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- /*
- * 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);
- int kbuffer_start_of_data(struct kbuffer *kbuf);
- #endif /* _K_BUFFER_H */
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