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#include <linux/proc_fs.h>
#include <linux/sched.h>
#include <linux/seq_file.h>
#include <linux/kallsyms.h>
#include <linux/utsname.h>
#include <linux/uaccess.h>
#include "prof_ctl.h"
#include <linux/module.h>
#include <linux/pid.h>
#include <linux/irq.h>
#include <linux/irqnr.h>
#include <linux/interrupt.h>
#include <linux/mt_sched_mon.h>
#include <linux/aee.h>
#include <linux/stacktrace.h>
#ifdef CONFIG_MT_SCHED_MONITOR
static long long usec_high(unsigned long long usec)
{
if ((long long)usec < 0) {
usec = -usec;
do_div(usec, 1000);
return -usec;
}
do_div(usec, 1000);
return usec;
}
static const char *isr_name(int irq)
{
struct irqaction *action;
struct irq_desc *desc;
desc = irq_to_desc(irq);
if (!desc)
return NULL;
else {
action = desc->action;
if (!action)
return NULL;
else
return action->name;
}
}
void mt_show_last_irq_counts(void);
void mt_show_current_irq_counts(void);
void mt_show_timer_info(void);
static void mt_aee_show_current_irq_counts(void);
static void mt_aee_show_timer_info(void);
void mt_save_irq_counts(void);
extern void aee_wdt_printf(const char *fmt, ...);
void mt_dump_sched_traces(void)
{
struct sched_block_event *b_isr, *b_sq, *b_tk, *b_hrt, *b_sft;
struct sched_stop_event *e_irq, *e_pmpt;
int cpu;
for_each_possible_cpu(cpu) {
b_isr = &per_cpu(ISR_mon, cpu);
b_sq = &per_cpu(SoftIRQ_mon, cpu);
b_tk = &per_cpu(tasklet_mon, cpu);
b_hrt = &per_cpu(hrt_mon, cpu);
b_sft = &per_cpu(sft_mon, cpu);
e_pmpt = &per_cpu(Preempt_disable_mon, cpu);
e_irq = &per_cpu(IRQ_disable_mon, cpu);
pr_err("==CPU[%d]==\n", cpu);
b_isr->cur_event == 0 ?
pr_err("[ISR]last_irq:%d, dur:%llu ns (s:%llu, e:%llu)\n\n",
(int)b_isr->last_event, b_isr->last_te - b_isr->last_ts, b_isr->last_ts,
b_isr->
last_te) :
pr_err
("[In ISR]Current irq:%d, Start:%llu (elapsed: %llu ns), last irq#:%d, last_start:%llu, last_end:%llu\n\n",
(int)b_isr->cur_event, b_isr->cur_ts, sched_clock() - b_isr->cur_ts,
(int)b_isr->last_event, b_isr->last_ts, b_isr->last_te);
b_sq->cur_event == 0 ?
pr_err("[Softirq]last#:%d, dur:%llu ns (s:%llu, e:%llu)\n\n",
(int)b_sq->last_event, b_sq->last_te - b_sq->last_ts, b_sq->last_ts,
b_sq->
last_te) :
pr_err
("[In Softirq]Current softirq#:%d, Start:%llu(elapsed: %llu ns), last softirq#:%d(dur:%llu ns), last_start:%llu, last_end:%llu\n\n",
(int)b_sq->cur_event, b_sq->cur_ts, sched_clock() - b_sq->cur_ts,
(int)b_sq->last_event, b_sq->last_te - b_sq->last_ts, b_sq->last_ts,
b_sq->last_te);
b_tk->cur_event == 0 ?
