+++ /dev/null
-/*
- * vmstat_netbsd1.c
- */
-
-#include <net-snmp/net-snmp-config.h>
-
-/*
- * Ripped from /usr/scr/usr.bin/vmstat/vmstat.c (covering all bases)
- */
-#include <sys/param.h>
-#include <sys/time.h>
-#include <sys/proc.h>
-#include <sys/dkstat.h>
-#include <sys/buf.h>
-#include <sys/uio.h>
-#include <sys/namei.h>
-#include <sys/malloc.h>
-#include <sys/signal.h>
-#include <sys/fcntl.h>
-#include <sys/ioctl.h>
-#include <sys/sysctl.h>
-#include <sys/vmmeter.h>
-#include <sys/sched.h>
-
-#if defined(HAVE_UVM_UVM_PARAM_H) && defined(HAVE_UVM_UVM_EXTERN_H)
-#include <uvm/uvm_param.h>
-#include <uvm/uvm_extern.h>
-#elif defined(HAVE_VM_VM_PARAM_H) && defined(HAVE_VM_VM_EXTERN_H)
-#include <vm/vm_param.h>
-#include <vm/vm_extern.h>
-#else
-#error vmstat_netbsd1.c: Is this really a NetBSD system?
-#endif
-
-#include <time.h>
-#include <nlist.h>
-#include <kvm.h>
-#include <errno.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <ctype.h>
-#include <stdlib.h>
-#include <string.h>
-#include <paths.h>
-#include <limits.h>
-
-
-#include <net-snmp/net-snmp-includes.h>
-#include <net-snmp/agent/net-snmp-agent-includes.h>
-#include <net-snmp/agent/auto_nlist.h>
-
-#include "util_funcs.h"
-#include "vmstat.h"
-
-/*
- * CPU percentage
- */
-#define CPU_PRC 100
-#define CPTIME_SYMBOL "cp_time"
-#define BOOTTIME_SYMBOL "boottime"
-
-FindVarMethod var_extensible_vmstat;
-
-void
-init_vmstat_netbsd1(void)
-{
-
- struct variable2 extensible_vmstat_variables[] = {
- {MIBINDEX, ASN_INTEGER, RONLY, var_extensible_vmstat, 1,
- {MIBINDEX}},
- {ERRORNAME, ASN_OCTET_STR, RONLY, var_extensible_vmstat, 1,
- {ERRORNAME}},
- {SWAPIN, ASN_INTEGER, RONLY, var_extensible_vmstat, 1, {SWAPIN}},
- {SWAPOUT, ASN_INTEGER, RONLY, var_extensible_vmstat, 1, {SWAPOUT}},
- {IOSENT, ASN_INTEGER, RONLY, var_extensible_vmstat, 1, {IOSENT}},
- {IORECEIVE, ASN_INTEGER, RONLY, var_extensible_vmstat, 1,
- {IORECEIVE}},
- {SYSINTERRUPTS, ASN_INTEGER, RONLY, var_extensible_vmstat, 1,
- {SYSINTERRUPTS}},
- {SYSCONTEXT, ASN_INTEGER, RONLY, var_extensible_vmstat, 1,
- {SYSCONTEXT}},
- {CPUUSER, ASN_INTEGER, RONLY, var_extensible_vmstat, 1, {CPUUSER}},
- {CPUSYSTEM, ASN_INTEGER, RONLY, var_extensible_vmstat, 1,
- {CPUSYSTEM}},
- {CPUIDLE, ASN_INTEGER, RONLY, var_extensible_vmstat, 1, {CPUIDLE}},
- {CPURAWUSER, ASN_COUNTER, RONLY, var_extensible_vmstat, 1,
- {CPURAWUSER}},
- {CPURAWNICE, ASN_COUNTER, RONLY, var_extensible_vmstat, 1,
- {CPURAWNICE}},
- {CPURAWSYSTEM, ASN_COUNTER, RONLY, var_extensible_vmstat, 1,
- {CPURAWSYSTEM}},
- {CPURAWIDLE, ASN_COUNTER, RONLY, var_extensible_vmstat, 1,
- {CPURAWIDLE}},
- {CPURAWKERNEL, ASN_COUNTER, RONLY, var_extensible_vmstat, 1,
