test/interbench/interbench.h

   1 /* Interbench.h */
   2 #ifndef INTERBENCH_H
   3 #define INTERBENCH_H
   4
   5 extern void *hackbench_thread(void *t);
   6 extern void terminal_error(const char *name);
   7 extern inline void post_sem(sem_t *s);
   8 extern inline void wait_sem(sem_t *s);
   9 extern inline int trywait_sem(sem_t *s);
  10 extern inline ssize_t Read(int fd, void *buf, size_t count);
  11
  12 #define THREADS         13      /* The total number of different loads */
  13
  14 struct sems {
  15         sem_t ready;
  16         sem_t start;
  17         sem_t stop;
  18         sem_t complete;
  19         sem_t stopchild;
  20 };
  21
  22 struct tk_thread {
  23         struct sems sem;
  24         unsigned long sleep_interval;
  25         unsigned long slept_interval;
  26 };
  27
  28 struct data_table {
  29         unsigned long long total_latency;
  30         unsigned long long sum_latency_squared;
  31         unsigned long max_latency;
  32         unsigned long nr_samples;
  33         unsigned long deadlines_met;
  34         unsigned long missed_deadlines;
  35         unsigned long long missed_burns;
  36         unsigned long long achieved_burns;
  37 };
  38
  39 struct thread {
  40         void (*name)(struct thread *);
  41         char *label;
  42         int bench;              /* This thread is suitable for benchmarking */
  43         int rtbench;            /* Suitable for real time benchmarking */
  44         int load;               /* Suitable as a background load */
  45         int rtload;             /* Suitable as a background load for rt benches */
  46         int nodeadlines;        /* Deadlines_met are meaningless for this load */
  47         unsigned long decasecond_deadlines;     /* Expected deadlines / 10s */
  48         pthread_t pthread;
  49         pthread_t tk_pthread;
  50         struct sems sem;
  51         struct data_table benchmarks[THREADS + 1], *dt;
  52         struct tk_thread tkthread;
  53         long threadno;
  54 };
  55 extern struct thread hackthread;
  56 #endif