Evolution-X-Devices/kernel_realme_salaa
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
bka
kernel_realme_salaa/kernel/sched/debug_aee.c
bengris32 f48edc966e kernel/: Import Realme changes 
* From https://github.com/realme-kernel-opensource/realme7_realme8_Narzo30_Narzo20pro-AndroidS-kernel-source

Signed-off-by: bengris32 <bengris32@protonmail.ch>
Change-Id: I5c2fbdc50009ce5a48c46e0e7ada0a1ab608673b
2023-01-08 12:35:36 +00:00

673 lines
18 KiB
C
Raw Permalink Blame History

/*
* Copyright (C) 2016 MediaTek Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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 http://www.gnu.org/licenses/gpl-2.0.html for more details.
*/
#include <linux/sched.h>
#include "mtk_ram_console.h"
#ifdef CONFIG_MTK_RT_THROTTLE_MON
#include "mtk_rt_mon.h"
#endif
/* sched: aee for sched/debug */
/* #define TEST_SCHED_DEBUG_ENHANCEMENT */
#define TRYLOCK_NUM 10
#include <linux/delay.h>
char print_at_AEE_buffer[160];
/* sched: add rt_exec_task info */
DECLARE_PER_CPU(u64, rt_throttling_start);
DECLARE_PER_CPU(u64, exec_delta_time);
DECLARE_PER_CPU(u64, clock_task);
DECLARE_PER_CPU(u64, exec_start);
DECLARE_PER_CPU(struct task_struct, exec_task);
DECLARE_PER_CPU(u64, old_rt_time);
DECLARE_PER_CPU(u64, init_rt_time);
DECLARE_PER_CPU(u64, rt_period_time);
#define SEQ_printf_at_AEE(m, x...) \
do { \
snprintf(print_at_AEE_buffer, sizeof(print_at_AEE_buffer), x); \
aee_sram_fiq_log(print_at_AEE_buffer); \
} while (0)
static void
print_task_at_AEE(struct seq_file *m, struct rq *rq, struct task_struct *p)
{
#ifdef CONFIG_SCHEDSTATS
if (rq->curr == p) {
#ifdef CONFIG_CGROUP_SCHED
SEQ_printf_at_AEE(m, "R %15s %5d %9lld.%06ld %9lld %5d %9lld.%06ld %9lld.%06ld %9lld.%06ld %s\n",
p->comm,
task_pid_nr(p),
SPLIT_NS(p->se.vruntime),
(long long)(p->nvcsw + p->nivcsw),
p->prio,
SPLIT_NS(p->se.statistics.wait_sum),
SPLIT_NS(p->se.sum_exec_runtime),
SPLIT_NS(p->se.statistics.sum_sleep_runtime),
task_group_path(task_group(p)));
#else
SEQ_printf_at_AEE(m, "R %15s %5d %9lld.%06ld %9lld %5d %9lld.%06ld %9lld.%06ld %9lld.%06ld\n",
p->comm,
task_pid_nr(p),
SPLIT_NS(p->se.vruntime),
(long long)(p->nvcsw + p->nivcsw),
p->prio,
SPLIT_NS(p->se.statistics.wait_sum),
SPLIT_NS(p->se.sum_exec_runtime),
SPLIT_NS(p->se.statistics.sum_sleep_runtime));
#endif
} else {
#ifdef CONFIG_CGROUP_SCHED
SEQ_printf_at_AEE(m, " %15s %5d %9lld.%06ld %9lld %5d %9lld.%06ld %9lld.%06ld %9lld.%06ld %s\n",
p->comm,
task_pid_nr(p),
SPLIT_NS(p->se.vruntime),
(long long)(p->nvcsw + p->nivcsw),
p->prio,
