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<H2><A NAME="s8">8. $B%+!<%M%k%G!<%b%s(B</A></H2>
<P><CODE>ps aux</CODE> $B%3%^%s%I$r<B9T$9$k$H!"0J2<$K<($9$h$&$J$b$N$,8=$l$k!#(B
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<PRE>
USER PID %CPU %MEM SIZE RSS TTY STAT START TIME COMMAND
root 1 0.1 8.0 1284 536 ? S 07:37 0:04 init [2]
root 2 0.0 0.0 0 0 ? SW 07:37 0:00 (kflushd)
root 3 0.0 0.0 0 0 ? SW 07:37 0:00 (kupdate)
root 4 0.0 0.0 0 0 ? SW 07:37 0:00 (kpiod)
root 5 0.0 0.0 0 0 ? SW 07:37 0:00 (kswapd)
root 52 0.0 10.7 1552 716 ? S 07:38 0:01 syslogd -m 0
root 54 0.0 7.1 1276 480 ? S 07:38 0:00 klogd
root 56 0.3 17.3 2232 1156 1 S 07:38 0:13 -bash
root 57 0.0 7.1 1272 480 2 S 07:38 0:01 /sbin/agetty 38400 tt
root 64 0.1 7.2 1272 484 S1 S 08:16 0:01 /sbin/agetty -L ttyS1
root 70 0.0 10.6 1472 708 1 R Sep 11 0:01 ps aux
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<P>$B>e5-$O%7%9%F%`>e$GF0$$$F$$$k%W%m%;%9$N%j%9%H$G$"$k!#$3$l$i$N>pJs$O!"A0>O$G@bL@(B
$B$7$?(B <CODE>/proc</CODE> $B%U%!%$%k%7%9%F%`$+$i<hF@$5$l$k!#(B<CODE>init</CODE> $B$N%W%m%;%9(B
ID $B$,(B 1 $B$G$"$k$3$H$KCm0U$7$F$[$7$$!#%W%m%;%9(B ID $B$N(B 2,3,4 $B$H(B 5 $B$O!"$=$l$>$l(B
<CODE>kflushd</CODE>, <CODE>kupdate</CODE>, <CODE>kpiod</CODE>, $B$=$7$F(B <CODE>kswapd</CODE>
$B$G$"$k!#$7$+$7$3$l$K$O4qL/$JE@$,$"$k!#2>A[%9%H%l!<%8%5%$%:(B(SIZE)$B$H%j%"%k%9%H(B
$B%l!<%8%5%$%:(B(RSS)$B$N9T$KCmL\$9$k$H!"$3$l$i$N%W%m%;%9$N%5%$%:$O%<%m$H$J$C$F$$$k!#(B
$B%W%m%;%9$,%a%b%j$r>CHq$7$J$$$3$H$,5/$3$j$&$k$@$m$&$+!)(B
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<P>$B$3$l$i$N%W%m%;%9$O!"%+!<%M%k%G!<%b%s$G$"$k!#%+!<%M%k$NBgItJ,$O%W%m%;%9(B
$B%j%9%H$K$O8=$l$J$$$N$G!"$=$l$i$,>CHq$9$k%a%b%j$NNL$r3d$j=P$9$K$O!"%7%9%F%`$N(B
$BAm%a%b%jNL$+$iMxMQ2DG=$J%a%b%jNL$r0z$$$F7W;;$9$k$7$+$J$$!#%+!<%M%k%G!<%b%s$O!"(B
<CODE>init</CODE> $B$N8e$G5/F0$5$l$k$?$a!"DL>o$N%W%m%;%9$HF1MM$K%W%m%;%9HV9f$r;}$D!#(B
$B$7$+$7!"$=$l$i$N%3!<%I$H%G!<%?$O!"%+!<%M%kMQ$N%a%b%jNN0h$KCV$+$l$k!#(B
<P>$B>e5-$NI=$G$O(B <CODE>COMMAND</CODE> $B$N9T$K4]%+%C%3$,$D$$$F$$$k%(%s%H%j$,$"$k$,!"(B
