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68 lines
1.8 KiB
68 lines
1.8 KiB
/* SPDX-License-Identifier: LGPL-2.1 */ |
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/* |
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* Copyright (C) 2012 Red Hat Inc, Steven Rostedt <[email protected]> |
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* |
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*/ |
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#ifndef _KBUFFER_H |
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#define _KBUFFER_H |
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#ifndef TS_SHIFT |
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#define TS_SHIFT 27 |
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#endif |
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enum kbuffer_endian { |
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KBUFFER_ENDIAN_BIG, |
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KBUFFER_ENDIAN_LITTLE, |
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}; |
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enum kbuffer_long_size { |
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KBUFFER_LSIZE_4, |
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KBUFFER_LSIZE_8, |
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}; |
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enum { |
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KBUFFER_TYPE_PADDING = 29, |
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KBUFFER_TYPE_TIME_EXTEND = 30, |
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KBUFFER_TYPE_TIME_STAMP = 31, |
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}; |
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struct kbuffer; |
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struct kbuffer *kbuffer_alloc(enum kbuffer_long_size size, enum kbuffer_endian endian); |
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void kbuffer_free(struct kbuffer *kbuf); |
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int kbuffer_load_subbuffer(struct kbuffer *kbuf, void *subbuffer); |
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void *kbuffer_read_event(struct kbuffer *kbuf, unsigned long long *ts); |
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void *kbuffer_next_event(struct kbuffer *kbuf, unsigned long long *ts); |
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unsigned long long kbuffer_timestamp(struct kbuffer *kbuf); |
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unsigned long long kbuffer_subbuf_timestamp(struct kbuffer *kbuf, void *subbuf); |
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unsigned int kbuffer_ptr_delta(struct kbuffer *kbuf, void *ptr); |
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void *kbuffer_translate_data(int swap, void *data, unsigned int *size); |
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void *kbuffer_read_at_offset(struct kbuffer *kbuf, int offset, unsigned long long *ts); |
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int kbuffer_curr_index(struct kbuffer *kbuf); |
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int kbuffer_curr_offset(struct kbuffer *kbuf); |
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int kbuffer_curr_size(struct kbuffer *kbuf); |
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int kbuffer_event_size(struct kbuffer *kbuf); |
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int kbuffer_missed_events(struct kbuffer *kbuf); |
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int kbuffer_subbuffer_size(struct kbuffer *kbuf); |
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void kbuffer_set_old_format(struct kbuffer *kbuf); |
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int kbuffer_start_of_data(struct kbuffer *kbuf); |
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/* Debugging */ |
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struct kbuffer_raw_info { |
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int type; |
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int length; |
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unsigned long long delta; |
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void *next; |
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}; |
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/* Read raw data */ |
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struct kbuffer_raw_info *kbuffer_raw_get(struct kbuffer *kbuf, void *subbuf, |
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struct kbuffer_raw_info *info); |
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#endif /* _K_BUFFER_H */
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