added instrumentation for disk access. Useful to benchmark disk cache performance

This commit is contained in:
Arvid Norberg
2009-05-23 03:03:52 +00:00
parent 0127edac14
commit e36ea4ba5d
4 changed files with 36 additions and 0 deletions

7
disk_access.gnuplot Normal file
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set term png size 1200,700
set output "disk_access.png"
set xrange [0:*]
set xlabel "time (ms)"
set ylabel "disk offset"
set key box
plot "disk_access.log" using 1:3 title "disk access locations" with steps