>
>
>Merhabalar,
>
>Ping'i degistirip milisaniye yerine microsaniye hassasiyetinde
>degerler dondurmesini sagladim (tezim icin gerekli). Asagida ornek
>cikti var:
>
>-----------------------------------------------------------------
>64 bytes from 193.140.250.50: icmp_seq=4976 ttl=60 time=17619 us
>64 bytes from 193.140.250.50: icmp_seq=4977 ttl=60 time=37598 us
>64 bytes from 193.140.250.50: icmp_seq=4978 ttl=60 time=37901 us
>64 bytes from 193.140.250.50: icmp_seq=4979 ttl=60 time=67165 us
>64 bytes from 193.140.250.50: icmp_seq=4980 ttl=60 time=54299 us
>64 bytes from 193.140.250.50: icmp_seq=4981 ttl=60 time=96715 us
>64 bytes from 193.140.250.50: icmp_seq=4982 ttl=60 time=17397 us
>64 bytes from 193.140.250.50: icmp_seq=4983 ttl=60 time=17470 us
>64 bytes from 193.140.250.50: icmp_seq=4984 ttl=60 time=17197 us
>------------------------------------------------------------------
>
>Simdi olay micro saniye mertebesinde olunca eminim bu degerler
>sistemdeki CPU yukune bagli olarak degisiyordur. Ama bana
>4 microsaniye hassasiyet gerekli.
>
>$unu yapsam diyorum: Linux'taki gereksiz processleri oldurup
>sadece benim ping programini calistirsam? Ondan sonra
>bir kalibrasyon yapsam. Peki kesin calismak zorunda olan process'ler
>var mi? Gocmesin sonra makine?
>
>Benim makinada calisan process listesi (ps aux) soyle (tipik zaten):
>
>---------------------------------------------------------------------------
-------
>USER PID %CPU %MEM SIZE RSS TTY STAT START TIME COMMAND
>bin 83 0.0 0.2 848 304 ? S Jan 12 0:00
/usr/sbin/rpc.portmap
>nobody 112 0.0 0.5 1108 648 ? S Jan 12 0:00 /usr/sbin/httpd
>nobody 113 0.0 0.5 1108 640 ? S Jan 12 0:00 /usr/sbin/httpd
>nobody 114 0.0 0.4 1084 556 ? S Jan 12 0:00 /usr/sbin/httpd
>nobody 115 0.0 0.4 1084 552 ? S Jan 12 0:00 /usr/sbin/httpd
>nobody 116 0.0 0.5 1108 648 ? S Jan 12 0:00 /usr/sbin/httpd
>nobody 7988 0.0 0.4 1084 576 ? S Jan 17 0:00 /usr/sbin/httpd
>nobody 12844 0.0 0.4 1084 560 ? S Jan 22 0:00 /usr/sbin/httpd
>root 1 0.0 0.2 848 340 ? S Jan 12 0:26 init [3]
>root 2 0.0 0.0 0 0 ? SW Jan 12 0:00 (kflushd)
>root 3 0.0 0.0 0 0 ? SW<Jan 12 0:00 (kswapd)
>root 4 0.0 0.0 0 0 ? SW Jan 12 0:00 (nfsiod)
>root 5 0.0 0.0 0 0 ? SW Jan 12 0:00 (nfsiod)
>root 6 0.0 0.0 0 0 ? SW Jan 12 0:00 (nfsiod)
>root 7 0.0 0.0 0 0 ? SW Jan 12 0:00 (nfsiod)
>root 13 0.0 0.1 824 252 ? S Jan 12 0:01 /sbin/update
>root 14 0.0 0.2 836 300 ? S Jan 12 0:00 /sbin/kerneld
>root 80 0.0 0.3 856 388 ? S Jan 12 0:13 /usr/sbin/syslogd
>root 81 0.0 0.4 1104 556 ? S Jan 12 0:01 /usr/sbin/klogd
>root 85 0.0 0.2 848 368 ? S Jan 12 0:00 /usr/sbin/inetd
>root 87 0.0 0.2 864 316 ? S Jan 12 0:00 /usr/sbin/lpd
>root 90 0.0 0.3 880 396 ? S Jan 12 0:00
/usr/sbin/rpc.mountd
>root 92 0.0 0.3 916 404 ? S Jan 12 0:00
/usr/sbin/rpc.nfsd
>root 94 0.0 0.2 844 324 ? S Jan 12 0:00
/usr/sbin/crond -l10
>root 100 0.0 0.5 1268 724 ? S Jan 12 0:00 sendmail:
>root 107 0.0 0.2 840 296 3 S Jan 12 0:00 /sbin/agetty
38400 tty3
>root 108 0.0 0.2 840 296 4 S Jan 12 0:00 /sbin/agetty
38400 tty4
>root 109 0.0 0.2 840 296 5 S Jan 12 0:00 /sbin/agetty
38400 tty5
>root 110 0.0 0.2 840 284 6 S Jan 12 0:00 /sbin/agetty
38400 tty6
>root 111 0.0 0.4 1084 552 ? S Jan 12 0:00 /usr/sbin/httpd
>root 2096 0.0 0.4 1172 616 1 S Jan 13 0:00 -bash
>---------------------------------------------------------------------------
---------
>
>Bunlarin bircogu oldurulebilir. Fakat bazilarindan supheliyim
>mesela: init [3], (kflushd), (kswapd), /sbin/update, /sbin/kerneld,
>/usr/sbin/syslogd, /usr/sbin/crond -l10 ... gibi.
>
>Aslinda bunlarin tam ne oldugunu bilmedigim supheliyim. Linux'ta olmazsa
>olmaz process'ler var midir? Varsa nelerdir?
>
>Umarim acik olmustur. Yardimci olursaniz sevinirim.
>
>
>Saygi&Sevgi.
>
>Pars Mutaf
>Izmir Yuksek Teknoloji Enstitusu
>
>
> Listeden cikmak icin:
> unsub linux
> mesajini listeci@bilkent.edu.tr'a gonderiniz.
> Lutfen Listeci icin MIME / HTML / Turkce Aksan kullanmayin.
> Liste arsivinin adresi: http://listweb.bilkent.edu.tr/
>
>VAAY BEA
heuheuhe
epeyi anliyorsun sundan
uehueheue
ben bilmiyorum ama öylesine yaziyim dedim bende izmirliyim
uehueheue
Listeden cikmak icin:
unsub linux
mesajini listeci@bilkent.edu.tr'a gonderiniz.
Lutfen Listeci icin MIME / HTML / Turkce Aksan kullanmayin.
Liste arsivinin adresi: http://listweb.bilkent.edu.tr/