SPLIT_NS(p->se.statistics.wait_sum),
SPLIT_NS(p->se.sum_exec_runtime),
SPLIT_NS(p->se.statistics.sum_sleep_runtime),
task_group_path(task_group(p)));
#else
SEQ_printf_at_AEE(m, " %15s %5d %9lld.%06ld %9lld %5d %9lld.%06ld %9lld.%06ld %9lld.%06ld\n",
p->comm,
task_pid_nr(p),
SPLIT_NS(p->se.vruntime),
(long long)(p->nvcsw + p->nivcsw),
p->prio,
SPLIT_NS(p->se.statistics.wait_sum),
SPLIT_NS(p->se.sum_exec_runtime),
SPLIT_NS(p->se.statistics.sum_sleep_runtime));
#endif
}
#else
SEQ_printf_at_AEE(m, "%9lld.%06ld %9lld.%06ld %9lld.%06ld",
0LL, 0L,
SPLIT_NS(p->se.sum_exec_runtime),
0LL, 0L);
#endif
}
/* sched: add aee log */
#define read_trylock_irqsave(lock, flags) \
({ \
typecheck(unsigned long, flags); \
local_irq_save(flags); \
read_trylock(lock) ? \
1 : ({ local_irq_restore(flags); 0; }); \
})
int read_trylock_n_irqsave(rwlock_t *lock,
unsigned long *flags, struct seq_file *m, char *msg)
{
int locked, trylock_cnt = 0;
do {
locked = read_trylock_irqsave(lock, *flags);
trylock_cnt++;
mdelay(10);
} while ((!locked) && (trylock_cnt < TRYLOCK_NUM));
if (!locked) {
#ifdef CONFIG_DEBUG_SPINLOCK
struct task_struct *owner = NULL;
#endif
SEQ_printf_at_AEE(m, "Warning: fail to get lock in %s\n", msg);
#ifdef CONFIG_DEBUG_SPINLOCK
if (lock->owner && lock->owner != SPINLOCK_OWNER_INIT)
owner = lock->owner;
#ifdef CONFIG_SMP
SEQ_printf_at_AEE(m, " lock: %p, .magic: %08x, .owner: %s/%d",
lock, lock->magic,
owner ? owner->comm : "<<none>>",
owner ? task_pid_nr(owner) : -1);
SEQ_printf_at_AEE(m, ".owner_cpu: %d, value: %d\n",
lock->owner_cpu, lock->raw_lock.lock);
#else
SEQ_printf_at_AEE(m, " lock: %p, .magic: %08x, .owner: %s/%d",
lock, lock->magic,
owner ? owner->comm : "<<none>>",
owner ? task_pid_nr(owner) : -1);
SEQ_printf_at_AEE(m, ".owner_cpu: %d\n", lock->owner_cpu);
#endif
#endif
}
return locked;
}
int raw_spin_trylock_n_irqsave(raw_spinlock_t *lock,
unsigned long *flags, struct seq_file *m, char *msg)
{
int locked, trylock_cnt = 0;
do {
locked = raw_spin_trylock_irqsave(lock, *flags);
trylock_cnt++;
mdelay(10);
} while ((!locked) && (trylock_cnt < TRYLOCK_NUM));
if (!locked) {
#ifdef CONFIG_DEBUG_SPINLOCK
struct task_struct *owner = NULL;
#endif
SEQ_printf_at_AEE(m, "Warning: fail to get lock in %s\n", msg);
#ifdef CONFIG_DEBUG_SPINLOCK
if (lock->owner && lock->owner != SPINLOCK_OWNER_INIT)
owner = lock->owner;
#ifdef CONFIG_ARM64
#ifdef CONFIG_SMP
SEQ_printf_at_AEE(m, " lock: %lx, .magic: %08x, .owner: %s/%d",
(long)lock, lock->magic,
owner ? owner->comm : "<<none>>",
owner ? task_pid_nr(owner) : -1);
