Package: munin-node
Version: 1.4.5-3
Severity: minor


If you are running your cpus at maximum speed (like with governor performance 
in /etc/default/cpufrequtils) the calculation
fails. The plugin counts cpu cycles. It then calculates the difference to the 
last mesured cycles dividing by the 5 minutes (as munin is called every 5 
minutes).
thats fine BUT, the plugin is configured to have a maximum value which is the 
same as the maximum top frequency of your cpus.
If you are running your cpu at top speed the calculated value is hitting the 
max value, maybe just because the time calculation is not accurate. if the 
measurement contains 5 minutes and 2 seconds
but the calculation is based on 5 minutes, you have to many cpu cycles. munin 
does not show values beyond max_value. So you don't see anything in your graph.

it can easily be fixed by adding after line 95
 MAXHZ=$(echo $MAXHZ*1.1 | bc);
just adding extra 10% to max_value as a safety area.

Be aware that you have to add "bc" as a dependency. 


-- System Information:
Debian Release: 6.0
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32-5-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages munin-node depends on:
ii  adduser                 3.112+nmu2       add and remove users and groups
ii  gawk                    1:3.1.7.dfsg-5   GNU awk, a pattern scanning and pr
ii  libnet-server-perl      0.97-1           An extensible, general perl server
ii  lsb-base                3.2-23.2squeeze1 Linux Standard Base 3.2 init scrip
ii  munin-common            1.4.5-3          network-wide graphing framework (c
ii  perl                    5.10.1-17        Larry Wall's Practical Extraction 
ii  procps                  1:3.2.8-9        /proc file system utilities

Versions of packages munin-node recommends:
ii  libnet-snmp-perl              5.2.0-4    Script SNMP connections

Versions of packages munin-node suggests:
ii  acpi                    1.5-2            displays information on ACPI devic
ii  ethtool                 1:2.6.34-3       display or change Ethernet device 
ii  hdparm                  9.32-1           tune hard disk parameters for high
pn  libcache-cache-perl     <none>           (no description available)
pn  libcrypt-ssleay-perl    <none>           (no description available)
pn  libdbd-mysql-perl       <none>           (no description available)
ii  libdbd-pg-perl          2.17.1-2         Perl DBI driver for the PostgreSQL
pn  liblwp-useragent-determ <none>           (no description available)
pn  libnet-irc-perl         <none>           (no description available)
pn  libnet-ssleay-perl      <none>           (no description available)
pn  libtext-csv-xs-perl     <none>           (no description available)
ii  libwww-perl             5.836-1          Perl HTTP/WWW client/server librar
ii  libxml-simple-perl      2.18-3           Perl module for reading and writin
ii  lm-sensors              1:3.1.2-6        utilities to read temperature/volt
pn  logtail                 <none>           (no description available)
pn  munin                   <none>           (no description available)
pn  munin-java-plugins      <none>           (no description available)
pn  munin-plugins-extra     <none>           (no description available)
pn  mysql-client            <none>           (no description available)
ii  net-tools               1.60-23          The NET-3 networking toolkit
ii  python                  2.6.6-3+squeeze5 interactive high-level object-orie
pn  ruby                    <none>           (no description available)
pn  smartmontools           <none>           (no description available)

-- Configuration Files:
/etc/munin/munin-node.conf changed [not included]

-- no debconf information



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