forked from mirrors/linux
dd5bdaf2b7
All the big Linux distros enable CONFIG_SCHED_DEBUG, because the various features it provides help not just with kernel development, but with system administration and user-space software development as well. Reflect this reality and enable this functionality unconditionally. Signed-off-by: Ingo Molnar <mingo@kernel.org> Tested-by: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Ben Segall <bsegall@google.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: https://lore.kernel.org/r/20250317104257.3496611-4-mingo@kernel.org
52 lines
1.4 KiB
C
52 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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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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/* 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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