xsrrd2gnuplot

#!/bin/sh -e

rrd_dir="$1"
vmtype="$2"
filters="$3"
dat_dir="$4"

: ${rrd_dir:?"$
usage: $0 <rrd_dir> <vm_type> \"<filters>\" [dat_dir]
where:
- rrd_dir is the location where the rrd files will be read from
- vmtype is one of the following values:
  - dom0: returns only dom0 rrd data
  - guests: returns only non-dom0 rrd data
- filters is one or more of the following values:
  - cpu* : for all cpus
  - cpuX : for specific cpu X
  - memory*: for all memory-related data
  - vbd* : for all vbd-related data
  - vbd-hdX*: for a specific vbd X data
  - vbd-hdX-read*: for specific vbd X read data
  - vbd-hdX-write*: for specific vbd X write data
  - vif* : for all vif-related data
  - vif_X* : for specific vif X data
  - vif_X_rx: for specific vif X rx data
  - vif_X_tx: for specific vif X tx data
  You can also use the {} expansion, eg: \"vif_*_{rx,tx}\"
- dat_dir is the location where the .dat files will be read from"
}

: ${vmtype:="guests"}
: ${filters:="cpu* vif* vbd* memory*"}
: ${dat_dir:=$(mktemp -d)}

xsrrd2dat "${rrd_dir}" "${dat_dir}"
echo "dat_dir=${dat_dir}"
xsdat2gnuplot "${vmtype}" "${filters}" "${dat_dir}" .