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Subject: [FreeBSD-users-jp 65767] Re: microuptime() Q&A
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arc$B$G$9!#(B

$B!!(Bmicrouptime() $B$K$D$$$F(B
$B!!(BQ&A$B$d$=$N8uJd$K$b>e$,$C$F$$$J$$$h$&$G$9$N$G!"(B
$B!!0J2<(B Q&A $B7A<0$K$^$H$a$F$_$^$9!#(B


---
$B5!<o8GM-$NOC(B (machine)


Q. $B;d$N%^%7%s$,FMA3(B $B!V(B/kernel: microuptime() went backwards $B!A!W(B
$B!!$H$$$&%a%C%;!<%8$rBgNL$K=P$9$h$&$K$J$j$^$7$?!#2?$+$G$-$k;v$O(B
$B!!$J$$$G$7$g$&$+!)(B

A. $B$3$N>I>u$O%^%7%s0MB8$N$h$&$G!"860x$OFCDj$5$l$F$$$^$;$s$,(B
$B!!(BAPM$B4XO"$N@_Dj$K1F6A$5$l!"0lHLE*$K%+!<%M%k%3%s%U%#%.%e%l!<(B
$B!!%7%g%s%U%!%$%k$N(B apm0$B$r(B $BL58z$K$9$k$HH/@8$7$J$/$J$j$^$9!#(B


$B!&H/@8Js9p$N$"$k(BOS

$B!!(BFreeBSD4.0$B!A(B4.4-REL
$B!!(BFreeBSD4-STABLE (Nov 2001)
  FreeBSD 5.0-CURRENT #0: Thu Oct 26 12:33:07 JST 2000


$B!&<g$J>I>u(B

$B!!!!(Btar(1) $B%3%^%s%I$G05=L$5$l$?%U%!%$%k$rE83+$9$kEy!"$A$g$C$H$7$?(B
$B!!Ii2Y$,%H%j%,$K$J$j!"%+!<%M%k$,(B
$B!!(B/kernel: microuptime() went backwards (787.668624 -> 787.645798)
$B!!$H$$$&%a%C%;!<%8!J?t;z$NItJ,$OKh2s0[$J$k!K$rH/$9$k$h$&$K$J$k!#(B

$B!!!!$3$N>uBV$K0lEY$J$k$H!"Ii2Y$KBP$7Hs>o$KIR46$K$J$k!#(B
$B!!!!Nc!K(Btelnet$B$G#1%P%$%HAw<u?.$9$kDxEY$NA`:n$G$b!"F1MM$N%a%C%;!<(B
$B!!!!!!!!%8$,=P$k$h$&$K$J$k!#(B

$B!!!!$^$?!"(Bsyslogd(8) $B$,$3$N%a%C%;!<%8$r%3%s%=!<%k$H(B
$B!!(B/var/log/messages $B$X=PNO$9$k$?$a!"(B

$B!!!!!&A4BN$N%Q%U%)!<%^%s%9$,Dc2<$9$k!#(B
$B!!!!!!!&(BCPU$B;~4V$,>CHq$5$l$k!#(B
$B!!!!!!!&(B/var/log/messages $B$X$N%G%#%9%/%"%/%;%9$,BgNL$KH/@8$9$k!#(B
$B!!!!!&(B/var/log/ $B$N$"$k%9%i%$%9(B($B%Q!<%F%#%7%g%s(B)$B$,$"$U$l$k62$l$,$"$k!#(B
$B!!!!!&B>$N=EMW$J%a%C%;!<%8$r8+2a$4$962$l$,$"$k!#(B
$B!!!!!&%3%s%=!<%k$,$H$F$b;H$$?I$/$J$k!#(B


$B!&2sHr:v(B (workaround)

$B!!!&(Bsyslogd $B$r(B killall(1) $B%3%^%s%I$G;_$a$k$3$H$K$h$j!"%Q%U%)!<(B
$B!!!!%^%s%9$X$N1F6A$r7Z8:$9$k$3$H$,$G$-$^$9!#(B

$B!!!&0lHLE*$K%+!<%M%k%3%s%U%#%.%e%l!<%7%g%s%U%!%$%k$N(B apm0 $B$r(B
$B!!!!L58z!J%3%a%s%H%"%&%H!K$K$7!":F9=C[$7$?%+!<%M%k$r;HMQ$9$k(B
$B!!!!$3$H$GH/@8$7$J$/$J$k$h$&$G$9!#(B

$B!!!!"((B apm0 $B$O(BGENERIC$B%+!<%M%k$K$*$$$F$bM-8z$K$J$C$F$$$^$9(B

$B!!!&(BBIOS$B!"(B/etc/rc.conf$B!"%+!<%M%k%3%s%U%#%.%e%l!<%7%g%s%U%!%$%k(B
$B!!!!$NA4$F$K$*$$$F(BAPM$B$N@_Dj$,0U?^DL$j$+!":G6a@_Dj$rJQ99(B
$B!!!!$7$J$+$C$?$+3NG'$7$F$_$^$7$g$&!#(B



