7290 ZFS test suite needs to control what utilities it can run
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>

*** 10,20 ****
  # source.  A copy of the CDDL is also available via the Internet at
  # http://www.illumos.org/license/CDDL.
  #
  
  #
! # Copyright (c) 2015 by Delphix. All rights reserved.
  #
  
  #
  # Description:
  # Trigger fio runs using the sequential_reads job file. The number of runs and
--- 10,20 ----
  # source.  A copy of the CDDL is also available via the Internet at
  # http://www.illumos.org/license/CDDL.
  #
  
  #
! # Copyright (c) 2015, 2016 by Delphix. All rights reserved.
  #
  
  #
  # Description:
  # Trigger fio runs using the sequential_reads job file. The number of runs and
*** 28,46 ****
  . $STF_SUITE/include/libtest.shlib
  . $STF_SUITE/tests/perf/perf.shlib
  
  function cleanup
  {
!         log_must $ZFS destroy $TESTFS
  }
  
  log_assert "Measure IO stats during sequential read load"
  log_onexit cleanup
  
  export TESTFS=$PERFPOOL/testfs
  recreate_perfpool
! log_must $ZFS create $PERF_FS_OPTS $TESTFS
  
  # Make sure the working set can be cached in the arc. Aim for 1/2 of arc.
  export TOTAL_SIZE=$(($(get_max_arc_size) / 2))
  
  # Variables for use by fio.
--- 28,46 ----
  . $STF_SUITE/include/libtest.shlib
  . $STF_SUITE/tests/perf/perf.shlib
  
  function cleanup
  {
!         log_must zfs destroy $TESTFS
  }
  
  log_assert "Measure IO stats during sequential read load"
  log_onexit cleanup
  
  export TESTFS=$PERFPOOL/testfs
  recreate_perfpool
! log_must zfs create $PERF_FS_OPTS $TESTFS
  
  # Make sure the working set can be cached in the arc. Aim for 1/2 of arc.
  export TOTAL_SIZE=$(($(get_max_arc_size) / 2))
  
  # Variables for use by fio.
*** 61,77 ****
  # Layout the files to be used by the read tests. Create as many files as the
  # largest number of threads. An fio run with fewer threads will use a subset
  # of the available files.
  export NUMJOBS=$(get_max $PERF_NTHREADS)
  export FILE_SIZE=$((TOTAL_SIZE / NUMJOBS))
! log_must $FIO $FIO_SCRIPTS/mkfiles.fio
  
  # Set up the scripts and output files that will log performance data.
  lun_list=$(pool_to_lun_list $PERFPOOL)
  log_note "Collecting backend IO stats with lun list $lun_list"
  export collect_scripts=("$PERF_SCRIPTS/io.d $PERFPOOL $lun_list 1" "io"
!     "$PERF_SCRIPTS/prefetch_io.d $PERFPOOL 1" "prefetch" "$VMSTAT 1" "vmstat"
!     "$MPSTAT 1" "mpstat" "$IOSTAT -xcnz 1" "iostat")
  
  log_note "Sequential cached reads with $PERF_RUNTYPE settings"
! do_fio_run sequential_reads.fio $FALSE $FALSE
  log_pass "Measure IO stats during sequential cached read load"
--- 61,77 ----
  # Layout the files to be used by the read tests. Create as many files as the
  # largest number of threads. An fio run with fewer threads will use a subset
  # of the available files.
  export NUMJOBS=$(get_max $PERF_NTHREADS)
  export FILE_SIZE=$((TOTAL_SIZE / NUMJOBS))
! log_must fio $FIO_SCRIPTS/mkfiles.fio
  
  # Set up the scripts and output files that will log performance data.
  lun_list=$(pool_to_lun_list $PERFPOOL)
  log_note "Collecting backend IO stats with lun list $lun_list"
  export collect_scripts=("$PERF_SCRIPTS/io.d $PERFPOOL $lun_list 1" "io"
!     "$PERF_SCRIPTS/prefetch_io.d $PERFPOOL 1" "prefetch" "vmstat 1" "vmstat"
!     "mpstat 1" "mpstat" "iostat -xcnz 1" "iostat")
  
  log_note "Sequential cached reads with $PERF_RUNTYPE settings"
! do_fio_run sequential_reads.fio false false
  log_pass "Measure IO stats during sequential cached read load"