diff options
-rw-r--r-- | include/linux/profile.h | 56 | ||||
-rw-r--r-- | kernel/Makefile | 3 | ||||
-rw-r--r-- | kernel/profile.c | 4 |
3 files changed, 41 insertions, 22 deletions
diff --git a/include/linux/profile.h b/include/linux/profile.h index 05c1cc736937..4081fa31081f 100644 --- a/include/linux/profile.h +++ b/include/linux/profile.h | |||
@@ -8,8 +8,6 @@ | |||
8 | 8 | ||
9 | #include <asm/errno.h> | 9 | #include <asm/errno.h> |
10 | 10 | ||
11 | extern int prof_on __read_mostly; | ||
12 | |||
13 | #define CPU_PROFILING 1 | 11 | #define CPU_PROFILING 1 |
14 | #define SCHED_PROFILING 2 | 12 | #define SCHED_PROFILING 2 |
15 | #define SLEEP_PROFILING 3 | 13 | #define SLEEP_PROFILING 3 |
@@ -19,14 +17,29 @@ struct proc_dir_entry; | |||
19 | struct pt_regs; | 17 | struct pt_regs; |
20 | struct notifier_block; | 18 | struct notifier_block; |
21 | 19 | ||
20 | #if defined(CONFIG_PROFILING) && defined(CONFIG_PROC_FS) | ||
21 | void create_prof_cpu_mask(struct proc_dir_entry *); | ||
22 | #else | ||
23 | #define create_prof_cpu_mask(x) do { (void)(x); } while (0) | ||
24 | #endif | ||
25 | |||
26 | enum profile_type { | ||
27 | PROFILE_TASK_EXIT, | ||
28 | PROFILE_MUNMAP | ||
29 | }; | ||
30 | |||
31 | #ifdef CONFIG_PROFILING | ||
32 | |||
33 | extern int prof_on __read_mostly; | ||
34 | |||
22 | /* init basic kernel profiler */ | 35 | /* init basic kernel profiler */ |
23 | void __init profile_init(void); | 36 | void __init profile_init(void); |
24 | void profile_tick(int); | 37 | void profile_tick(int type); |
25 | 38 | ||
26 | /* | 39 | /* |
27 | * Add multiple profiler hits to a given address: | 40 | * Add multiple profiler hits to a given address: |
28 | */ | 41 | */ |
29 | void profile_hits(int, void *ip, unsigned int nr_hits); | 42 | void profile_hits(int type, void *ip, unsigned int nr_hits); |
30 | 43 | ||
31 | /* | 44 | /* |
32 | * Single profiler hit: | 45 | * Single profiler hit: |
@@ -40,19 +53,6 @@ static inline void profile_hit(int type, void *ip) | |||
40 | profile_hits(type, ip, 1); | 53 | profile_hits(type, ip, 1); |
41 | } | 54 | } |
42 | 55 | ||
43 | #ifdef CONFIG_PROC_FS | ||
44 | void create_prof_cpu_mask(struct proc_dir_entry *); | ||
45 | #else | ||
46 | #define create_prof_cpu_mask(x) do { (void)(x); } while (0) | ||
47 | #endif | ||
48 | |||
49 | enum profile_type { | ||
50 | PROFILE_TASK_EXIT, | ||
51 | PROFILE_MUNMAP | ||
52 | }; | ||
53 | |||
54 | #ifdef CONFIG_PROFILING | ||
55 | |||
56 | struct task_struct; | 56 | struct task_struct; |
57 | struct mm_struct; | 57 | struct mm_struct; |
58 | 58 | ||
@@ -80,6 +80,28 @@ struct pt_regs; | |||
80 | 80 | ||
81 | #else | 81 | #else |
82 | 82 | ||
83 | #define prof_on 0 | ||
84 | |||
85 | static inline void profile_init(void) | ||
86 | { | ||
87 | return; | ||
88 | } | ||
89 | |||