SEQ_printf_at_AEE(m, ".owner_cpu: %d, owner: %hu, next: %hu\n",
lock->owner_cpu,
lock->raw_lock.owner, lock->raw_lock.next);
#else
SEQ_printf_at_AEE(m, " lock: %lx, .magic: %08x, .owner: %s/%d",
(long)lock, lock->magic,
owner ? owner->comm : "<<none>>",
owner ? task_pid_nr(owner) : -1);
SEQ_printf_at_AEE(m, ".owner_cpu: %d, value: %d\n",
lock->owner_cpu, lock->raw_lock.slock);
#endif
#else
SEQ_printf_at_AEE(m, " lock: %x, .magic: %08x, .owner: %s/%d",
(int)lock, lock->magic,
owner ? owner->comm : "<<none>>",
owner ? task_pid_nr(owner) : -1);
SEQ_printf_at_AEE(m, ".owner_cpu: %d, value: %d\n",
lock->owner_cpu, lock->raw_lock.slock);
#endif
#endif
}
return locked;
}
int spin_trylock_n_irqsave(spinlock_t *lock,
unsigned long *flags, struct seq_file *m, char *msg)
{
int locked, trylock_cnt = 0;
do {
locked = spin_trylock_irqsave(lock, *flags);
trylock_cnt++;
mdelay(10);
} while ((!locked) && (trylock_cnt < TRYLOCK_NUM));
if (!locked) {
#ifdef CONFIG_DEBUG_SPINLOCK
raw_spinlock_t rlock = lock->rlock;
struct task_struct *owner = NULL;
#endif
SEQ_printf_at_AEE(m, "Warning: fail to get lock in %s\n", msg);
#ifdef CONFIG_DEBUG_SPINLOCK
if (rlock.owner && rlock.owner != SPINLOCK_OWNER_INIT)
owner = rlock.owner;
#ifdef CONFIG_ARM64
#ifdef CONFIG_SMP
SEQ_printf_at_AEE(m, " lock: %lx, .magic: %08x, .owner: %s/%d",
(long)&rlock, rlock.magic,
owner ? owner->comm : "<<none>>",
owner ? task_pid_nr(owner) : -1);
SEQ_printf_at_AEE(m, ".owner_cpu: %d, owner: %hu, next: %hu\n",
rlock.owner_cpu,
rlock.raw_lock.owner, rlock.raw_lock.next);
#else
SEQ_printf_at_AEE(m, " lock: %lx, .magic: %08x, .owner: %s/%d",
(long)&rlock, rlock.magic,
owner ? owner->comm : "<<none>>",
owner ? task_pid_nr(owner) : -1);
SEQ_printf_at_AEE(m, ".owner_cpu: %d, value: %d\n",
rlock.owner_cpu, rlock.raw_lock.slock);
#endif
#else
SEQ_printf_at_AEE(m, " lock: %x, .magic: %08x, .owner: %s/%d",
(int)&rlock, rlock.magic,
owner ? owner->comm : "<<none>>",
owner ? task_pid_nr(owner) : -1);
SEQ_printf_at_AEE(m, ".owner_cpu: %d, value: %d\n",
rlock.owner_cpu, rlock.raw_lock.slock);
#endif
#endif
}
return locked;
}
static void print_rq_at_AEE(struct seq_file *m, struct rq *rq, int rq_cpu)
{
struct task_struct *g, *p;
SEQ_printf_at_AEE(m, "\nrunnable tasks:\n");
SEQ_printf_at_AEE(m,
" task PID tree-key switches prio wait-time sum-exec sum-sleep\n");
SEQ_printf_at_AEE(m, "---------------------------------------------------\n");
rcu_read_lock();
for_each_process_thread(g, p) {
/*
* if (task_cpu(p) != rq_cpu)
* sched: only output the runnable tasks,
