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