interbench.h

/* Interbench.h */
#ifndef INTERBENCH_H
#define INTERBENCH_H

extern void *hackbench_thread(void *t);
extern void terminal_error(const char *name);
extern void post_sem(sem_t *s);
extern void wait_sem(sem_t *s);
extern int trywait_sem(sem_t *s);
extern ssize_t Read(int fd, void *buf, size_t count);

#define THREADS		13	/* The total number of different loads */

#define __maybe_unused          __attribute__((unused))

struct sems {
	sem_t ready;
	sem_t start;
	sem_t stop;
	sem_t complete;
	sem_t stopchild;
};

struct tk_thread {
	struct sems sem;
	unsigned long sleep_interval;
	unsigned long slept_interval;
};

struct data_table {
	unsigned long long total_latency;
	unsigned long long sum_latency_squared;
	unsigned long max_latency;
	unsigned long nr_samples;
	unsigned long deadlines_met;
	unsigned long missed_deadlines;
	unsigned long long missed_burns;
	unsigned long long achieved_burns;
};

struct thread {
	void (*name)(struct thread *);
	char *label;
	int bench;		/* This thread is suitable for benchmarking */
	int rtbench;		/* Suitable for real time benchmarking */
	int load;		/* Suitable as a background load */
	int rtload;		/* Suitable as a background load for rt benches */
	int nodeadlines;	/* Deadlines_met are meaningless for this load */
	unsigned long decasecond_deadlines;	/* Expected deadlines / 10s */
	pthread_t pthread;
	pthread_t tk_pthread;
	struct sems sem;
	struct data_table benchmarks[THREADS + 1], *dt;
	struct tk_thread tkthread;
	long threadno;
};
extern struct thread hackthread;
#endif