* rather than ALL tasks in runqueues
*/
if (!p->on_rq || task_cpu(p) != rq_cpu)
continue;
print_task_at_AEE(m, rq, p);
}
rcu_read_unlock();
}
#ifdef CONFIG_FAIR_GROUP_SCHED
static void print_cfs_group_stats_at_AEE(struct seq_file *m,
int cpu, struct task_group *tg)
{
struct sched_entity *se = tg->se[cpu];
#define P(F) \
SEQ_printf_at_AEE(m, " .%-30s: %lld\n", #F, (long long)F)
#define PN(F) \
SEQ_printf_at_AEE(m, " .%-30s: %lld.%06ld\n", \
#F, SPLIT_NS((long long)F))
if (!se)
return;
PN(se->exec_start);
PN(se->vruntime);
PN(se->sum_exec_runtime);
#ifdef CONFIG_SCHEDSTATS
PN(se->statistics.wait_start);
PN(se->statistics.sleep_start);
PN(se->statistics.block_start);
PN(se->statistics.sleep_max);
PN(se->statistics.block_max);
PN(se->statistics.exec_max);
PN(se->statistics.slice_max);
PN(se->statistics.wait_max);
PN(se->statistics.wait_sum);
P(se->statistics.wait_count);
#endif
P(se->load.weight);
#ifdef CONFIG_SMP
P(se->avg.load_avg);
P(se->avg.util_avg);
#endif
#undef PN
#undef P
}
#endif
void print_cfs_rq_at_AEE(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
{
s64 MIN_vruntime = -1, min_vruntime, max_vruntime = -1,
spread, rq0_min_vruntime, spread0;
struct rq *rq = cpu_rq(cpu);
struct sched_entity *last;
unsigned long flags;
int locked;
#ifdef CONFIG_FAIR_GROUP_SCHED
SEQ_printf_at_AEE(m, "\ncfs_rq[%d]:%s\n",
cpu, task_group_path(cfs_rq->tg));
#else
SEQ_printf_at_AEE(m, "\ncfs_rq[%d]:\n", cpu);
#endif
SEQ_printf_at_AEE(m, " .%-30s: %lld.%06ld\n", "exec_clock",
SPLIT_NS(cfs_rq->exec_clock));
/*raw_spin_lock_irqsave(&rq->lock, flags);*/
locked = raw_spin_trylock_n_irqsave(&rq->lock,
&flags, m, "print_cfs_rq_at_AEE");
if (rb_first_cached(&cfs_rq->tasks_timeline))
MIN_vruntime = (__pick_first_entity(cfs_rq))->vruntime;
last = __pick_last_entity(cfs_rq);
if (last)
max_vruntime = last->vruntime;
min_vruntime = cfs_rq->min_vruntime;
rq0_min_vruntime = cpu_rq(0)->cfs.min_vruntime;
if (locked)
raw_spin_unlock_irqrestore(&rq->lock, flags);
SEQ_printf_at_AEE(m, " .%-30s: %lld.%06ld\n", "MIN_vruntime",
SPLIT_NS(MIN_vruntime));
SEQ_printf_at_AEE(m, " .%-30s: %lld.%06ld\n", "min_vruntime",
SPLIT_NS(min_vruntime));
SEQ_printf_at_AEE(m, " .%-30s: %lld.%06ld\n", "max_vruntime",
SPLIT_NS(max_vruntime));
spread = max_vruntime - MIN_vruntime;
/*
* SEQ_printf_at_AEE(m, " .%-30s: %Ld.%06ld\n", "spread",
* SPLIT_NS(spread));
*/
spread0 = min_vruntime - rq0_min_vruntime;
/*
* SEQ_printf_at_AEE(m, " .%-30s: %Ld.%06ld\n", "spread0",
* SPLIT_NS(spread0));
* SEQ_printf_at_AEE(m, " .%-30s: %d\n", "nr_spread_over",
* cfs_rq->nr_spread_over);
