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129 lines
3.4 KiB
Tcl
129 lines
3.4 KiB
Tcl
# $Id: util.tcl 985 2018-01-03 08:59:40Z mueller $
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#
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# Copyright 2011-2017 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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#
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# This program is free software; you may redistribute and/or modify it under
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# the terms of the GNU General Public License as published by the Free
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# Software Foundation, either version 3, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY
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# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# for complete details.
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#
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# Revision History:
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# Date Rev Version Comment
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# 2017-04-22 883 1.1.1 setup: now idempotent
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# 2015-02-07 642 1.1 add print()
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# 2011-04-17 376 1.0.1 add proc read
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# 2011-04-02 375 1.0 Initial version
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#
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package provide rbemon 1.0
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package require rutil
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package require rlink
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namespace eval rbemon {
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#
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# setup register descriptions for rbd_eyemon
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#
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regdsc CNTL {ena01 3} {ena10 2} {clr 1} {go 0}
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regdsc RDIV {rdiv 7 8}
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regdsc ADDR {addr 9 10 "-"} {laddr 9 8} {waddr 0}
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#
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# setup: amap definitions for rbd_eyemon
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#
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proc setup {{base 0xffd0}} {
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if {[rlc amap -testname em.cntl $base]} {return}
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rlc amap -insert em.cntl [expr {$base + 0x00}]
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rlc amap -insert em.rdiv [expr {$base + 0x01}]
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rlc amap -insert em.addr [expr {$base + 0x02}]
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rlc amap -insert em.data [expr {$base + 0x03}]
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}
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#
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# init: reset rbd_eyemon (stop monitor, clear rdiv and addr)
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#
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proc init {} {
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rlc exec \
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-wreg em.cntl 0x0000 \
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-wreg em.rdiv 0x0000
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}
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#
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# clear: clear eyemon data
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#
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proc clear {} {
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set clrbit [regbld rbemon::CNTL clr]
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rlc exec -rreg em.cntl cur_cntl
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rlc exec -wreg em.cntl [expr {$cur_cntl | $clrbit}]
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set clrrun $clrbit
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set npoll 0
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while {$clrrun != 0} {
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rlc exec -rreg em.cntl cur_cntl
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set clrrun [expr {$cur_cntl & $clrbit}]
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incr npoll 1
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if {$npoll > 10} {
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error "-E: rbemon::clear failed, CNTL.clr didn't go back to 0"
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}
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}
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return
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}
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#
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# start: start the eyemon
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#
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proc start {{ena01 0} {ena10 0}} {
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if {$ena01 == 0 && $ena10 == 0} {
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set ena01 1
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set ena10 1
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}
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rlc exec -wreg em.cntl [regbld rbemon::CNTL go \
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[list ena01 $ena01] [list ena10 $ena10] ]
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}
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#
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# stop: stop the eyemon
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#
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proc stop {} {
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rlc exec -wreg em.cntl 0x0000
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}
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#
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# read: read eyemon data
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#
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proc read {{nval 512}} {
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set addr 0
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set rval {}
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while {$nval > 0} {
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set nblk [expr {$nval << 1}]
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if {$nblk > 256} {set nblk 256}
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rlc exec \
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-wreg em.addr $addr \
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-rblk em.data $nblk rawdat
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foreach {dl dh} $rawdat {
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lappend rval [expr {( $dh << 16 ) | $dl}]
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}
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incr addr $nblk
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set nval [expr {$nval - ( $nblk >> 1 ) }]
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}
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return $rval
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}
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#
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# print: pretty print eyemon data
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#
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proc print {{nval 512}} {
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set edat [read $nval]
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set emax 0
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foreach {dat} $edat {
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if {$dat > $emax} {set emax $dat}
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}
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set lemax [expr {$emax > 0 ? log($emax) : 1.}]
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set rval " ind data"
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set i 0
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foreach {dat} $edat {
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append rval [format "\n%4d : %9d :" $i $dat]
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set nh [expr {$dat > 0 ? 60. * log($dat) / $lemax : 0 }]
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for {set j 1} {$j < $nh} {incr j} { append rval "=" }
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incr i
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}
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return $rval
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}
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}
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