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<p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:black">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Arial","sans-serif";color:black">i store response time in a rrd. Sometimes there are NaN because of a timeout. Graphing the responsetime producing a break of the line. Instead of the break there should
be displayed the timeout value. I tried to solve this with the following configuration:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Arial","sans-serif";color:black">rrdtool graph /tmp/icmp.png \<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Arial","sans-serif";color:black">--title="ICMP Response Time" \<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Arial","sans-serif";color:black">--vertical-label="Seconds" \<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Arial","sans-serif";color:black">DEF:rtMills=/icmp.rrd:icmp:AVERAGE \<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:black">DEF:minRtMills=/icmp.rrd:icmp:MIN \<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Arial","sans-serif";color:black">DEF:maxRtMills=/icmp.rrd:icmp:MAX \<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Arial","sans-serif";color:black">CDEF:rt=rtMills,1000,/ \<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Arial","sans-serif";color:black">CDEF:minRt=minRtMills,1000,/ \<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Arial","sans-serif";color:black">CDEF:maxRt=maxRtMills,1000,/ \<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Arial","sans-serif";color:black">CDEF:unknownpos=rt,UN,INF,UNKN,IF,/ \<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Arial","sans-serif";color:black">CDEF:unknownneg=rt,UN,NEGINF,UNKN,IF,/ \<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Arial","sans-serif";color:black">AREA:unknownpos#0000ff \<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Arial","sans-serif";color:black">AREA:unknownneg#0000ff \<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Arial","sans-serif";color:black">LINE1:rt#0000ff:"Response Time" \<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Arial","sans-serif";color:black">GPRINT:rt:AVERAGE:" Avg \\: %8.2lf %s" \<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Arial","sans-serif";color:black">GPRINT:rt:MIN:"Min \\: %8.2lf %s" \<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Arial","sans-serif";color:black">GPRINT:rt:MAX:"Max \\: %8.2lf %s\\n"<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Arial","sans-serif";color:black">Result is an Error: “RPN Stack Underflow”. Do anyone know what’s wrong?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Arial","sans-serif";color:black;mso-fareast-language:DE">Sincerely,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Arial","sans-serif";color:black;mso-fareast-language:DE">Udo</span><span style="font-size:10.0pt;color:black;mso-fareast-language:DE"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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