From d3d1e320d43a7bad9603acf0214406a1e8795c63 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Fri, 3 Feb 2017 11:16:09 +0100 Subject: [PATCH] sched/headers: Move debugging functions from to Collect the various scheduler and task state debugging APIs scattered around into the new header. In particular the show_regs() and show_stack() prototype affects many files, update them. Acked-by: Linus Torvalds Cc: Mike Galbraith Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar --- include/linux/sched.h | 36 ----------------------------- include/linux/sched/debug.h | 46 +++++++++++++++++++++++++++++++++++++ 2 files changed, 46 insertions(+), 36 deletions(-) diff --git a/include/linux/sched.h b/include/linux/sched.h index 5f9bfc603d19..76a2e522be29 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -46,15 +46,9 @@ struct nameidata; struct signal_struct; struct sighand_struct; -extern void dump_cpu_task(int cpu); - struct seq_file; struct cfs_rq; struct task_group; -#ifdef CONFIG_SCHED_DEBUG -extern void proc_sched_show_task(struct task_struct *p, struct seq_file *m); -extern void proc_sched_set_task(struct task_struct *p); -#endif /* * Task state bitmask. NOTE! These bits are also @@ -196,25 +190,6 @@ extern cpumask_var_t cpu_isolated_map; extern int runqueue_is_locked(int cpu); -/* - * Only dump TASK_* tasks. (0 for all tasks) - */ -extern void show_state_filter(unsigned long state_filter); - -static inline void show_state(void) -{ - show_state_filter(0); -} - -extern void show_regs(struct pt_regs *); - -/* - * TASK is a pointer to the task whose backtrace we want to see (or NULL for current - * task), SP is the stack pointer of the first frame that should be shown in the back - * trace (or NULL if the entire call-chain of the task should be shown). - */ -extern void show_stack(struct task_struct *task, unsigned long *sp); - extern void cpu_init (void); extern void trap_init(void); extern void update_process_times(int user); @@ -229,17 +204,6 @@ extern int sched_cpu_dying(unsigned int cpu); # define sched_cpu_dying NULL #endif -extern void sched_show_task(struct task_struct *p); - -/* Attach to any functions which should be ignored in wchan output. */ -#define __sched __attribute__((__section__(".sched.text"))) - -/* Linker adds these: start and end of __sched functions */ -extern char __sched_text_start[], __sched_text_end[]; - -/* Is this address in the __sched functions? */ -extern int in_sched_functions(unsigned long addr); - #define MAX_SCHEDULE_TIMEOUT LONG_MAX extern signed long schedule_timeout(signed long timeout); extern signed long schedule_timeout_interruptible(signed long timeout); diff --git a/include/linux/sched/debug.h b/include/linux/sched/debug.h index 55bc0cd35fd5..853bbef0b47b 100644 --- a/include/linux/sched/debug.h +++ b/include/linux/sched/debug.h @@ -3,4 +3,50 @@ #include +/* + * Various scheduler/task debugging interfaces: + */ + +struct task_struct; + +extern void dump_cpu_task(int cpu); + +/* + * Only dump TASK_* tasks. (0 for all tasks) + */ +extern void show_state_filter(unsigned long state_filter); + +static inline void show_state(void) +{ + show_state_filter(0); +} + +struct pt_regs; + +extern void show_regs(struct pt_regs *); + +/* + * TASK is a pointer to the task whose backtrace we want to see (or NULL for current + * task), SP is the stack pointer of the first frame that should be shown in the back + * trace (or NULL if the entire call-chain of the task should be shown). + */ +extern void show_stack(struct task_struct *task, unsigned long *sp); + +extern void sched_show_task(struct task_struct *p); + +#ifdef CONFIG_SCHED_DEBUG +struct seq_file; +extern void proc_sched_show_task(struct task_struct *p, struct seq_file *m); +extern void proc_sched_set_task(struct task_struct *p); +#endif + +/* Attach to any functions which should be ignored in wchan output. */ +#define __sched __attribute__((__section__(".sched.text"))) + +/* Linker adds these: start and end of __sched functions */ +extern char __sched_text_start[], __sched_text_end[]; + +/* Is this address in the __sched functions? */ +extern int in_sched_functions(unsigned long addr); + #endif /* _LINUX_SCHED_DEBUG_H */ -- GitLab