snmp-graph.properties:

report.speedcontrol.testMemory.name=Speed Control Test
report.speedcontrol.testMemory.columns=speedControlTotalMem
report.speedcontrol.testMemory.type=nodeSnmp
report.speedcontrol.testMemory.command=--title="Speed Control Test Memory by rkagin" \
 --vertical-label bytes \
 --unites-exponent 0 \
 DEF:scTotalReal={rrd1}:speedControlTotalMem:AVERAGE \
 CDEF:totalReal=scTotalReal,1024,* \
 LINE1:totalReal#FF0000:"Total Real Memory" \
 GPRINT:totalReal:AVERAGE:"Avg  \\: %8.1lf %s" \
 GPRINT:totalReal:MIN:"Min  \\: %8.1lf %s" \
 GPRINT:totalReal:MAX:"Max  \\: %8.1lf %s"

...

And in the report list:

reports=mib2.HCbits, mib2.bits, mib2.percentdiscards, mib2.percenterrors, \
mib2.discards, mib2.errors, mib2.packets, \
mib2.tcpopen, mib2.tcpcurrent, mib2.tcperrs, mib2.tcpsegs, \
mib2.traffic-inout, \
mib2.ups-charge, mib2.ups-time, \
mib2.ups-load, mib2.ups-power, mib2.ups-acvolt, mib2.ups-accurrent, \
mib2.ups-powerfactor, mib2.ups-freq, mib2.ups-battvolt, mib2.ups-battamp, \
mib2.ups-temp, \
mib2printer.lifeCount, mib2printer.powerOnCount, \
mib2.storage.usage, \
apc.load, apc.percent, apc.temp, apc.time, apc.vac, \
ascend.acalls, ascend.dcalls, \
asterisk.activechan, asterisk.actbrchan, \
checkpoint.pktsAccepted, checkpoint.pktsDropped, checkpoint.pktsLogged, checkpoint.pktsRejected, \
checkpoint.pktsEncrypted, checkpoint.pktsEncryptedErr, checkpoint.pktsOtherErr, checkpoint.connections, \
cisco.aironet.clientsassociated, cisco.altigaactsess, cisco.altigacpu, cisco.altigafanspeed, cisco.altigatemp, \
cisco.altigatput, cisco.altigavoltage, cisco.altiga3volt, cisco.altiga5volt, \
cisco.avgbusy5, cisco.bufferfails, cisco.buffhits, cisco.buffmiss, \
cisco.ccmcti, cisco.ccmgs, cisco.ccmgw, cisco.ccmmd, cisco.ccmphones, \
cisco.ccmps, cisco.ccmvm, \
cisco.cike-bits, cisco.cike-dn, cisco.cike-fail, cisco.cike-init, cisco.cike-pkts, \
cisco.cike-p2ex, cisco.cike-p2exinv, cisco.cike-p2exrej, cisco.cike-tunnels, \
cisco.dropsinout, cisco.freemem, \
cisco.firewall, cisco.memory, \
cisco.pkts, cisco.protoin, cisco.protoout, cisco.temp, \
cisco.4bb, cisco.80bb, cisco.256bb, cisco.1550bb, \
cisco.rttmon.jitter.rtt, cisco.rttmon.jitter.icpif, cisco.rttmon.jitter.mos, \
cisco.rttmon.jitter.avgj, cisco.rttmon.jitter.owavg, \
cisco.rttmon.jitter.owmax, cisco.rttmon.jitter.owmin, \
cisco.rttmon.jitter.owstddev, \
cisco.rttmon.jitter.maxjds, cisco.rttmon.jitter.maxjsd, \
cisco.rttmon.jitter.pktloss, \
adsl.attenuation, adsl.power, adsl.snr, \
colubris.users, \
empire.loadavg, empire.pageswaps, empire.syscalls, empire.sysinterrupts, empire.cpupct, empire.cpupctnowait, \
empire.pgmon.procs, empire.pgmon.threads, empire.pgmon.memory, empire.pgmon.mempct, empire.pgmon.pagefaults, \
extreme.currentTemp, \
foundry.actualTemp, foundry.cpuUtil1Min, foundry.dynMemUtil, \
hp.swbuffcorrupt, hp.swbufferfree, hp.swbufferinit, hp.swbuffermin, \
hp.swbuffermiss, hp.swbuffersize, hp.swfreemem, hp.switchcpu, hp.swmemalloc, hp.swtotalmem, \
hpux.cpu, hpux.memory, hpux.numFsMounted, hpux.numProcs, hpux.numUsers, hpux.swap, \
juniper.bufferPoolUtil, juniper.cpu, juniper.temp, \
mge.ambtemp, mge.ambhumid, mge.current, mge.level, mge.temp, mge.time, mge.voltage, \
microsoft.cpuPercentBusy, microsoft.hrDisk2, microsoft.hrDisk3, microsoft.hrDisk4, microsoft.memory, \
netapp.cpu, netapp.fspercent, netapp.fsfiles, \
netapp.servercall, netapp.cifsrw, netapp.nfsv2rw, netapp.nfsv3rw, \
netapp.fspercentkbyte, netapp.fskbyte, \
netapp.fspercentinode, netapp.fsinode, netapp.fsfile, \
netsnmp.context, \
netsnmp.disk, netsnmp.diskpercent, \
netsnmp.hrMemory, netsnmp.hrNumUsers, netsnmp.interrupts, \
netsnmp.hrSystemUptime, netsnmp.loadavg, netsnmp.swapinout, \
netBotz.air, netBotz.humid, netBotz.temp, \
nortel.kernelmem, nortel.kerneltasks, \
novell.cacheBuffers, novell.codeDataMemory, novell.diskSpaceSys, \
novell.diskSpaceVol2, novell.licensedConnections, novell.numberOfNLMsLoaded, novell.openFiles, \
sinf.availmem, sinf.mempool, sinf.paging, sinf.processes, sinf.sysmem, \
sinf.cpu0percent, sinf.cpu1percent, sinf.cpu2percent, sinf.cpu3percent, sinf.cputotalpercent, \
sinf.diskfreeC, sinf.diskfreeD, sinf.diskfreeE, sinf.diskfreetotal, \
sinf.exchange-is.vmfreeblks, sinf.exchange-is.users, \
sun.cpuTime, sun.diskxfer, sun.interrupts, sun.packets, sun.paging, sun.procs, \
sun.swap, sun.swapping, \
netsnmp.memStats, \
netsnmp.cpuUsage, \
netsnmp.cpuStats, \
speedcontrol.testMemory, \
netsnmp.diskio.bytes, netsnmp.diskio.ops, netsnmp.diskio.opsize, \
free.memory,jvm.thread.count,jvm.thread.daemon,jvm.thread.peak, jboss.http.tp, jboss.defaultDS, \
jboss.servletstatus.time, jboss.servletstatus.cnt, jboss.grp.tp, jboss.grp.time, jboss.grp.cnt, \
airport.numClients,iisTraffic,iisRequests,exchangeMessages,exchangeBytes, \
exchangeRecipPartitions,dnsThroughput,mssqlmemory,mssqlusage,mssqlhitratios,mssqllockwaittime, \
windowsCPU,livecommsusers,livecommsmessages,mailmarshal