sysinfo

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Version: 1997-08-25 (openSuse - 09/10/07)

Section: 2 (Appels système)

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sysinfo - ×ÏÚ×ÒÁÝÁÅÔ ÉÎÆÏÒÍÁÃÉÀ ÐÏ ÏÂÝÅÓÉÓÔÅÍÎÏÊ ÓÔÁÔÉÓÔÉËÅ

ïâúïò

#include <sys/sysinfo.h>

int sysinfo(struct sysinfo *info);

ïðéóáîéå

îÁÞÉÎÁÑ Ó Linux 2.3.16, sysinfo ÉÓÐÏÌØÚÕÅÔÓÑ ÄÌÑ ÐÏÌÕÞÅÎÉÑ ÉÎÆÏÒÍÁÃÉÉ × ÓÌÅÄÕÀÝÅÊ ÓÔÒÕËÔÕÒÅ: 

struct sysinfo {

        long uptime;             /* ÓÅËÕÎÄ Ó ÍÏÍÅÎÔÁ ÎÁÞÁÌØÎÏÊ ÚÁÇÒÕÚËÉ */

        unsigned long loads[3];  /* ÓÒÅÄÎÑÑ ÚÁÇÒÕÚËÁ ÓÉÓÔÅÍÙ ÚÁ 1, 5 É 15 ÍÉÎÕÔ */

        unsigned long totalram;  /* ÏÂÝÅÅ ËÏÌÉÞÅÓÔ×Ï ÏÐÅÒÁÔÉ×ÎÏÊ ÐÁÍÑÔÉ */

        unsigned long freeram;   /* ÏÂß£Í ÄÏÓÔÕÐÎÏÊ ÐÁÍÑÔÉ */

        unsigned long sharedram; /* ÏÂß£Í ÒÁÚÄÅÌÑÅÍÏÊ ÐÁÍÑÔÉ */

        unsigned long bufferram; /* ÐÁÍÑÔØ, ÉÓÐÏÌØÚÕÅÍÁÑ ÐÏÄ ÂÕÆÅÒÙ */

        unsigned long totalswap; /* ÏÂÝÉÊ ÏÂß£Í Ó×ÏÐÐÉÎÇÁ */

        unsigned long freeswap;  /* ÄÏÓÔÕÐÎÏ ÐÁÍÑÔÉ ÎÁ Ó×ÏÐÐÉÎÇÅ */

        unsigned short procs;    /* ËÏÌÉÞÅÓÔ×Ï ÔÅËÕÝÉÈ ÐÒÏÃÅÓÓÏ× */

        char _f[22];             /* ÏÓÔÁÔÏË ÓÔÒÕËÔÕÒÙ × 64 ÂÁÊÔÁ */

};

