entry->buf, buf, MAX_LENGTH_OF_BOOTING_LOG);
	entry->buf[MAX_LENGTH_OF_BOOTING_LOG-1] = '\0';
	t = local_clock();
	do_div(t, 1000000);
	entry->time = (unsigned int)t;
	sec_bootstat_get_cpuinfo(entry->freq, &entry->online);

	raw_spin_lock_irqsave(&ebs_list_lock, flags);
	list_add(&entry->next, &enhanced_boot_time_list);
	events_ebs++;

	raw_spin_unlock_irqrestore(&ebs_list_lock, flags);
	}

	static int prev;
	void sec_bootstat_add(const char *c)
	{
	size_t i = 0;
	unsigned long long t = 0;

	if (bootcompleted && !ebs_finished) {
	t = local_clock();
	do_div(t, 1000000);
	if ((t - boot_complete_time) >= DELAY_TIME_EBS)
	ebs_finished = true;
	}

	// Collect Boot_EBS from java side
	if (!ebs_finished && events_ebs < MAX_EVENTS_EBS){
	if (!strncmp(c, "!@Boot_EBS: ", 12)) {
	sec_enhanced_boot_stat_record(c + 12);
	return;
	}
	else if (!strncmp(c, "!@Boot_EBS_", 11)) {
	sec_enhanced_boot_stat_record(c);
	return;
	}
	}

	if(!bootcompleted && !strncmp(c, "!@Boot_SystemServer: ", 21)){
	struct systemserver_init_time_entry *entry;
	entry = kmalloc(sizeof(*entry), GFP_KERNEL);
	if (!entry)
	return;
	strncpy(entry->buf,c+ 21, MAX_LENGTH_OF_SYSTEMSERVER_LOG);
	entry->buf[MAX_LENGTH_OF_SYSTEMSERVER_LOG-1] = '\0';
	list_add(&entry->next, &systemserver_init_time_list);
	return;
	}

	for (i = 0; i < ARRAY_SIZE(boot_events); i++) {
	if (!strcmp(c, boot_events[i].string)) {
	if (boot_events[i].time == 0) {
	boot_events[prev].order = i;
	prev = i;

	t = local_clock();
	do_div(t, 1000000);
	boot_events[i].time = (unsigned int)t;
	sec_bootstat_get_cpuinfo(boot_events[i].freq, &boot_events[i].online);
	sec_bootstat_get_thermal(boot_events[i].temp);
	}
	// careful check bootcomplete message index 9
	if(i == 9) {
	bootcompleted = true;
	boot_complete_time = local_clock();
	do_div(boot_complete_time, 1000000);
	}
	break;
	}
	}
	}

	void print_format(struct boot_event data, struct seq_file m, int index, int delta)
	{
	seq_printf(m, "%-50s %6u %6u %6d %4d %4d %4d L%d%d%d%d M%d%d B%d%d %2d %2d %2d %2d %2d\n",
	data[index].string, data[index].time + mct_start,
	data[index].time, delta,
	data[index].freq[0] / 1000,
	data[index].freq[1] / 1000,
	data[index].freq[2] / 1000,
	data[index].online & 1,
	(data[index].online >> 1) & 1,
	(data[index].online >> 2) & 1,
	(data[index].online >> 3) & 1,
	(data[index].online >> 4) & 1,
	(data[index].online >> 5) & 1,
	(data[index].online >> 6) & 1,
	(data[index].online >> 7) & 1,
	data[index].temp[0],
	data[index].temp[1],
	data[index].temp[2],
	data[index].temp[3],
	data[index].temp[4]
	);
	}

	static int sec_boot_stat_proc_show(struct seq_file m, void v)
	{
	size_t i = 0;
	unsigned int last_time = 0;
	struct device_init_time_entry *entry;
	struct systemserver_init_time_entry *systemserver_entry;

	seq_puts(m, "boot event time ktime delta f_c0 f_c1 f_c2 online_mask B M L G I\n");
	seq_puts(m, "-------------------------------------------------------------------------------------------------------------------\n");
	seq_puts(m, "BOOTLOADER - KERNEL\n");
	seq_puts(m, "-------------------------------------------------------------------------------------------------------------------\n");
	seq_printf(m, "MCT is initialized in bl2 %6u %6u %6u\n", 0, 0, 0);
	seq_printf(m, "start kernel timer %6u %6u %6u\n", mct_start, 0, mct_start);

	for (i = 0; i < ARRAY_SIZE(boot_initcall); i++) {
	print_format(boot_initcall, m, i, boot_initcall[i].time - last_time);
	last_time = boot_initcall[i].time;
	}

	seq_puts(m, "-------------------------------------------------------------------------------------------------------------------\n");
	seq_puts(m, "FRAMEWORK\n");
	seq_puts(m, "-------------------------------------------------------------------------------------------------------------------\n");
	i = 0;
	do {
	if (boot_events[i].time != 0) {
	print_format(boot_events, m, i, boot_events[i].time - last_time);
	last_time = boot_events[i].time;
	}

	if (i != boot_events[i].order)
	i = boot_events[i].order;
	else
	break;
	} while (i > 0 && i < ARRAY_SIZE(boot_events));

	seq_puts(m, "-------------------------------------------------------------------------------------------------------------------\n");
	seq_printf(m, "device init time over %d ms\n\n",
	DEVICE_INIT_TIME_100MS / 1000);

	list_for_each_entry (entry, &device_init_time_list, next)
	seq_printf(m, "%-20s : %lld usces\n",
	entry->buf, entry->duration);

