734 lines
19 KiB
C
734 lines
19 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2019 MediaTek Inc.
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*/
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#ifdef CONFIG_MTK_AEE_IPANIC
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/* for turn on/off debug.c's log */
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#define DEBUG 0
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#include <linux/sched.h>
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#include "mboot_params.h" /* aee's lib */
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#include "sched.h"
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/* sched: aee for sched/debug */
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#define TRYLOCK_NUM 10
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#include <linux/delay.h>
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#include <linux/sched/signal.h>
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/*
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* from kernel/sched/debug.c
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* Ease the printing of nsec fields:
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*/
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static long long nsec_high(unsigned long long nsec)
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{
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if ((long long)nsec < 0) {
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nsec = -nsec;
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do_div(nsec, 1000000);
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return -nsec;
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}
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do_div(nsec, 1000000);
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return nsec;
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}
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static unsigned long nsec_low(unsigned long long nsec)
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{
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if ((long long)nsec < 0)
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nsec = -nsec;
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return do_div(nsec, 1000000);
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}
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#define SPLIT_NS(x) (nsec_high(x), nsec_low(x))
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#ifdef CONFIG_CGROUP_SCHED
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static char group_path[PATH_MAX];
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static char *task_group_path(struct task_group *tg)
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{
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if (autogroup_path(tg, group_path, PATH_MAX))
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return group_path;
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cgroup_path(tg->css.cgroup, group_path, PATH_MAX);
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return group_path;
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}
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#endif
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static DEFINE_SPINLOCK(sched_debug_lock);
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static const char * const sched_tunable_scaling_names[] = {
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"none",
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"logaritmic",
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"linear"
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}; /* kernel/sched/debug.c */
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char print_at_AEE_buffer[160];
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#define SEQ_printf_at_AEE(m, x...) \
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do { \
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snprintf(print_at_AEE_buffer, sizeof(print_at_AEE_buffer), x); \
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aee_sram_fiq_log(print_at_AEE_buffer); \
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} while (0)
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static void
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print_task_at_AEE(struct seq_file *m, struct rq *rq, struct task_struct *p)
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{
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#ifdef CONFIG_SCHEDSTATS
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if (rq->curr == p) {
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#ifdef CONFIG_CGROUP_SCHED
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SEQ_printf_at_AEE(m, "R %15s %5d %9lld.%06ld %9lld ",
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p->comm,
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task_pid_nr(p),
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SPLIT_NS(p->se.vruntime),
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(long long)(p->nvcsw + p->nivcsw));
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SEQ_printf_at_AEE(m, "%5d ", p->prio);
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SEQ_printf_at_AEE(m, "%9lld.%06ld %9lld.%06ld %9lld.%06ld ",
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SPLIT_NS(p->se.statistics.wait_sum),
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SPLIT_NS(p->se.sum_exec_runtime),
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SPLIT_NS(p->se.statistics.sum_sleep_runtime));
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SEQ_printf_at_AEE(m, "%s\n ", task_group_path(task_group(p)));