pr_err
("[Tasklet]\n Occurs %d times in last SoftIRQ duration\n last fn:%pS, dur:%llu ns (s:%llu, e:%llu)\n\n",
(int)b_tk->last_count, (void *)b_tk->last_event, b_tk->last_te - b_tk->last_ts,
b_tk->last_ts,
b_tk->
last_te) :
pr_err
("[In Tasklet]\n Occurs: cur:%d, last:%d\n Current:%pS, Start:%llu(elapsed: %llu ns), last#:%pS(dur:%llu ns), last_start:%llu, last_end:%llu\n\n",
(int)b_tk->cur_count, (int)b_tk->last_count, (void *)b_tk->cur_event,
b_tk->cur_ts, sched_clock() - b_tk->cur_ts, (void *)b_tk->last_event,
b_tk->last_te - b_tk->last_ts, b_tk->last_ts, b_tk->last_te);
b_hrt->cur_event == 0 ?
pr_err
("[HRTimer]\n Occurs %d times in last ISR duration\n last fn:%pS, dur:%llu ns (s:%llu, e:%llu)\n\n",
(int)b_hrt->last_count, (void *)b_hrt->last_event,
b_hrt->last_te - b_hrt->last_ts, b_hrt->last_ts,
b_hrt->
last_te) :
pr_err
("[In HRTimer]\n Occurs: cur:%d, last:%d\n Current:%pS, Start:%llu(elapsed: %llu ns), last#:%pS(dur:%llu ns), last_start:%llu, last_end:%llu\n\n",
(int)b_tk->cur_count, (int)b_tk->last_count, (void *)b_hrt->cur_event,
b_hrt->cur_ts, sched_clock() - b_hrt->cur_ts, (void *)b_hrt->last_event,
b_hrt->last_te - b_hrt->last_ts, b_hrt->last_ts, b_hrt->last_te);
b_sft->cur_event == 0 ?
pr_err
("[SoftTimer]\n Occurs %d times in last SoftIRQ duration\n last fn:%pS, dur:%llu ns (s:%llu, e:%llu)\n\n",
(int)b_sft->last_count, (void *)b_sft->last_event,
b_sft->last_te - b_sft->last_ts, b_sft->last_ts,
b_sft->
last_te) :
pr_err
("[In SoftTimer]\n Occurs: cur:%d, last:%d\n Current:%pS, Start:%llu(elapsed: %llu ns), last#:%pS(dur:%llu ns), last_start:%llu, last_end:%llu\n\n",
(int)b_sft->cur_count, (int)b_sft->last_count, (void *)b_sft->cur_event,
b_sft->cur_ts, sched_clock() - b_sft->cur_ts, (void *)b_sft->last_event,
b_sft->last_te - b_sft->last_ts, b_sft->last_ts, b_sft->last_te);
/**** Dump Stop Events ****/
e_irq->cur_ts == 0 ?
pr_err("[IRQ disable] last duration:%llu ns (s: %llu, e: %llu)\n\n",
e_irq->last_te - e_irq->last_ts, e_irq->last_ts, e_irq->last_te) :
pr_err
("[IRQ disable] cur_ts:%llu(elapsed:%llu ns), last duration:%llu ns(s: %llu, e: %llu)\n\n",
e_irq->cur_ts, sched_clock() - e_irq->cur_ts, e_irq->last_te - e_irq->last_ts,
e_irq->last_ts, e_irq->last_te);
e_pmpt->cur_ts == 0 ?
pr_err("[Preempt disable] last duration:%llu ns(s: %llu, e: %llu)\n\n",
e_pmpt->last_te - e_pmpt->last_ts, e_pmpt->last_ts, e_pmpt->last_te) :
pr_err
("[Preempt disable] cur_ts:%llu(elapsed:%llu ns), last duration:%llu ns(s: %llu, e: %llu)\n\n",
e_pmpt->cur_ts, sched_clock() - e_pmpt->cur_ts,
e_pmpt->last_te - e_pmpt->last_ts, e_pmpt->last_ts, e_pmpt->last_te);
}
mt_show_current_irq_counts();
mt_show_timer_info();
}
void mt_aee_dump_sched_traces(void)
{
struct sched_block_event *b_isr, *b_sq, *b_tk, *b_hrt, *b_sft;
struct sched_stop_event *e_irq, *e_pmpt;
int cpu;
for_each_possible_cpu(cpu) {
b_isr = &per_cpu(ISR_mon, cpu);
b_sq = &per_cpu(SoftIRQ_mon, cpu);
b_tk = &per_cpu(tasklet_mon, cpu);
b_hrt = &per_cpu(hrt_mon, cpu);
b_sft = &per_cpu(sft_mon, cpu);
e_pmpt = &per_cpu(Preempt_disable_mon, cpu);
e_irq = &per_cpu(IRQ_disable_mon, cpu);
aee_wdt_printf("CPU%d\n", cpu);
b_isr->cur_event == 0 ?
