f1214c569a
When WALT and CFI are enabled, weak symbols which points to NULL are causing issues like global structures becoming NULL due to compiler/linker treatment of these symbols. Provide proper stub definition for all such weak symbols to avoid issues until compiler/linker gets fixed. Change-Id: I3dce047393521681e663a0ad254b07e9769e0265 Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
78 lines
2.2 KiB
C
78 lines
2.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_SCHED_STAT_H
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#define _LINUX_SCHED_STAT_H
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#include <linux/percpu.h>
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/*
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* Various counters maintained by the scheduler and fork(),
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* exposed via /proc, sys.c or used by drivers via these APIs.
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*
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* ( Note that all these values are acquired without locking,
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* so they can only be relied on in narrow circumstances. )
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*/
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extern unsigned long total_forks;
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extern int nr_threads;
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DECLARE_PER_CPU(unsigned long, process_counts);
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extern int nr_processes(void);
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extern unsigned long nr_running(void);
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extern bool single_task_running(void);
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extern unsigned long nr_iowait(void);
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extern unsigned long nr_iowait_cpu(int cpu);
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#ifdef CONFIG_SCHED_WALT
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extern void sched_update_nr_prod(int cpu, long delta, bool inc);
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extern unsigned int sched_get_cpu_util(int cpu);
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extern void sched_update_hyst_times(void);
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extern u64 sched_lpm_disallowed_time(int cpu);
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extern int sched_wake_up_idle_show(struct seq_file *m, void *v);
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extern ssize_t sched_wake_up_idle_write(struct file *file,
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const char __user *buf, size_t count, loff_t *offset);
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extern int sched_wake_up_idle_open(struct inode *inode,
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struct file *filp);
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extern int sched_init_task_load_show(struct seq_file *m, void *v);
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extern ssize_t
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sched_init_task_load_write(struct file *file, const char __user *buf,
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size_t count, loff_t *offset);
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extern int
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sched_init_task_load_open(struct inode *inode, struct file *filp);
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extern int sched_group_id_show(struct seq_file *m, void *v);
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extern ssize_t
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sched_group_id_write(struct file *file, const char __user *buf,
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size_t count, loff_t *offset);
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extern int sched_group_id_open(struct inode *inode, struct file *filp);
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#else
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static inline void sched_update_nr_prod(int cpu, long delta, bool inc) {}
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static inline unsigned int sched_get_cpu_util(int cpu)
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{
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return 0;
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}
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static inline void sched_update_hyst_times(void) {}
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static inline u64 sched_lpm_disallowed_time(int cpu)
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{
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return 0;
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}
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#endif
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static inline int sched_info_on(void)
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{
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#ifdef CONFIG_SCHEDSTATS
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return 1;
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#elif defined(CONFIG_TASK_DELAY_ACCT)
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extern int delayacct_on;
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return delayacct_on;
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#else
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return 0;
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#endif
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}
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#ifdef CONFIG_SCHEDSTATS
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void force_schedstat_enabled(void);
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#endif
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#endif /* _LINUX_SCHED_STAT_H */
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