cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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profile.h (1560B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef _LINUX_PROFILE_H
      3#define _LINUX_PROFILE_H
      4
      5#include <linux/kernel.h>
      6#include <linux/init.h>
      7#include <linux/cpumask.h>
      8#include <linux/cache.h>
      9
     10#include <asm/errno.h>
     11
     12#define CPU_PROFILING	1
     13#define SCHED_PROFILING	2
     14#define SLEEP_PROFILING	3
     15#define KVM_PROFILING	4
     16
     17struct proc_dir_entry;
     18struct notifier_block;
     19
     20#if defined(CONFIG_PROFILING) && defined(CONFIG_PROC_FS)
     21void create_prof_cpu_mask(void);
     22int create_proc_profile(void);
     23#else
     24static inline void create_prof_cpu_mask(void)
     25{
     26}
     27
     28static inline int create_proc_profile(void)
     29{
     30	return 0;
     31}
     32#endif
     33
     34#ifdef CONFIG_PROFILING
     35
     36extern int prof_on __read_mostly;
     37
     38/* init basic kernel profiler */
     39int profile_init(void);
     40int profile_setup(char *str);
     41void profile_tick(int type);
     42int setup_profiling_timer(unsigned int multiplier);
     43
     44/*
     45 * Add multiple profiler hits to a given address:
     46 */
     47void profile_hits(int type, void *ip, unsigned int nr_hits);
     48
     49/*
     50 * Single profiler hit:
     51 */
     52static inline void profile_hit(int type, void *ip)
     53{
     54	/*
     55	 * Speedup for the common (no profiling enabled) case:
     56	 */
     57	if (unlikely(prof_on == type))
     58		profile_hits(type, ip, 1);
     59}
     60
     61struct task_struct;
     62struct mm_struct;
     63
     64#else
     65
     66#define prof_on 0
     67
     68static inline int profile_init(void)
     69{
     70	return 0;
     71}
     72
     73static inline void profile_tick(int type)
     74{
     75	return;
     76}
     77
     78static inline void profile_hits(int type, void *ip, unsigned int nr_hits)
     79{
     80	return;
     81}
     82
     83static inline void profile_hit(int type, void *ip)
     84{
     85	return;
     86}
     87
     88
     89#endif /* CONFIG_PROFILING */
     90
     91#endif /* _LINUX_PROFILE_H */