	seq_puts(m, "-------------------------------------------------------------------------------------------------------------------\n");
	seq_puts(m, "SystemServer services that took long time\n\n");
	list_for_each_entry (systemserver_entry, &systemserver_init_time_list, next)
	seq_printf(m, "%s\n",systemserver_entry->buf);

	return 0;
	}

	static int sec_enhanced_boot_stat_proc_show(struct seq_file m, void v)
	{
	size_t i = 0;
	unsigned int last_time = 0;
	struct enhanced_boot_time *entry;

	seq_printf(m, "%-90s %6s %6s %6s %4s %4s %4s\n", "Boot Events", "time", "ktime", "delta", "f_c0", "f_c1", "f_c2");
	seq_puts(m, "-----------------------------------------------------------------------------------------------------------------------\n");
	seq_puts(m, "BOOTLOADER - KERNEL\n");
	seq_puts(m, "-----------------------------------------------------------------------------------------------------------------------\n");
	seq_printf(m, "%-90s %6u %6u %6u\n", "MCT is initialized in bl2", 0, 0, 0);
	seq_printf(m, "%-90s %6u %6u %6u\n", "start kernel timer", mct_start, 0, mct_start);

	for (i = 0; i < ARRAY_SIZE(boot_initcall); i++) {
	seq_printf(m, "%-90s %6u %6u %6u %4d %4d %4d\n", boot_initcall[i].string, boot_initcall[i].time + mct_start, boot_initcall[i].time,
	boot_initcall[i].time - last_time, boot_initcall[i].freq[0] / 1000, boot_initcall[i].freq[1] / 1000, boot_initcall[i].freq[2] / 1000);
	last_time = boot_initcall[i].time;
	}

	seq_puts(m, "-----------------------------------------------------------------------------------------------------------------------\n");
	seq_puts(m, "FRAMEWORK\n");
	seq_puts(m, "-----------------------------------------------------------------------------------------------------------------------\n");
	list_for_each_entry_reverse (entry, &enhanced_boot_time_list, next){
	if (entry->buf[0] == '!') {
	seq_printf(m, "%-90s %6u %6u %6u %4d %4d %4d\n", entry->buf, entry->time + mct_start, entry->time, entry->time - last_time,
	entry->freq[0] / 1000, entry->freq[1] / 1000, entry->freq[2] / 1000);
	last_time = entry->time;
	}
	else {
	seq_printf(m, "%-90s %6u %6u %11d %4d %4d\n", entry->buf, entry->time + mct_start, entry->time, entry->freq[0] / 1000, entry->freq[1] / 1000, entry->freq[2] / 1000);
	}
	}
	return 0;
	}

	static int sec_boot_stat_proc_open(struct inode inode, struct file file)
	{
	return single_open(file, sec_boot_stat_proc_show, NULL);
	}

	static int sec_enhanced_boot_stat_proc_open(struct inode inode, struct file file)
	{
	return single_open(file, sec_enhanced_boot_stat_proc_show, NULL);
	}

	static const struct file_operations sec_boot_stat_proc_fops = {
	.open = sec_boot_stat_proc_open,
	.read = seq_read,
	.llseek = seq_lseek,
	.release = single_release,
	};

	static const struct file_operations sec_enhanced_boot_stat_proc_fops = {
	.open = sec_enhanced_boot_stat_proc_open,
	.read = seq_read,
	.llseek = seq_lseek,
	.release = single_release,
	};

	static ssize_t store_boot_stat(struct device dev, struct device_attribute attr,
	const char *buf, size_t count)
	{
	unsigned long long t = 0;

	// Collect Boot_EBS from native side
	if (!ebs_finished && events_ebs < MAX_EVENTS_EBS) {
	if (!strncmp(buf, "!@Boot_EBS: ", 12)) {
	sec_enhanced_boot_stat_record(buf + 12);
	return count;
	}
	else if (!strncmp(buf, "!@Boot_EBS_", 11)) {
	sec_enhanced_boot_stat_record(buf);
	return count;
	}
	}

	if (!strncmp(buf, "!@Boot: start init process", 26)) {
	t = local_clock();
	do_div(t, 1000000);
	boot_events[0].time = (unsigned int)t;
	sec_bootstat_get_cpuinfo(boot_events[0].freq, &boot_events[0].online);
	sec_bootstat_get_thermal(boot_events[0].temp);
	}

	return count;
	}

	static DEVICE_ATTR(boot_stat, 0220, NULL, store_boot_stat);

	static int __init sec_bootstat_init(void)
	{
	struct proc_dir_entry *entry;
	struct proc_dir_entry *enhanced_entry;
	struct device *dev;

	u32 arch_timer_rate;

	// mct
	arch_timer_rate = arch_timer_get_rate();
	arch_timer_rate /= 1000;
	if (arch_timer_rate)
	mct_start /= arch_timer_rate;

	// proc
	entry = proc_create("boot_stat", S_IRUGO, NULL, &sec_boot_stat_proc_fops);
	if (!entry)
	return -ENOMEM;
	enhanced_entry = proc_create("enhanced_boot_stat", S_IRUGO, NULL, &sec_enhanced_boot_stat_proc_fops);
	if (!enhanced_entry)
	return -ENOMEM;

	// sysfs
	dev = sec_device_create(NULL, "bsp");
	BUG_ON(!dev);
	if (IS_ERR(dev))
	pr_err("%s:Failed to create devce\n", __func__);

	if (device_create_file(dev, &dev_attr_boot_stat) < 0)
	pr_err("%s: Failed to create device file\n", __func__);

	return 0;
	}

	module_init(sec_bootstat_init);