÷ÓÅ ÏÂߣÍÙ ÄÁÀÔÓÑ × ÂÁÊÔÁÈ. îÁÞÉÎÁÑ Ó Linux 2.3.23 (i386), 2.3.48 (×ÓÅ ÁÒÈÉÔÅËÔÕÒÙ) ÜÔÁ ÖÅ ÓÔÒÕËÔÕÒÁ ×ÙÇÌÑÄÉÔ ÔÁË


struct sysinfo {

        long uptime;             /* ÓÅËÕÎÄ Ó ÍÏÍÅÎÔÁ ÎÁÞÁÌØÎÏÊ ÚÁÇÒÕÚËÉ */

        unsigned long loads[3];  /* ÓÒÅÄÎÑÑ ÚÁÇÒÕÚËÁ ÓÉÓÔÅÍÙ ÚÁ 1, 5 É 15 ÍÉÎÕÔ */

        unsigned long totalram;  /* ÏÂÝÅÅ ËÏÌÉÞÅÓÔ×Ï ÏÐÅÒÁÔÉ×ÎÏÊ ÐÁÍÑÔÉ */

        unsigned long freeram;   /* ÏÂß£Í ÄÏÓÔÕÐÎÏÊ ÐÁÍÑÔÉ */

        unsigned long sharedram; /* ÏÂß£Í ÒÁÚÄÅÌÑÅÍÏÊ ÐÁÍÑÔÉ */

        unsigned long bufferram; /* ÐÁÍÑÔØ, ÉÓÐÏÌØÚÕÅÍÁÑ ÐÏÄ ÂÕÆÅÒÙ */

        unsigned long totalswap; /* ÏÂÝÉÊ ÏÂß£Í Ó×ÏÐÐÉÎÇÁ */

        unsigned long freeswap;  /* ÄÏÓÔÕÐÎÏ ÐÁÍÑÔÉ ÎÁ Ó×ÏÐÐÉÎÇÅ */

        unsigned short procs;    /* ËÏÌÉÞÅÓÔ×Ï ÔÅËÕÝÉÈ ÐÒÏÃÅÓÓÏ× */

        unsigned long totalhigh; /* ÏÂÝÉÊ ÏÂß£Í ÓÔÁÒÛÅÊ (high) ÐÁÍÑÔÉ */

        unsigned long freehigh;  /* ÄÏÓÔÕÐÎÙÊ ÏÂß£Í ÓÔÁÒÛÅÊ (high) ÐÁÍÑÔÉ */

        unsigned int mem_unit;   /* òÁÚÍÅÒ ÍÏÄÕÌÑ ÐÁÍÑÔÉ × ÂÁÊÔÁÈ */

        char _f[20-2*sizeof(long)-sizeof(int)]; /* ÏÓÔÁÔÏË ÄÌÑ libc5 */

};

É ×ÓÅ ÏÂߣÍÙ ÄÁÀÔÓÑ Ó ÒÁÚÍÅÒÎÏÓÔØÀ × mem_unit ÂÁÊÔ.

sysinfo ÐÒÅÄÏÓÔÁ×ÌÑÅÔ ÐÒÏÓÔÏÊ ÓÐÏÓÏ ÐÏÌÕÞÅÎÉÑ ÏÂÝÅÓÉÓÔÅÍÎÏÊ ÓÔÁÔÉÓÔÉËÉ. üÔÏÔ ÓÐÏÓÏ ÂÏÌÅÅ ÐÅÒÅÎÏÓÉÍ ÎÁ ÄÒÕÇÉÅ ÐÌÁÔÆÏÒÍÙ, ÞÅÍ ÞÔÅÎÉÅ /dev/kmem. ðÒÉÍÅÒ ÉÓÐÏÌØÚÏ×ÁÎÉÑ ÓÍÏÔÒÉÔÅ × intro(2).

÷ïú÷òáýáåíïå úîáþåîéå

÷ ÓÌÕÞÁÅ ÕÓÐÅÈÁ, ×ÏÚ×ÒÁÝÁÅÔÓÑ 0. ÷ ÓÌÕÞÁÅ ÏÛÉÂËÉ ×ÏÚ×ÒÁÝÁÅÔÓÑ -1 É ÚÎÁÞÅÎÉÅ errno ÕÓÔÁÎÁ×ÌÉ×ÁÅÔÓÑ ÓÏÏÔ×ÅÔÓÔ×ÕÀÝÉÍ ÏÂÒÁÚÏÍ.

ïûéâëé

EFAULT
ÕËÁÚÁÔÅÌØ ÎÁ struct sysinfo ÚÁÄÁÎ ÎÅÐÒÁ×ÉÌØÎÏ

óïïô÷åôóô÷éå óôáîäáòôáí

äÁÎÎÁÑ ÆÕÎËÃÉÑ Ñ×ÌÑÅÔÓÑ ÓÐÅÃÉÆÉÞÎÏÊ ÄÌÑ Linux É ÎÅ ÄÏÌÖÎÁ ÉÓÐÏÌØÚÏ×ÁÔØÓÑ × ÐÒÏÇÒÁÍÍÁÈ, ËÏÔÏÒÙÅ ÚÁÄÕÍÁÎÙ ËÁË ÐÅÒÅÎÏÓÉÍÙÅ ÎÁ ÄÒÕÇÉÅ ÐÌÁÔÆÏÒÍÙ.

óÉÓÔÅÍÎÙÊ ×ÙÚÏ× sysinfo ÐÏÑ×ÉÌÓÑ × ÑÄÒÁÈ Linux ÎÁÞÉÎÁÑ Ó ×ÅÒÓÉÉ 0.98.pl6. Linux libc ÓÏÄÅÒÖÉÔ ÐÏÄÐÒÏÇÒÁÍÍÕ sysinfo(), ÎÁÞÉÎÁÑ Ó ×ÅÒÓÉÉ 5.3.5, Á glibc Ó ×ÅÒÓÉÉ 1.90.

óíïôòé ôáëöå

proc(5)

ðåòå÷ïä

ðÅÒÅ×£Ì Ó ÁÎÇÌÉÊÓËÏÇÏ ÷ÉËÔÏÒ ÷ÉÓÌÏÂÏËÏ× <corochoone@perm.ru> 2004