forked from mirrors/linux
2f064a59a1
Change the type and name of task_struct::state. Drop the volatile and shrink it to an 'unsigned int'. Rename it in order to find all uses such that we can use READ_ONCE/WRITE_ONCE as appropriate. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Daniel Bristot de Oliveira <bristot@redhat.com> Acked-by: Will Deacon <will@kernel.org> Acked-by: Daniel Thompson <daniel.thompson@linaro.org> Link: https://lore.kernel.org/r/20210611082838.550736351@infradead.org
54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_SCHED_DEBUG_H
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#define _LINUX_SCHED_DEBUG_H
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/*
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* Various scheduler/task debugging interfaces:
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*/
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struct task_struct;
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struct pid_namespace;
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extern void dump_cpu_task(int cpu);
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/*
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* Only dump TASK_* tasks. (0 for all tasks)
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*/
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extern void show_state_filter(unsigned int state_filter);
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static inline void show_state(void)
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{
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show_state_filter(0);
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}
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struct pt_regs;
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extern void show_regs(struct pt_regs *);
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/*
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* TASK is a pointer to the task whose backtrace we want to see (or NULL for current
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* task), SP is the stack pointer of the first frame that should be shown in the back
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* trace (or NULL if the entire call-chain of the task should be shown).
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*/
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extern void show_stack(struct task_struct *task, unsigned long *sp,
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const char *loglvl);
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extern void sched_show_task(struct task_struct *p);
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#ifdef CONFIG_SCHED_DEBUG
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struct seq_file;
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extern void proc_sched_show_task(struct task_struct *p,
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struct pid_namespace *ns, struct seq_file *m);
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extern void proc_sched_set_task(struct task_struct *p);
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#endif
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/* Attach to any functions which should be ignored in wchan output. */
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#define __sched __section(".sched.text")
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/* Linker adds these: start and end of __sched functions */
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extern char __sched_text_start[], __sched_text_end[];
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/* Is this address in the __sched functions? */
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extern int in_sched_functions(unsigned long addr);
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#endif /* _LINUX_SCHED_DEBUG_H */
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