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[linux-2.6.git] / include / linux / vserver / cvirt.h
index 31c47a7..4a4bd17 100644 (file)
+/* _VX_CVIRT_H defined below */
+
+#if    defined(__KERNEL__) && defined(_VX_INFO_DEF_)
+
+#include <linux/utsname.h>
+#include <linux/rwsem.h>
+#include <linux/jiffies.h>
+#include <linux/time.h>
+#include <linux/sched.h>
+#include <linux/kernel_stat.h>
+#include <asm/atomic.h>
+
+/* context sub struct */
+
+struct _vx_cvirt {
+       int max_threads;                /* maximum allowed threads */
+       atomic_t nr_threads;            /* number of current threads */
+       atomic_t nr_running;            /* number of running threads */
+
+       atomic_t nr_onhold;             /* processes on hold */
+       uint32_t onhold_last;           /* jiffies when put on hold */
+
+       struct timespec bias_idle;
+       struct timespec bias_uptime;    /* context creation point */
+
+       struct new_utsname utsname;
+
+       spinlock_t load_lock;           /* lock for the load averages */
+       uint32_t load_last;             /* last time load was cacled */
+       uint32_t load[3];               /* load averages 1,5,15 */
+
+       struct cpu_usage_stat cpustat[NR_CPUS];
+};
+
+struct sock_acc {
+       atomic_t count;
+       atomic_t total;
+};
+
+struct _vx_cacct {
+       unsigned long total_forks;
+
+       struct sock_acc sock[5][3];
+};
+
+
+static inline long vx_sock_count(struct _vx_cacct *cacct, int type, int pos)
+{
+       return atomic_read(&cacct->sock[type][pos].count);
+}
+
+
+static inline long vx_sock_total(struct _vx_cacct *cacct, int type, int pos)
+{
+       return atomic_read(&cacct->sock[type][pos].total);
+}
+
+
+extern uint64_t vx_idle_jiffies(void);
+
+static inline void vx_info_init_cvirt(struct _vx_cvirt *cvirt)
+{
+       uint64_t idle_jiffies = vx_idle_jiffies();
+
+       do_posix_clock_monotonic_gettime(&cvirt->bias_uptime);
+       jiffies_to_timespec(idle_jiffies, &cvirt->bias_idle);
+       atomic_set(&cvirt->nr_threads, 0);
+       atomic_set(&cvirt->nr_running, 0);
+       atomic_set(&cvirt->nr_onhold, 0);
+
+       down_read(&uts_sem);
+       cvirt->utsname = system_utsname;
+       up_read(&uts_sem);
+
+       spin_lock_init(&cvirt->load_lock);
+       cvirt->load_last = jiffies;
+       cvirt->load[0] = 0;
+       cvirt->load[1] = 0;
+       cvirt->load[2] = 0;
+}
+
+static inline void vx_info_exit_cvirt(struct _vx_cvirt *cvirt)
+{
+#ifdef CONFIG_VSERVER_DEBUG
+       int value;
+
+       if ((value = atomic_read(&cvirt->nr_threads)))
+               printk("!!! cvirt: %p[nr_threads] = %d on exit.\n",
+                       cvirt, value);
+       if ((value = atomic_read(&cvirt->nr_running)))
+               printk("!!! cvirt: %p[nr_running] = %d on exit.\n",
+                       cvirt, value);
+#endif
+       return;
+}
+
+static inline void vx_info_init_cacct(struct _vx_cacct *cacct)
+{
+       int i,j;
+
+       for (i=0; i<5; i++) {
+               for (j=0; j<3; j++) {
+                       atomic_set(&cacct->sock[i][j].count, 0);
+                       atomic_set(&cacct->sock[i][j].total, 0);
+               }
+       }
+}
+
+static inline void vx_info_exit_cacct(struct _vx_cacct *cacct)
+{
+       return;
+}
+
+#define LOAD_INT(x) ((x) >> FSHIFT)
+#define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100)
+
+
+static inline int vx_info_proc_cvirt(struct _vx_cvirt *cvirt, char *buffer)
+{
+       int length = 0;
+       int a, b, c;
+
+       length += sprintf(buffer + length,
+               "BiasUptime:\t%lu.%02lu\n",
+                       (unsigned long)cvirt->bias_uptime.tv_sec,
+                       (cvirt->bias_uptime.tv_nsec / (NSEC_PER_SEC / 100)));
+       length += sprintf(buffer + length,
+               "SysName:\t%.*s\n"
+               "NodeName:\t%.*s\n"
+               "Release:\t%.*s\n"
+               "Version:\t%.*s\n"
+               "Machine:\t%.*s\n"
+               "DomainName:\t%.*s\n"
+               ,__NEW_UTS_LEN, cvirt->utsname.sysname
+               ,__NEW_UTS_LEN, cvirt->utsname.nodename
+               ,__NEW_UTS_LEN, cvirt->utsname.release
+               ,__NEW_UTS_LEN, cvirt->utsname.version
+               ,__NEW_UTS_LEN, cvirt->utsname.machine
+               ,__NEW_UTS_LEN, cvirt->utsname.domainname
+               );
+
+       a = cvirt->load[0] + (FIXED_1/200);
+       b = cvirt->load[1] + (FIXED_1/200);
+       c = cvirt->load[2] + (FIXED_1/200);
+       length += sprintf(buffer + length,
+               "nr_threads:\t%d\n"
+               "nr_running:\t%d\n"
+               "nr_onhold:\t%d\n"
+               "loadavg:\t%d.%02d %d.%02d %d.%02d\n"
+               ,atomic_read(&cvirt->nr_threads)
+               ,atomic_read(&cvirt->nr_running)
+               ,atomic_read(&cvirt->nr_onhold)
+               ,LOAD_INT(a), LOAD_FRAC(a)
+               ,LOAD_INT(b), LOAD_FRAC(b)
+               ,LOAD_INT(c), LOAD_FRAC(c)
+               );
+       return length;
+}
+
+static inline int vx_info_proc_cacct(struct _vx_cacct *cacct, char *buffer)
+{
+       int i,j, length = 0;
+       static char *type[] = { "UNSPEC", "UNIX", "INET", "INET6", "OTHER" };
+
+       for (i=0; i<5; i++) {
+               length += sprintf(buffer + length,
+                       "%s:", type[i]);
+               for (j=0; j<3; j++) {
+                       length += sprintf(buffer + length,
+                               "\t%12lu/%-12lu"
+                               ,vx_sock_count(cacct, i, j)
+                               ,vx_sock_total(cacct, i, j)
+                               );
+               }
+               buffer[length++] = '\n';
+       }
+       length += sprintf(buffer + length,
+               "forks:\t%lu\n", cacct->total_forks);
+       return length;
+}
+
+#else  /* _VX_INFO_DEF_ */
 #ifndef _VX_CVIRT_H
 #define _VX_CVIRT_H
 
+#include "switch.h"
+
+/*  cvirt vserver commands */
+
+
 #ifdef __KERNEL__
 
 struct timespec;
 
 void vx_vsi_uptime(struct timespec *, struct timespec *);
 
-
 struct vx_info;
 
 void vx_update_load(struct vx_info *);
 
+
 #endif /* __KERNEL__ */
-#else  /* _VX_CVIRT_H */
-#warning duplicate inclusion
+
 #endif /* _VX_CVIRT_H */
+#endif