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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485/* SPDX-License-Identifier: GPL-2.0 */#ifndef _LINUX_PROFILE_H#define _LINUX_PROFILE_H
#include <linux/kernel.h>#include <linux/init.h>#include <linux/cache.h>
#include <asm/errno.h>
#define CPU_PROFILING 1#define SCHED_PROFILING 2#define KVM_PROFILING 4
struct proc_dir_entry;struct notifier_block;
#if defined(CONFIG_PROFILING) && defined(CONFIG_PROC_FS)int create_proc_profile(void);#elsestatic inline int create_proc_profile(void){ return 0;}#endif
#ifdef CONFIG_PROFILING
extern int prof_on __read_mostly;
/* init basic kernel profiler */int profile_init(void);int profile_setup(char *str);void profile_tick(int type);int setup_profiling_timer(unsigned int multiplier);
/* * Add multiple profiler hits to a given address: */void profile_hits(int type, void *ip, unsigned int nr_hits);
/* * Single profiler hit: */static inline void profile_hit(int type, void *ip){ /* * Speedup for the common (no profiling enabled) case: */ if (unlikely(prof_on == type)) profile_hits(type, ip, 1);}
struct task_struct;struct mm_struct;
#else
#define prof_on 0
static inline int profile_init(void){ return 0;}
static inline void profile_tick(int type){ return;}
static inline void profile_hits(int type, void *ip, unsigned int nr_hits){ return;}
static inline void profile_hit(int type, void *ip){ return;}
#endif /* CONFIG_PROFILING */
#endif /* _LINUX_PROFILE_H */