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#else
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SEQ_printf_at_AEE(m, "R %15s %5d %9lld.%06ld %9lld ",
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p->comm,
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task_pid_nr(p),
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SPLIT_NS(p->se.vruntime),
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(long long)(p->nvcsw + p->nivcsw));
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SEQ_printf_at_AEE(m, "%5d ", p->prio);
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SEQ_printf_at_AEE(m, "%9lld.%06ld %9lld.%06ld %9lld.%06ld ",
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SPLIT_NS(p->se.statistics.wait_sum),
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SPLIT_NS(p->se.sum_exec_runtime),
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SPLIT_NS(p->se.statistics.sum_sleep_runtime));
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#endif
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#ifdef CONFIG_NUMA_BALANCING
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SEQ_printf_at_AEE(m, " %d %d", task_node(p), task_numa_group_id(p));
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#endif
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} else {
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#ifdef CONFIG_CGROUP_SCHED
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SEQ_printf_at_AEE(m, "R %15s %5d %9lld.%06ld %9lld ",
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p->comm,
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task_pid_nr(p),
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SPLIT_NS(p->se.vruntime),
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(long long)(p->nvcsw + p->nivcsw));
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SEQ_printf_at_AEE(m, "%5d ", p->prio);
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SEQ_printf_at_AEE(m, "%9lld.%06ld %9lld.%06ld %9lld.%06ld ",
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SPLIT_NS(p->se.statistics.wait_sum),
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SPLIT_NS(p->se.sum_exec_runtime),
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SPLIT_NS(p->se.statistics.sum_sleep_runtime));
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SEQ_printf_at_AEE(m, "%s\n ", task_group_path(task_group(p)));
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#else
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SEQ_printf_at_AEE(m, "R %15s %5d %9lld.%06ld %9lld ",
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p->comm,
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task_pid_nr(p),
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SPLIT_NS(p->se.vruntime),
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(long long)(p->nvcsw + p->nivcsw));
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SEQ_printf_at_AEE(m, "%5d ", p->prio);
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SEQ_printf_at_AEE(m, "%9lld.%06ld %9lld.%06ld %9lld.%06ld ",
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SPLIT_NS(p->se.statistics.wait_sum),
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SPLIT_NS(p->se.sum_exec_runtime),
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SPLIT_NS(p->se.statistics.sum_sleep_runtime));
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#endif
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#ifdef CONFIG_NUMA_BALANCING
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SEQ_printf_at_AEE(m, " %d %d", task_node(p), task_numa_group_id(p));
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#endif
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}
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#else
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SEQ_printf_at_AEE(m, "%9lld.%06ld %9lu %9lld.%06ld",
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0LL, 0L,
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SPLIT_NS(p->se.sum_exec_runtime),
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0LL, 0L);
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#endif
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}
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/* sched: add aee log */
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#define read_trylock_irqsave(lock, flags) \
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({ \
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typecheck(unsigned long, flags); \
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local_irq_save(flags); \
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read_trylock(lock) ? \
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1 : ({ local_irq_restore(flags); 0; }); \
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})
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int read_trylock_n_irqsave(rwlock_t *lock,
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unsigned long *flags, struct seq_file *m, char *msg)
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{
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int locked, trylock_cnt = 0;
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do {
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locked = read_trylock_irqsave(lock, *flags);
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trylock_cnt++;
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mdelay(10);
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} while ((!locked) && (trylock_cnt < TRYLOCK_NUM));
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if (!locked) {
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#ifdef CONFIG_DEBUG_SPINLOCK
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struct task_struct *owner = NULL;
