| /* 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> |
| #include <linux/slab.h> |
| |
| static u32 mct_start; |
| |
| /* timestamps at /proc/boot_stat |
| * freq[2] : cluster0 / cluster1 |
| * temp[4] : cluster0 / cluster1 / gpu / isp |
| */ |
| struct boot_event { |
| const char *string; |
| unsigned int time; |
| int freq[2]; |
| int online; |
| int temp[4]; |
| 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[2]; |
| 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 L%d%d%d%d B%d%d%d%d %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].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] |
| ); |
| } |
| |
| 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 online mask B 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\n", "Boot Events", "time", "ktime", "delta", "f_c0", "f_c1"); |
| 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\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); |
| 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\n", entry->buf, entry->time + mct_start, entry->time, entry->time - last_time, |
| entry->freq[0] / 1000, entry->freq[1] / 1000); |
| last_time = entry->time; |
| } |
| else { |
| seq_printf(m, "%-90s %6u %6u %11d %4d\n", entry->buf, entry->time + mct_start, entry->time, entry->freq[0] / 1000, entry->freq[1] / 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); |