RE: Pull an external [global] section into an .fio file?

[Carl Zwanzig <cpz@xxxxxxxxxx>]

Hi,

For the most part, I've stopped using job files and use a script to write/execute a fio command line. I do end up with hideously-long command lines (>1100 chars), but can stash all the parameters in the script or included file and easily iterate over certain ones.

I start with things like this:
set FioCmd { \
/var/tmp/fio --create_serialize=0 --time_based  --norandommap --ioengine=solarisaio --minimal \
--randrepeat=0 --fill_device=1 --iodepth=32 --group_reporting --ramp_time=0 --unlink=0 --overwrite=1 \
--size=${SIZE} --rw=${DIR} --bs=${BS} --ba=${BS}  --runtime=${RUNTIME} }

and 

set FioJobs { \
--name=file__0  --filename=/${MNT}/${PN}/${HN}/fiofile.0  --name=file__1 --filename=/${MNT}/${PN}/${HN}/fiofile.1 \
--name=file__2  --filename=/${MNT}/${PN}/${HN}/fiofile.2  --name=file__3 --filename=/${MNT}/${PN}/${HN}/fiofile.3 \
--name=file__4  --filename=/${MNT}/${PN}/${HN}/fiofile.4  --name=file__5 --filename=/${MNT}/${PN}/${HN}/fiofile.5 \
--name=file__6  --filename=/${MNT}/${PN}/${HN}/fiofile.6  --name=file__7 --filename=/${MNT}/${PN}/${HN}/fiofile.7 \
--name=file__8  --filename=/${MNT}/${PN}/${HN}/fiofile.8  --name=file__9 --filename=/${MNT}/${PN}/${HN}/fiofile.9 \
--name=file__10 --filename=/${MNT}/${PN}/${HN}/fiofile.10 --name=file__11 --filename=/${MNT}/${PN}/${HN}/fiofile.11 }

do variable substitution, bolt on a "--output", and exec the entire string:

set cmdstring [ concat \
    exec -- ssh "${uname}@${thisclient}" [subst ${FioCmd}] \
    [subst $OPTS]  \
    --output ${outDataDir}/${filetag}-${thisclient}.fio \
    [subst $FioJobs] & ]
}

There's a bit more magic involved to run multiple instances at once.

(This, of course, didn't actually answer the OP's question.)

z!

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