X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=doc%2Frrd-beginners.pod;h=1c285157b70bbd84808c70e9506fd7e26fd4ab8a;hb=6d1c8e317b18e21448c6e7503d8ce98e7118c5ae;hp=f96b93bcc850399b8e50a381fc7c88a93109e48c;hpb=ed19941bddf2724849763169e7f3188dff654aaa;p=rrdtool.git diff --git a/doc/rrd-beginners.pod b/doc/rrd-beginners.pod index f96b93b..1c28515 100644 --- a/doc/rrd-beginners.pod +++ b/doc/rrd-beginners.pod @@ -58,7 +58,7 @@ data flow to update the RRDtool database. =back RRDtool is designed to store time series of data. With every data -update, an assosiated time stamp is stored. Time is always expressed +update, an associated time stamp is stored. Time is always expressed in seconds passed since epoch (01-01-1970). RRDtool can be installed on Unix as well as Windows. It comes with a command set to carry out various operations on RRD databases. This command set can be accessed @@ -292,26 +292,26 @@ generation is done using Perl scripts. These scripts are shown below: # calculate the average of the array my $tot_mem_ave = $tot_mem_sum/($count); # create the graph - RRDs::graph ("/images/mem_$count.png", \ - "--title= Memory Usage", \ - "--vertical-label=Memory Consumption (MB)", \ - "--start=$start_time", \ - "--end=$end_time", \ - "--color=BACK#CCCCCC", \ - "--color=CANVAS#CCFFFF", \ - "--color=SHADEB#9999CC", \ - "--height=125", \ - "--upper-limit=656", \ - "--lower-limit=0", \ - "--rigid", \ - "--base=1024", \ - "DEF:tot_mem=target.rrd:mem:AVERAGE", \ - "CDEF:tot_mem_cor=tot_mem,0,671744,LIMIT,UN,0,tot_mem,IF,1024,/",\ - "CDEF:machine_mem=tot_mem,656,+,tot_mem,-",\ - "COMMENT:Memory Consumption between $start_time",\ - "COMMENT: and $end_time ",\ - "HRULE:656#000000:Maximum Available Memory - 656 MB",\ - "AREA:machine_mem#CCFFFF:Memory Unused", \ + RRDs::graph ("/images/mem_$count.png", + "--title= Memory Usage", + "--vertical-label=Memory Consumption (MB)", + "--start=$start_time", + "--end=$end_time", + "--color=BACK#CCCCCC", + "--color=CANVAS#CCFFFF", + "--color=SHADEB#9999CC", + "--height=125", + "--upper-limit=656", + "--lower-limit=0", + "--rigid", + "--base=1024", + "DEF:tot_mem=target.rrd:mem:AVERAGE", + "CDEF:tot_mem_cor=tot_mem,0,671744,LIMIT,UN,0,tot_mem,IF,1024,/", + "CDEF:machine_mem=tot_mem,656,+,tot_mem,-", + "COMMENT:Memory Consumption between $start_time", + "COMMENT: and $end_time ", + "HRULE:656#000000:Maximum Available Memory - 656 MB", + "AREA:machine_mem#CCFFFF:Memory Unused", "AREA:tot_mem_cor#6699CC:Total memory consumed in MB"); my $err=RRDs::error; if ($err) {print "problem generating the graph: $err\n";}