*/
SEQ_printf_at_AEE(m, " .%-30s: %d\n",
"nr_running", cfs_rq->nr_running);
SEQ_printf_at_AEE(m, " .%-30s: %ld\n", "load", cfs_rq->load.weight);
#ifdef CONFIG_SMP
SEQ_printf_at_AEE(m, " .%-30s: %lu\n", "load_avg",
cfs_rq->avg.load_avg);
SEQ_printf_at_AEE(m, " .%-30s: %lu\n", "runnable_load_avg",
cfs_rq->runnable_load_avg);
SEQ_printf_at_AEE(m, " .%-30s: %lu\n", "util_avg",
cfs_rq->avg.util_avg);
SEQ_printf_at_AEE(m, " .%-30s: %ld\n", "removed_load_avg",
atomic_long_read(&cfs_rq->removed_load_avg));
SEQ_printf_at_AEE(m, " .%-30s: %ld\n", "removed_util_avg",
atomic_long_read(&cfs_rq->removed_util_avg));
#ifdef CONFIG_FAIR_GROUP_SCHED
SEQ_printf_at_AEE(m, " .%-30s: %lu\n", "tg_load_avg_contrib",
cfs_rq->tg_load_avg_contrib);
SEQ_printf_at_AEE(m, " .%-30s: %ld\n", "tg_load_avg",
atomic_long_read(&cfs_rq->tg->load_avg));
#endif
#endif
#ifdef CONFIG_CFS_BANDWIDTH
SEQ_printf_at_AEE(m, " .%-30s: %d\n", "throttled",
cfs_rq->throttled);
SEQ_printf_at_AEE(m, " .%-30s: %d\n", "throttle_count",
cfs_rq->throttle_count);
#endif
#ifdef CONFIG_FAIR_GROUP_SCHED
print_cfs_group_stats_at_AEE(m, cpu, cfs_rq->tg);
#endif
}
#define for_each_leaf_cfs_rq(rq, cfs_rq) \
list_for_each_entry_rcu(cfs_rq, &rq->leaf_cfs_rq_list, leaf_cfs_rq_list)
void print_cfs_stats_at_AEE(struct seq_file *m, int cpu)
{
struct cfs_rq *cfs_rq;
rcu_read_lock();
cfs_rq = &cpu_rq(cpu)->cfs;
/*sched: only output / cgroup schedule info*/
print_cfs_rq_at_AEE(m, cpu, cfs_rq);
rcu_read_unlock();
}
void print_rt_rq_at_AEE(struct seq_file *m, int cpu, struct rt_rq *rt_rq)
{
#ifdef CONFIG_RT_GROUP_SCHED
int cpu_rq_throttle = rq_cpu(rt_rq->rq);
SEQ_printf_at_AEE(m, "\nrt_rq[%d]:%s\n",
cpu, task_group_path(rt_rq->tg));
#else
SEQ_printf_at_AEE(m, "\nrt_rq[%d]:\n", cpu);
#endif
#define P(x) \
SEQ_printf_at_AEE(m, " .%-30s: %lld\n", #x, (long long)(rt_rq->x))
#define PN(x) \
SEQ_printf_at_AEE(m, " .%-30s: %lld.%06ld\n", #x, SPLIT_NS(rt_rq->x))
P(rt_nr_running);
P(rt_throttled);
SEQ_printf_at_AEE(m, " exec_task[%d:%s], prio=%d\n",
per_cpu(exec_task, cpu).pid,
per_cpu(exec_task, cpu).comm,
per_cpu(exec_task, cpu).prio);
#ifdef CONFIG_RT_GROUP_SCHED
SEQ_printf_at_AEE(m, " .rt_throttling_start : [%llu]\n",
per_cpu(rt_throttling_start, cpu_rq_throttle));
#endif
PN(rt_time);
PN(rt_runtime);
#undef PN
#undef P
}
#ifdef CONFIG_RT_GROUP_SCHED
static inline struct task_group *next_task_group(struct task_group *tg)
{
do {
tg = list_entry_rcu(tg->list.next,
typeof(struct task_group), list);
} while (&tg->list != &task_groups && task_group_is_autogroup(tg));
