kernel/vserver/cvirt.c

   1 /*
   2  *  linux/kernel/vserver/cvirt.c
   3  *
   4  *  Virtual Server: Context Virtualization
   5  *
   6  *  Copyright (C) 2004  Herbert Pötzl
   7  *
   8  *  V0.01  broken out from limit.c
   9  *
  10  */
  11
  12 #include <linux/config.h>
  13 #include <linux/vserver/cvirt.h>
  14 #include <linux/vserver/context.h>
  15 #include <linux/vserver/switch.h>
  16 #include <linux/vinline.h>
  17
  18 #include <asm/errno.h>
  19 #include <asm/uaccess.h>
  20
  21
  22 void vx_vsi_uptime(struct timespec *uptime, struct timespec *idle)
  23 {
  24         struct vx_info *vxi = current->vx_info;
  25
  26         set_normalized_timespec(uptime,
  27                 uptime->tv_sec - vxi->cvirt.bias_tp.tv_sec,
  28                 uptime->tv_nsec - vxi->cvirt.bias_tp.tv_nsec);
  29         if (!idle)
  30                 return;
  31         set_normalized_timespec(idle,
  32                 idle->tv_sec - vxi->cvirt.bias_idle.tv_sec,
  33                 idle->tv_nsec - vxi->cvirt.bias_idle.tv_nsec);
  34         return;
  35 }
  36
  37 uint64_t vx_idle_jiffies()
  38 {
  39         return init_task.utime + init_task.stime;
  40 }
  41