diff options
Diffstat (limited to 'kernel/profile.c')
-rw-r--r-- | kernel/profile.c | 30 |
1 files changed, 3 insertions, 27 deletions
diff --git a/kernel/profile.c b/kernel/profile.c index 1f391819c42..0bf40073766 100644 --- a/kernel/profile.c +++ b/kernel/profile.c @@ -37,9 +37,6 @@ struct profile_hit { #define NR_PROFILE_HIT (PAGE_SIZE/sizeof(struct profile_hit)) #define NR_PROFILE_GRP (NR_PROFILE_HIT/PROFILE_GRPSZ) -/* Oprofile timer tick hook */ -static int (*timer_hook)(struct pt_regs *) __read_mostly; - static atomic_t *prof_buffer; static unsigned long prof_len, prof_shift; @@ -208,25 +205,6 @@ int profile_event_unregister(enum profile_type type, struct notifier_block *n) } EXPORT_SYMBOL_GPL(profile_event_unregister); -int register_timer_hook(int (*hook)(struct pt_regs *)) -{ - if (timer_hook) - return -EBUSY; - timer_hook = hook; - return 0; -} -EXPORT_SYMBOL_GPL(register_timer_hook); - -void unregister_timer_hook(int (*hook)(struct pt_regs *)) -{ - WARN_ON(hook != timer_hook); - timer_hook = NULL; - /* make sure all CPUs see the NULL hook */ - synchronize_sched(); /* Allow ongoing interrupts to complete. */ -} -EXPORT_SYMBOL_GPL(unregister_timer_hook); - - #ifdef CONFIG_SMP /* * Each cpu has a pair of open-addressed hashtables for pending @@ -436,8 +414,6 @@ void profile_tick(int type) { struct pt_regs *regs = get_irq_regs(); - if (type == CPU_PROFILING && timer_hook) - timer_hook(regs); if (!user_mode(regs) && prof_cpu_mask != NULL && cpumask_test_cpu(smp_processor_id(), prof_cpu_mask)) profile_hit(type, (void *)profile_pc(regs)); @@ -486,10 +462,10 @@ static const struct file_operations prof_cpu_mask_proc_fops = { .write = prof_cpu_mask_proc_write, }; -void create_prof_cpu_mask(struct proc_dir_entry *root_irq_dir) +void create_prof_cpu_mask(void) { /* create /proc/irq/prof_cpu_mask */ - proc_create("prof_cpu_mask", 0600, root_irq_dir, &prof_cpu_mask_proc_fops); + proc_create("irq/prof_cpu_mask", 0600, NULL, &prof_cpu_mask_proc_fops); } /* @@ -624,7 +600,7 @@ int __ref create_proc_profile(void) /* false positive from hotcpu_notifier */ NULL, &proc_profile_operations); if (!entry) return 0; - entry->size = (1+prof_len) * sizeof(atomic_t); + proc_set_size(entry, (1 + prof_len) * sizeof(atomic_t)); hotcpu_notifier(profile_cpu_callback, 0); return 0; } |