$B$3$l$O!"(B<CODE>/proc</CODE> $B%U%!%$%k%7%9%F%`$K!"$=$l$i$N%W%m%;%9$N%3%^%s%I%i%$%s(B
$B>pJs$,4^$^$l$F$$$J$$$+$i$G$"$k!#(B
<P>$B$G$O!"%+!<%M%k%G!<%b%s$O2?$N$?$a$K$"$k$N$+!)(B $B$o$?$7$O%+!<%M%k%G!<%b%s$K$D$$$F(B
$B$[$H$s$ICN$i$J$+$C$?$N$G!":#2s$N2~D{HG$r=P$9$^$G!"$=$NE@$K4X$7!"$3$NJ8=q$G$O(B
$BFI<T$+$i$N65$($r@A$&$F$$$?!#0J2<$NCGJRE*$J@bL@$O!"FI<T$+$i$NMM!9$JJVEz$r(B
$B$D$J$.9g$o$;$?$b$N$G$"$j!"5?Ld$KEz$($F$/$l$?$R$H$?$A$K$OHs>o$K46<U$7$F$$$k!#(B
$B$h$j>\$7$$<j$,$+$j$d;2>H@h!"$3$NJ8$ND{@5$J$I$b0z$-B3$-4?7^$7$F$$$k!#(B
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<P>$BF~NO$H=PNO$O!"%a%b%jFb$N(B <EM>buffers</EM> $B7PM3$G9T$o$l$k!#<B9TB.EY$r>e$2$k(B
$B$?$a$G$"$k!#%W%m%0%i%`$N=PNO$O0lC6%a%b%j$K!"$D$^$j%P%C%U%!$KC_$($i$l!"$=$N8e$G(B
$B$h$j0B2A$GBgMFNL$r<B8=$G$-$k%G%#%9%/$K=q$-9~$^$l$k!#(B<CODE>kflushd</CODE> $B$H(B
<CODE>kupdate</CODE> $B%G!<%b%s$O!"$3$N=hM}$rC4Ev$7$F$$$k!#(B<CODE>kupdate</CODE> $B$O!"(B
$BDj4|E*$K(B(5 $BIC$4$H$K!)(B)$B=q$-9~$^$l$?%P%C%U%!(B(dirty buffer)$B$,$J$$$+%A%'%C%/(B
$B$9$k!#$=$&$7$?%P%C%U%!$,$"$k>l9g!"(B<CODE>kflushd</CODE> $B$r8F$S=P$7$F!"$=$l$r(B
$B%G%#%9%/$K=q$-9~$^$;$k!#(B
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<P>$B%W%m%;%9$O!"2?$b$7$F$$$J$$>uBV$K$J$k$3$H$,$7$P$7$P$"$j!"<B9TCf$N%W%m%;%9$H(B
$B$$$($I$b$=$N%3!<%I$H%G!<%?A4It$r%a%b%jFb$KCV$/I,MW$,$"$k$o$1$G$O$J$$!#$9$J$o(B
$B$A$3$l$O!"<B9TCf$N%W%m%;%9$N;HMQ$5$l$F$$$J$$ItJ,$r!"%O!<%I%G%#%9%/$N%9%o%C%W(B
$B%Q!<%F%#%7%g%s$K0\$9$3$H$G!"%a%b%j$rM-8zMxMQ$G$-$k$3$H$r0UL#$9$k!#(B
$BI,MW$K1~$8$F$=$&$7$?%G!<%?$r%a%b%j$+$i=P$7F~$l$9$k=hM}$O!"(B<CODE>kpiod</CODE> $B$H(B
<CODE>kswapd</CODE> $B$K$h$C$F9T$o$l$k!#$[$\KhIC!"(B<CODE>kswapd</CODE> $B$,5/F0$7!"(B
$B%a%b%j$N>uBV$r%A%'%C%/$9$k!#$=$7$F!"%G%#%9%/$K=q$-=P$5$l$?>pJs$r%a%b%j$K(B
$BLa$9I,MW$,$"$C$?$j!"6u$-%a%b%j$NNL$,ITB-$7$F$$$?$j$9$k>l9g!"(B<CODE>kpiod</CODE>
$B$,8F$S=P$5$l$k!#(B
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<P>$B$^$?!"%+!<%M%k$K>JEENO5!G=$rAH$_9~$s$G$$$k>l9g$O!"%7%9%F%`>e$G(B <CODE>kapmd</CODE> $B%G!<%b%s$,Av$C$F$$$k$+$b$7$l$J$$!#(B