if (&tg->list == &task_groups)
tg = NULL;
return tg;
}
#define for_each_rt_rq(rt_rq, iter, rq) \
for (iter = container_of(&task_groups, typeof(*iter), list); \
(iter = next_task_group(iter)) && \
(rt_rq = iter->rt_rq[cpu_of(rq)]);)
#else /* !CONFIG_RT_GROUP_SCHED */
#define for_each_rt_rq(rt_rq, iter, rq) \
for ((void) iter, rt_rq = &rq->rt; rt_rq; rt_rq = NULL)
#endif
void print_rt_stats_at_AEE(struct seq_file *m, int cpu)
{
struct rt_rq *rt_rq;
rt_rq = &cpu_rq(cpu)->rt;
rcu_read_lock();
/*sched: only output / cgroup schedule info*/
print_rt_rq_at_AEE(m, cpu, rt_rq);
rcu_read_unlock();
}
void print_dl_rq_at_AEE(struct seq_file *m, int cpu, struct dl_rq *dl_rq)
{
SEQ_printf_at_AEE(m, "\ndl_rq[%d]:\n", cpu);
SEQ_printf_at_AEE(m, " .%-30s: %ld\n",
"dl_nr_running", dl_rq->dl_nr_running);
}
void print_dl_stats_at_AEE(struct seq_file *m, int cpu)
{
print_dl_rq_at_AEE(m, cpu, &cpu_rq(cpu)->dl);
}
static void print_cpu_at_AEE(struct seq_file *m, int cpu)
{
struct rq *rq = cpu_rq(cpu);
unsigned long flags;
int locked;
#ifdef CONFIG_X86
{
unsigned int freq = cpu_khz ? : 1;
SEQ_printf_at_AEE(m, "cpu#%d, %u.%03u MHz\n",
cpu, freq / 1000, (freq % 1000));
}
#else
/* sched: add cpu info */
SEQ_printf_at_AEE(m, "cpu#%d: %s\n", cpu,
cpu_is_offline(cpu) ? "Offline" : "Online");
#endif
#define P(x) \
do { \
if (sizeof(rq->x) == 4) \
SEQ_printf_at_AEE(m, " .%-30s: %ld\n", \
#x, (long)(rq->x)); \
else \
SEQ_printf_at_AEE(m, " .%-30s: %lld\n", \
#x, (long long)(rq->x)); \
} while (0)
#define PN(x) \
SEQ_printf_at_AEE(m, " .%-30s: %lld.%06ld\n", #x, SPLIT_NS(rq->x))
P(nr_running);
SEQ_printf_at_AEE(m, " .%-30s: %lu\n", "load",
rq->load.weight);
/*P(nr_switches);*/
P(nr_load_updates);
P(nr_uninterruptible);
PN(next_balance);
SEQ_printf_at_AEE(m, " .%-30s: %ld\n",
"curr->pid", (long)(task_pid_nr(rq->curr)));
PN(clock);
PN(clock_task);
SEQ_printf_at_AEE(m, " .%-30s: %ld %ld %ld %ld %ld\n", "cpu_load",
(long)(rq->cpu_load[0]),
(long)(rq->cpu_load[1]),
(long)(rq->cpu_load[2]),
(long)(rq->cpu_load[3]),
(long)(rq->cpu_load[4]));
/*
* P(cpu_load[0]);
* P(cpu_load[1]);
* P(cpu_load[2]);
* P(cpu_load[3]);
* P(cpu_load[4]);
*/
#undef P
#undef PN
#ifdef CONFIG_SCHEDSTATS
#define P(n) SEQ_printf_at_AEE(m, " .%-30s: %d\n", #n, rq->n)
#define P64(n) SEQ_printf_at_AEE(m, " .%-30s: %lld\n", #n, rq->n)
/*
* P(yld_count);
* P(sched_count);
* P(sched_goidle);
*/
#ifdef CONFIG_SMP
P64(avg_idle);
P64(max_idle_balance_cost);
#endif
/*
* P(ttwu_count);
* P(ttwu_local);
*/
#undef P
#undef P64
#endif
/*spin_lock_irqsave_lock_irqsave(&sched_debug_lock, flags);*/
