+--------------------------------------------------------------------------------+
+storage operations that took >50ms  'dtrace -s /usr/local/libexec/freenas-debug/slow_ops/zfslower.d 50000 60' @1522342067 +
+--------------------------------------------------------------------------------+
dtrace: failed to compile script /usr/local/libexec/freenas-debug/slow_ops/zfslower.d: line 33: index 0 is out of range for fbt::zfs_freebsd_read:entry args[ ]
debug finished in 0 seconds for storage operations that took >50ms  'dtrace -s /usr/local/libexec/freenas-debug/slow_ops/zfslower.d 50000 60'
command used:
/usr/local/bin/../libexec/freenas-debug/slow_ops.sh