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#endif
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SEQ_printf_at_AEE(m, "Warning: fail to get lock in %s\n", msg);
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#ifdef CONFIG_DEBUG_SPINLOCK
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if (lock->owner && lock->owner != SPINLOCK_OWNER_INIT)
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owner = lock->owner;
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#ifdef CONFIG_SMP
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SEQ_printf_at_AEE(m, " lock: %p, .magic: %08x, .owner: %s/%d",
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lock, lock->magic,
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owner ? owner->comm : "<<none>>",
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owner ? task_pid_nr(owner) : -1);
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#ifdef CONFIG_ARM64
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SEQ_printf_at_AEE(m, ".owner_cpu: %d, value: %d\n",
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lock->owner_cpu, lock->raw_lock.wait_lock.locked);
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#else
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SEQ_printf_at_AEE(m, ".owner_cpu: %d\n", lock->owner_cpu);
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#endif
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#else
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SEQ_printf_at_AEE(m, " lock: %p, .magic: %08x, .owner: %s/%d",
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lock, lock->magic,
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owner ? owner->comm : "<<none>>",
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owner ? task_pid_nr(owner) : -1);
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SEQ_printf_at_AEE(m, ".owner_cpu: %d\n", lock->owner_cpu);
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#endif
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#endif
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}
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return locked;
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}
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int raw_spin_trylock_n_irqsave(raw_spinlock_t *lock,
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unsigned long *flags, struct seq_file *m, char *msg)
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{
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int locked, trylock_cnt = 0;
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do {
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locked = raw_spin_trylock_irqsave(lock, *flags);
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trylock_cnt++;
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mdelay(10);
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} while ((!locked) && (trylock_cnt < TRYLOCK_NUM));
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if (!locked) {
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#ifdef CONFIG_DEBUG_SPINLOCK
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struct task_struct *owner = NULL;
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#endif
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SEQ_printf_at_AEE(m, "Warning: fail to get lock in %s\n", msg);
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#ifdef CONFIG_DEBUG_SPINLOCK
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if (lock->owner && lock->owner != SPINLOCK_OWNER_INIT)
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owner = lock->owner;
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#ifdef CONFIG_ARM64
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#ifdef CONFIG_SMP
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SEQ_printf_at_AEE(m, " lock: %lx, .magic: %08x, .owner: %s/%d",
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(long)lock, lock->magic,
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owner ? owner->comm : "<<none>>",
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owner ? task_pid_nr(owner) : -1);
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SEQ_printf_at_AEE(m, ".owner_cpu: %d",
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lock->owner_cpu);
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#else
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SEQ_printf_at_AEE(m, " lock: %lx, .magic: %08x, .owner: %s/%d",
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(long)lock, lock->magic,
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owner ? owner->comm : "<<none>>",
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owner ? task_pid_nr(owner) : -1);
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SEQ_printf_at_AEE(m, ".owner_cpu: %d, value: %d\n",
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lock->owner_cpu, lock->raw_lock.slock);
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#endif
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#else
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SEQ_printf_at_AEE(m, " lock: %x, .magic: %08x, .owner: %s/%d",
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(int)lock, lock->magic,
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owner ? owner->comm : "<<none>>",
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owner ? task_pid_nr(owner) : -1);
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SEQ_printf_at_AEE(m, ".owner_cpu: %d, value: %d\n",
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lock->owner_cpu, lock->raw_lock.slock);
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#endif
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#endif