90 | static inline void profile_tick(int type) | ||
91 | { | ||
92 | return; | ||
93 | } | ||
94 | |||
95 | static inline void profile_hits(int type, void *ip, unsigned int nr_hits) | ||
96 | { | ||
97 | return; | ||
98 | } | ||
99 | |||
100 | static inline void profile_hit(int type, void *ip) | ||
101 | { | ||
102 | return; | ||
103 | } | ||
104 | |||
83 | static inline int task_handoff_register(struct notifier_block * n) | 105 | static inline int task_handoff_register(struct notifier_block * n) |
84 | { | 106 | { |
85 | return -ENOSYS; | 107 | return -ENOSYS; |
diff --git a/kernel/Makefile b/kernel/Makefile index 15ab63ffe64d..54f69837d35a 100644 --- a/kernel/Makefile +++ b/kernel/Makefile | |||
@@ -2,7 +2,7 @@ | |||
2 | # Makefile for the linux kernel. | 2 | # Makefile for the linux kernel. |
3 | # | 3 | # |
4 | 4 | ||
5 | obj-y = sched.o fork.o exec_domain.o panic.o printk.o profile.o \ | 5 | obj-y = sched.o fork.o exec_domain.o panic.o printk.o \ |
6 | cpu.o exit.o itimer.o time.o softirq.o resource.o \ | 6 | cpu.o exit.o itimer.o time.o softirq.o resource.o \ |
7 | sysctl.o capability.o ptrace.o timer.o user.o \ | 7 | sysctl.o capability.o ptrace.o timer.o user.o \ |
8 | signal.o sys.o kmod.o workqueue.o pid.o \ | 8 | signal.o sys.o kmod.o workqueue.o pid.o \ |
@@ -24,6 +24,7 @@ CFLAGS_REMOVE_sched_clock.o = -pg | |||
24 | CFLAGS_REMOVE_sched.o = -mno-spe -pg | 24 | CFLAGS_REMOVE_sched.o = -mno-spe -pg |
25 | endif | 25 | endif |
26 | 26 | ||
27 | obj-$(CONFIG_PROFILING) += profile.o | ||
27 | obj-$(CONFIG_SYSCTL_SYSCALL_CHECK) += sysctl_check.o | 28 | obj-$(CONFIG_SYSCTL_SYSCALL_CHECK) += sysctl_check.o |
28 | obj-$(CONFIG_STACKTRACE) += stacktrace.o | 29 | obj-$(CONFIG_STACKTRACE) += stacktrace.o |
29 | obj-y += time/ | 30 | obj-y += time/ |
diff --git a/kernel/profile.c b/kernel/profile.c index 58926411eb2a..cd26bed4cc26 100644 --- a/kernel/profile.c +++ b/kernel/profile.c | |||
@@ -112,8 +112,6 @@ void __init profile_init(void) | |||
112 | 112 | ||
113 | /* Profile event notifications */ | 113 | /* Profile event notifications */ |
114 | 114 | ||
115 | #ifdef CONFIG_PROFILING | ||
116 | |||
117 | static BLOCKING_NOTIFIER_HEAD(task_exit_notifier); | 115 | static BLOCKING_NOTIFIER_HEAD(task_exit_notifier); |
118 | static ATOMIC_NOTIFIER_HEAD(task_free_notifier); | 116 | static ATOMIC_NOTIFIER_HEAD(task_free_notifier); |
119 | static BLOCKING_NOTIFIER_HEAD(munmap_notifier); | 117 | static BLOCKING_NOTIFIER_HEAD(munmap_notifier); |
@@ -203,8 +201,6 @@ void unregister_timer_hook(int (*hook)(struct pt_regs *)) | |||
203 | } | 201 | } |
204 | EXPORT_SYMBOL_GPL(unregister_timer_hook); | 202 | EXPORT_SYMBOL_GPL(unregister_timer_hook); |
205 | 203 | ||
206 | #endif /* CONFIG_PROFILING */ | ||
207 | |||
208 | 204 | ||
209 | #ifdef CONFIG_SMP | 205 | #ifdef CONFIG_SMP |
210 | /* | 206 | /* |