![Jiri Olsa](/assets/img/avatar_default.png)
Keep the recognized data file version within 'struct perf_header'. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1374083403-14591-8-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
160 lines
3.9 KiB
C
160 lines
3.9 KiB
C
#ifndef __PERF_HEADER_H
|
|
#define __PERF_HEADER_H
|
|
|
|
#include <linux/perf_event.h>
|
|
#include <sys/types.h>
|
|
#include <stdbool.h>
|
|
#include "types.h"
|
|
#include "event.h"
|
|
|
|
#include <linux/bitmap.h>
|
|
|
|
enum {
|
|
HEADER_RESERVED = 0, /* always cleared */
|
|
HEADER_FIRST_FEATURE = 1,
|
|
HEADER_TRACING_DATA = 1,
|
|
HEADER_BUILD_ID,
|
|
|
|
HEADER_HOSTNAME,
|
|
HEADER_OSRELEASE,
|
|
HEADER_VERSION,
|
|
HEADER_ARCH,
|
|
HEADER_NRCPUS,
|
|
HEADER_CPUDESC,
|
|
HEADER_CPUID,
|
|
HEADER_TOTAL_MEM,
|
|
HEADER_CMDLINE,
|
|
HEADER_EVENT_DESC,
|
|
HEADER_CPU_TOPOLOGY,
|
|
HEADER_NUMA_TOPOLOGY,
|
|
HEADER_BRANCH_STACK,
|
|
HEADER_PMU_MAPPINGS,
|
|
HEADER_GROUP_DESC,
|
|
HEADER_LAST_FEATURE,
|
|
HEADER_FEAT_BITS = 256,
|
|
};
|
|
|
|
enum perf_header_version {
|
|
PERF_HEADER_VERSION_1,
|
|
PERF_HEADER_VERSION_2,
|
|
};
|
|
|
|
struct perf_file_section {
|
|
u64 offset;
|
|
u64 size;
|
|
};
|
|
|
|
struct perf_file_header {
|
|
u64 magic;
|
|
u64 size;
|
|
u64 attr_size;
|
|
struct perf_file_section attrs;
|
|
struct perf_file_section data;
|
|
/* event_types is ignored */
|
|
struct perf_file_section event_types;
|
|
DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
|
|
};
|
|
|
|
struct perf_pipe_file_header {
|
|
u64 magic;
|
|
u64 size;
|
|
};
|
|
|
|
struct perf_header;
|
|
|
|
int perf_file_header__read(struct perf_file_header *header,
|
|
struct perf_header *ph, int fd);
|
|
|
|
struct perf_session_env {
|
|
char *hostname;
|
|
char *os_release;
|
|
char *version;
|
|
char *arch;
|
|
int nr_cpus_online;
|
|
int nr_cpus_avail;
|
|
char *cpu_desc;
|
|
char *cpuid;
|
|
unsigned long long total_mem;
|
|
|
|
int nr_cmdline;
|
|
char *cmdline;
|
|
int nr_sibling_cores;
|
|
char *sibling_cores;
|
|
int nr_sibling_threads;
|
|
char *sibling_threads;
|
|
int nr_numa_nodes;
|
|
char *numa_nodes;
|
|
int nr_pmu_mappings;
|
|
char *pmu_mappings;
|
|
int nr_groups;
|
|
};
|
|
|
|
struct perf_header {
|
|
enum perf_header_version version;
|
|
bool needs_swap;
|
|
u64 data_offset;
|
|
u64 data_size;
|
|
u64 feat_offset;
|
|
DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
|
|
struct perf_session_env env;
|
|
};
|
|
|
|
struct perf_evlist;
|
|
struct perf_session;
|
|
|
|
int perf_session__read_header(struct perf_session *session);
|
|
int perf_session__write_header(struct perf_session *session,
|
|
struct perf_evlist *evlist,
|
|
int fd, bool at_exit);
|
|
int perf_header__write_pipe(int fd);
|
|
|
|
void perf_header__set_feat(struct perf_header *header, int feat);
|
|
void perf_header__clear_feat(struct perf_header *header, int feat);
|
|
bool perf_header__has_feat(const struct perf_header *header, int feat);
|
|
|
|
int perf_header__set_cmdline(int argc, const char **argv);
|
|
|
|
int perf_header__process_sections(struct perf_header *header, int fd,
|
|
void *data,
|
|
int (*process)(struct perf_file_section *section,
|
|
struct perf_header *ph,
|
|
int feat, int fd, void *data));
|
|
|
|
int perf_header__fprintf_info(struct perf_session *s, FILE *fp, bool full);
|
|
|
|
int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
|
|
const char *name, bool is_kallsyms, bool is_vdso);
|
|
int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir);
|
|
|
|
int perf_event__synthesize_attr(struct perf_tool *tool,
|
|
struct perf_event_attr *attr, u32 ids, u64 *id,
|
|
perf_event__handler_t process);
|
|
int perf_event__synthesize_attrs(struct perf_tool *tool,
|
|
struct perf_session *session,
|
|
perf_event__handler_t process);
|
|
int perf_event__process_attr(struct perf_tool *tool, union perf_event *event,
|
|
struct perf_evlist **pevlist);
|
|
|
|
int perf_event__synthesize_tracing_data(struct perf_tool *tool,
|
|
int fd, struct perf_evlist *evlist,
|
|
perf_event__handler_t process);
|
|
int perf_event__process_tracing_data(struct perf_tool *tool,
|
|
union perf_event *event,
|
|
struct perf_session *session);
|
|
|
|
int perf_event__synthesize_build_id(struct perf_tool *tool,
|
|
struct dso *pos, u16 misc,
|
|
perf_event__handler_t process,
|
|
struct machine *machine);
|
|
int perf_event__process_build_id(struct perf_tool *tool,
|
|
union perf_event *event,
|
|
struct perf_session *session);
|
|
bool is_perf_magic(u64 magic);
|
|
|
|
/*
|
|
* arch specific callback
|
|
*/
|
|
int get_cpuid(char *buffer, size_t sz);
|
|
|
|
#endif /* __PERF_HEADER_H */
|