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}
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return locked;
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}
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int spin_trylock_n_irqsave(spinlock_t *lock,
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unsigned long *flags, struct seq_file *m, char *msg)
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{
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int locked, trylock_cnt = 0;
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do {
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locked = spin_trylock_irqsave(lock, *flags);
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trylock_cnt++;
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mdelay(10);
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} while ((!locked) && (trylock_cnt < TRYLOCK_NUM));
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if (!locked) {
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#ifdef CONFIG_DEBUG_SPINLOCK
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raw_spinlock_t rlock = lock->rlock;
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struct task_struct *owner = NULL;
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#endif
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SEQ_printf_at_AEE(m, "Warning: fail to get lock in %s\n", msg);
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#ifdef CONFIG_DEBUG_SPINLOCK
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if (rlock.owner && rlock.owner != SPINLOCK_OWNER_INIT)
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owner = rlock.owner;
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#ifdef CONFIG_ARM64
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#ifdef CONFIG_SMP
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SEQ_printf_at_AEE(m, " lock: %lx, .magic: %08x, .owner: %s/%d",
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(long)&rlock, rlock.magic,
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owner ? owner->comm : "<<none>>",
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owner ? task_pid_nr(owner) : -1);
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SEQ_printf_at_AEE(m, " .owner_cpu: %d, pending: %u",
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rlock.owner_cpu,
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rlock.raw_lock.pending);
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#else
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SEQ_printf_at_AEE(m, " lock: %lx, .magic: %08x, .owner: %s/%d",
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(long)&rlock, rlock.magic,
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owner ? owner->comm : "<<none>>",
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owner ? task_pid_nr(owner) : -1);
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SEQ_printf_at_AEE(m, ".owner_cpu: %d, value: %d\n",
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rlock.owner_cpu, rlock.raw_lock.slock);
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#endif
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#else
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SEQ_printf_at_AEE(m, " lock: %x, .magic: %08x, .owner: %s/%d",
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(int)&rlock, rlock.magic,
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owner ? owner->comm : "<<none>>",
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owner ? task_pid_nr(owner) : -1);
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SEQ_printf_at_AEE(m, ".owner_cpu: %d, value: %d\n",
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rlock.owner_cpu, rlock.raw_lock.slock);
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#endif
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#endif
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}
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return locked;
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}
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static void print_rq_at_AEE(struct seq_file *m, struct rq *rq, int rq_cpu)
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{
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struct task_struct *g, *p;
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SEQ_printf_at_AEE(m, "\n");
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SEQ_printf_at_AEE(m, "runnable tasks:\n");
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SEQ_printf_at_AEE(m,
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" task PID tree-key switches prio wait-time sum-exec sum-sleep\n");
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SEQ_printf_at_AEE(m, "---------------------------------------------------\n");
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rcu_read_lock();
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for_each_process_thread(g, p) {
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/*
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* if (task_cpu(p) != rq_cpu)
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* sched: only output the runnable tasks,
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* rather than ALL tasks in runqueues
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*/
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if (!p->on_rq || task_cpu(p) != rq_cpu)
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continue;
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print_task_at_AEE(m, rq, p);
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}
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rcu_read_unlock();
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}
