-/* _VX_SCHED_H defined below */
-
-#if defined(__KERNEL__) && defined(_VX_INFO_DEF_)
-
-#include <linux/spinlock.h>
-#include <linux/jiffies.h>
-#include <linux/cpumask.h>
-#include <asm/atomic.h>
-#include <asm/param.h>
-
-struct _vx_ticks {
- uint64_t user_ticks; /* token tick events */
- uint64_t sys_ticks; /* token tick events */
- uint64_t hold_ticks; /* token ticks paused */
- uint64_t unused[5]; /* cacheline ? */
-};
-
-/* context sub struct */
-
-struct _vx_sched {
- atomic_t tokens; /* number of CPU tokens */
- spinlock_t tokens_lock; /* lock for token bucket */
-
- int fill_rate; /* Fill rate: add X tokens... */
- int interval; /* Divisor: per Y jiffies */
- int tokens_min; /* Limit: minimum for unhold */
- int tokens_max; /* Limit: no more than N tokens */
- uint32_t jiffies; /* last time accounted */
-
- int priority_bias; /* bias offset for priority */
- cpumask_t cpus_allowed; /* cpu mask for context */
-
- struct _vx_ticks cpu[NR_CPUS];
-};
-
-static inline void vx_info_init_sched(struct _vx_sched *sched)
-{
- int i;
-
- /* scheduling; hard code starting values as constants */
- sched->fill_rate = 1;
- sched->interval = 4;
- sched->tokens_min = HZ >> 4;
- sched->tokens_max = HZ >> 1;
- sched->jiffies = jiffies;
- sched->tokens_lock = SPIN_LOCK_UNLOCKED;
-
- atomic_set(&sched->tokens, HZ >> 2);
- sched->cpus_allowed = CPU_MASK_ALL;
- sched->priority_bias = 0;
-
- for_each_cpu(i) {
- sched->cpu[i].user_ticks = 0;
- sched->cpu[i].sys_ticks = 0;
- sched->cpu[i].hold_ticks = 0;
- }
-}
-
-static inline void vx_info_exit_sched(struct _vx_sched *sched)
-{
- return;
-}
-
-static inline int vx_info_proc_sched(struct _vx_sched *sched, char *buffer)
-{
- int length = 0;
- int i;
-
- length += sprintf(buffer,
- "Token:\t\t%8d\n"
- "FillRate:\t%8d\n"
- "Interval:\t%8d\n"
- "TokensMin:\t%8d\n"
- "TokensMax:\t%8d\n"
- "PrioBias:\t%8d\n"
- ,atomic_read(&sched->tokens)
- ,sched->fill_rate
- ,sched->interval
- ,sched->tokens_min
- ,sched->tokens_max
- ,sched->priority_bias
- );
-
- for_each_online_cpu(i) {
- length += sprintf(buffer + length,
- "cpu %d: %lld %lld %lld\n"
- ,i
- ,(long long)sched->cpu[i].user_ticks
- ,(long long)sched->cpu[i].sys_ticks
- ,(long long)sched->cpu[i].hold_ticks
- );
- }
-
- return length;
-}
-
-
-#else /* _VX_INFO_DEF_ */