Save latency log only when needed (i.e. latency tests).
Otherwise in some condition (high IO tests) this may stress
fio too much and cause a crash or fio might just refuse
to run the job.
Signed-off-by: Karol Latecki <karol.latecki@intel.com>
Change-Id: I61993d05ba91e88e9b6580d8ee39f255e1b09076
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/5476
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Community-CI: Mellanox Build Bot
76a470e407