2eeaaa095d
To match the PERF_RECORD_HEADER_TRACING_DATA record type. This is the same info as the one used for pipe mode whereas the other one is for regular file output. This will help in the later patch to add meta-data infos in pipe mode. Signed-off-by: Stephane Eranian <eranian@google.com> Cc: David Ahern <dsahern@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1337081295-10303-4-git-send-email-eranian@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
139 lines
3.7 KiB
C
139 lines
3.7 KiB
C
#ifndef __PERF_HEADER_H
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#define __PERF_HEADER_H
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#include "../../../include/linux/perf_event.h"
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#include <sys/types.h>
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#include <stdbool.h>
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#include "types.h"
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#include "event.h"
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#include <linux/bitmap.h>
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enum {
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HEADER_RESERVED = 0, /* always cleared */
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HEADER_FIRST_FEATURE = 1,
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HEADER_TRACING_DATA = 1,
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HEADER_BUILD_ID,
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HEADER_HOSTNAME,
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HEADER_OSRELEASE,
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HEADER_VERSION,
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HEADER_ARCH,
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HEADER_NRCPUS,
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HEADER_CPUDESC,
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HEADER_CPUID,
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HEADER_TOTAL_MEM,
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HEADER_CMDLINE,
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HEADER_EVENT_DESC,
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HEADER_CPU_TOPOLOGY,
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HEADER_NUMA_TOPOLOGY,
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HEADER_BRANCH_STACK,
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HEADER_LAST_FEATURE,
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HEADER_FEAT_BITS = 256,
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};
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struct perf_file_section {
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u64 offset;
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u64 size;
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};
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struct perf_file_header {
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u64 magic;
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u64 size;
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u64 attr_size;
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struct perf_file_section attrs;
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struct perf_file_section data;
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struct perf_file_section event_types;
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DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
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};
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struct perf_pipe_file_header {
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u64 magic;
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u64 size;
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};
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struct perf_header;
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int perf_file_header__read(struct perf_file_header *header,
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struct perf_header *ph, int fd);
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struct perf_header {
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int frozen;
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bool needs_swap;
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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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u64 event_offset;
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u64 event_size;
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DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
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};
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struct perf_evlist;
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struct perf_session;
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int perf_session__read_header(struct perf_session *session, int fd);
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int perf_session__write_header(struct perf_session *session,
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struct perf_evlist *evlist,
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int fd, bool at_exit);
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int perf_header__write_pipe(int fd);
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int perf_header__push_event(u64 id, const char *name);
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char *perf_header__find_event(u64 id);
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void perf_header__set_feat(struct perf_header *header, int feat);
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void perf_header__clear_feat(struct perf_header *header, int feat);
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bool perf_header__has_feat(const struct perf_header *header, int feat);
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int perf_header__set_cmdline(int argc, const char **argv);
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int perf_header__process_sections(struct perf_header *header, int fd,
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void *data,
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int (*process)(struct perf_file_section *section,
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struct perf_header *ph,
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int feat, int fd, void *data));
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int perf_header__fprintf_info(struct perf_session *s, FILE *fp, bool full);
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int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
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const char *name, bool is_kallsyms);
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int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir);
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int perf_event__synthesize_attr(struct perf_tool *tool,
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struct perf_event_attr *attr, u16 ids, u64 *id,
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perf_event__handler_t process);
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int perf_event__synthesize_attrs(struct perf_tool *tool,
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struct perf_session *session,
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perf_event__handler_t process);
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int perf_event__process_attr(union perf_event *event, struct perf_evlist **pevlist);
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int perf_event__synthesize_event_type(struct perf_tool *tool,
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u64 event_id, char *name,
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perf_event__handler_t process,
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struct machine *machine);
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int perf_event__synthesize_event_types(struct perf_tool *tool,
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perf_event__handler_t process,
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struct machine *machine);
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int perf_event__process_event_type(struct perf_tool *tool,
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union perf_event *event);
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int perf_event__synthesize_tracing_data(struct perf_tool *tool,
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int fd, struct perf_evlist *evlist,
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perf_event__handler_t process);
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int perf_event__process_tracing_data(union perf_event *event,
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struct perf_session *session);
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int perf_event__synthesize_build_id(struct perf_tool *tool,
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struct dso *pos, u16 misc,
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perf_event__handler_t process,
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struct machine *machine);
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int perf_event__process_build_id(struct perf_tool *tool,
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union perf_event *event,
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struct perf_session *session);
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/*
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* arch specific callback
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*/
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int get_cpuid(char *buffer, size_t sz);
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#endif /* __PERF_HEADER_H */
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