aee_wdt_printf("[ISR]last#%d,dur:%lld s:%lld\n\n",
(int)b_isr->last_event,
usec_high(b_isr->last_te - b_isr->last_ts),
usec_high(b_isr->
last_ts)) :
aee_wdt_printf
("[In ISR]Current irq#:%d, Start:%lld (elapsed: %lld), last irq#:%d, s:%lld, e:%lld\n\n",
(int)b_isr->cur_event, usec_high(b_isr->cur_ts),
usec_high(sched_clock() - b_isr->cur_ts), (int)b_isr->last_event,
usec_high(b_isr->last_ts), usec_high(b_isr->last_te));
b_sq->cur_event == 0 ?
aee_wdt_printf("[Softirq]last#%d,dur:%lld s:%lld\n\n",
(int)b_sq->last_event, usec_high(b_sq->last_te - b_sq->last_ts),
usec_high(b_sq->
last_ts)) :
aee_wdt_printf
("[In Softirq]Current softirq#:%d, Start:%lld(elapsed: %lld), last softirq#:%d(dur:%lld), s:%lld, e:%lld\n\n",
(int)b_sq->cur_event, usec_high(b_sq->cur_ts),
usec_high(sched_clock() - b_sq->cur_ts), (int)b_sq->last_event,
usec_high(b_sq->last_te - b_sq->last_ts), usec_high(b_sq->last_ts),
usec_high(b_sq->last_te));
b_tk->cur_event == 0 ?
aee_wdt_printf("[Tasklet]%d/SoftIRQ\n %pS dur:%lld s:%lld\n\n",
(int)b_tk->last_count, (void *)b_tk->last_event,
usec_high(b_tk->last_te - b_tk->last_ts),
usec_high(b_tk->
last_ts)) :
aee_wdt_printf
("[In Tasklet]\n Occurs: cur:%d, last:%d\n Current:%pS, Start:%lld(elapsed: %lld), last#:%pS(dur:%lld), last_start:%lld, last_end:%lld\n\n",
(int)b_tk->cur_count, (int)b_tk->last_count, (void *)b_tk->cur_event,
usec_high(b_tk->cur_ts), usec_high(sched_clock() - b_tk->cur_ts),
(void *)b_tk->last_event, usec_high(b_tk->last_te - b_tk->last_ts),
usec_high(b_tk->last_ts), usec_high(b_tk->last_te));
b_hrt->cur_event == 0 ?
aee_wdt_printf("[HRTimer]%d/ISR\n %pS dur:%lld s:%lld\n\n",
(int)b_hrt->last_count, (void *)b_hrt->last_event,
usec_high(b_hrt->last_te - b_hrt->last_ts),
usec_high(b_hrt->
last_ts)) :
aee_wdt_printf
("[In HRTimer]\n Occurs: cur:%d, last:%d\n Current:%pS, Start:%lld(elapsed: %lld), last#:%pS(dur:%lld), last_start:%lld, last_end:%lld\n\n",
(int)b_tk->cur_count, (int)b_tk->last_count, (void *)b_hrt->cur_event,
usec_high(b_hrt->cur_ts), usec_high(sched_clock() - b_hrt->cur_ts),
(void *)b_hrt->last_event, usec_high(b_hrt->last_te - b_hrt->last_ts),
usec_high(b_hrt->last_ts), usec_high(b_hrt->last_te));
b_sft->cur_event == 0 ?
