78 *op_cpu_buffer_write_reserve(struct op_entry *entry, unsigned long size);
79 int op_cpu_buffer_write_commit(struct op_entry *entry);
80 struct op_sample *op_cpu_buffer_read_entry(struct op_entry *entry, int cpu);
85 int op_cpu_buffer_add_data(struct op_entry *entry, unsigned long val)  in op_cpu_buffer_add_data()  argument
87 	if (!entry->size)  in op_cpu_buffer_add_data()
89 	*entry->data = val;  in op_cpu_buffer_add_data()
90 	entry->size--;  in op_cpu_buffer_add_data()
91 	entry->data++;  in op_cpu_buffer_add_data()
92 	return entry->size;  in op_cpu_buffer_add_data()
97 int op_cpu_buffer_get_size(struct op_entry *entry)  in op_cpu_buffer_get_size()  argument
99 	return entry->size;  in op_cpu_buffer_get_size()
104 int op_cpu_buffer_get_data(struct op_entry *entry, unsigned long *val)  in op_cpu_buffer_get_data()  argument
106 	int size = entry->size;  in op_cpu_buffer_get_data()
109 	*val = *entry->data;  in op_cpu_buffer_get_data()
110 	entry->size--;  in op_cpu_buffer_get_data()
111 	entry->data++;  in op_cpu_buffer_get_data()