gnuplot.txt

set term png transparent truecolor size 1920, 1080
set output "results.png"
set key outside
set key right top
set multiplot
set timefmt "%d-%m %H:%M:%S"
set format x "%H:%M:%S"
set grid

# CPU plot
set origin 0.0,0.5
set size 0.5,0.5
set datafile missing "-"
set key inside right top vertical Right noreverse noenhanced autotitles nobox
set style histogram
set style data histograms
set title "CPU usage"
set xlabel "time"
set ylabel "percent"
set xdata time
plot "stats.out" every ::3 using 1:4 title "system" with lines, \
"stats.out" every ::3 using 1:3 title "user" with lines, \
"stats.out" every ::3 using 1:5 title "idle" with lines, \
"stats_cached.out" every ::3 using (timecolumn(1) - 2069):4 title "system (cached)" with lines

results.png

stats.out

----system---- ----total-cpu-usage---- ------memory-usage----- --io/total- -dsk/total- sda- sdb- -net/total- ---system--
  date/time   |usr sys idl wai hiq siq| used  buff  cach  free| read  writ| read  writ|util:util| recv  send| int   csw 
26-06 10:26:00|  2   0  97   0   0   0|4729M 3300k  180M 10.9G|13.2  28.0 |1257k  308k|0.41:0.90|   0     0 | 902   763 
26-06 10:26:01| 15   1  74   9   0   0|4737M 3544k  182M 10.9G| 137     0 |2648k    0 |19.1:   0|  16k   16k|1192   947 
26-06 10:26:02| 51   4  32  14   0   0|4738M 4344k  185M 10.9G| 115     0 |3108k    0 |29.9:   0|  15k   16k|1771   949 
26-06 10:26:03| 96   4   0   0   0   0|4738M 4608k  185M 10.9G|7.00     0 | 264k    0 |2.10:   0|  16k   16k|2450   644 
26-06 10:26:04| 70   5   0  26   0   0|4741M 4996k  202M 10.9G| 309     0 |  18M    0 |21.5:50.9|  15k   16k|2371  1478 
26-06 10:26:05| 86   5   0   9   0   0|4742M 5004k  305M 10.8G|1211  2.00 | 103M   32k|0.10:46.2|  10k   13k|3464  3501 
26-06 10:26:06| 87   7   0   6   0   0|4742M 5004k  411M 10.7G|1417     0 | 106M    0 |   0:47.8|9789B   13k|3671  3670 
26-06 10:26:07| 92   5   0   2   0   1|4742M 5008k  516M 10.6G|1212     0 | 105M    0 |   0:24.9|  16k   15k|3529  2772 
26-06 10:26:08| 94   5   0   1   0   0|4743M 5016k  626M 10.5G|1168  4.00 | 109M   24k|0.10:13.0|  16k   16k|3540  2509 
26-06 10:26:09| 89   5   0   6   0   0|4743M 5020k  747M 10.3G|1492     0 | 121M    0 |   0:46.8|  16k   17k|3784  3758 
26-06 10:26:10| 67   5  11  18   0   0|4743M 5032k  805M 10.3G| 947  2.00 |  58M   16k|19.2:33.7|  16k   20k|2927  3449 
26-06 10:26:11| 47   3  49   0   0   0|4743M 5032k  806M 10.3G|   0     0 |   0     0 |   0:   0|  17k   25k|1626   612 

stats_cached.out

----system---- ----total-cpu-usage---- ------memory-usage----- --io/total- -dsk/total- sda- sdb- -net/total- ---system--
  date/time   |usr sys idl wai hiq siq| used  buff  cach  free| read  writ| read  writ|util:util| recv  send| int   csw 
26-06 11:00:30|  2   0  97   0   0   0|4717M  101M 1098M 9.93G|13.8  28.9 |1309k  318k|0.40:0.92|   0     0 | 896   767 
26-06 11:00:31| 23   3  74   0   0   0|4725M  101M 1098M 9.92G|   0     0 |   0     0 |   0:   0|  21k   19k|1121   607 
26-06 11:00:32| 48   4  48   0   0   0|4726M  101M 1098M 9.92G|   0     0 |   0     0 |   0:   0|9055B   14k|1601   721 
26-06 11:00:33| 96   4   0   0   0   0|4726M  101M 1098M 9.92G|   0     0 |   0     0 |   0:   0|9950B   14k|2496   735 
26-06 11:00:34| 96   4   0   0   0   0|4727M  101M 1098M 9.92G|   0     0 |   0     0 |   0:   0|9525B   15k|2545  1006 
26-06 11:00:35| 97   3   0   0   0   0|4727M  101M 1098M 9.92G|   0  5.00 |   0    36k|0.40:   0|  27k   21k|2463   771 
26-06 11:00:36| 96   4   0   0   0   0|4728M  101M 1098M 9.92G|   0     0 |   0     0 |   0:   0|  21k   20k|2410   687 
26-06 11:00:37| 96   4   0   0   0   0|4728M  101M 1098M 9.92G|   0     0 |   0     0 |   0:   0|  14k   15k|2366   660 
26-06 11:00:38| 67   4  29   0   0   0|4730M  101M 1098M 9.91G|   0  4.00 |   0    24k|0.10:   0|  21k   31k|1948   655 
26-06 11:00:39| 47   4  49   0   0   0|4730M  101M 1098M 9.91G|   0     0 |   0     0 |   0:   0|8143B   13k|1568   580