- {CPURAWKERNEL}},
- {CPURAWINTR, ASN_COUNTER, RONLY, var_extensible_vmstat, 1,
- {CPURAWINTR}},
-
- /*
- * Future use:
- */
- /*
- * {ERRORFLAG, ASN_INTEGER, RONLY, var_extensible_vmstat, 1, {ERRORFLAG }},
- * {ERRORMSG, ASN_OCTET_STR, RONLY, var_extensible_vmstat, 1, {ERRORMSG }}
- */
- };
-
- /*
- * Define the OID pointer to the top of the mib tree that we're
- * registering underneath
- */
- oid vmstat_variables_oid[] = { UCDAVIS_MIB, 11 };
-
- /*
- * register ourselves with the agent to handle our mib tree
- */
- REGISTER_MIB("ucd-snmp/vmstat", extensible_vmstat_variables, variable2,
- vmstat_variables_oid);
-
-}
-
-
-long
-getuptime(void)
-{
- static time_t now, boottime;
- time_t uptime;
-
- if (boottime == 0)
- auto_nlist(BOOTTIME_SYMBOL, (char *) &boottime, sizeof(boottime));
-
- time(&now);
- uptime = now - boottime;
-
- return (uptime);
-}
-
-unsigned char *
-var_extensible_vmstat(struct variable *vp,
- oid * name,
- size_t * length,
- int exact,
- size_t * var_len, WriteMethod ** write_method)
-{
-
- int loop;
-
- time_t time_new = getuptime();
- static time_t time_old;
- static time_t time_diff;
-
-#if defined(KERN_CP_TIME)
- static u_int64_t cpu_old[CPUSTATES];
- static u_int64_t cpu_new[CPUSTATES];
- static u_int64_t cpu_diff[CPUSTATES];
- static u_int64_t cpu_total;
-#elif defined(KERN_CPTIME)
- static long cpu_old[CPUSTATES];
- static long cpu_new[CPUSTATES];
- static long cpu_diff[CPUSTATES];
- static long cpu_total;
-#else
- static long cpu_old[CPUSTATES];
- static long cpu_new[CPUSTATES];
- static long cpu_diff[CPUSTATES];
- static long cpu_total;
-#endif
- long cpu_sum;
- double cpu_prc;
-
- static struct uvmexp mem_old, mem_new;
- int mem_mib[] = { CTL_VM, VM_UVMEXP };
- int mem_size = sizeof(struct uvmexp);
-
- static long long_ret;
- static char errmsg[300];
-
- long_ret = 0; /* set to 0 as default */
-
- if (header_generic(vp, name, length, exact, var_len, write_method))
- return (NULL);
-
- /*
- * Update structures (only if time has passed)
- */
- if (time_new != time_old) {
-#ifdef KERN_CP_TIME
- int mib[2] = { CTL_KERN, KERN_CP_TIME };
- int ssize = sizeof(cpu_new);
-
- if (sysctl(mib, 2, cpu_new, &ssize, NULL, 0) < 0)
- memset(cpu_new, 0, sizeof(cpu_new));
-#elif defined(KERN_CPTIME)
- int mib[2] = { CTL_KERN, KERN_CPTIME };
- int ssize = sizeof(cpu_new);
-
- if (sysctl(mib, 2, cpu_new, &ssize, NULL, 0) < 0)
- memset(cpu_new, 0, sizeof(cpu_new));
-#else
- /*
- * CPU usage
- */
- auto_nlist(CPTIME_SYMBOL, (char *) cpu_new, sizeof(cpu_new));
-#endif
-
- time_diff = time_new - time_old;
- time_old = time_new;
-
- cpu_total = 0;
-
- for (loop = 0; loop < CPUSTATES; loop++) {
