From 7c6a1c65bbd3be688e581511f45818663efc1877 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Thu, 25 Jun 2009 17:05:54 +0200 Subject: perf_counter tools: Rework the file format Create a structured file format that includes the full perf_counter_attr and all its relevant counter IDs so that the reporting program has full information. Signed-off-by: Peter Zijlstra LKML-Reference: Signed-off-by: Ingo Molnar --- tools/perf/util/header.h | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 tools/perf/util/header.h (limited to 'tools/perf/util/header.h') diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h new file mode 100644 index 0000000..b5ef53a --- /dev/null +++ b/tools/perf/util/header.h @@ -0,0 +1,37 @@ +#ifndef _PERF_HEADER_H +#define _PERF_HEADER_H + +#include "../../../include/linux/perf_counter.h" +#include +#include "types.h" + +struct perf_header_attr { + struct perf_counter_attr attr; + int ids, size; + u64 *id; + off_t id_offset; +}; + +struct perf_header { + int frozen; + int attrs, size; + struct perf_header_attr **attr; + off_t attr_offset; + u64 data_offset; + u64 data_size; +}; + +struct perf_header *perf_header__read(int fd); +void perf_header__write(struct perf_header *self, int fd); + +void perf_header__add_attr(struct perf_header *self, + struct perf_header_attr *attr); + +struct perf_header_attr * +perf_header_attr__new(struct perf_counter_attr *attr); +void perf_header_attr__add_id(struct perf_header_attr *self, u64 id); + + +struct perf_header *perf_header__new(void); + +#endif /* _PERF_HEADER_H */ -- cgit v1.1