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#ifdef CONFIG_FAIR_GROUP_SCHED
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static void print_cfs_group_stats_at_AEE(struct seq_file *m,
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int cpu, struct task_group *tg)
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{
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struct sched_entity *se = tg->se[cpu];
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#define P(F) SEQ_printf_at_AEE(m, " .%-30s: %lld\n", #F, (long long)F)
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#define P_SCHEDSTAT(F) SEQ_printf_at_AEE(m, " .%-30s: %lld\n", #F, (long long)schedstat_val(F))
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#define PN(F) SEQ_printf_at_AEE(m, " .%-30s: %lu\n", #F, SPLIT_NS((long long)F))
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#define PN_SCHEDSTAT(F) SEQ_printf_at_AEE(m, " .%-30s: %lu\n", #F, SPLIT_NS((long long)schedstat_val(F)))
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if (!se)
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return;
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PN(se->exec_start);
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PN(se->vruntime);
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PN(se->sum_exec_runtime);
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if (schedstat_enabled()) {
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PN_SCHEDSTAT(se->statistics.wait_start);
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PN_SCHEDSTAT(se->statistics.sleep_start);
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PN_SCHEDSTAT(se->statistics.block_start);
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PN_SCHEDSTAT(se->statistics.sleep_max);
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PN_SCHEDSTAT(se->statistics.block_max);
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PN_SCHEDSTAT(se->statistics.exec_max);
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PN_SCHEDSTAT(se->statistics.slice_max);
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PN_SCHEDSTAT(se->statistics.wait_max);
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PN_SCHEDSTAT(se->statistics.wait_sum);
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P_SCHEDSTAT(se->statistics.wait_count);
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}
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P(se->load.weight);
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P(se->runnable_weight);
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#ifdef CONFIG_SMP
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P(se->avg.load_avg);
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P(se->avg.util_avg);
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P(se->avg.runnable_load_avg);
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#endif
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#undef PN
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#undef P
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}
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#endif
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void print_cfs_rq_at_AEE(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
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{
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s64 MIN_vruntime = -1, min_vruntime, max_vruntime = -1,
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spread, rq0_min_vruntime, spread0;
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struct rq *rq = cpu_rq(cpu);
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struct sched_entity *last;
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unsigned long flags;
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int locked;
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#ifdef CONFIG_FAIR_GROUP_SCHED
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SEQ_printf_at_AEE(m, "\n");
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SEQ_printf_at_AEE(m, "cfs_rq[%d]:%s\n", cpu, task_group_path(cfs_rq->tg));
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#else
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SEQ_printf_at_AEE(m, "\n");
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SEQ_printf_at_AEE(m, "cfs_rq[%d]:\n", cpu);
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#endif
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SEQ_printf_at_AEE(m, " .%-30s: %lu\n", "exec_clock",
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SPLIT_NS(cfs_rq->exec_clock));
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locked = raw_spin_trylock_n_irqsave(&rq->lock,
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&flags, m, "print_cfs_rq_at_AEE");
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if (rb_first_cached(&cfs_rq->tasks_timeline))
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MIN_vruntime = (__pick_first_entity(cfs_rq))->vruntime;
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last = __pick_last_entity(cfs_rq);
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if (last)
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max_vruntime = last->vruntime;
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min_vruntime = cfs_rq->min_vruntime;
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rq0_min_vruntime = cpu_rq(0)->cfs.min_vruntime;
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if (locked)
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raw_spin_unlock_irqrestore(&rq->lock, flags);
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SEQ_printf_at_AEE(m, " .%-30s: %lu\n", "MIN_vruntime",
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SPLIT_NS(MIN_vruntime));