aee_wdt_printf("[SoftTimer]%d/SoftIRQ\n %pS dur:%lld s:%lld\n\n",
(int)b_sft->last_count, (void *)b_sft->last_event,
usec_high(b_sft->last_te - b_sft->last_ts),
usec_high(b_sft->
last_ts)) :
aee_wdt_printf
("[In SoftTimer]\n Occurs: cur:%d, last:%d\n Current:%pS, Start:%lld(elapsed: %lld), last#:%pS(dur:%lld), last_start:%lld, last_end:%lld\n\n",
(int)b_sft->cur_count, (int)b_sft->last_count, (void *)b_sft->cur_event,
usec_high(b_sft->cur_ts), usec_high(sched_clock() - b_sft->cur_ts),
(void *)b_sft->last_event, usec_high(b_sft->last_te - b_sft->last_ts),
usec_high(b_sft->last_ts), usec_high(b_sft->last_te));
/**** Dump Stop Events ****/
/*
e_irq->cur_ts == 0?
aee_wdt_printf("[IRQ disable] last duration:%llu ns (s: %llu, e: %llu)\n\n",
e_irq->last_te - e_irq->last_ts, e_irq->last_ts, e_irq->last_te):
aee_wdt_printf("[IRQ disable] cur_ts:%llu(elapsed:%llu ns), last duration:%llu ns(s: %llu, e: %llu)\n\n",
e_irq->cur_ts, sched_clock() - e_irq->cur_ts, e_irq->last_te - e_irq->last_ts, e_irq->last_ts, e_irq->last_te);
e_pmpt->cur_ts == 0?
aee_wdt_printf("[Preempt disable] last duration:%llu ns(s: %llu, e: %llu)\n\n",
e_pmpt->last_te - e_pmpt->last_ts, e_pmpt->last_ts, e_pmpt->last_te):
aee_wdt_printf("[Preempt disable] cur_ts:%llu(elapsed:%llu ns), last duration:%llu ns(s: %llu, e: %llu)\n\n",
e_pmpt->cur_ts, sched_clock() - e_pmpt->cur_ts, e_pmpt->last_te - e_pmpt->last_ts, e_pmpt->last_ts, e_pmpt->last_te);
*/
}
mt_aee_show_current_irq_counts();
mt_aee_show_timer_info();
}
#include <linux/irqnr.h>
#include <linux/kernel_stat.h>
#include <asm/hardirq.h>
extern int mt_irq_count[NR_CPUS][MAX_NR_IRQS];
#ifdef CONFIG_SMP
extern int mt_local_irq_count[NR_CPUS][NR_IPI];
#endif
extern unsigned long long mt_save_irq_count_time;
extern spinlock_t mt_irq_count_lock;
void mt_show_last_irq_counts(void)
{
int irq, cpu;
unsigned long flags;
spin_lock_irqsave(&mt_irq_count_lock, flags);
pr_err("Last irq counts record at [%llu] ns\n", mt_save_irq_count_time);
for (cpu = 0; cpu < num_possible_cpus(); cpu++) {
pr_err("CPU#%d:\n", cpu);
for (irq = 0; irq < nr_irqs && irq < MAX_NR_IRQS; irq++) {
if (mt_irq_count[cpu][irq] != 0)
pr_err("[%3d] = %8d\n", irq, mt_irq_count[cpu][irq]);
}
}
#ifdef CONFIG_SMP
for (cpu = 0; cpu < num_possible_cpus(); cpu++) {
for (irq = 0; irq < NR_IPI; irq++) {
if (mt_local_irq_count[cpu][irq] != 0)
pr_err("(CPU#%d)IPI[%3d] = %8d\n", cpu, irq,
mt_local_irq_count[cpu][irq]);
}
}
#endif
spin_unlock_irqrestore(&mt_irq_count_lock, flags);
}
void mt_show_current_irq_counts(void)
{
int irq, cpu, count;
unsigned long flags;
unsigned long long t_cur, t_diff;
t_cur = sched_clock();
spin_lock_irqsave(&mt_irq_count_lock, flags);