- cpu_diff[loop] = cpu_new[loop] - cpu_old[loop];
- cpu_old[loop] = cpu_new[loop];
- cpu_total += cpu_diff[loop];
- }
-
- if (cpu_total == 0)
- cpu_total = 1;
-
- /*
- * Memory info
- */
- mem_old = mem_new;
- sysctl(mem_mib, 2, &mem_new, &mem_size, NULL, 0);
- }
-
- /*
- * Rate macro
- */
-#define rate(x) (((x)+ time_diff/2) / time_diff)
-
- /*
- * Page-to-kb macro
- */
-#define ptok(p) ((p) * (mem_new.pagesize >> 10))
-
- switch (vp->magic) {
- case MIBINDEX:
- long_ret = 1;
- return ((u_char *) (&long_ret));
- case ERRORNAME: /* dummy name */
- sprintf(errmsg, "systemStats");
- *var_len = strlen(errmsg);
- return ((u_char *) (errmsg));
- case SWAPIN:
- long_ret = ptok(mem_new.swapins - mem_old.swapins);
- long_ret = rate(long_ret);
- return ((u_char *) (&long_ret));
- case SWAPOUT:
- long_ret = ptok(mem_new.swapouts - mem_old.swapouts);
- long_ret = rate(long_ret);
- return ((u_char *) (&long_ret));
- case IOSENT:
-#if NO_DUMMY_VALUES
- return NULL;
-#endif
- long_ret = -1;
- return ((u_char *) (&long_ret));
- case IORECEIVE:
-#if NO_DUMMY_VALUES
- return NULL;
-#endif
- long_ret = -1;
- return ((u_char *) (&long_ret));
- case SYSINTERRUPTS:
- long_ret = rate(mem_new.intrs - mem_old.intrs);
- return ((u_char *) (&long_ret));
- case SYSCONTEXT:
- long_ret = rate(mem_new.swtch - mem_old.swtch);
- return ((u_char *) (&long_ret));
- case CPUUSER:
- cpu_sum = cpu_diff[CP_USER] + cpu_diff[CP_NICE];
- cpu_prc = (float) cpu_sum / (float) cpu_total;
- long_ret = cpu_prc * CPU_PRC;
- return ((u_char *) (&long_ret));
- case CPUSYSTEM:
- cpu_sum = cpu_diff[CP_SYS] + cpu_diff[CP_INTR];
- cpu_prc = (float) cpu_sum / (float) cpu_total;
- long_ret = cpu_prc * CPU_PRC;
- return ((u_char *) (&long_ret));
- case CPUIDLE:
- cpu_sum = cpu_diff[CP_IDLE];
- cpu_prc = (float) cpu_sum / (float) cpu_total;
- long_ret = cpu_prc * CPU_PRC;
- return ((u_char *) (&long_ret));
- case CPURAWUSER:
- long_ret = cpu_new[CP_USER];
- return ((u_char *) (&long_ret));
- case CPURAWNICE:
- long_ret = cpu_new[CP_NICE];
- return ((u_char *) (&long_ret));
- case CPURAWSYSTEM:
- long_ret = cpu_new[CP_SYS] + cpu_new[CP_INTR];
- return ((u_char *) (&long_ret));
- case CPURAWIDLE:
- long_ret = cpu_new[CP_IDLE];
- return ((u_char *) (&long_ret));
- case CPURAWKERNEL:
- long_ret = cpu_new[CP_SYS];
- return ((u_char *) (&long_ret));
- case CPURAWINTR:
- long_ret = cpu_new[CP_INTR];
- return ((u_char *) (&long_ret));
- /*
- * reserved for future use
- */
- /*
- * case ERRORFLAG:
- * return((u_char *) (&long_ret));
- * case ERRORMSG:
- * return((u_char *) (&long_ret));
- */
- }
- return NULL;
-}
projects / bcm963xx.git / blobdiff