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SEQ_printf_at_AEE(m, " .%-30s: %lu\n", "min_vruntime",
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SPLIT_NS(min_vruntime));
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SEQ_printf_at_AEE(m, " .%-30s: %lu\n", "max_vruntime",
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SPLIT_NS(max_vruntime));
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spread = max_vruntime - MIN_vruntime;
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#ifdef DEBUG
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SEQ_printf_at_AEE(m, " .%-30s: %lu\n", "spread",
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SPLIT_NS(spread));
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#endif
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spread0 = min_vruntime - rq0_min_vruntime;
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#ifdef DEBUG
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SEQ_printf_at_AEE(m, " .%-30s: %lu\n", "spread0",
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SPLIT_NS(spread0));
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SEQ_printf_at_AEE(m, " .%-30s: %d\n", "nr_spread_over",
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cfs_rq->nr_spread_over);
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#endif
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SEQ_printf_at_AEE(m, " .%-30s: %d\n",
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"nr_running", cfs_rq->nr_running);
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SEQ_printf_at_AEE(m, " .%-30s: %ld\n", "load", cfs_rq->load.weight);
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#ifdef CONFIG_SMP
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SEQ_printf_at_AEE(m, " .%-30s: %ld\n", "runnable_weight", cfs_rq->runnable_weight);
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SEQ_printf_at_AEE(m, " .%-30s: %lu\n", "load_avg",
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cfs_rq->avg.load_avg);
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SEQ_printf_at_AEE(m, " .%-30s: %lu\n", "runnable_load_avg",
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cfs_rq->avg.runnable_load_avg);
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SEQ_printf_at_AEE(m, " .%-30s: %lu\n", "util_avg",
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cfs_rq->avg.util_avg);
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SEQ_printf_at_AEE(m, " .%-30s: %u\n", "util_est_enqueued",
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cfs_rq->avg.util_est.enqueued);
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SEQ_printf_at_AEE(m, " .%-30s: %ld\n", "removed.load_avg",
|
|
cfs_rq->removed.load_avg);
|
|
SEQ_printf_at_AEE(m, " .%-30s: %ld\n", "removed.util_avg",
|
|
cfs_rq->removed.util_avg);
|
|
SEQ_printf_at_AEE(m, " .%-30s: %ld\n", "removed.runnable_sum",
|
|
cfs_rq->removed.runnable_sum);
|
|
|
|
#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
|
|
SEQ_printf_at_AEE(m, "\n");
|
|
SEQ_printf_at_AEE(m, "rt_rq[%d]:%s\n", cpu, task_group_path(rt_rq->tg));
|
|
#else
|
|
SEQ_printf_at_AEE(m, "\n");
|
|
SEQ_printf_at_AEE(m, "rt_rq[%d]:\n", cpu);
|
|
#endif
|
|
|
|
|
|
#define P(x) \
|
|
SEQ_printf_at_AEE(m, " .%-30s: %lld\n", #x, (long long)(rt_rq->x))
|
|
#define PU(x) \
|
|
SEQ_printf_at_AEE(m, " .%-30s: %lu\n", #x, (unsigned long)(rt_rq->x))
|
|
#define PN(x) \
|
|
SEQ_printf_at_AEE(m, " .%-30s: %lu\n", #x, SPLIT_NS(rt_rq->x))
|
|
|
|
P(rt_nr_running);
|
|
#ifdef CONFIG_SMP
|
|
PU(rt_nr_migratory);
|
|
#endif
|
|
|
|
P(rt_throttled);
|
|
PN(rt_time);
|
|
PN(rt_runtime);
|
|
|
|
#undef PN
|
|
#undef PU
|
|
#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)
|
|
{
|
|
struct dl_bw *dl_bw;
|
|
|
|
SEQ_printf_at_AEE(m, "\n");
|
|
SEQ_printf_at_AEE(m, "dl_rq[%d]:\n", cpu);
|
|
SEQ_printf_at_AEE(m, " .%-30s: %ld\n",
|
|
"dl_nr_running", dl_rq->dl_nr_running);
|
|
|
|
#define PU(x) \
|
|
SEQ_printf_at_AEE(m, " .%-30s: %lu\n", #x, (unsigned long)(dl_rq->x))
|
|
|
|
PU(dl_nr_running);
|
|
#ifdef CONFIG_SMP
|
|
PU(dl_nr_migratory);
|
|
dl_bw = &cpu_rq(cpu)->rd->dl_bw;
|
|
#else
|
|
dl_bw = &dl_rq->dl_bw;
|
|
#endif
|
|
SEQ_printf_at_AEE(m, " .%-30s: %lld\n", "dl_bw->bw", dl_bw->bw);
|
|
SEQ_printf_at_AEE(m, " .%-30s: %lld\n", "dl_bw->total_bw", dl_bw->total_bw);
|
|
|
|
#undef PU
|
|
}
|
|
|
|
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: %lu\n", #x, SPLIT_NS(rq->x))
|
|
|
|
P(nr_running);
|
|
SEQ_printf_at_AEE(m, " .%-30s: %lu\n", "load",
|
|
rq->load.weight);
|
|
#ifdef DEBUG
|
|
P(nr_switches);
|
|
#endif
|
|
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);
|
|
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]));
|
|
|
|
#undef P
|
|
#undef PN
|
|
|
|
#ifdef CONFIG_SMP
|
|
#define P64(n) SEQ_printf_at_AEE(m, " .%-30s: %lld\n", #n, rq->n)
|
|
P64(avg_idle);
|
|
P64(max_idle_balance_cost);
|
|
#undef P64
|
|
#endif
|
|
|
|
#define P(n) SEQ_printf_at_AEE(m, " .%-30s: %d\n", #n, schedstat_val(rq->n))
|
|
if (schedstat_enabled()) {
|
|
P(yld_count);
|
|
P(sched_count);
|
|
P(sched_goidle);
|
|
P(ttwu_count);
|
|
P(ttwu_local);
|
|
}
|
|
#undef P
|
|
|
|
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();
|
|
|
|
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;
|
|
|
|
local_irq_save(flags);
|
|
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: %lu\n", #x, SPLIT_NS(x))
|
|
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: %lu\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);
|
|
locked = read_trylock_n_irqsave(&tasklist_lock,
|
|
&flags, NULL, "sched_debug_show_at_AEE");
|
|
|
|
for_each_possible_cpu(cpu) {
|
|
print_cpu_at_AEE(NULL, cpu);
|
|
}
|
|
if (locked)
|
|
read_unlock_irqrestore(&tasklist_lock, flags);
|
|
}
|
|
|
|
#endif /* end CONFIG_MTK_AEE_IPANIC */
|