linux_dsm_epyc7002/tools/perf/util/trace-event.h
Feng Tang 73994dc158 perf script: Replace "struct thread" with "struct addr_location" as a parameter for "process_event()"
Both perl and python script start processing events other than trace
points, and it's useful to pass the resolved symbol and the dso info to
the event handler in script for better analysis and statistics.

Struct thread is already a member of struct addr_location, using
addr_location will keep the thread info, while providing additional
symbol and dso info if exist, so that the script itself doesn't need to
bother to do the symbol resolving and dso searching work.

Tested-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Feng Tang <feng.tang@intel.com>
Acked-by: David Ahern <dsahern@gmail.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1344419875-21665-3-git-send-email-feng.tang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2012-08-08 12:46:40 -03:00

107 lines
3.1 KiB
C

#ifndef _PERF_UTIL_TRACE_EVENT_H
#define _PERF_UTIL_TRACE_EVENT_H
#include "parse-events.h"
#include "event-parse.h"
#include "session.h"
struct machine;
struct perf_sample;
union perf_event;
struct perf_tool;
extern int header_page_size_size;
extern int header_page_ts_size;
extern int header_page_data_offset;
extern bool latency_format;
extern struct pevent *perf_pevent;
enum {
RINGBUF_TYPE_PADDING = 29,
RINGBUF_TYPE_TIME_EXTEND = 30,
RINGBUF_TYPE_TIME_STAMP = 31,
};
#ifndef TS_SHIFT
#define TS_SHIFT 27
#endif
int bigendian(void);
struct pevent *read_trace_init(int file_bigendian, int host_bigendian);
void print_trace_event(struct pevent *pevent, int cpu, void *data, int size);
void event_format__print(struct event_format *event,
int cpu, void *data, int size);
void print_event(struct pevent *pevent, int cpu, void *data, int size,
unsigned long long nsecs, char *comm);
int parse_ftrace_file(struct pevent *pevent, char *buf, unsigned long size);
int parse_event_file(struct pevent *pevent,
char *buf, unsigned long size, char *sys);
struct pevent_record *trace_peek_data(struct pevent *pevent, int cpu);
unsigned long long
raw_field_value(struct event_format *event, const char *name, void *data);
void *raw_field_ptr(struct event_format *event, const char *name, void *data);
void parse_proc_kallsyms(struct pevent *pevent, char *file, unsigned int size);
void parse_ftrace_printk(struct pevent *pevent, char *file, unsigned int size);
ssize_t trace_report(int fd, struct pevent **pevent, bool repipe);
int trace_parse_common_type(struct pevent *pevent, void *data);
int trace_parse_common_pid(struct pevent *pevent, void *data);
struct event_format *trace_find_next_event(struct pevent *pevent,
struct event_format *event);
unsigned long long read_size(struct event_format *event, void *ptr, int size);
unsigned long long eval_flag(const char *flag);
struct pevent_record *trace_read_data(struct pevent *pevent, int cpu);
int read_tracing_data(int fd, struct list_head *pattrs);
struct tracing_data {
/* size is only valid if temp is 'true' */
ssize_t size;
bool temp;
char temp_file[50];
};
struct tracing_data *tracing_data_get(struct list_head *pattrs,
int fd, bool temp);
void tracing_data_put(struct tracing_data *tdata);
struct addr_location;
struct scripting_ops {
const char *name;
int (*start_script) (const char *script, int argc, const char **argv);
int (*stop_script) (void);
void (*process_event) (union perf_event *event,
struct perf_sample *sample,
struct perf_evsel *evsel,
struct machine *machine,
struct addr_location *al);
int (*generate_script) (struct pevent *pevent, const char *outfile);
};
int script_spec_register(const char *spec, struct scripting_ops *ops);
void setup_perl_scripting(void);
void setup_python_scripting(void);
struct scripting_context {
struct pevent *pevent;
void *event_data;
};
int common_pc(struct scripting_context *context);
int common_flags(struct scripting_context *context);
int common_lock_depth(struct scripting_context *context);
#endif /* _PERF_UTIL_TRACE_EVENT_H */