void parse_set_info(int nr_cpus, int long_sz);
-void trace_report(int fd);
+ssize_t trace_report(int fd, bool repipe);
void *malloc_or_die(unsigned int size);
extern bool latency_format;
-int parse_header_page(char *buf, unsigned long size);
int trace_parse_common_type(void *data);
int trace_parse_common_pid(void *data);
int parse_common_pc(void *data);
unsigned long long eval_flag(const char *flag);
int read_tracing_data(int fd, struct perf_event_attr *pattrs, int nb_events);
+ssize_t read_tracing_data_size(int fd, struct perf_event_attr *pattrs,
+ int nb_events);
/* taken from kernel/trace/trace.h */
enum trace_flag_type {