locked = spin_trylock_n_irqsave(&sched_debug_lock,
&flags, m, "print_cpu_at_AEE");
print_cfs_stats_at_AEE(m, cpu);
print_rt_stats_at_AEE(m, cpu);
print_dl_stats_at_AEE(m, cpu);
rcu_read_lock();
print_rq_at_AEE(m, rq, cpu);
SEQ_printf_at_AEE(m, "============================================\n");
rcu_read_unlock();
/*spin_unlock_irqrestore(&sched_debug_lock, flags);*/
if (locked)
spin_unlock_irqrestore(&sched_debug_lock, flags);
}
static void sched_debug_header_at_AEE(struct seq_file *m)
{
u64 sched_clk, cpu_clk;
unsigned long flags;
#ifdef TEST_SCHED_DEBUG_ENHANCEMENT
struct rq *rq = cpu_rq(0);
/* lock_timekeeper(); */
raw_spin_lock_irq(&rq->lock);
spin_lock_irqsave(&sched_debug_lock, flags);
write_lock_irqsave(&tasklist_lock, flags);
#endif
local_irq_save(flags);
/*ktime = ktime_to_ns(ktime_get());*/
sched_clk = sched_clock();
cpu_clk = local_clock();
local_irq_restore(flags);
SEQ_printf_at_AEE(m, "Sched Debug Version: v0.11, %s %.*s\n",
init_utsname()->release,
(int)strcspn(init_utsname()->version, " "),
init_utsname()->version);
#define P(x) \
SEQ_printf_at_AEE(m, "%-40s: %lld\n", #x, (long long)(x))
#define PN(x) \
SEQ_printf_at_AEE(m, "%-40s: %lld.%06ld\n", #x, SPLIT_NS(x))
/*PN(ktime);*/
PN(sched_clk);
PN(cpu_clk);
P(jiffies);
#ifdef CONFIG_HAVE_UNSTABLE_SCHED_CLOCK
P(sched_clock_stable());
#endif
#undef PN
#undef P
/*SEQ_printf_at_AEE(m, "\n");*/
SEQ_printf_at_AEE(m, "sysctl_sched\n");
#define P(x) \
SEQ_printf_at_AEE(m, " .%-40s: %lld\n", #x, (long long)(x))
#define PN(x) \
SEQ_printf_at_AEE(m, " .%-40s: %lld.%06ld\n", #x, SPLIT_NS(x))
PN(sysctl_sched_latency);
PN(sysctl_sched_min_granularity);
PN(sysctl_sched_wakeup_granularity);
P(sysctl_sched_child_runs_first);
P(sysctl_sched_features);
#undef PN
#undef P
SEQ_printf_at_AEE(m, " .%-40s: %d (%s)\n",
"sysctl_sched_tunable_scaling",
sysctl_sched_tunable_scaling,
sched_tunable_scaling_names[sysctl_sched_tunable_scaling]);
SEQ_printf_at_AEE(m, "\n");
}
void sysrq_sched_debug_show_at_AEE(void)
{
int cpu;
unsigned long flags;
int locked;
sched_debug_header_at_AEE(NULL);
/* read_lock_irqsave(&tasklist_lock, flags); */
locked = read_trylock_n_irqsave(&tasklist_lock,
&flags, NULL, "sched_debug_show_at_AEE");
/* for_each_online_cpu(cpu) */
for_each_possible_cpu(cpu) {
print_cpu_at_AEE(NULL, cpu);
}
if (locked)
read_unlock_irqrestore(&tasklist_lock, flags);
#ifdef CONFIG_MTK_RT_THROTTLE_MON
/* sched:rt throttle monitor */
mt_rt_mon_print_task_from_buffer();
#endif
}
Reference in New Issue View Git Blame Copy Permalink