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<H2><A NAME="ss8.1">8.1 $B@_Dj(B</A>
</H2>
<P><CODE>update</CODE> $B%W%m%0%i%`$r;H$($P!"(B<CODE>kflushd</CODE> $B$H(B <CODE>kswapd</CODE> $B$r(B
$B@_Dj$9$k$3$H$,$G$-$k!#%3%^%s%I(B <CODE>update -h</CODE> $B$r;H$($P>\$7$$>pJs$,(B
$BI=<($5$l$k!#(B
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<P>$B%9%o%C%W6u4V$O!"(B<CODE>swapon</CODE> $B%3%^%s%I$GM-8z$K$J$j!"(B<CODE>swapoff</CODE>
$B%3%^%s%I$GL58z$K$J$k!#=i4|2=%9%/%j%W%H(B(<CODE>/etc/rc.sysinit</CODE> $B$b$7$/$O(B
<CODE>/etc/rc.d/rc.sysinit</CODE>)$B$O!"DL>o!"%7%9%F%`5/F0;~$K(B <CODE>swapon</CODE> $B$r(B
$B8F$S=P$9!#(B<CODE>swapoff</CODE> $B$O!"%i%C%W%H%C%W>e$G$N>CHqEENO@aLs$N$?$a$KM-8z$G(B
$B$"$k$=$&$@!#(B
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<H2><A NAME="ss8.2">8.2 $B1i=,(B</A>
</H2>
<P><CODE>update -d</CODE> $B$HBG$A!"I=<($5$l$?9T$N:G8e$K!V7;Do%P%C%U%!;&$7(B
$B$NogCM(B(threshold for buffer fratricide)$B!W$H=q$+$l$F$$$k$3$H$KCmL\$;$h!#(B
$BLLGr$=$&$J35G0$G$"$k!#D4$Y$F$_$h$&!*(B
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<P><CODE>/proc/sys/vm</CODE> $B%G%#%l%/%H%j$K9T$-!"$=$3$K$"$k%U%!%$%k$NFbMF$r(B <CODE>cat</CODE> $B$G=PNO$7!"=PNO7k2L$r8+$k$3$H!#(B
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<H2><A NAME="ss8.3">8.3 $B;29MJ88%Ey(B</A>
</H2>
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<P>Linux Documentation Project $B$N(B "The Linux Kernel"
( URL $B$K$D$$$F$O!"(B
<A HREF="From-PowerUp-To-Bash-Prompt-HOWTO-4.html#Kernel">$B$3$3(B</A>$B$r8+$k$3$H!#(B)
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<P>$BM&5$$"$kFI<T$O!"(BLinux $B%+!<%M%k$N%=!<%9%3!<%I$rFI$`$3$H!#(B
<CODE>kswapd</CODE> $B$N%3!<%I$O!"(B<CODE>linux/mm/vmscan.c</CODE> $B$K$"$j!"(B
<CODE>kflushd</CODE> $B$H(B <CODE>kupdate</CODE> $B$N%3!<%I$O(B <CODE>linux/fs/buffer.c</CODE>
$B$K$"$k!#(B
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<A HREF="From-PowerUp-To-Bash-Prompt-HOWTO-9.html">$B<!$N%Z!<%8(B</A>
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