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#ifndef _TRACE_CMD_H
#define _TRACE_CMD_H
#include <stdlib.h>
#include "parse-events.h"
extern int input_fd;
extern const char *input_file;
#ifndef PAGE_MASK
#define PAGE_MASK (page_size - 1)
#endif
#define TRACECMD_VERSION "0.5"
void parse_cmdlines(struct pevent *pevent, char *file, int size);
void parse_proc_kallsyms(struct pevent *pevent, char *file, unsigned int size);
void parse_ftrace_printk(char *file, unsigned int size);
int trace_load_plugins(struct pevent *pevent);
enum {
RINGBUF_TYPE_PADDING = 29,
RINGBUF_TYPE_TIME_EXTEND = 30,
RINGBUF_TYPE_TIME_STAMP = 31,
};
#ifndef TS_SHIFT
#define TS_SHIFT 27
#endif
struct record {
unsigned long long ts;
unsigned long long offset;
int record_size; /* size of binary record */
int size; /* size of data */
void *data;
};
static inline void free_record(struct record *record)
{
free(record);
}
struct tracecmd_input;
struct tracecmd_output;
struct tracecmd_recorder;
static inline int tracecmd_host_bigendian(void)
{
unsigned char str[] = { 0x1, 0x2, 0x3, 0x4 };
unsigned int *ptr;
ptr = (unsigned int *)str;
return *ptr == 0x01020304;
}
char *tracecmd_find_tracing_dir(void);
/* --- Opening and Reading the trace.dat file --- */
struct tracecmd_input *tracecmd_open(int fd);
int tracecmd_read_headers(struct tracecmd_input *handle);
int tracecmd_long_size(struct tracecmd_input *handle);
int tracecmd_page_size(struct tracecmd_input *handle);
int tracecmd_cpus(struct tracecmd_input *handle);
void tracecmd_print_events(struct tracecmd_input *handle);
int tracecmd_init_data(struct tracecmd_input *handle);
struct record *
tracecmd_peek_data(struct tracecmd_input *handle, int cpu);
struct record *
tracecmd_read_data(struct tracecmd_input *handle, int cpu);
struct record *
tracecmd_read_at(struct tracecmd_input *handle, unsigned long long offset,
int *cpu);
struct record *
tracecmd_translate_data(struct tracecmd_input *handle,
void *ptr, int size);
struct record *
tracecmd_read_cpu_first(struct tracecmd_input *handle, int cpu);
struct record *
tracecmd_read_cpu_last(struct tracecmd_input *handle, int cpu);
int tracecmd_set_cpu_to_timestamp(struct tracecmd_input *handle,
int cpu, unsigned long long ts);
int tracecmd_ftrace_overrides(struct tracecmd_input *handle);
struct pevent *tracecmd_get_pevent(struct tracecmd_input *handle);
/* hack for function graph work around */
extern __thread struct tracecmd_input *tracecmd_curr_thread_handle;
/* --- Creating and Writing the trace.dat file --- */
struct tracecmd_output *tracecmd_create_file_latency(const char *output_file, int cpus);
struct tracecmd_output *tracecmd_create_file(const char *output_file,
int cpus, char * const *cpu_data_files);
void tracecmd_output_close(struct tracecmd_output *handle);
/* --- Reading the Fly Recorder Trace --- */
void tracecmd_free_recorder(struct tracecmd_recorder *recorder);
struct tracecmd_recorder *tracecmd_create_recorder(const char *file, int cpu);
int tracecmd_start_recording(struct tracecmd_recorder *recorder, unsigned long sleep);
void tracecmd_stop_recording(struct tracecmd_recorder *recorder);
void tracecmd_stat_cpu(struct trace_seq *s, int cpu);
#endif /* _TRACE_CMD_H */
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