68 lines
		
	
	
	
		
			2.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			68 lines
		
	
	
	
		
			2.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  * Copyright (C) 2012 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> | ||
|  |  * | ||
|  |  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | ||
|  |  * This program is free software; you can redistribute it and/or | ||
|  |  * modify it under the terms of the GNU Lesser General Public | ||
|  |  * License as published by the Free Software Foundation; | ||
|  |  * version 2.1 of the License (not later!) | ||
|  |  * | ||
|  |  * This program is distributed in the hope that it will be useful, | ||
|  |  * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
|  |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | ||
|  |  * GNU Lesser General Public License for more details. | ||
|  |  * | ||
|  |  * You should have received a copy of the GNU Lesser General Public | ||
|  |  * License along with this program; if not, write to the Free Software | ||
|  |  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
|  |  * | ||
|  |  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | ||
|  |  */ | ||
|  | #ifndef _KBUFFER_H
 | ||
|  | #define _KBUFFER_H
 | ||
|  | 
 | ||
|  | #ifndef TS_SHIFT
 | ||
|  | #define TS_SHIFT		27
 | ||
|  | #endif
 | ||
|  | 
 | ||
|  | enum kbuffer_endian { | ||
|  | 	KBUFFER_ENDIAN_BIG, | ||
|  | 	KBUFFER_ENDIAN_LITTLE, | ||
|  | }; | ||
|  | 
 | ||
|  | enum kbuffer_long_size { | ||
|  | 	KBUFFER_LSIZE_4, | ||
|  | 	KBUFFER_LSIZE_8, | ||
|  | }; | ||
|  | 
 | ||
|  | enum { | ||
|  | 	KBUFFER_TYPE_PADDING		= 29, | ||
|  | 	KBUFFER_TYPE_TIME_EXTEND	= 30, | ||
|  | 	KBUFFER_TYPE_TIME_STAMP		= 31, | ||
|  | }; | ||
|  | 
 | ||
|  | struct kbuffer; | ||
|  | 
 | ||
|  | struct kbuffer *kbuffer_alloc(enum kbuffer_long_size size, enum kbuffer_endian endian); | ||
|  | void kbuffer_free(struct kbuffer *kbuf); | ||
|  | int kbuffer_load_subbuffer(struct kbuffer *kbuf, void *subbuffer); | ||
|  | void *kbuffer_read_event(struct kbuffer *kbuf, unsigned long long *ts); | ||
|  | void *kbuffer_next_event(struct kbuffer *kbuf, unsigned long long *ts); | ||
|  | unsigned long long kbuffer_timestamp(struct kbuffer *kbuf); | ||
|  | 
 | ||
|  | void *kbuffer_translate_data(int swap, void *data, unsigned int *size); | ||
|  | 
 | ||
|  | void *kbuffer_read_at_offset(struct kbuffer *kbuf, int offset, unsigned long long *ts); | ||
|  | 
 | ||
|  | int kbuffer_curr_index(struct kbuffer *kbuf); | ||
|  | 
 | ||
|  | int kbuffer_curr_offset(struct kbuffer *kbuf); | ||
|  | int kbuffer_curr_size(struct kbuffer *kbuf); | ||
|  | int kbuffer_event_size(struct kbuffer *kbuf); | ||
|  | int kbuffer_missed_events(struct kbuffer *kbuf); | ||
|  | int kbuffer_subbuffer_size(struct kbuffer *kbuf); | ||
|  | 
 | ||
|  | void kbuffer_set_old_format(struct kbuffer *kbuf); | ||
|  | 
 | ||
|  | #endif /* _K_BUFFER_H */
 |