t_diff = t_cur - mt_save_irq_count_time;
pr_err("=========================================\nIRQ Status:\n");
pr_err("Current irq counts record at [%llu] ns.(last at %llu, diff:+%llu ns)\n", t_cur,
mt_save_irq_count_time, t_diff);
for (cpu = 0; cpu < num_possible_cpus(); cpu++) {
pr_err(" --CPU%d--\n", cpu);
for (irq = 0; irq < nr_irqs && irq < MAX_NR_IRQS; irq++) {
count = kstat_irqs_cpu(irq, cpu);
if (count != 0)
pr_err(" IRQ[%3d:%14s] = %8d, (+%d times in %lld us)\n", irq,
isr_name(irq), count, count - mt_irq_count[cpu][irq],
usec_high(t_diff));
}
}
#ifdef CONFIG_SMP
for (cpu = 0; cpu < num_possible_cpus(); cpu++) {
pr_err("Local IRQ on CPU#%d:\n", cpu);
for (irq = 0; irq < NR_IPI; irq++) {
count = __get_irq_stat(cpu, ipi_irqs[irq]);
if (count != 0)
pr_err(" IRQ[%2d: IPI] = %8d,(+%d times in %lld us)\n", irq, count,
count - mt_local_irq_count[cpu][irq], usec_high(t_diff));
}
}
#endif
spin_unlock_irqrestore(&mt_irq_count_lock, flags);
}
void mt_show_timer_info(void)
{
int cpu;
for_each_possible_cpu(cpu) {
pr_err("[TimerISR#%d] last timer ISR start:%llu ns, end:%llu ns\n", cpu,
per_cpu(local_timer_ts, cpu), per_cpu(local_timer_te, cpu));
}
}
/* for MTK fiq debug log mechanism*/
static void mt_aee_show_current_irq_counts(void)
{
int irq, cpu, count;
unsigned long long t_cur, t_diff;
t_cur = sched_clock();
/* spin_lock_irqsave(&mt_irq_count_lock, flags); */
t_diff = t_cur - mt_save_irq_count_time;
aee_wdt_printf("\nIRQ Status\n");
aee_wdt_printf("Dur:%lld us,(now:%lld,last:%lld)\n", usec_high(t_diff), usec_high(t_cur),
mt_save_irq_count_time);
for (cpu = 0; cpu < num_possible_cpus(); cpu++) {
aee_wdt_printf(" CPU%d\n", cpu);
for (irq = 0; irq < nr_irqs && irq < MAX_NR_IRQS; irq++) {
count = kstat_irqs_cpu(irq, cpu);
if (count != 0)
aee_wdt_printf(" %d:%s +%d(%d)\n", irq, isr_name(irq),
count - mt_irq_count[cpu][irq], count);
}
}
#ifdef CONFIG_SMP
for (cpu = 0; cpu < num_possible_cpus(); cpu++) {
aee_wdt_printf("CPU#%d:\n", cpu);
for (irq = 0; irq < NR_IPI; irq++) {
count = __get_irq_stat(cpu, ipi_irqs[irq]);
if (count != 0)
aee_wdt_printf(" %d:IPI +%d(%d)\n", irq,
count - mt_local_irq_count[cpu][irq], count);
}
}
#endif
/* spin_unlock_irqrestore(&mt_irq_count_lock, flags); */
}
static void mt_aee_show_timer_info(void)
{
int cpu;
for_each_possible_cpu(cpu) {
aee_wdt_printf("[TimerISR#%d]last s:%llu e:%llu ns\n", cpu,
per_cpu(local_timer_ts, cpu), per_cpu(local_timer_te, cpu));
}
}
#else
void mt_dump_sched_traces(void)
{
}
void mt_aee_dump_sched_traces(void)
{
}
void mt_show_last_irq_counts(void)
{
}
void mt_show_current_irq_counts(void)
{
}
void mt_show_timer_info(void)
{
}
#endif
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