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0d3a5c8859
Librarize the sample type and attr fetching from perf data file headers so that we can also use it from perf trace. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Mike Galbraith <efault@gmx.de> LKML-Reference: <1250448997-30715-1-git-send-email-fweisbec@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
41 lines
957 B
C
41 lines
957 B
C
#ifndef _PERF_HEADER_H
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#define _PERF_HEADER_H
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#include "../../../include/linux/perf_counter.h"
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#include <sys/types.h>
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#include "types.h"
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struct perf_header_attr {
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struct perf_counter_attr attr;
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int ids, size;
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u64 *id;
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off_t id_offset;
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};
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struct perf_header {
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int frozen;
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int attrs, size;
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struct perf_header_attr **attr;
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s64 attr_offset;
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u64 data_offset;
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u64 data_size;
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};
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struct perf_header *perf_header__read(int fd);
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void perf_header__write(struct perf_header *self, int fd);
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void perf_header__add_attr(struct perf_header *self,
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struct perf_header_attr *attr);
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struct perf_header_attr *
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perf_header_attr__new(struct perf_counter_attr *attr);
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void perf_header_attr__add_id(struct perf_header_attr *self, u64 id);
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u64 perf_header__sample_type(struct perf_header *header);
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struct perf_counter_attr *
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perf_header__find_attr(u64 id, struct perf_header *header);
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struct perf_header *perf_header__new(void);
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#endif /* _PERF_HEADER_H */
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